Aube Technologies TH144 - Manual

TH144 400-144-000-C 2008-02-08 1/6
TURN OFF POWER TO THE SYSTEM AT THE MAIN POWER
PANEL TO AVOID ELECTRICAL SHOCK
.
Installation should be carried out by an electrician or a qualified
technician.
1.1 Find a Location for the Thermostat
• For a new installation, choose a location about 5 ft. (1.5 m) above
the floor and on an inside wall.
• Avoid locations where there are air drafts (top of staircase, air out-
let), dead air spots (behind a door), direct sunlight, concealed
chimneys or pipes, or air diffusers.
1.2 Prepare and Connect the Thermostat
TABLE 1: Wiring Terminals
FIGURE 1: Typical Wiring Diagram (model shown TH144-3H2C)
n
Installation 1.
Loosen the captive screw
holding the base to the
module. Gently lift the lower part of
the module to remove it
from the base. Secure the base using the
wall anchors & screws.
Wire the thermostat.
Terminals
OUTPUT CONFIGURATION (MODEL)
Connect to...
1C 1H 2C 2H 1H1C 2H1C 2H2C 3H2C
R D D D D D D D D Supply 24 VAC
C D D D D D D D D Common
W D D Heat relay
W1 D D D D 1st stage heat
W2 D D D D 2nd stage heat
W3 D 3rd stage heat
Y D D D Compressor relay
Y1 D D D 1st stage cool
Y2 D D D 2nd stage cool
G D D D D D D D D Fan
REM Unoccupied input (optional) - see 1.3 CT240/CT241/timer
Vcc (1)
AC144-02 Remote Temperature Interface - see 1.4 AC144-02 Tx/Rx (2)
Gnd (3)
TH144
Installation and User Guide
HVAC Electronic Thermostat
400-144-000-C (TH144_HVAC) ENG.fm Page 1 Friday, February 8, 2008 10:33 AM