Owner`s manual
Initial Installation
QUALIFIED INSTALLERS ONLY
eLectRicaL RequiRements:
28
TP
TP/TH
TH
Blue
Grey
Blue
Place Thermostat
Wires Here.
On/Off/Thermostat
Switch
The Q2 will operate without external electrical power. This model has a Millivolt gas control which uses the
pilot ame to generate enough electricity to operate the main burner. This appliance when equipped with
a blower, must be electrically connected and grounded in accordance with local codes or in the absence of
local codes, with the current CSA C22.1 CANADIAN ELECTRICAL CODE Part 1, SAFETY STANDARDS FOR
ELECTRICAL INSTALLATIONS, OR THE NATIONAL ELECTRICAL CODE ANSI / NFPA 70 in the U.S.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper operation after servicing.
Table 9: Recommended Thermostat
Wire Size
Wire Size Max. Length
14 gauge 100 ft (30.48 m)
16 gauge 60 ft (18.29 m)
18 gauge 40 ft (12.00 m)
20 gauge 25 ft (7.62 m)
22 gauge 18 ft (5.49 m)
Figure 32: Accessory Wiring
Figure 31: Q2 Wiring Diagram
COOL / HEAT
PROGRAM
DOWN
UP
70 ° F
70 ° F
O
N
O
F
F
Optional
Remote
Control
Blue
Grey
Optional
Wall Switch
Optional
Thermostat
Pilot
Adjustment
Screw
ON/OFF/REMOTE
Thermostat Switch
Blue
Thermopile
Thermocouple
Manifold
Pressure
Tap
Inlet
Pressure
Tap
Gas
Control
Valve
BV Only
180
o
F (82
o
C)
Temperature
Sensor
Blue
Optional Thermostat (50-583)
Optional Wall Switch (50-559)
120°F
The Q2 comes from the
manufacture with a on/
off switch mounted to
the control panel. If you
would like to install a
wall mounted switch or
thermostat then use the
diagram to assist you
in wiring the accessory
into the unit. Disconnect
the connection behind
the switch in the control
panel as tap into the (2)
terminals as shown in
gure 32