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1. Product Description This document describes the hardware installation procedures for the Single Duct Variable Air Volume / Variable Volume Temperature Controllers (ECL-VAVS-O, ECL-VAVS, ECL-VAV, ECL-VVTS, and ECL-VAV-N), and the 10-Point Programmable Controller (ECL-103). The Distech Controls Variable Air Volume / Variable Volume Temperature product line is designed to control and monitor various types of HVAC equipment such as baseboards, single and multi-stage duct heaters, fans, valves, lights, etc. When connected to a Wireless Receiver, this product line can be used with a variety of wireless battery-less sensors and switches. Each controller uses the LONWORKS® technology for peer-to-peer communication between controllers and are LONMARK certified. This document describes the hardware installation procedures for the following controllers: ECL-VAVS-O, ECL-VAVS, ECL-VAV, ECL-VVTS, ECL-VAV-N and ECL-103.

For more information on the specific layout and functionality of each controller, please refer to their individual datasheets and user guides.

Figure 1-1: ECL-VAV

Figure 1-2: ECL-VAVS

Figure 1-3: ECL-VAV-N

Hardware Installation Guide

LonMark Certified VAV/VVT Controllers: ECL-VAVS-O, ECL-VAVS, ECL-VAV, ECL-VVTS, ECL-VAV-N

10-Point LonMark Certified Programmable Controllers:

ECL-103

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2. General Installation Requirements For proper installation and subsequent operation of the controller, pay special attention to the following recommendations:

- It is recommended that the controller(s) be kept at room temperature for at least 24 hours before installation to allow any condensation that may have accumulated due to low temperature during shipping/storage to evaporate.

- Upon unpacking the product, inspect the contents of the carton for shipping damages. Do not install damaged controllers.

- Avoid areas where corroding, deteriorating or explosive vapors, fumes or gases may be present.

- Allow for proper clearance around the controller’s enclosure, wiring terminals, and service pin (see Figure 17-1) to provide easy access for hardware configuration and maintenance, and to ventilate heat generated by the controller. Remember to record the 12-character Neuron® ID located on a sticker on top of the device (shown on a sticker below the barcode), for later commissioning. When installed in an enclosure, select one that provides sufficient surface area to dissipate the heat generated by the controller and by any other devices installed in the enclosure. A metal enclosure is preferred. If necessary, provide active cooling for the enclosure.

- The controller’s datasheet specifies the power consumption (amount of heat generated), the operating temperature range, and other environmental conditions the controller is designed to operate under.

- Ensure that all equipment is installed according to local, regional, and national regulations.

- Do not drop the controller or subject it to physical shock. - If the controller is used and/or installed in a manner not specified by

Distech Controls, the functionality and the protection provided by the controller may be impaired.

Any type of modification to any Distech Controls product will void the product’s warranty.

Before installation of the Wireless Receiver, verify that local communication regulations allow the installation of wireless devices that operate at a frequency of 315 MHz or 868.3MHz. Refer to the Open-to-Wireless™ Solution Guide for more information.

Take reasonable precautions to prevent electrostatic discharges to the controller when installing, servicing or operating the controller. Discharge accumulated static electricity by touching one’s hand to a securely grounded object before working with the controller.

3. General Wiring Recommendations

Turn off power before any kind of servicing.

- All wiring must comply with electrical wiring diagrams as well as

national and local electrical codes. - To connect the wiring to a controller, use the terminal connectors.

Use a small flat screwdriver to tighten the terminal connector screws once the wires have been inserted.

- Power type cables (i.e. for power, 2- and 3-wire voltage and current inputs and outputs, as well as triac outputs) should be kept apart from other types of wiring to avoid any ambient noise transmission to other wires.

- The board connectors accept wires or flat cables ranging from 22 to 14AWG (0.644 to 1.630mm diameter) per pole. However, power cables must be between 18 and 14AWG (1.024 to 1.630mm diameter).

- Do not connect the universal inputs, analog/digital outputs or common terminals to earth or chassis ground (unless stated otherwise).

- Keep all wires away from high speed data transmission cables (for example, Ethernet, etc.).

- Keep input and output wiring in conduits, trays or close to the building frame if possible.

