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Proliphix NT20E Installation Manual

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Download this manual See also: Configuration Manual
Model NT20e
Installation Guide

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Summary of Contents for Proliphix NT20E

  • Page 1 Model NT20e Installation Guide...

  • Page 2: Preparing For Installation

    You will need a #1 or #2 Phillips head screwdriver (small) and Drill with a 3/16" or 7/32" bit for this installation. Locate the NT20e on an inside wall, about 5 feet (1.5m) above the floor, and in a room that is used often.
  • Page 3 If you are removing an existing thermostat it is important to pay close attention to the wiring in place and to label each connection as you remove it from the existing thermostat. This will help in making the correct connections to the NT20e. Here are the steps that will ensure a proper removal: 1.
  • Page 4 1. Match the letter of your existing thermostat wire with the corresponding terminal letter on the NT20e. Refer to Table 1 for terminal compatibility of your system to the NT20e. 2. Strip insulation 3/8" (9.5mm) from wire ends. Take care not to damage labels for each wire in handling and push excess wire back into wall so as not to damage while installing.
  • Page 5 Heat Control Control Control Power RH RC H W2 W1 Y2 Y1 S1+ S1- S1 S2+ S2- S2 1 Figure 2 Connections for 4-wire HVAC The following conversion chart lists the standard HVAC terminal labels and the Proliphix corresponding label.
  • Page 6 Ethernet CAT5 connections. Match the label number to the Terminal block number for CAT5 color coding as shown in Figure 3. If the other end of the CAT5 cable is connected to a Proliphix EPA-60 Ethernet Power Adapter, follow the color coding for T568A on the label.
  • Page 7 HVAC systems (cool, heat and fan). The NT20e does not take power from the HVAC interface. Figure 4 shows the location of the jumpers on the NT20e circuit module. Note that J2 has two possible positions. Figure 4 shows J2 in POS1 position. Justify the jumper downward for POS2 position.
  • Page 8 RH Only (default) POS1 RC Only POS1 RH and RC with fan powered by RH POS1 RH and RC with fan powered by RC POS2 Note: J3 is always installed Table 3 HVAC Power Configuration Figure 4 NT20e Jumper locations...

  • Page 9: Verifying Operation

    Rev 1.4 Page 9 of 14 3. Verifying Operation Verifying Heat, Cool and Fan controls To test Heat, perform the following: 1. Verify the HVAC system power is on. 2. Press the middle button labeled ‘HVAC’. 3. Press the middle button labeled ‘Mode’. A menu list will appear. 4.
  • Page 10 Is EPA-60 patched to a switch or router? HVAC heat does not activate Verify you increased the heat set point higher than when tested the temperature reading and the NT20e is in heat mode. Check NT20e wiring. Verify the HVAC system is powered.

  • Page 11: Customer Assistance

    90 days from the date of purchase from Proliphix. Proliphix shall not be liable to honor the terms of this warranty if the product has been used in any other application other than that for which it was intended, or if it has been subjected to misuse, accidental damage, modification, or improper installation procedures.
  • Page 12 Rev 1.4 Page 12 of 14 In no event shall Proliphix’s liability exceed the price paid for the product from direct, indirect, special, incidental, or consequential damages resulting from the use of the product, it's accompanying software, or its documentation. Proliphix offers no refunds for its products.
  • Page 13 Rev 1.4 Page 13 of 14 NOTES...
  • Page 14 Rev 1.4 Page 14 of 14 NOTES Contents of this document are subject to change without notice.