Initial Installation
QUALIFIED INSTALLERS ONLY
ELECTRICAL REQUIREMENTS:
The Focus will operate without electrical power. This model has a Millivolt gas control which uses the pilot flame 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
Figure 24: Focus Wiring Diagram.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.
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| ON/OFF/REMOTE |
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| Optional |
| Thermostat Switch |
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| Remote |
| Blue | Thermocouple | |
70 ° F | Control |
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| Thermopile |
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N | F |
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O |
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F |
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| Manifold |
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O |
| Purple |
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| Inlet | ||
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| Pressure |
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| Pressure | |
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| Tap |
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| Tap | |
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| Gas |
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| Grey |
| Control |
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| Valve |
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70 ° F |
| Optional |
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| Wall Switch | Pilot |
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UP |
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| Adjustment |
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DOWN |
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| Screw |
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COOL / HEAT |
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PROGRAM |
| Optional |
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| Thermostat |
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Figure 25: Wiring of a Thermostat.
Table 3. Recommended Thermostat
Wire Size.
Wire Size | Max. Length | |
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14 gauge | 100 ft | (30.48 m) |
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16 gauge | 60 ft | (18.29 m) |
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18 gauge | 40 ft | (12.00 m) |
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20 gauge | 25 ft | (7.62 m) |
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22 gauge | 18 ft | (5.49 m) |
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