4. Mounting Instructions

The following mounting instructions pertain to controllers that have a built-in actuator (ECL-VAVS-O, ECL-VAVS, ECL-VAV, or ECL-VVTS). If mounting a controller without a built-in actuator (ECL-VAV-N and ECL-103), simply mount the controller using the integrated mounting bracket(s) and screw(s) that are provided with the controller.

Each controller is specially designed for easy installation either directly on an air duct or in a panel by using the integrated mounting collar and the screw that is provided with the controller. This mounting arrangement opposes the torque applied to the damper shaft. Mount the controller as follows: 1. Orient the controller into position on to the damper shaft so that

wiring connections are easily accessible. The controller must be fitted onto the shaft such that the base of the controller is parallel to the VAV box (perpendicular to the damper shaft). If the damper shaft has an external bushing that prevents the controller from being mounted flush to the side of the VAV box, use a spacer of the same thickness to compensate and to ensure the controller is at a right-angle to the shaft to prevent binding.

Condensation from the damper shaft will damage the controller’s electronics. When the VAV box air supply is below 10°C (50°F), ensure that any condensation from the damper shaft or from the VAV box does not enter the controller’s electronics. Under these conditions, mount the controller vertically above the damper shaft so that any condensation from the damper shaft will fall away from the controller. Further countermeasures may be required in some installations.

2. Using a power screwdriver, attach the controller to the VAV box with the screw provided with the controller through the controller’s mounting bracket slider. Otherwise, mark the screw’s position on the VAV box with a punch and then drill a hole into the VAV box. Then attach the controller to the VAV box with the screw provided with the controller.

Avoid over tightening the mounting screw so as to not strip the threads. Make sure the screws do not interfere with damper blade movement.

3. Find the damper position by the marking typically found on the end of the damper shaft.

Figure 4-1: Typical Damper Shaft End Marking

4. Determine the direction required to close the damper: Clockwise (CW) or Counterclockwise (CCW). Turn the damper shaft with a pair of pliers to fully close the damper for 90° boxes or fully open the damper for 45° or 60° boxes.

5. Press and hold down the Actuator Clutch for Manual Adjustment button (see Figure 5-3), and turn the controller’s shaft coupler until

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it touches the mechanical end-stop to either the fully closed position (90° boxes) or the fully open position (45° and 60° boxes).

6. For 90° VAV boxes: If the damper closes CCW, turn the coupler to the CCW mechanical stop limit. If the damper closes CW, turn the coupler to the CW mechanical stop limit. The open mechanical stop is factory preset for 90° boxes. For 45° and 60° VAV boxes: The mechanical stops must be set for both the fully closed and fully open damper positions. By installing the controller at the fully open position, the controller provides the open mechanical stop for 45° and 60° boxes. The closed damper seal provides the fully closed stop.

7. Tighten the U-Bolt clamp on to the damper shaft using an 8 mm (5/16 in.) wrench or socket. Tighten the bolts between 11 and 15 N·m (100 and 130 lb·in).

8. Test for free damper shaft movement: Press and hold down the Actuator Clutch for Manual Adjustment button and manually turn the actuator coupling to be certain that the actuator can rotate from full closed to full open positions without binding.

9. Connect the VAV box’s flow sensor tubing to the controller’s Pressure Sensor Inputs. Create a condensation trap in the pneumatic tubing by forming it into a vertical loop.

10. Finalize the installation by rotating the damper to the full open position.

CAUTION: Risk of Property Damage. Ensure that the damper is at the full open position before starting the air handler. Failure to rotate the damper to its full-open position may result in damage to the Variable Air Volume (VAV) box or ductwork when the air handler is started.

min. 40 mm (1.5")

Figure 4-2: Mounting a controller on a damper shaft

5. Controller Dimensions & Components

Figure 5-1: VAVS-O, VAVS, VAV & VVTS series dimensions

Low pressure

High pressureBracket mouting kit

190 [7.48 ]

54 [

2.13

]

61. 5

[2 .

42]

10 [0.40]

3 mm0.12 in

26.5

[1.

04]

11 [0.43]

5 [0

.2]

Units Legend: mm [in] Figure 5-2: VAV-N and ECL-103 series dimensions

PRESSURE

LOW

E D

E D

Actuator Clutch for Manual Adjustment

HIGH

Opening for Damper Shaft

Mechanical Stops

Pressure Sensor Inputs (when equipped) Service Pin

Connectors

Integrated Mounting Brackets

Damper Shaft Clamping Mechanism

Figure 5-3: VAVS-O, VAVS, VAV & VVTS series components

Service Pin

Connectors

Integrated Mounting Brackets

Pressure Sensor Inputs (when equipped)

PRESSURE

LOWHIGH

Integrated Mounting Bracket

E D

E D

Figure 5-4: VAV-N and ECL-103 series components

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6. Configuration Jumper Location and Identification

Controllers have the following onsite configurable jumpers.

