74D0010
9
MILLIVOLT - CHECKING GAS PRESSURE
and
ELECTRICAL INSTALLATION
1. Check gas type. The gas supply must be the same as
stated on the appliance’s rating decal. If the gas supply
is different from the fireplace, STOP! Do not install
the appliance. Contact your dealer immediately.
2. To ease installation, a 24" (610 mm) flex line with
manual shut-off valve has been provided with on this
appliance. Install and attach
1
/
2
" gas line onto shut-off
valve.
3. After completing gas line connection, purge air from
gas line and test all gas joints from the gas meter to
the fireplace for leaks. Use a solution of 50/50 water
and soap solution or a gas sniffer.
4. To adjust flame height, turn HI/LO knob to HI to get
maximum pressure to burner. Turn HI/LO knob to LO
to get minimum pressure.
5. To check gas pressures at valve, turn captured screw
counter clockwise 2 or 3 turns and then place tubing to
pressure gauge over test point. Turn unit to high.
See
Figure 36.
After taking pressure reading, be sure and
turn captured screw clockwise firmly to reseal. Do not
over torque. Check test points for gas leaks.
Do not use open flame to check for
gas leaks.
W
ARNING
Figure 36 - Gas Pressure Check at Gas Valve
Pressure
Test “IN”
Pressure
Test “OUT”
HI/LO
Knob Pilot Adjustment
Screw
ELECTRICAL WIRING
Electrical connections should only be performed by a qualified, licensed electrician.
Main power must be off when connecting to main electrical power supply or performing
service. All wiring shall be in compliance with all local, city, and state codes. The
appliance, when installed, must be electrically grounded in accordance with local codes,
or in the absence of local codes, with the
National Electrical Code ANSI/ NFPA 70 (latest
edition)
and
Canadian Electrical Code, CSA C22.1.
W
ARNING
Label all wires before disconnecting when servicing controls. Wiring errors can cause
improper and dangerous operation.
CAUTION
Verify proper operation after servicing.
This fireplace will work without any electrical supply. Electricity is only needed to operate blower.
NOTE: If installed in mobile home, fireplace must be bolted securely to floor.
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Страница 54: ...54 74D0010 illustrated parts lists 1 2 3 4 5 6 7 8 10 11 12 13 14 Standing Pilot Millivolt control 2T 2I 2C 8 ...
Страница 56: ...56 74D0010 illustrated parts lists SIGNATURE COMMAND SYSTEM 0009 SG parts 8 08 1 2 3 4 17 5 6 7 8 9 13 14 15 ...
Страница 64: ...64 74D0010 SEPTEMBER 2008 74D0010 Rev 10 MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com ...