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Models: LIVS09HP115V1B LIVS12HP115V1B LIVS09HP230V1B LIVS12HP230V1B LIVS18HP230V1B LIVS24HP230V1B LIVS30HP230V1B LIVS36HP230V1B HIGH-WALL DUCTLESS AIR CONDITIONING & HEATING SYSTEM INSTALLATION MANUAL

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Page 1: HIGH-WALL DUCTLESS AIR CONDITIONING &HEATING SYSTEM … · 2020. 1. 13. · Heat pumps, air conditioners & heating equipment should be installed, started up, and serviced only by

Models: LIVS09HP115V1BLIVS12HP115V1BLIVS09HP230V1BLIVS12HP230V1B

LIVS18HP230V1BLIVS24HP230V1BLIVS30HP230V1BLIVS36HP230V1B

HIGH-WALL DUCTLESS AIR CONDITIONING &HEATING SYSTEM INSTALLATION MANUAL

Page 2: HIGH-WALL DUCTLESS AIR CONDITIONING &HEATING SYSTEM … · 2020. 1. 13. · Heat pumps, air conditioners & heating equipment should be installed, started up, and serviced only by

Table of Contents

Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Suggested Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Installation Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installation Site Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 -9

Indoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 -11

Outdoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-14

Piping Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-18

Power and Wiring Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 -21

Testing and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-24

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-26

Diagnostic Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-29

Care and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Thank you for choosing a Livo Heat Pump for your customer.Please read this installation manual carefully before installing and starting up the Livo System. Take a moment to fill out the product and installation form on the back cover. Retain both the manual and installation record for future reference.

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2

SAFETY PRECAUTIONS

Please read the following before operation.

Recognize safety information. This is the safety-alert symbol. When you see thissymbol on the unit and in instructions or manuals, be alert to the potential for personalinjury. Understand these signal words: DANGER, WARNING, and CAUTION. Thesewords are used with the safety-alert symbol.

DANGER identifies the most serious hazards which will result in severe personal in-jury or death.

WARNING signifies hazards which could result in personal injury or death.

CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage.

NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

This appliance is not intended for use by children without responsible adult supervision.Proper care should be taken to ensure safety.

Heat pumps, air conditioners & heating equipment should be installed, started up, andserviced only by qualified installers and service technicians. Air conditioning, heat pumpsand refrigeration systems are hazardous due to high voltage electrical components, high refrigerant pressures, and moving parts.

NOTE: Your actual air conditioning & heating system and related devices may differfrom the images shown in this manual.

WARNING

WARNING

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SAFETY PRECAUTIONS

• The unit should be installed and serviced only by trained, qualified installers and service technicians. Untrained personnel can perform basic maintenance functions such as cleaning coils. All other operations should be performed by trained service personnel.

• Owner should be cautioned that children should not play with the appliance.

ELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personal injury or death.• Before installing, servicing or modifying the system, the main electrical disconnect

switch must be in the OFF position. There may be more than one disconnect switch. Lock out and tag all switches with a warning label.

General Safety Precautions

• A dedicated power supply circuit should be used in accordance with local electrical safety regulations and National Electrical Codes (NEC).

• Ensure that the entire system is properly grounded.• Use a properly sized circuit breaker to protect equipment against short circuit and

overload conditions.• The system must be positioned at least 5 feet from combustible surfaces.• Observe all local codes and regulations.

Installation Site InstructionsA proper installation site is vital for correct and reliable operation of the system.

Avoid the following installation locations :• High heat sources, vapors, flammable gas or volatile liquids. • High-frequency electro-magnetic waves, generated by radio equipment, welders

or medical equipment.

3

WARNING

CAUTION

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4

NOMENCLATURE

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5

SYSTEM REQUIREMENTS

REFRIGERANT CHARGE

ELECTRICAL REQUIREMENTS

PIPE SIZE in (mm)

Notes: 1) System must be on a single dedicated circuit.2) Main power is supplied to the outdoor unit.3) Use table above to size over current protection.4) Follow all local building codes and NEC (National Electrical Code) regulations.

Interconnecting Cable: Recommended cable - 14/4 AWG stranded bare copper conductors THHN 600V unshielded wireNote: Use shield cable if installation is in close proximity of RF and EMI transmitting devices.Condensate Drain Size: 5/8-in OD 7/16-in ID

Unit Size Voltage Liquid Line Suction/Gas Line(BtuH)

9,000 115v - 1ph 60hz 1/4 (6)12,000 115v - 1ph 60hz 1/4 (6)9,000 208/230v - 1ph 60hz 1/4 (6)12,000 208/230v - 1ph 60hz 1/4 (6)18,000 208/230v - 1ph 60hz 1/4 (6)24,000 208/230v - 1ph 60hz 1/4 (6)30,000 208/230v - 1ph 60hz 1/4 (6)36,000 208/230v - 1ph 60hz 1/4 (6)

3/8 (9.5)3/8 (9.5)3/8 (9.5)3/8 (9.5)1/2 (12)5/8 (16)5/8 (16)5/8 (16)