Digital Outputs (DO)Power Source

Net to Subnet Port Settings

* Factory-default positions

Subnet Port

Wireless Port

Jumpers for DO1 & DO2

Jumpers for DO3 & DO4

Triac Internal Power*

Triac External Powered

Typ

ical

loca

tions

: Qua

ntity

may

var

y ac

cord

ing

to c

ontr

olle

r mod

el

Disabled*Enabled

Figure 6-1: ECL-VAV Series and ECL-103 Controller Jumper

Locations

7. Power Wiring Voltage: 24VAC; ± 15%, Class 2

This is a Class 2 Product. Use a Class 2 transformer only (rated at 100VA or less at 24VAC) to power the controller(s).

The Network Guide provides extensive information and requirements for powering a VAV that uses a LONWORKS network for communications. It can be downloaded from our website. It is recommended to wire only one controller per 24VAC transformer. If only one 24VAC transformer is available, determine the maximum number of VAVs that can be supplied on a single power cable supplied by a 100 VA transformer, according to the cable’s wire gauge and the total cable length from the following table. Table 7-1: Maximum Number of VAV Devices on a Power Run

AWG Power Run Total Cable Length

Maximum Number of Devices @ 7 VA per device1

Maximum Number of Devices @ 10 VA per device2

Maximum Number of Devices@ 15 VA per device3

144 75M (250 feet) 4 2 1 14 60M (200 feet) 5 3 2 14 45M (150 feet) 5 4 3 14 30M (100 feet) 5 5 4 16 60M (200 feet) 3 2 1 16 45M (150 feet) 5 3 2 16 30M (100 feet) 5 4 3 18 45M (150 feet) 3 2 1 18 30M (100 feet) 5 3 2

1. Typical VAV with 1 Allure™ EC-Smart-Vue sensor (without CO2 sensor) and actuator activated. No external loads.

2. Typical VAV with 1 Allure EC-Smart- Vue sensor (without CO2 sensor), 2 triac loads (1.6 VA each), 1 analog output (20 mA), and actuator activated.

3. Typical VAV with 1 Allure EC-Smart- Vue sensor (without CO2 sensor), 4 triac loads (1.6 VA each), 2 analog outputs (20 mA each), and actuator activated. OR Typical VAV with 1 Allure EC-Smart-Vue with CO2 sensor, 2 triac loads (1.6 VA each), 1 analog output (20 mA), and actuator activated.

4. Device terminals are not capable of accepting two 14 AWG wires (when daisy-chaining devices). Use a wire nut with a pig tail to make such a connection.

Any installation condition that is outside of the parameters of Table 7-1 should be avoided. Use an external fuse on the 24VAC side (secondary side) of the transformer, as shown in Figure 7-1 and Figure 7-2, to protect all controllers against power line spikes. Maintain consistent polarity when connecting controllers and devices to the transformer. That is, the COM terminal of each controller and each peripheral should be connected to the same terminal on the secondary side of the transformer.

The COM terminals of the controller are internally wired to the 24V COM terminal of the power supply. Connecting a peripheral or another controller to the same transformer without maintaining polarity between these devices will cause a short circuit.

Controller 2 Transformer

Controller 1

AC

24V AC/DC24V COM

Fuse: 4 A Max.Fast Acting

24 VAC

OPTIONAL: Connect to Electrical System Ground - At Power Supply Only

24V AC/DC24V COM

Figure 7-1: Power wiring – AC

Controller 2

Controller 1

24V AC/DC24V COM

Fuse: 4 A Max.Fast Acting

OPTIONAL: Connect to Electrical System Ground - At Power Supply Only

24V AC/DC24V COM 24 VDC

Figure 7-2: Power wiring – DC

Connecting the power source to Electrical System Ground is not a requirement for proper system operation. However it is good installation practice to do so in order to maintain the same potential between all controllers and Protective Earth.

