RCS TR65 Installation Manual

DCN 140-02165-01 4/20/12 2
TR65 Thermostat Installation
The TR65 thermostat is a two part thermostat with a Wall Display Unit (WDU) and a HVAC Control Unit.
Install theTR65 Wall Display Unit (WDU) on the wall in the traditional thermostat location. The HVAC
Control Unit is typically installed at the HVAC mechanical system location, but it can be installed anywhere
in the wiring between the WDU and the HVAC system.
Wiring
Retrofit installations
The Wall Display Unit replaces the traditional thermostat. The existing thermostat wiring can be used (4
wires required). Install the TR65 WDU at the thermostat end and simply cut the cable at the desired
location of the HVAC Control Unit and connect it in the line. 4 wires are required between the WDU and
HVAC Control Unit and typically 5 wires are required between the HVAC Control Unit and the HVAC
system. Heat Pump and Multistage systems may require additional wires between the HVAC Control Unit
and the HVAC System. Consult your HVAC system wiring diagram.
New Construction
For new installations, prewire the thermostat location back to the mechanical HVAC system with either
thermostat wire, 5 conductor, (18-20ga) or Cat 5 cabling. The TS65 WDU wires to the HVAC Control Unit
with this cable. The HVAC Control Unit wires to the HVAC system with thermostat wiring, typically 5 wire,
18-20Ga. Heat Pump and Multistage systems may require additional wires between the HVAC Control
Unit and the HVAC System. Consult your HVAC system wiring diagram.
BEFORE REMOVING THE OLD THEMOSTAT! Write down connections!
Be sure to write down the existing wiring connections to the old thermostat. Label the wires with the
thermostat connection. Refer to these when connecting the HVAC Control Unit to the HVAC system.
Old Thermostat Terminal Marking
Typical Wire Color
Your Wire Color
C or B (24V common)
Blue or Black
R (or RH for split heating systems)
Red from heating system
RC (for split cooling systems)
Red from cooling system
G
Green
W or W1
White
W2
Brown
Y or Y1
Yellow
Y2
Black or Blue
O (heat pump system only)
Orange
B (heat pump system only)
Brown or Blue
Caution: Thermostat wiring color codes are not standardized beyond simple 5 wire systems. Do
not rely on the color of the wire to determine function. Check it and write it down!
TR65 Wall Display Unit
TR65 HVAC Control Unit
HVAC System
4 Wire
Thermostat wire or
Cat 5 wire
5 Wire
minimum
Thermostat
wire
STOP
Model: TS65
Model: ZCV1

RCS TR65 Specifications

General

Brand	RCS
Model	TR65
Category	Thermostat
Language	English