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ECL-PTU Series
Figure 1:
ECL-PTU Controller Enclosure
Product Description
This document describes the hardware installation procedures for the ECL-PTU Series L
The Distech Controls ECL-PTU Series controllers are designed to control and monitor powered terminal units such as powered fan coil units, heat
pumps, chilled ceilings and small air handling units.
This product line includes the following controllers: ECL-PTU-107, ECL-PTU-207, ECL-PTU-208, ECL-PTU-307, and ECL-PTU-308.
The ECL-PTU Series are compatible with the ECx-Light/Blind lighting and sunblind expansion modules (refer to the ECx-Light/Blind Series Expansion
Modules Hardware Installation Guide).
Each controller uses the L
W
ON
ORKS
This document describes the hardware installation procedures for the following controllers: ECL-PTU-107, ECL-PTU-207, ECL-PTU-208, ECL-PTU-307,
and ECL-PTU-308.
These controllers are all built on a similar platform but have different numbers of inputs and outputs. Moreover, each
individual model has different amounts of digital and/or analog outputs. For more information on the specific layout
and functionality of each controller, please refer to their individual datasheets and user guides.
General Installation Requirements
For proper installation and subsequent operation of the device, 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, inspect the contents of the carton for shipping damages. Do not install a damaged device.
£
The controller should be installed in an appropriate ventilated enclosure with minimum dimensions 240 x 240 x 100 mm.
£
Avoid areas where corroding, deteriorating, or explosive vapors, fumes or gases may be present.
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Allow for proper clearance around the controller's enclosure, wiring terminals, and service pin, in order to provide easy access for hardware configu-
ration, and in order to ventilate the heat generated by the controller.
£
Remember to record the 12-character Neuron® ID located on either end of the device (shown on a sticker below the barcode) for later commission-
ing.
£
Orient the controller with the ventilation slots and power supply/output terminal block connectors towards the top to permit proper heat dissipation.
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.
TP/FT-10 communication protocol and are L
I n s t a l l a t i o n G u i d e
W
controllerss.
ON
ORKS
M
certified as SCC Fan Coil Controller.
ON
ARK

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Summary of Contents for Distech Controls ECL-PTU Series

  • Page 1 ORKS The Distech Controls ECL-PTU Series controllers are designed to control and monitor powered terminal units such as powered fan coil units, heat pumps, chilled ceilings and small air handling units. This product line includes the following controllers: ECL-PTU-107, ECL-PTU-207, ECL-PTU-208, ECL-PTU-307, and ECL-PTU-308.
  • Page 2: Device Markings

    Do not drop the device or subject it to physical shock. £ If the device is used and/or installed in a manner not specified by Distech Controls, the functionality and the protection provided by the device may be impaired. £...
  • Page 3: General Wiring Recommendations

    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 device, use the terminal connectors. Use a small flat screwdriver to tighten the terminal connector screws once the wires have been inserted (strip length: 0.25’’...
  • Page 4 DIN Rail-Mounted Installation 1. Ensure the DIN rail is properly mounted on the wall. 2. Simply clip controller onto the DIN rail. Figure 3: DIN-rail mounted controller Wall-Mounted Installation 1. Use the mounting holes to mark the location of any holes that need to be drilled. 2.
  • Page 5: Device Dimensions

    It can ORKS be downloaded from the Distech Controls’ Documentation and Resources Portal. Use an external circuit breaker/fuse on the mains to protect the module against power line spikes. The circuit breaker must be located close to the mod- ule.
  • Page 6: Input Wiring

    The power wires must remain between 1 mm² (17 AWG) and 1.5 mm² (16 AWG). Make sure the cable performances suit the connected loads. Operating, handling, or servicing this product must be achieved by a qualified operator. Turn off power before any kind of servicing. Input Wiring Each controller has physical connections for six (6) inputs (marked as UIx for Universal Inputs, DIx for Digital Inputs, and SIx for Sensor Inputs).
  • Page 7: Output Wiring

    Wiring Resistive Inputs (UIx - SIx) This input configuration is used to monitor 10kΩ type II, type III, and type Z NTC sensors. Figure 9: Resistive input – 10 kΩ NTC Sensor input Wiring Pulse Inputs (UIx - DIx - SIx) Connect the pulse input according to the following figure for a pulse meter that can pull-down a +3.3 VDC supply with a 10 kΩ...
  • Page 8 Figure 12: Powered Relay outputs Wiring Relay Contact Outputs The ECL-PTU-107, ECL-PTU-207, ECL-PTU-208 and ECL-PTU-308 have one (1) relay contact output (DO4-C4) which can switch up to 9 A (resistive) for electric heater control up to 255 VAC. For example, this output can handle electric heaters up to 2 kW @ 230 VAC. The ECL-PTU-307 has two (2) relay contact outputs (DO4-C4 and DO11-C11) which can switch up to 6 A (resistive) for electric heater control up to 255 VAC.
  • Page 9 Controller Digital (Triac) Outputs Digital (Triac) Outputs (100-240 VAC) (24VAC) ECL-PTU-308 DO5 - DO6 – DO9 – DO10 Table 5: Triac outputs names and specifications £ Triac output connectors accept wires between 1 mm² (17 AWG) and 1.5 mm² (16 AWG). Make sure the cable performances suit the connected loads.
  • Page 10: Communications Wiring

    Wiring Analog Outputs (AOx) Analog outputs can be configured to provide either a discrete signal of 0 or 12 VDC or a linear signal ranging from 0 to 10 VDC. The discrete signal can be used to generate a pulse wave modulation (PWM) signal or a simple two-state signal. Analog output connectors accept wires between 0.75 mm²...
  • Page 11: Wireless Installation

    Wireless Installation When connected to a Wireless Receiver, controllers can receive input signals from a wide selection of wireless devices. Compatible wireless devices in- clude 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.
  • Page 12 Installed strain relief Tie wraps can then be used to group wires together and attach them securely to the strain relief in an effort to relieve undue tension. Distech Controls recommends using 0.184’’ (4.6 mm) wide tie wraps with a 50 lbs (220 N) tensile strength to attach wires to the strain relief.
  • Page 13: Fcc Statement

    Directive applies to standalone products, for example, 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 devices are not to be thrown away in municipal waste.
  • Page 14: Complementary Information

    All traveling cables permanently installed present an X type anchor. £ All cables must be able to operate above 176°F (80°C) £ This product is not repairable. If the device is physically malfunctioning or requires repair, it must be returned to Distech Controls. 14 / 21...
  • Page 15 Typical ECL-PTU-107 Wiring Diagram 15 / 21...
  • Page 16 Typical ECL-PTU-207 Wiring Diagram 16 / 21...
  • Page 17 Typical ECL-PTU-208 Wiring Diagram 17 / 21...
  • Page 18 Typical ECL-PTU-307 Wiring Diagram 18 / 21...
  • Page 19 Typical ECL-PTU-308 Wiring Diagram 19 / 21...
  • Page 20: Troubleshooting Guide

    Troubleshooting Guide Controller is powered but does not turn on Fuse has blown Disconnect the power from the controller. Check the fuse integrity. Reconnect power to the controller. Controller cannot communicate on a BACnet MS/TP network Network not wired properly Double check that the wire connections are correct.
  • Page 21 ©, Distech Controls Inc., 2013 - 2022. 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.

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