8. Input Wiring Each controller has physical connections for inputs (marked as UIx) that are configured with EC-gfxProgram. Each input can be configured for digital, resistive, current, voltage, or pulse signals. Input types must be configured properly in software to ensure proper input readings.

Before connecting a sensor to the controller, refer to the installation guide of the equipment manufacturer.

For a wire length less than 75’ (23m), either a shielded or unshielded 18AWG wire may be used. For a wire up to 200’ (61m) long, a shielded 18AWG wire is recommended. The shield of the wire should be grounded on

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the controller side and the shield length should be kept as short as possible.

Wiring Digital Inputs This input configuration is used to monitor digital dry contacts, as well as pulsed contacts.

To Digital Input

Digital Dry ContactNO-NC

UIx

COM

Figure 8-1: Digital dry contact (NO & NC)

Wiring Resistive Inputs

This input configuration is used to monitor Resistance Temperature Detectors (RTD), thermistors such as 1000Ω RTDs, 10kΩ type II and III thermistors, as well as 10kΩ and 100kΩ potentiometers.

UIx

COM

To Analog-To-Digital Converter

RTD/Thermistor

Figure 8-2:Resistive input – RTD /Thermistor input

To Analog-To-Digital Converter

Potentiometer10kΩ

UIx

COM

Figure 8-3: Resistive input – 10kΩ Potentiometer input

Wiring Current Inputs Current inputs have a range of 0 to 20mA. Depending on the transducer power requirements, any one of the following input configurations can be used. Use the following configuration for a 2-wire, 0 to 20mA transducer powered by the controller’s internal 15VDC power supply.

+

–

Transducer0-20mA UIx

COM

+15VDC

To Controller’s Analog-To-Digital

Converter249Ω / ¼W

Figure 8-4: Current input – 2-wire transducer powered by the

controller

Use the following configuration for a 2-wire, 0 to 20mA transducer powered by an external 24 AC/DC power supply.

-+

0-20mATransducer

UIx

COM

To Analog-To-Digital Converter

24VDC

249Ω ¼W

Figure 8-5: Current input – 2-wire transducer, externally powered

Use the following configuration for a 3-wire, 0 to 20mA transducer powered by an external 24 AC/DC power supply.

AC

+Common

0-20mATransducer

UIx

COMTo Analog-To-Digital Converter

24VAC

249Ω ¼W

Figure 8-6: Current input – 3-wire transducer, externally powered

Use the following configuration for a transducer powered by its own power source.

+-

0-20mATransducer

UIx

COM

To Analog-To-Digital Converter

249Ω ¼W

Figure 8-7: Current input – Transducer with its own power source

Wiring Voltage Inputs Voltage inputs have a range of 0 to 10VDC or 0 to 5VDC. Connect the voltage input according to the following figure if a 3-wire 0 to 10V or 0 to 5V transducer is being used.

AC

+Common

0-10VTransducer

UIx

COMTo Analog-To-Digital Converter

24VAC

Figure 8-8: Voltage input – 3-wire transducer

Connect the voltage input according to the following figure if the transducer is powered by its own power source.

+-

0-10VTransducer

UIx

COM

To Analog-To-Digital Converter

Figure 8-9: Voltage input – Transducer with its own power source

9. Allure EC-Smart-Vue Wiring The Allure EC-Smart-Vue sensor is a communicating room temperature sensor with backlit display and graphical menus. and has VAV balancing capabilities. Connect the Allure EC-Smart-Vue sensor to the controller with a standard Category 5e Ethernet patch cable fitted with RJ-45 connectors. The Network Guide provides extensive information and requirements for the connection of Allure EC-Smart-Vue sensors. It contains information about network topology and length, cable type, setting the Subnet ID, etc. It can be downloaded from our website. See also the Hardware Installation Guide supplied with the Allure EC-Smart-Vue sensor. If you make your own patch cable, use Category 5e cable crimped with RJ-45 connectors either as T568A or T568B.

- Do not crimp one connector as T568A and crimp the other

connector as T568B on the same cable. - Protect the controller’s connector from being pulled on

when a cable to the Allure EC-Smart-Vue sensor is connected. Create a strain-relief by looping the cable and attaching it to a solid object with a nylon tie so that a tug on the cable will not pull out the connector on the controller.