Unit Size Voltage Min Line Max Line Max (BtuH) Length Length Elevation

9,000 115v - 1ph 60hz 10 (3) 49 (15)12,000 115v - 1ph 60hz 10 (3) 66 (20)9,000 208/230v - 1ph 60hz 10 (3) 49 (15)12,000 208/230v - 1ph 60hz 10 (3) 66 (20)18,000 208/230v - 1ph 60hz 10 (3) 82 (25)24,000 208/230v - 1ph 60hz 10 (3) 82 (25)30,000 208/230v - 1ph 60hz 10 (3) 98 (30)36,000 208/230v - 1ph 60hz 10 (3) 98 (30)

Unit Size Voltage Refrigerant Factory System Additional (BtuH) Type Charge oz (kg) Charge oz/ft (g/m)

9,000 115v - 1ph 60hz R410A12,000 115v - 1ph 60hz R410A9,000 208/230v - 1ph 60hz R410A12,000 208/230v - 1ph 60hz R410A18,000 208/230v - 1ph 60hz R410A24,000 208/230v - 1ph 60hz R410A30,000 208/230v - 1ph 60hz R410A36,000 208/230v - 1ph 60hz R410A

Unit Size Voltage Min Circuit Max Overcurrent Main Power(BtuH) Amps (MCA) Protection (MOP) Wire Size (AWG)*

9,000 115v - 1ph 60hz12,000 115v - 1ph 60hz9,000 208/230v - 1ph 60hz12,000 208/230v - 1ph 60hz18,000 208/230v - 1ph 60hz24,000 208/230v - 1ph 60hz30,000 208/230v - 1ph 60hz36,000 208/230v - 1ph 60hz

*Main power wire from electrical panel to outdoor unit.

REFRIGERANT LINE LENGTHS ft (m)

33 (10)33 (10)33 (10)33 (10)33 (10)33 (10)33 (10)33 (10)

25 (7.5)25 (7.5)25 (7.5)25 (7.5)25 (7.5)25 (7.5)25 (7.5)25 (7.5)

24.7 (0.7)31.8 (0.9)24.7 (0.7)30.0 (0.9)49.4 (1.4)65.3 (1.9)84.7 (2.4)91.7 (2.6)

0.2 (20)0.2 (20)0.2 (20)0.2 (20)0.2 (20)0.54 (50)0.54 (50)0.54 (50)

172099

16162024

2530151525253040

12/310/314/314/312/312/310/38/3

Pre-ChargeLine Length

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• Standard Wrench

• Adjustable/Crescent Wrench

• Torque Wrench

• Hex Keys or Allen Wrenches

• Drill & Drill Bits

• Hole Saw

• Pipe Cutter

• Screw drivers (Phillips & Flat blade)

• Manifold and Gauges

• Level

• R410A Flaring Tool

• Clamp on Amp Meter

• Vacuum Pump

• Safety Glasses

• Work Gloves

• Refrigerant Scale

• Micron Gauge

SUGGESTED TOOLS

6

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7

INSTALLATION SCHEMATIC

Indoor unit

Installation Components*1. Front Panel2. Aux. Button3. Air Filter4. Horizontal Louver5. Remote Controller6. Wired Programmable Controller

(sold separately)7. Inter-Connecting Wire

(sold separately)8. Drain Hose (sold separately)9. Refrigerant Lines (sold separately)

Outdoor unit

56

Air outlet

Air inlet

Air inlet

Air outlet

3

4

1

2

7

8

9

* Not all items in this schematic areincluded with equipment purchase

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8

INSTALLATION SITE INSTRUCTIONS

Indoor Unit

Select a site that allows for the following:

1. Ensure the installation complies with the installation minimum dimensions (defined below)and meets the minimum and maximum connecting piping length and maximum change in elevation as defined in the System Requirements section.

2. Air inlet and outlet will be clear of obstructions, ensuring proper airflow throughout the room.

3. Condensate can be easily and safely drained.

4. All connections can be easily made to outdoor unit.

5. Indoor unit is out of reach of children.

6. A mounting wall strong enough to withstand four times the full weight and vibration of the unit.

7. Filter can be easily accessed for cleaning.

8. Leave enough free space to allow access for routine maintenance.

9. Install at least 10 ft. (3 m) away from the antenna of TV set or radio. Operation of the air conditioner may interfere with radio or TV reception in areas where reception is weak. An amplifier may be required for the affected device.

10. Do not install in a laundry room or by a swimming pool due to the corrosive environment.

Minimum Indoor clearances

6 in(1500mm)

6 in

(1500mm)

6 ft (1.8m)

6 in (1500mm)

Ceiling

Floor

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9

Outdoor Unit Minimum Distances in (mm)

A 20 (500)B 12 (305)C 20 (500)D 24 (609)E 4 (101)

Air inlet

Air outlet

INSTALLATION SITE INSTRUCTIONS

Outdoor Unit

Select a site that allows for the following:

1. Outdoor location meets all minimum installation clearances defined below.

2. Sound from outdoor unit will not annoy neighbors.

3. All connections can be easily made to indoor unit.

4. Air inlet and outlet will be clear of obstructions to ensure proper airflow.

5. Wall or roof is strong enough to withstand the full weight and vibration of the outdoor unit (for wall or roof installation only).

