PRO1 T731W Wireless PTAC Non-Programmable Thermostat Installation Guide
Wiring
Wiring
Caution:
Electrical Hazard
Warning:
Wiring Note:
Note:
All components of the control
system and the thermostat
installation must conform to
Class II circuits per the NEC Code.
Failure to disconnect the power
before beginning to install this
product can cause electrical
shock or equipment damage.
The thermostat and Base Module
come factory linked (communicating)
out of the box. However, if the link is
lost, use the process on page 14 to
re-link the devices.
The base module is
packaged with labeled
thermostat wire. Wire
appropriately into the
PTAC board terminals.
Thermostat Wiring Tips
C Terminal
The C (common wire) terminal does
not have to be connected when the
thermostat is powered by batteries.
Wire Specifications
Use shielded or non-shielded
18-22 gauge thermostat wire.
GH GL
B
C
R
Y
W
O
Note:
Most PTAC systems support two speed fan operation. In a single speed
fan PTAC system or conventional single speed fan system, the GL terminal
will be used and “I”must be selected in the Technician Setup Menu.
Power supply
Note:
The thermostat must be set to O or B to match the changeover
valve, O is the cool changeover valve, B is the heat chageover
valve.
The base module may be mounted
using adhesive tape, such as
double-sided tape or hook and loop
strips. The base module must be
hardwired (C & R terminals
connected to 24V power). Use
secondary source of securement to
prevent module from dropping into
condenser drain pan.
The Aux. Heat Relay is energized as the second stage of heat.
Typical 1H/1C System: 2 Speed Fan
C
L2
R
Y
L1
COMPRESSOR
RELAY
Connecting to a PTAC:
When connecting the Base Module
to a PTAC, refer to the PTAC
manufacturer instructions to enable
remote thermostat operation.
R
W
C
HEAT RELAY
FAN LOW RELAY
FAN HIGH RELAY
GL
GH
9
10
Wiring
Technician Setup
1. To enter Tech Setup Menu, press and hold
2. Use or to select the desired valve for each setting.
3. Tap previous or next to select different tech settings.
and
together for 3 seconds.
Typical 1H/1C System: 1 Speed Fan
C
L2
L1
4. To exit Tech Setup Menu, press and hold
or wait 60 seconds.
and
together for 3 seconds
R
COMPRESSOR
RELAY
Y
R
W
HEAT RELAY
Important Tech Setting Notes
C
FAN RELAY
GL
1. Tech settings must be transferred to the basemodule.
2. The transfer happens automatically when you exit the tech menu.
GH
Typical 1H/1C Heat Pump System: 2 Speed Fan
C
LCD Will Show Adjustment Options
Default
Tech Setup Steps
This feature allows the installer to
4 ˚ - -4 ˚
L2
L1
change the calibration of the am-
bient room temperature display.
For example, if the thermostat
reads 70 degrees and you would
like it to read 72 then select +2.
Room
Temperature
Calibration
R
0
COMPRESSOR
RELAY
0˚F
Y
R
CALIBRATE
O
B
W
C
The swing setting, often called
“cycle rate”, “differential”or “antic-
ipation”is adjustable and dictates
how frequenlty the system cycles
on and off. For example: A swing
setting of 0.8˚ will turn the
cooling on at approximately 0.8˚
above the setpoint and turn the
cooling off at approximately 0.8˚
below the setpoint.
0.2 ˚ - 2 ˚
COOL CHANGE
OVER VALVE
FAN LOW RELAY
FAN HIGH RELAY
GL
GH
HEAT CHANGE
OVER VALVE
Cooling
Swing
0.8
0.8˚
0.8˚
COOLSWING
Typical 2H/1C Heat Pump System: 2 Speed Fan
C
The swing setting, often called
“cycle rate”, “differential”or “antic-
ipation”is adjustable and dictates
how frequenlty the system cycles
on and off. For example: A swing
setting of 0.8˚ will turn the
heating on at approximately 0.8˚
below the setpoint and turn the
heating off at approximately 0.5˚
above the setpoint.
0.2 ˚ - 2 ˚
L2
L1
COMPRESSOR
RELAY
Heating
Swing
R
0.8
O
B
AUX HEAT
RELAY
HEATSWING
COOL CHANGE
OVER VALVE
FAN LOW RELAY
FAN HIGH RELAY
HEAT CHANGE
OVER VALVE
11
12
| General | Details |
|---|---|
| Name | PRO1 T731W Wireless PTAC Non-Programmable Thermostat Installation Guide |
| Make | PRO1 |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.34 MB |
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