Initial Installation
QUALIFIED INSTALLERS ONLY
Electrical Requirements For Gas Valve and Optional Blower:
The ENVIRO CARA 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. The appliance when equipped with an optional 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.
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| ON/OFF |
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Table 9: Recommended Thermostat |
| Optional | Burner Switch |
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| Wire Size. |
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| Remote | Blue Thermocouple | |||
Wire Size | Max. Length |
| Control | |||||||
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| Thermopile |
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14 gauge | 100 ft | (30.48 m) |
| Purple |
| Inlet | ||||
16 gauge | 60 ft | (18.29 m) |
| Manifold | Pressure | |||||
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| Tap | ||||||||
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| Pressure Tap | ||||||||
18 gauge | 40 ft | (12.00 m) |
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20 gauge | 25 ft | (7.62 m) |
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| Gas Control |
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22 gauge | 18 ft | (5.49 m) |
| Grey | Valve |
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CAUTION: Label | all | wires | prior | 70 ° F |
| Optional |
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to disconnection | when | servicing |
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| Wall Switch |
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controls. | Wiring | errors | can | cause | DOWN |
| Pilot Adjustment |
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| UP |
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improper and dangerous operation. | PROGRAM |
| Screw |
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| COOL / HEAT |
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Verify | proper |
| operation | after |
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| Thermostat |
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servicing. |
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| Figure 34: Gas Control Valve and Optional Thermostat Wiring. | ||||
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WARNING: Electrical grounding instructions. This appliance is equipped with a
DO NOT cut or remove the grounding prong from this plug.
ELECTRICAL INFORMATION:
Canadian Installations
The venting system must be installed in accordance with the current CSA B149 installation code and/or local codes having jurisdiction.
U.S.A. Installations
The venting system must be installed in accordance with the current National Fuel Gas Code, ANSI Z223.1, and/or local codes having jurisdiction.
Power | Black |
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Cord |
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Black | Green/White |
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White |
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| Snap Disk N/O |
Green/Yellow | Black |
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| Fan |
Black | Rheostat |
| Black |
Figure 35: Wiring Diagram for Electric Fan.
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