6. Outdoor unit is out of reach of children and does not obstruct walkways.

7. Outdoor unit is not exposed to excessive dust or strong wind.

8. Condensate water can drain freely during heating

9. Maintenance and repairs can be easily performed on the outdoor unit.

10. Ensure the installation complies with the minimum and maximum connecting piping length and maximum change in elevation as defined in the System Requirements section.

Minimum Outdoor Clearances

A

B C D

E

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B

CA

12

5/6

10

B

A C

INDOOR UNIT INSTALLATION

Installation of Mounting Bracket1. Attach the mounting bracket to the indoor unit. 2. Find the horizontal center of the indoor unit. 3. Mark the center of the indoor unit on mounting bracket for future reference.

NOTE: The center of the mounting bracket is not the center of the indoor unit.

4. Remove the mounting brackets from the indoor unit and position the mounting bracket on the wall indesired location. Use centering mark on mounting bracket for centering the indoor unit on the wall.

5. Mounting bracket must be installed horizontally and level right to left.

NOTE: Condensate drain pan has built-in pitch for proper drainage.

6. Secure mounting bracket to wall with a minimum of five screws, evenly spaced to properly support indoor unit weight.

NOTE: It is recommended to install screw anchors for sheet rock, concrete block, brick and such type of walls.

10

Model A B CLIVS09HP115V1B 31.1 (790) 10.8 (275) 7.9 (200) LIVS12HP115V1B 33.3 (845) 11.4 (289) 8.3 (209) LIVS09HP230V1B 31.1 (790) 10.8 (275) 7.9 (200) LIVS12HP230V1B 33.3 (845) 11.4 (289) 8.3 (209) LIVS18HP230V1B 38.2 (970) 11.8 (300) 8.8 (224) LIVS24HP230V1B 42.4 (1078) 12.8 (325) 9.7 (246)

INDOOR UNIT DIMENSIONS in (mm)

Model A B CLIVS30HP230V1B 53.2 (1350) 12.8 (326) 10.0 (253) LIVS36HP230V1B 53.2 (1350) 12.8 (326) 10.0 (253)

INDOOR UNIT DIMENSIONS in (mm)

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4 7/8 21 5/16 7 1/16

3 1/44 15/16

1 3/8

Φ2 1/4 Φ2 1/4

1 3/8

3 9/165 7/8

2 1/8

6 5/8 18 1/4 6 1/4

Φ2 1/4 Φ2 1/4

2 1/8

3 1/262 1/8 2 1/8

6 5/8 18 3/16 6 5/16

Φ2 1/4 Φ2 1/4

3 5/165

5/16

Φ

2 1/4 2 1/4Φ Φ

4 5/8 21 5/16 7 1/4

3 5/165

8/3 18/3 1

16/3 7724

5 1/27 1/2

2/1 12/1 1

Φ2 3/4 Φ2 3/4

11 5/8 3 1/2

1 9

/16

13 7/8 1029 5/8

Φ2 3/4Φ2 3/4

3 1/86

1 5/8 1 5/8

16/5 7728/1 8

Φ2 3/4 Φ2 3/4

INDOOR UNIT INSTALLATION

Mounting Bracket Diagrams and Dimensions

9K 115V 12K 115V

9K 230V 12K 230V

18K 230V

30K and 36K 230V

24K 230V

11

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OUTDOOR UNIT INSTALLATION

Outdoor Unit Dimensions

21 1/4

11 1/4

30 10

12 5/833 3/8

21 1

/4

21 1

/4

12 5/8

10 1/8

30 5/8

28

11 1

/4

20

12

9K and 12K 230V

9K and 12K 115V

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OUTDOOR UNIT INSTALLATION

Outdoor Unit Dimensions

3513 3/16

27 9

/16

15 5/1638

14 5

/16

22

16 13/163

31

1/8

36 1/41

39 3/8

24

15

9/1

6

14 9/16

13

30K and 36K 230V

18K and 24K 230V

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OUTDOOR UNIT INSTALLATION

Ground Pad or Wall Hangers Installation1. Determine proper location for outdoor unit.2. Follow all instructions provided by manufacturer for installing wall hangers or ground pad.3. Verify the wall hangers or ground pad can safely support the weight of the outdoor unit.4. Verify the wall hangers or ground pad is level and meets all outdoor dimensional clearances.

Outdoor Unit Risers InstallationIf the outdoor unit requires added elevation above the ground, installing riser legs will providea sturdy and stable solution. Follow all instructions provided by manufacturer for installing riser legs to outdoor unit.

NOTE: Riser legs will also help absorb vibrations and noise while facilitating proper drainage.

NOTE: To meet Florida Wind Load criteria, the outdoor unit must be anchored to concrete padusing four 3/8-in diameter Power Wedge Bolt Plus (or equivalent) with 1-in diameter fender washers. Anchor bolts must be embedded into 3,000 PSI minimum concrete at a distance of 41/2-in from any concrete edge. The concrete thickness must exceed 1.5 times the anchor depth.

Condensate Drain Installation for Outdoor Unit

During normal heating and defrost operation, the outdoor unit will generate condensate water. The condensate water should be routed to a safe location through the drain hose.