Table 9-1: T568A and T568B Terminations for an RJ-45 Connector

Pin T568A (at both cable ends) T568B (at both cable ends) Pair Color Pair Color

1 3 white/green stripe

2 white/orange stripe

2 3 green solid

2 orange solid

3 2 white/orange stripe

3 white/green stripe

4 1 blue solid

1 blue solid

5 1 white/blue stripe

1 white/blue stripe

6 2 orange solid

3 green solid

7 4 white/brown stripe

4 white/brown stripe

8 4 brown solid

4 brown solid

The final result of a crimped RJ-45 connector is shown graphically below.

T568A T568B

Stripe Solid

1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8

Pair 3 Pair 1 Pair 2 Pair 4 Pair 2 Pair 1 Pair 3 Pair 4

Key:

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Figure 9-1: T568A and T568B Crimp Wire Sequence for an RJ-45 Connector

Figure 9-2: Pins on RJ-45 Jack Face

Patch cables fitted with connectors supplied by Distech Controls are wired as T568B.

10. Output Wiring Each controller has physical connections for either digital (triac) and/or universal outputs, depending on the type and model. The power source type for digital outputs is hardware configurable and must be configured by changing the jumper settings on the printed circuit board (for jumper location, see Section 6). The universal outputs are software configurable.

Before connecting an output device (actuator, relay, etc.) to the controller, refer to the installation guide of the equipment manufacturer.

For a wire length less than 75’ (23m) long, either a shielded or unshielded 18AWG wire may be used. For a wire up to 200’ (61m) long, a shielded 18AWG wire is recommended. The shield of the wire should be grounded on the controller side and the shield length should be kept as short as possible.

Wiring Digital Outputs (DOx)

Digital outputs are all made of triacs and can be configured as either powered outputs or non-powered outputs and output wiring must be done accordingly.

- The non-powered output type does not have any voltage on the output terminals when the output is active. Power must be supplied externally.

- The powered output type has 24VAC on the output terminals when the output is active. Power is therefore supplied internally by the controller. It should be noted that all controllers are shipped with all digital outputs configured as powered outputs. Maximum output current for all digital outputs (whether powered or non-powered) is 0.5A continuous or 1A @ 15% duty cycle for a 10-minute period.

To measure the state of a digital output (TRIAC), an external load must be connected.

DO1 and DO2 share the same C1-2 common terminal and are controlled by a single jumper and must therefore be set identically. Similarly, DO3 and DO4 (VAV, VVT and ECL-103 product lines only) share the same C3-4 common terminal and are controlled by a single jumper and must therefore be set identically. The jumpers are used to specify whether an internal or external power source is being used. For jumper location, see Section 6. If a 24VAC relay is being controlled using an external or internal power supply, connect the digital output according to the following figures.

External power supplies must be grounded as shown in Figure 10-1 and Figure 10-2.

JUMPERSETTINGS

24VAC Relay

A1

A2

DOx

Cx-xAC

Figure 10-1: Digital output with external power supply – Relay

JUMPERSETTINGS

24VAC Relay

A1

A2

DOx

Cx-x

Figure 10-2: Digital output with internal power supply – Relay

If a floating actuator is being controlled using an external or internal power supply, connect the digital output according to the following figures.

DOxCx-x

Actuator

~

DOx ~JUMPERSETTINGS

24VAC

Figure 10-3: Digital output with external power supply – Floating

actuator

DOxCx-x

Actuator

~

DOx ~JUMPER

SETTINGS Figure 10-4: Digital output with internal power supply – Floating

actuator

Wiring Universal Outputs (UOx) Universal outputs can be configured to provide either a discrete signal of 0 or 12VDC or a linear signal ranging from 0 to 10VDC. The discrete signal can be used to generate a pulse wave modulation (PWM) signal or a simple two-state signal. These outputs are protected by an auto-reset fuse. Wiring Discrete Outputs If a 12VDC relay is being controlled, connect it to a universal output according to the following figure.

From Digital Output

12VDC Relay

A1

A2

UOx

COM

Figure 10-5: Discrete 0 or 12VDC universal output – Relay

Wiring Voltage Outputs Connect the 0 to 10VDC output according to the following figure.

0-10V

Common

From Digital-To-Analog

Output

UOx

COM

Figure 10-6: Voltage 0 to 10VDC universal output

If an analog actuator is being controlled, connect the 0 to 10VDC output, along with an external 24VAC power source, to the analog actuator according to the following figure.

