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mILLIVoLt - checKInG GaS preSSure and eLectrIcaL InStaLLatIon
DVBL7 Series Gas Fireplace
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.
. To ease installation, a 4" (610 mm) flex line with manual
shut-off valve has been provided with on this appli-
ance. Install and attach 1/" 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 or 3 turns and then place
tubing to pressure gauge over test point. Turn unit
to high. Figure 32. After taking pressure reading,
be sure and turn captured screw clockwise 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.
4
Pressure
Test "IN"
Pressure
Test "OUT"
HI/LO Knob
Pilot Adjustment Screw
Figure 32 -
Gas Pressure Check at Gas Valve
FP1979
Millivolt gas valve
Do not use open flame to check for gas
leaks.
Label all wires before disconnecting when
servicing controls. wiring errors can cause
improper and dangerous operation.
Verify proper operation after servicing.
FP1979
74D3001
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