1. Locate and select a drain hole on bottom of outdoor unit.

2. Install the outdoor drain fitting into hole onthe bottom of outdoor unit as shown.

3. Connect the drain hose to drain fitting.

4. Route drain hose to safe location for proper drainage of excess condensate water.

5. All non-used drain holes should be plugged.Drain Fitting Installation

14

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Carefully cut hole in the side of the front panel for piping to enter indoor unit as shown below. Find and mark the proper location for the wall hole. Use table below to determine recommended wall hole size for your unit size.

3. Cut the wall hole with a 5° to 10° downward slant to the outdoors.

4. Insert a wall sleeve into hole to prevent damage to refrigerant pipes, insulation, condensate drain hose and wiring.

5. Proper weather proofing of the wall surface and wall sleeve is essential to assure a trouble-free installation. Apply sealant, caulking or equivalent weather proofing material around the perimeter of the wall sleeve (interior & exterior) to eliminate outdoor air and water leaks into the living space.

15

PIPING INSTALLATION

Refrigerant Piping

NOTE: Expandable foam insulation may be added to fill large wall gaps. Apply per manufacturer's instructions.

Seal Hole

Hole Size

Indoor Outdoor

Wall Hole Sleeve

Wall Hole Diagram

Drill Hole in WallIf indoor unit refrigerant piping is going to exit from the rear:

1. It is recommended that the refrigerant pipe flare connectors extend through the wall to the outside. In some situations field-fabricated piping extensions will be required to extend the indoor unit refrigerant flare connections to the outside of the wall.

2. Use mounting bracket diagrams and dimensions to find and mark the proper location for the wall hole.

If refrigerant piping is going through the right or left side of front panel:

Unit Size Wall Hole Size (Diameter)(BtuH) in mm9,000 2 1/4 5512,000 2 1/4 5518,000 2 3/4 6624,000 2 3/4 6630,000 2 3/4 6636,000 2 3/4 66

Table of Wall Hole Size per Unit Size

Left Side

Cut PipingHole

Right Side

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16

PIPING INSTALLATION

Refrigerant Piping

NOTE: For maximum serviceability, it is recommended to have refrigerant piping and drain connections on the outside.

Piping Preparation1. Do not open service valves or remove protective caps on pipes until all connections are made.2. Keep tubing free of dirt, sand, moisture and contaminants.3. Insulate each refrigerant pipe and condensate hose with minimum 3/8” (10 mm) wall

thermal pipe insulation.4. Bind refrigerant pipes, the condensate hose and interconnecting cable together with

cable ties at 12-inch (25.4 mm) intervals.

Use refrigeration grade piping ONLY. Uses of other piping will void the Manufacturer’s Warranty.CAUTION

Oil Return Bend

When the outdoor unit is more than 30 feet (9m) above the indoor unit, an oil return bend must be added for every 20 feet (6m) of connection pipe.

Piping Connections to Indoor Unit

1. Feed refrigerant pipes, drain hose and interconnecting wires assembly through wall hole from outdoor to the indoor unit.

2. Adjust the length and carefully bend refrigerant pipes to meet indoor unit refrigerant pipe connections with proper tools to avoid kinks.

3. Apply a small amount of refrigerant oil to the flare connection on the refrigerant pipes.

Oil return bend

Indoor

Outdoor

20 ft.

Oil return bend

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17

PIPING INSTALLATION

Piping Connections to Outdoor Unit

1. Remove service valve cover (if provided) toaccess the service valves and refrigerant ports.

2. Carefully bend and adjust length of refrigerant pipes to meet outdoor unit service valves connections with proper tools to avoid kinks.

NOTE: Use proper techniques to cut and re-flare refrigerant pipes, if required. An R410A Flaring Tool is required for re-flaring refrigerant pipes.

3. Apply a small amount of refrigerant oil to the flare connection on the refrigerant pipe.

4. Properly align piping and tighten flare nut using a standard wrench and a torque wrench as shown in the indoor piping section.

5. Carefully tighten flare nuts to correct torque level referring to the Torque Table above.

4. Properly align piping and tighten flare nut using a standard wrench and a torque wrench as shown in figure below. Carefully tighten flare nuts to correct torque level referring to the Torque Table above.

NOTE: Over tightening may damage flare connections and cause leaks.

5. Individually insulate each refrigerant line to prevent sweating.

Insulate pipes

Pipe Diameter Nut Size Tightening Torque inch (mm) inch (mm) ft-lbs N-m

1/4 (6) 1/4 (17) 10 to 13 14 to 18 3/8 (9.5) 3/8 (22) 25 to 30 34 to 421/2 (12.7) 1/2 (25) 36 to 45 49 to 615/8 (16) 5/8 (29) 50 to 60 68 to 82

Torque Table

Indoor Unit Piping Taper Nut

Wrench Torque Wrench

Piping

Service Valve Cover

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How to Relocate Drain Hose from Left to Right Side (if required)

1. Locate drain plug on right side of the drain tray. Firmly grab it and remove from drain tray.

2. Locate drain tube on the left side of drain tray. Twist drain tube counter-clockwise and gently pull to remove from the drain tray.

3. Position drain tube on the right side over the drain fitting. Push drain tube onto fitting and rotate clockwise to lock. Verify drain tube is secure to prevent leaks.