0-10V

~ or +

From Digital-To-Analog

Output

UOx

COM

Actuator

or -24VAC

Figure 10-7: Voltage 0 to 10VDC universal output – Analog actuator

11. Communications Wiring The recommended cable type for LONWORKS® communications is 22AWG (0.65 mm), twisted pair, unshielded. The LONWORKS communication wire is polarity insensitive and can be laid out in a bus, star, loop or free topology. For loop topology, polarity is important, special care must be taken when connecting the LONWORKS network to avoid short circuit.

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It is recommended to use the bus topology network configuration for all LonWorks communication wiring, as it allows for easy network troubleshooting.

Connect both wires to the LON+ and LON- terminals of the controller. If inserting multiple wires in the terminals, ensure to properly twist wires together prior to inserting them in the terminal connectors.

Controller 2

Controller 1

LON+LON-

LON+LON-

LON Network

To Next Controller Figure 11-1: Communications wiring For more information and detailed explanations on network topology and wire length restrictions, refer to the Network Guide. It can be downloaded from our website.

It is important to use proper network terminators depending on the type of network topology used. Failure to do so might result in communication errors between controllers.

Selecting Network Terminators Topology Distech Controls Part # Bus PDIDI-BT-TP10XX Free PDIDI-FT-TP10XX

For a bus topology, 2 network terminators are required (1 at each end of the bus topology channel). For a free topology, 1 network terminator is required and it can be put anywhere on the channel. When used with an Allure EC-Smart-Vue sensor, the network can be accessed at the sensor’s audio plug port for commissioning and maintenance purposes, when the two Net to Subnet Port Settings jumpers inside the ECL series controller are set to Enable (for jumper location, see Section 6). This will connect the main LONWORKS network to the Allure EC-Smart-Vue subnetwork Cat5e cable.

Recommendation: Only a limited number of controllers on a LONWORKS network segment should have their Net to Subnet Port Settings jumpers enabled. Enabling too many Allure EC-Smart-Vue sensors with network access may cause network communication issues. If there are any network communication problems, refer to Section 18.

The Cat5e cable length is restricted by the maximum allowable subnetwork bus length (see the Allure EC-Smart-Vue Hardware Installation Guide for more information).

Controller

Bus Network Topology: 22AWG (0.65mm) Unshielded Twisted Pair Network Cable

Cat5e communications cable:· Allure EC-Smart-Vue Sub-Network Bus· LONWORKS Network when Net to Subnet

Port Settings jumpers are Enabled

E D

Enable

Disable

For a Few Controllers ONLY:Standard Net to

Subnet Port Settings:

DISABLED - this is the factory

default setting

Allure EC-Smart-Vue

Net to Subnet Port Settings Optionally Enabled

Figure 11-2: LonWorks Network Bus Topology

12. Wireless Installation When connected to a Wireless Receiver, controllers can receive input signals from a wide selection of wireless devices. Compatible wireless devices include temperature sensors, duct sensors, window/door

contacts and light switches. These devices are easy to install, and can be mounted on a wide range of building materials. The Wireless Receiver is available in 315MHz or 868.3MHz frequencies.

Before connecting any wireless equipment to the controller, refer to the Open-to-Wireless Solution Guide.

Connecting the Wireless Receiver The Wireless Receiver is connected to the controller using a 2m (6.5ft) telephone cable with 4P4C modular connectors at both ends. Do not exceed this cable length. The Wireless Receiver’s telephone socket is located inside the device. To locate it, open the Wireless Receiver by separating its front and back plates.

Figure 12-1: Location of the Wireless Receiver’s telephone socket

Connecting to the Controller’s Wireless Port Each controller has a wireless port in which one end of the Wireless Receiver’s telephone cable plugs in. Uncover the controller to locate the wireless port on the PCB board (marked as Wireless Module).

13. Terminal Block Cover In certain jurisdictions, terminal block covers are required to meet local safety regulations. Terminal block covers are available for all controllers and are used to conceal the controllers’ wire terminals. Terminal block covers are optional and are sold as peripherals. The terminal block cover can be clipped on to the controller as shown below.

Figure 13-1: Terminal block cover installation

14. Maintenance

Turn off power before any kind of servicing. Each controller requires minimal maintenance, but it is important to take note of the following:

- If it is necessary to clean the outside of the controller, use a dry cloth.

