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The Focus will operate without electrical
power. This model has a Millivolt gas control
which uses the pilot ame to generate enough
electricity to operate the main burners. 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.
WARNING: Electrical grounding instructions.
This appliance is equipped with a three-prong
(grounding) plug for your protection against
shock hazard, and should be plugged directly
into a properly grounded three-prong outlet.
DO NOT cut or remove the grounding prong
from this plug.
Table 3. 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)
C
O
O
L
/
H
E
A
T
P
R
O
G
R
A
M
D
O
W
N
U
P
7
0
°
F
7
0
°
F
O
N
O
F
F
Optional
Remote
Control
Purple
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
Figure 25: Wiring of a Thermostat.
Figure 24: Focus Wiring Diagram.
Initial Installation
QUALIFIED INSTALLERS ONLY
ELECTRICAL REQUIREMENTS:
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper operation after servicing.