4. Insert drain plug into left side of drain tray fitting. Verify plug is fully seated to prevent leaks.

18

Indoor Drain Piping

The Livo indoor wall unit uses a gravity drain system. There is no internal condensate pump. The drain hose must slope downward with no kinks, raises or fluctuations.

PIPING INSTALLATION

Drain hoseOutlet pipe

DrainRubber Plug

Right Left

1. Connect the field supplied drain hose to the outlet pipe of indoor wall unit. A field supplied transition or adapter may be required.

2. Apply pipe insulation to the entire drain line and joints to prevent sweating.

3. The through-wall hole for the drain hose must be lower than the indoor wall unit drain outlet for a functional gravity drain system.

4. Install field supplied drain hose with a downward slope from the Indoor wall unit drain outlet to the drain hose outlet.

5. Route the condensate drain hose in the safety location to dispose of the condensate water.

The drain hose cannot raise upward.

The drain hoseslopes downward.

The drain hose cannot raise upward.

Correct Incorrect Incorrect

Drain hose

Insulate drain hose

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POWER AND WIRING INSTALLATION

System Wiring Diagrams

19

Outdoor UnitIndoor Unit

9,000 and 12,000 BtuH(115V Models)

9,000 and 12,000 BtuH(230V Models)

18,000 and 24,000 BtuH(230V Models)

30,000 and 36,000 BtuH(230V Models)

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Outdoor UnitIndoor Unit

Wires

Red

White

Black

Green

POWER AND WIRING INSTALLATION

Indoor Unit Wire Connections

Disconnect all electrical power to indoor and outdoor units including disconnects, fuses and circuit breakers. Lockout and tag all disconnect switches.

1. Open front cover of indoor unit and remove field wiring terminal block cover.

2. Pull interconnecting wires up from back of indoor unit and position in close to the terminal block on indoor unit.

NOTE: Record wire colors and terminal references for uses with Outdoor Unit wire connections.

3. Connect wiring to indoor unit per system wiring diagram.

NOTE: The indoor unit is powered from the outdoor unit, depending on local code, a disconnect switch may need to be installed to a power supply circuit.

4. Replace field wiring cover and close front cover of indoor unit.

Indoor Disconnect Switch ( If required)Local codes may require a disconnect switch within sight of the indoor unit. Use a DFS Disconnect Switch Accessory Kit (Part No: DFS-SWITCH-A) to break wires going to the N(1), 2, 3, terminals on the indoor unit, as shown in the wiring diagram below:

20

WARNING

Indoor Unit Disconnect Switch

Wires

Outdoor Unit

RedWhite

Black

Green

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21

POWER AND WIRING INSTALLATION

Outdoor Unit Wire Connections

Disconnect all electrical power to unit including disconnects, fuses and circuit breakers. Lockout and tag all disconnect switches.

1. Remove the service panel on right side of the outdoor unit.

2. Insert interconnecting wires and main power wires through the wire holes on conduit mounting bracket.

3. Secure main power conduit (and inter-connecting wire conduit, if required) with locking nuts to conduit mounting bracket.

4. Open wire clamp/strain relief and adjust wire lengths for proper connections to the outdoor unit terminal block.

5. Following the same wire colors and terminal references from the indoor unit, tightly connect interconnecting wires to the outdoor unit terminal block per wiring diagram.

NOTE: Crossing interconnecting wires will cause system malfunction and possible damage.

6. Tightly connect main power wires to outdoor unit terminal block per system wiring diagram.

7. Secure all wires inside wire clamp/strain relief. Verify wires are secure, not loose and no external force on wires affects the connections at the terminals.

8. Replace service panel on right side of the outdoor unit.

9. Connect main power wires and conduit to unit disconnect switch box (field supplied) per manufacturer’s instructions, National Electrical Code (NEC) and local electrical codes.

Cable Cross Board

Wire Hole

WARNING

CAUTION• Electrical Disconnecting means must be provided and shall be located within sight and

readily accessible from the unit. • Failure to follow this caution may result in equipment damage or improper operation.• All wires running from the indoor to outdoor unit must comply with National Electrical

Code (NEC) and local codes. • All wires must be connected firmly to terminal block to avoid unit malfunction,

overheating and possible fire hazard.

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22

Vacuum Procedure

Important: Use a quality Micron Gauge to measure and validate the system vacuum achieved.Do not rely on the scale of a“bourbon tube”type gauge set to validate the depth and quality of the vacuum.

1. Remove the caps of the liquid valve, gas valve and service port.

2. Connect gauge manifold and micron gauge to the service ports provided at the liquid andsuction service valves.

3. Connect a vacuum pump to the manifold gauge.

4. Open the lower pressure side of the manifold valve assembly and start the vacuum pump.The switch at the high pressure side of the manifold valve assembly should be kept closed,or evacuation does not fail.

5. Operate vacuum pump until a vacuum of 500 microns or less is achieved. The evacuationduration depends on the vacuum pump size and unit’s capacity, generally 20 minutes for the9,000 BtuH units, to 1 hour for a larger 36,000 BtuH unit.

6. Close the manifold valves and shut off the pump.

a. If vacuum holds below 700 microns for 15 minutes, the system can be considered dry and leak free. Go to step 5.

b. If vacuum increases to 800 microns or greater, this is an indication of moisture in system or a leak exist. Identify leak and repair as necessary, after which repeat steps 4 and 5. If moisture is suspect, purge system use triple evacuation method using dry nitrogen.