- Retighten terminal connector screws annually to ensure the wires remain securely attached.

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15. Disposal The Waste Electrical and Electronic Equipment (WEEE) Directive sets out regulations for the recycling and disposal of products. The WEEE2002/96/EG Directive applies to standalone products, ie. products that can function entirely on their own and are not a part of another system or piece of equipment. For this reason Distech Controls products are exempt from the WEEE Directive. Nevertheless, Distech Controls products are marked with the

WEEE symbol , indicating that disposal of the devices shall not be done together with municipal waste. Products must be disposed of at the end of their useful life according to local regulations and the WEEE Directive.

16. FCC Statement

Changes or modifications not expressly approved by Distech Controls could void the user's authority to operate the equipment.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.

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17. Typical Variable Air Volume Application Wiring Diagram

PRESSURE

LOWHIGH

®

From Previous Device

To Next Device

24VAC

N

L120 / 220 VAC

OPTIONAL: Connect to Electrical System Ground

Fuse

GND

AllureEC-Smart-Vue

EOL Enabled at the last sensor at the end

of the Bus ON EO

L

OFF

Heating Floating Actuator

LONWORKS Network

Back of Allure EC-Smart-Vue

Wireless Port (beneath cover)

E D

E D

Service PIN Button

BAC

LON

Figure 17-1: Typical Power and Network Connections with an Allure EC-Smart-Vue Input and Floating Actuator Output

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18. Troubleshooting guide Controller is powered but does not turn on Fuse has blown Disconnect the power. Check the fuse integrity. Reconnect the power. Power supply polarity Verify that consistent polarity is maintained between all controllers and the transformer. Ensure that the 24VCOM terminal

of each controller is connected to the same terminal on the secondary side of the transformer. See Figure 7-1 and Figure 7-2.

Controller cannot communicate on the LONWORKS network Absent or incorrect supply voltage 1. Check power supply voltage between 24VAC ±15% and 24VCOM pins and ensure that it is within acceptable limits.

2. Check for tripped fuse or circuit breaker. Overloaded power transformer Verify that the transformer used is powerful enough to supply all controllers. Network not wired properly Double check that the wire connections are correct. Absent or incorrect network termination Check the network termination(s). Too many Allure EC-Smart-Vue sensors are providing network access

Disable the Net to Subnet Port Settings jumpers on all controllers (for jumper location, see Section 6). If communications are re-established, re-enable only a few Allure EC-Smart-Vue sensors to have network access.

Controller communicates well over a short network, but does not communicate on large network Network length Check that the total wire length does not exceed the specifications of the Junction Box and Wiring Guideline for Twisted

Pair LonWorks Networks. Wire type Check that the wire type agrees with the specification of the Junction Box and Wiring Guideline for Twisted Pair LonWorks

Networks. Network wiring problem Double check that the wire connections are correct. Absent or incorrect network termination Check the network termination(s). Incorrect or broken termination(s) will make the communication integrity dependent

upon a controller’s position on the network. Extra capacitance Make sure that no extra capacitance is being connected to the network other than the standard FTT circuit and a

maximum of a 3 meter stub (in bus topology). Number of controllers on network segment exceeded

The number of controllers on a channel should never exceed 64. Use a router or a repeater in accordance to the Junction Box and Wiring Guideline for Twisted Pair LonWorks Networks .

Network traffic Query node statistics to check for errors. Use a LONWORKS protocol analyzer to check network traffic.

Hardware input is not reading the correct value Input wiring problem Check that the wiring is correct according to this manual and according to the peripheral device’s manufacturer. Open circuit or short circuit Using a voltmeter, check the voltage on the input terminal. For example, for a digital input, a short circuit shows

approximately 0V DC and an open circuit shows approximately 5V DC. Configuration problem Using EC-gfxProgram, check the configuration of the input. Refer to the controller’s user guide for more information. Over-voltage or over-current at an input An over-voltage or over-current at one input can affect the reading of other inputs. Respect the allowed voltage / current

range limits of all inputs. Consult the appropriate datasheet for the input range limits of this controller. Hardware output is not operating correctly Fuse has blown (auto-reset fuse) Disconnect the power and outputs terminals. Then wait a few seconds to allow the auto-reset fuse to cool down. Check

the power supply and the output wiring. Reconnect the power. Output wiring problem Check that the wiring is correct according to this manual and according to the peripheral device’s manufacturer. Configuration problem Using the controller configuration plug-in or wizard, check the configuration of the output. Refer to the controller’s user

guide for more information. 0-10V output, 24VAC powered actuator is not moving.

