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INSTRUCTION-RETROFIT RTN GSVM
P/N 3048410_B
April 2018
RTN400CONTROLLER
RETROFIT
REPLACEMENT FOR SAFENET IIICONTROLLERS
GSVM4060GSVM4072GSVM5272GSVM4060D
1 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
3025276-Support Controller
3023552-Control Display KDE
3023553-Cable Controller 3023537-Control RTN400
0519002-Harness Electrical Box 3025272-Plastic Spacer 1900677-Hex Head 5/16” Screw
3023554-Sensor NTC Green 3031571-Sensor NTC Orange
GSVM4060/4072/52723047273-RTN Parameters Sheet
GSVM4060D3047384-RTN Parameters Sheet
INSTALLATION TOOL LIST• Phillips-head screw driver• Hex-head 5/16” screw driver• Wire cutters• Silicone sealant• Cable ties
PARTS REQUIRED FOR RETROFIT
2 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
The RTN400 is pre-programmed for thisapplication. However, we recommend verifying theprogram by confirming the correct set-point. Thesetpoint verification procedure is on pages 7 & 8.
1. Disconnect all power to the case !!!
2. Remove front grille and Safenet III display.
3. Insert the Controller Display into the new grille. Connect Cable Controller toControl Display.
Note: The Controller Display RTN400 will not fit in the existing grille. A new grille is provided with the retrofit kit.
3 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
4. Replace Black Safenet air sensor with Green RTN sensor.
5. Replace Yellow Safenet defrost sensor with Orange RTN sensor.
Air SensorOld Sensor-BlackNew Sensor-Green
Defrost SensorOld Sensor-YellowNew Sensor-Orange
Air Sensor
Defrost SensorNote: The existing sensors are NOTcompatible with the RTN400 and must bereplaced with the sensors provided in theretrofit kit.
DO NOT SPLICE SENSOR WIRES !!
4 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
6. Install Plastic Spacers onto Support Controller.
7. Secure Control RTN400 to Plastic Spacers
8. Use the Hex Head 5/16” Screw to secure the assembly inside the control box
5 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
9. Remove Safenet III controller and harness wiring from control boxNote: Make sure to remove the controller’s harness wires from the terminal board.
Terminal board
Compressor relay
Remove existing Safenetcontroller along harness wiring
Power supply
10. Install wires to controller and terminal board as shown below:
TO COMPRESSOR RELAY TERMINAL #0
BLACK
BLACK
WHITE
Support ControllerController RTN400
6 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
11. Connect Sensors wires to controller as shown below. Connect Cable Controllerto controller RTN400.
Sensor connectionsOrange: #21 Black wire & #20 White wireGreen: #19 Black wire & #18 White wire
#0
12. Verify Black wire to Terminal Board #6is connected to evap fan motor.
13. Disconnect this wire from Terminal Board #6and connect again to RTN400 controller #9.
7 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
The new controller is preprogrammed and should not require adjustments. You are now ready to start the unit and verify the set-points.• Apply power to the unit (Fans should start immediately and compressor should start in a few seconds).• Confirm the setpoint by following “Step 1”. For GSVM4060/4072/5272, the preprogrammed setpoint
is 24°F. For GSVM4060D setpoint is 16°F.• Go to “Step 2” and verify the sensor probes are reading correctly.• Proceed to page 9 to complete the start-up process.
1)
2)
To see Parameters info please refer to document:
P/N 3047273 - GSVM4060/4072/5272P/N 3047384 - GSVM4060D
8 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
9 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
RTN-400 LED Indicator Lights
10 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
WARNINGUNPLUG THE EQUIPMENT BEFORE TOMAKE ANY REPARATION TO AVOIDANY DAMAGE
ADVERTENCIA:DESCONECTAR EL EQUIPO ANTES DEHACER CUALQUIER REPARACIÓN, PARAEVITAR ALGUN DAÑO.
ELECTRIC SPECSMODEL GSVM4060VOLTAGE 115 VFRECUENCY 60 HZ
0523611_D
BK
BK
EVAP. FANS
ELEC
-TRO
N
BK
BKBK
3-S-
226
W
1
2
7
8 COMPRESSOR
RELAY
BL
BK
W
W
BK
W
W
3
4
5
6
9
10
11
12
23
24
25
26
W
C
1 2
STARTCAPACITOR
RUNCAPACITOR
POTENTIALRELAY
BKY
POWER SWITCH
BK
W
W
GRN
115 V60HZ1PH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
UPPER LIGHT
SHELF LIGHT
OPTIONAL KIT
R
R
CAP ENDS
R
R
CAP ENDS
R
R
CAP ENDS
BLR
R
CAP ENDS
BL
BL
BL
BL
BL
BL
BL
R
BL
UPPER LED
SHELF LED
LIGHT SWITCH
POWER SUPPLY
BK
BKW
OPTIONAL LED LIGHT KITS
FANCOND.
COMPRESSOR
PROTECTOR
S3 S1
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
W
BK
W
BK
NEMA5-20P
01
26
48
SHELF LIGHT
SHELF LIGHT
SHELF LED
SHELF LED
CONDENSATE PAN HEATER
NEMA5-15P
OUT3
OUT2
OUT1
OUT4
RS-485
MODULE
RTN400 SM
OUT2 OUT3 OUT1 OUT4LIN
E
1 2 3 4 5 6 7 8 9 10 11 12 13 14
18192021222324252627282930313233
GNDD
GNDD
OC
12V
TTL
OPTIONAL
SENSOR TEMPDEFROSTORANGE
12VD
GNDKEYB
15 cm.MAX.