TESTING AND INSPECTION

Leak Test

1. Connect regulated nitrogen to manifold. Attach hose to service port.2. Open manifold valve to add nitrogen to a pressure of 500 lbs.3. Maintain applied pressure for 30 minutes, leak-test flare fittings with soap bubbles. If no leak is

detected, release nitrogen.

CAUTIONUse vacuum pump, rather than refrigerant, to discharge air when installing the unit.

Refrigerant lines should be pressurized prior to evacuating system to check for leaks.

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23

TESTING AND INSPECTION

Pipe Testing

VAC valve

Vacuum pumpService port

Low pressure gaugeHigh pressure gauge

Gauge manifold kit

Pressure gauge (low-pressure)Pressure gauge (hi-pressure)

Gauge manifold

Connection pipe

Cap

Cap

Service pipe

Cap

Hose with the valve pinHose

Vacuum pump

Hose

Switch (hi-pressure)Switch (low-pressure)

Connection pipe (to indoor unit)

Liquid valve

Gas valve

Service port

Additional Charge

The outdoor unit contains enough refrigerant charge for up to 25 feet (7.5 m) from the factory. When the piping is greater than 25 feet (7.5 m), but not to exceed the maximum piping length as stated in the System Requirement section, additional refrigerant charge is necessary. For the additional amount, see the table below.

Unit Size Add’l Refrigerant Amount for Extra Pipe

9,000 -18,000 0.2 oz/ft (20 g/m)24,000 - 36,000 0.54 oz/ft (50 g/m)

Vacuum Procedure (con’t)

7. Confirm that manifold valves are closed and disconnect the vacuum pump.

8. Open the service valves to the fully ‘back-seat’ position to let the refrigerant flow to the indoor unit and balance the pressure in system.

Important: Do not allow air to enter the connection pipe when removing the hose.

9. Replace service valve caps and tighten.

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24

Start-up Checklist

□ Turn on main power to indoor and outdoor units.• Verify the system is not displaying an error code on the indoor unit display.

□ Add batteries and press the ON button on the remote controller.

• Verify the remote controller display turns ON and the indoor unit display is ON.□ Press the Mode button to Cooling.

Adjust the room setpoint to bring the system on in cooling mode. The system should start cooling mode within 3-5 minutes.

• Verify the outdoor fan and compressor are operating.• Verify the indoor fan is operating. • Verify the indoor discharge air is cooling the room.

□ Press the Mode button to Heating.

Adjust the room setpoint to bring the system on in cooling mode. The system should start heating mode within 3-5 minutes.

• Verify the outdoor fan and compressor are operating.• Verify the indoor fan is operating. • Verify the indoor discharge air is cooling the room.

□ Press the OFF button on the remote controller.• Verify remote controller display turns OFF and the system shuts OFF.

TESTING AND INSPECTION

Condensate Drain Pipe Testing

Carefully and slowly add 8-10 ounces of water to the indoor unit drain pan.

• Verify the water drains easily out the condensate drain hose.• If water does not drain easily from the drain hose, then remove kinks, increase

drain pitch, or add an auxiliary condensate drain pump.

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25

TROUBLESHOOTING

PROBLEM

System does not restart.

Indoor unit emits unpleasant odorwhen started

You hear a“water flowing”sound.

A thin fog or vapor coming out of the indoor unit when system isrunning.

You hear a slight cracking soundwhen the system stops or starts.

The system will not run.

Water leaking from the indoor unit into the room.

CAUSE/SOLUTION

Cause: The system has a built-in three-minute delay to prevent short and/or rapidcycling of the compressor.

Solution: Wait three minutes for the protection delay to expire.

Cause: Typically unpleasant odors are the result of mold or mildew forming on the coil surfaces or the air filter.

Solution: Wash indoor air filter in warm water with mild cleaner. If odors persist,contact a qualified service professional to clean the coil surfaces.

Cause: It is normal for the system to make“water flowing”or“gurgling”soundsfrom refrigerant pressures equalizing when the compressor starts and stops

Solution: The noises should discontinue as the refrigerant system equalizes aftertwo or three minutes.

Cause: It is normal for the system to emit a slight fog or water vapor when cooling extremely humid warm air.

Solution: The fog or water vapor will disappear as the system cools and dehumidifies the room space.

Cause: It is normal for the system to make “slight cracking” sounds from parts expanding and contracting during system starts and stops.

Solution: The noises will discontinue as temperature equalizes after 2 or 3 minutes.

Cause: There are a number of situations that will prevent the system from running.

Solution: Check for the following:• Circuit breaker is “tripped” or “turned off.”• Power button of remote is not turned on.• Batteries in the remote controller are low.• Remote controller is in sleep mode or timer mode.• Otherwise, contact a qualified service professional for assistance.

Cause: While it is normal for the system to generate condensate water in coolingmode, it is designed to drain this water via a condensate drain system to a safe loca-tion.

Solution: If water is leaking into the room, it may indicate one of the following.

• The indoor unit is not level right to left. Level indoor unit.

• The condensate drain pipe is restricted or plugged. All restrictions must be removed to allow continuous drainage by gravity.

