Enviro Cara - Manual (Page 30)

Initial Installation
QUALIFIED INSTALLERS ONLY
e
lectrical
r
equirements
f
or
g
as
V
alVe and
o
ptional
B
lower
:
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 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. When installing the Optional Remote Control System for the valve and the blower, refer also
to the r
emote
C
ontrols
section, and to Figure 4.
WARNING: Electrical grounding instructions. This appliance is equipped with a three-prong (grounding)
plug for your protection against shock hazard, and must be plugged directly into a properly grounded
three-prong outlet.
Figure 50: Gas Control Valve and Optional Thermostat Wiring.
COOL / HEAT
PROGRAM
DOWN
UP
70 ° F
Optional
Remote
Control
ON/OFF
Burner Switch
Purple
Thermocouple Blue
Thermopile
Grey
Inlet
Pressure
Tap
Gas Control
Valve
Manifold
Pressure Tap
Pilot Adjustment
Screw
Optional
Wall Switch
Optional
Thermostat
Table 10: 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)
CAUTION: Label all wires prior
to disconnection when servicing
controls. Wiring errors can cause
improper and dangerous operation.
Verify proper operation after
servicing.
Figure 51: Wiring Diagram for Electric Fan.
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.
Rheostat
Snap Disk N/O
Black
Green/White
Black
White
Fan
Power
Cord
Black
Black
Black
Green/Yellow
30