Check the polarity of the 24VAC power supply connected to the actuator while connected to the controller. Reverse the 24VAC wire if necessary. Check the jumper settings for the external power supply as shown in Figure 10-3.

Wireless devices not working correctly Device not associated to controller Using EC-gfxProgram, check the configuration of the input. Refer to the device’s user guide for more information. Power discharge 1. Recharge device with light (if solar-powered) or replace battery (if battery-powered),

2. Ensure sufficient light intensity (200lx for 4 hours/day). Device too far from the Wireless Receiver Reposition the device to be within the range of the Wireless Receiver. For information on typical transmission ranges,

refer to the Open-to-Wireless Solution Guide. Configuration problem Using the device configuration plug-in or wizard, check the configuration of the input. Refer to the Wireless Battery-less

Sensors and Switches Solutions Guide for more information. Flow sensor is not giving proper readings Tubing connection problem 1. Make sure that the tubing is installed properly and that the tubing is not bent.

2. Verify that the high and low pressure sensors are not inversed. Controller is not calibrated properly Recalibrate the controller. Refer to the controller’s user guide for more information. Damper is not opening or closing properly Mechanical stops not in proper position The two mechanical stops must be positioned to stop the damper motion when it is completely closed and completely

opened. The mechanical stops can be moved by increments of 5°. Controller in Override Set the Override to OFF in the wizard. Rx/Tx LEDs RX LED not blinking Data is not being received from the LONWORKS data bus. TX LED not blinking Data is not being transmitted onto the LONWORKS data bus.

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For issues with the Allure EC-Smart-Vue sensor, refer to the Allure EC-Smart-Vue Hardware Installation Guide.

Status LED– Normal Operation One fast blink

Initialization: The device is starting up.

Fast blink continuous:

(150ms On, 150ms Off, continuous)

Firmware upgrade in progress. Controller operation is temporarily unavailable. The new firmware is being loaded into memory. This takes a few seconds. Do not interrupt power to the device during this time.

The Status LED is always OFF The controller is operating normally.

Status LED blink patterns – Repeats every 2 seconds (highest priority shown first) Long blink continuous:

(1s On, 1s Off, continuous)

The controller is unconfigured. Appropriate action: Commission the controller

Long Long Long blink

(800ms On, 300ms Off, 800ms On, 300ms Off, 800ms On)

The controller is offline. Appropriate action: Set the controller Online

Long Short Short Short blink

(800ms On, 300ms Off, 150ms On, 300ms Off, 150ms On, 300ms Off, 150ms On)

The controller is in bypass mode. Appropriate action: Set the controller Online

Short Short Long blink

(150ms On, 300ms Off, 150ms On, 300ms Off, 800 ms On)

Poor-quality power; The device has browned-out: The voltage at the 24VAC and 24VCOM terminals has gone below the device’s acceptable limit during power up.

Fast blink 12x:

(80ms On, 80ms Off, 12x)

Wink. The wink function is used to identify a device.

Total Quality Commitment

All Distech Controls product lines are built to meet rigorous quality standards. Distech Controls is an ISO 9001 registered company.

Hardware Installation Guide - ECL-VAV, ECL-VAV-N, ECL-VAVS-O, ECL-VVTS, ECL-VAVS, ECL-103

©, Copyright Distech Controls Inc., 2012. All rights reserved.

Images are simulated. While all efforts have been made to verify the accuracy of information in this manual, Distech Controls is not responsible for damages or claims arising from the use of this manual. Persons using this manual are assumed to be trained HVAC specialist / installers and are responsible for using the correct wiring procedures and

maintaining safe working conditions with fail-safe environments. Distech Controls reserves the right to change, delete or add to the information in this manual at any time without notice.

Distech Controls, the Distech Controls logo, Open-to-Wireless, Innovative Solutions for Greener Buildings, ECO-Vue, and Allure are trademarks of Distech Controls Inc.

Echelon, Neuron, LON, LONWORKS, LONMARK and LNS are registered trademarks of Echelon Corporation. NiagaraAX Framework is a registered trademark of Tridium, Inc.

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