NEU
TRO
NEU
TRO
PB1PB2
SENSOR TEMPAIR
GREEN
BKW
Wiring Diagram GSVM4060
11 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
WARNINGUNPLUG THE EQUIPMENT BEFORE TOMAKE ANYREPARATION TO AVOID ANY DAMAGE
ADVERTENCIA:DESCONECTAR EL EQUIPO ANTES DEHACER CUALQUIER REPARACIÓN, PARAEVITAR ALGUN DAÑO.
ELECTRIC SPECSMODEL GSVM4072VOLTAGE 115 VFRECUENCY 60 HZ
0523613_D
BK
BK
EVAP. FANS
ELEC
-TRO
N
BK
BKBK
3-S-
226
W
1
2
7
8
COMPRESSORRELAY
BK
BKW
W
BK
W
OPTIONALCONDENSATE PAN HEATERW
3
4
5
6
9
10
11
12
23
24
25
26
W
C
1 2
STARTCAPACITOR
RUNCAPACITOR
POTENTIALRELAY
BKY
POWER SWITCH
BK
W
W
GRN
115 V60HZ1PH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
UPPER LIGHT
SHELF LIGHT
R
R
CAP ENDS
R
R
CAP ENDS
R
R
CAP ENDS
BLR
R
CAP ENDS
BL
BL
BL
BL
BL
BL
BL
R
BL
UPPER LED
SHELF LED
LIGHT SWITCH
POWER SUPPLY
BK
BKW
FANCOND.
COMPRESSOR
PROTECTOR
S3 S1
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
W
BK
W
BK
R
BL BALLASTBK
BK
OPTIONAL SHELF LIGHT LIGHT SWITCH
LIGHT SWITCH
NEMA5-20P
01
26
48
SHELF LIGHT
SHELF LIGHT
SHELF LIGHT
OPTIONAL LED LIGHT KITS
SHELF LED
R
R
CAP ENDS BL
BL
SHELF LED
SHELF LED
NEMA5-15P
OUT3
OUT2
OUT1
OUT4
RS-485
MODULE
RTN400 SM
OUT2 OUT3 OUT1 OUT4LINE
1 2 3 4 5 6 7 8 9 10 11 12 13 14
18192021222324252627282930313233
GNDD
GND
D
OC12V
TTL
OPTIONAL
SENSOR TEMPDEFROSTORANGE
12V
D
GNDKEYB
15 cm.MAX.
NEU
TRO
NEU
TRO
PB1PB2
SENSOR TEMPAIR
GREEN
BKW
BKBK
Wiring Diagram GSVM4072
12 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
WARNINGUNPLUG THE EQUIPMENT BEFORE TOMAKE ANYREPARATION TO AVOID ANY DAMAGE
ADVERTENCIA:DESCONECTAR EL EQUIPO ANTES DEHACER CUALQUIER REPARACIÓN, PARAEVITAR ALGUN DAÑO.
ELECTRIC SPECSMODEL GSVM5272VOLTAGE 115 VFRECUENCY 60 HZ
0523614_C
BK
BK
EVAP. FANS
ELEC
-TRO
N
BK
BKBK
3-S-
226
W
1
2
7
8 COMPRESSOR
RELAY
BK
W
W
BK
W
W
3
4
5
6
9
10
11
12
23
24
25
26
W
C
1 2
STARTCAPACITOR
RUNCAPACITOR
POTENTIALRELAY
BKY
POWER SWITCH
BK
W
W
GRN
115 V60HZ1PH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
R
BL BALLAST
LIGHT SWITCH
BK
FANCOND.
COMPRESSOR
PROTECTOR
S3 S1
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
W
BK
W
R
BL BALLASTBK
BK
OPTIONAL SHELF LIGHTLIGHT SWITCH
LIGHT SWITCH
C
1 2FANCOND.
01
26
48
R
R
CAP ENDS
R
R
CAP ENDS
R
R
CAP ENDS
BLR
R
CAP ENDS
BL
BL
BL
BL
BL
BL
BL
R
BL
UPPER LED
SHELF LED
LIGHT SWITCH
POWER SUPPLY
BKW
OPTIONAL LED LIGHT KITS
SHELF LED
R
R
CAP ENDS BL
BL
SHELF LED
SHELF LED
OPTIONALCONDENSATE PAN HEATER
NEMA5-15P
UPPER LIGHT
SHELF LIGHT
SHELF LIGHT
SHELF LIGHT
SHELF LIGHTOUT3
OUT2
OUT1
OUT4
RS-485
MODULE
RTN400 SM
OUT2 OUT3 OUT1 OUT4LINE
1 2 3 4 5 6 7 8 9 10 11 12 13 14
18192021222324252627282930313233
GNDD
GNDD
OC12V
TTL
OPTIONAL
SENSOR TEMPDEFROSTORANGE
12V
D
GNDKEYB
15 cm.MAX.
NEU
TRO
NEU
TRO
PB1PB2
SENSOR TEMPAIR
GREEN
BKWBK
Wiring Diagram GSVM5272
13 U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
To obtain warranty information or other support, contact your
Hussmann representative. Please include the model and serial number of the product.
Hussmann Corporation, Corporate Headquarters: Bridgeton, Missouri, U.S.A. 63044-2483 01 October 2012