• If problem persists, contact a qualified service professional for assistance.

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TROUBLESHOOTING

PROBLEM

Water leakage from the outdoor unit.

The unit is not heating or coolingadequately.

Wireless remote controller does not work.

The unit will not deliver air.

Moisture or condensation on the discharge air louvers or outlet vents.

CAUSE/SOLUTION

Cause: It is normal for the outdoor unit to generate condensate water in the reverse cycle heating and defrost mode.

Solution: This is normal. No action is required.

Cause: There are a number of reasons for inadequate cooling or heating.

Solution: Check the following:• Remove obstructions blocking airflow into the room.• Clean dirty or blocked air filter that is restricting airflow into the system.• Seal around door or windows to prevent air infiltration into the room.• Relocate or remove heat sources from the room.

Cause: There are a number of possible reasons

Solution: Check the following:

• The batteries might be low. Change the batteries.

• The remote controller must be within 25 ft. (7.5 m) with no obstructions of the indoor unit. If remote controller needs to be replaced, contact a qualified service professional for assistance. In the meantime, use the Aux button to operate the system.

Cause: There are a number of system functions that will prevent air flow.

Solution: Check for the following:

• In heating mode, the indoor fan may not start for three minutes if the room temperature is very low. This is to prevent blowing cold air.

• In heat mode, if the outdoor temperature is low and humidity is high, the system may need to defrost for up to 10 minutes before beginning a heating cycle.

• In dry mode, the indoor fan may stop for up to three minutes during the compressor off delay.

• Otherwise, you should contact a qualified service professional for assistance.

Cause: It is normal for the system to develop condensation or moisture on the discharge air louvers when cooling warm humid air for a long period of time.

Solution: The condensation or moisture will disappear as the system cools and dehumidifies the room space.

26

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DIAGNOSTIC CODES

27

System High Pressure

Indoor Anti-Freeze Protection

Refrigerant Leakage Protection

Compressor High Discharge Temperature Protection

Overcurrent Protection

Communication Malfunction

High TemperatureResistant Protection

EEPROM Memory Malfunction

System ConfigurationMalfunction

Pump Down or GatheringRefrigerant Status

1) Over charged with refrigerant.2) Blocked or dirty outdoor coil .3) Extreme outdoor ambient conditions

1) Low return airflow. 2) Indoor fan speed is too low.3) Indoor coil is blocked or dirty.

1) refrigerant leak(s).2) Indoor coil temperature sensor no calibrated.3) Refrigerant flow is restricted ( ex. valve, exv, debris)

Please refer to the malfunction analysis (discharge temperature, overload) in service manual.

1) Supply voltage is unstable.2) Supply voltage is too low and system load is too high.3) Indoor coil is blocked or dirty.

1) Communication cable is mis-wired between indoor and outdoor units.

2) Indoor or Outdoor control board malfunction.

1) Incorrect refrigerant charge level.2) Refrigerant metering device malfunction.3) Compressor malfunction.

Control board malfunction.

1) No jumper cap inserted on the control board.2) Incorrect or damaged jumper cap on control board.3) Indoor and outdoor units are not compatible.

Optional Service Mode

E1

E2

F0

E4

E5

E6

E8

EE

C5

Fo

Yellow

3 flashes and

1 sec Off

7 flashes and

1 sec Off

5 flashes and

1 sec Off

ContinuousOn

6 flashes and

1 sec Off

11 flashes and

1 sec Off

17 flashes and

1 sec Off

Red

9 flashes and

1 sec Off

TroubleshootingThe Livo System has onboard diagnostics. The outdoor unit will provide status indicators. The indoor wall unit and remote controller will display error codes. The following is a sum-mary of the codes with explanation:

Indoor Unit& RemoteDisplay

Outdoor Unit IndicatorsMalfunction Name Possible Causes

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Outdoor Unit IndicatorsMalfunction Name Possible Causes

28

DIAGNOSTIC CODES

Indoor Ambient Temperature Sensor Malfunction

Indoor Coil Temperature Sensor Malfunction

Outdoor Ambient Temperature Sensor Malfunction

Outdoor Coil Temperature Sensor Malfunction

Outdoor Discharge Temperature Sensor Malfunction

High DC Bus Voltage Protection

Low DC Bus Voltage Protection

Compressor Phase CurrentProtection

Capacitor Charging Malfunction

Module Temperature SensorMalfunction

Module Temperature Protection

Compressor Overload Protection

1) Loose or bad connection between sensor and control board.2) Indoor ambient temperature sensor damaged.3) Control board malfunction.

1) Loose or bad connection between sensor and control board.2) Indoor coil temperature sensor damaged.3) Control board malfunction.

1) Loose or bad connection between sensor and control board.2) Outdoor ambient temperature sensor damaged.3) Control board malfunction.

1) Loose or bad connection between sensor and control board.2) Outdoor coil temperature sensor damaged.3) Control board malfunction.

1) Loose or bad connection between sensor and control board.2) Discharge temperature sensor damaged.3) Control board malfunction.

1) Supply voltage on L1 and N is above 265Vac.2) Capacitor on control board malfunction.3) Outdoor control board malfunction.

1) Supply voltage on L1 and N is below 150Vac.2) Capacitor on control board malfunction.3) Outdoor control board malfunction.

