Checking Gas Pressure; Electrical Installation - MHSC CDVR33 Installation And Operating Instructions Manual

ChECK 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 30" (mm) flex line with
manual shut-off valve has been provided with
this appliance. Install and attach
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
50/40 water and soap 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. Figure 42. After taking pressure
reading, be sure and turn captured screw clock-
wise firmly to reseal. Do not over torque. Check
test points for gas leaks.
ElECTRICAl WIRING
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.
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.
label all wires before disconnecting when servicing controls. Wiring errors can cause
improper and dangerous operation.
Verify proper operation after servicing.
69D0023
1 / " gas line onto
Pressure
2
Test "IN"
Pressure
Test "OUT"
HI/LO
Knob
Pilot Adjustment
Screw
Figure 42 - Gas Pressure Check at Gas Valve
Do not use open flame to
check for gas leaks.
CDV Series Gas Fireplace
31