1) IPM module malfunction.2) Outdoor control board malfunction3) Compressor malfunction.

Capacitor malfunction

Outdoor control board malfunction

1) Lack of thermal grease on IPM module.2) Heat sink (radiator) not tightly mounted.3) Control board malfunction.

1) Wiring terminal OVC-COMP is loose.2) Refer to the malfunction analysis in Service Manual.

F1

F2

F3

F4

F5

PH

PL

P5

PU

P7

P8

H3

Yellow

13 flashes and

1 sec Off

12 flashes and

1 sec Off

8 flashes and

1 sec Off

Red

6 flashes and

1 sec Off

5 flashes and

1 sec Off

7 flashes and

1 sec Off

Indoor Unit& RemoteDisplay

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Outdoor Unit IndicatorsMalfunction Name Possible Causes

DIAGNOSTIC CODES

IPM Module Protection

Indoor DC Fan Motor Malfunction

Compressor De-SynchronizedMalfunction

Power Factor Correction (PFC)Protection

Outdoor Fan MotorMalfunction

Incompatible Indoor and Outdoor Units

Start-UpMalfunction

Compressor Phase-CurrentDetection Malfunction

DC Bus Voltage Level DroppingMalfunction

Current DetectionMalfunction

Reversing ValveMalfunction

Zero Crossing DetectionMalfunction

Defrosting Status

1) IPM module over heating.2) Improper or Low voltage at the IPM module. 3) IPM module malfunction.

1) Loose connections between fan motor and control board2) Fan motor or blower wheel bearings malfunction.3) Control board malfunction.

1) Compressor voltage is not balance. 2) Control board malfunction3) Compressor malfunction

1) Mis-wiring of the reactor filter and PFC capacitor.2) Reactor filter or PFC capacitor malfunction.3) Control board malfunction.

1) Loose connections between fan motor and control board2) Fan motor malfunction.3) Control board malfunction.

Indoor and outdoor units are not compatible.

1) Over charged with refrigerant.2) Control board malfunction.3) Compressor malefaction.

Outdoor control board malfunction

Unstable supply voltage

Outdoor control board malfunction

1) Voltage to reversing valve is less than 175V.2) Loose connections between reversing valve and control board.3) Reversing valve solenoid malfunction.

Outdoor control board malfunction

H5

H6

H7

HC

L3

LP

LC

U1

U2

U3

U4

U9

note 1

Yellow

4 flashes and

1 sec Off

14 flashes and

1 sec Off

16 flashes and

1 sec Off

16 flashes and

1 sec Off

Red

14 flashes and

1 sec Off

Notes: 1) During defrosting process, the heating indicator is on for 10s and off for 0.5s.2) Refer to Service Manual for additional information.

29

Indoor Unit& RemoteDisplay

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Take notice of the following items before cleaning the Livo Indoor wall unit.• To avoid electric shock or injury, do not attempt to clean the unit unless it has been

turned off and disconnected from the main power supply.• Do not wash the unit with water; this may cause an electric shock.• During cleaning, be sure to use a stable standing platform.

Air Filter CleaningChanging your air filter on a regular basis prevents many problems. Dirty air filters will affect the performance and the longevity of your unit. It is recommended that air filters be cleaned every three (3) months.

To access and clean the filter:

CARE AND CLEANING

1. Open Front PanelFirmly grasp both sides of the front panel and pull upward to about 60 degree angle. (NOTE: do not force panel open).

2. Remove FilterRemove the filter as indicated in the figure at right.

3. Clean FilterUse vacuum to clean the filter. When the filter is very dirty, use warm water (below 110°F)to clean it, and then dry filter before replacing.

4. Reinstall FilterReinstall the filter and then close the panel cover tightly.

30

WARNING

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31Gree Electric Appliances, Inc É2019

Page 33: HIGH-WALL DUCTLESS AIR CONDITIONING &HEATING SYSTEM … · 2020. 1. 13. · Heat pumps, air conditioners & heating equipment should be installed, started up, and serviced only by

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Page 34: HIGH-WALL DUCTLESS AIR CONDITIONING &HEATING SYSTEM … · 2020. 1. 13. · Heat pumps, air conditioners & heating equipment should be installed, started up, and serviced only by

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33Gree Electric Appliances, Inc ©2019

Page 35: HIGH-WALL DUCTLESS AIR CONDITIONING &HEATING SYSTEM … · 2020. 1. 13. · Heat pumps, air conditioners & heating equipment should be installed, started up, and serviced only by

GREE ELECTRIC APPLIANCES, INC.

www.greecomfort.com

PRODUCT & INSTALLATION RECORD

For your convenience, please record the model and serial numbers of your new equipment in thespaces provided. This information, along with the installation data and dealer contact information, will be helpful should your system require maintenance or service.

UNIT INFORMATION

Outdoor Unit:

Model No.

Serial No.

Indoor Unit:

Model No.

Serial No.

INSTALLATION INFORMATION

Date Installed:

DEALERSHIP/INSTALLER INFORMATION

Company Name:

Address:

Phone Number:

Technician Name:

Gree Electric Appliances, Inc ©2019 Cat No: GREE_LIVO_B_INSTALL_070119