Step 5 Gas Pressure Requirements - Heat & Glo FB-Grand Installer's Manual

Step 5. Gas Pressure Requirements
Pressure requirements for these gas appliances are shown
in the table below.
Pressure Natural Gas
Minimum 5.0 inches
Inlet Pressure
Maximum Inlet 14.0 inches
Gas Pressure
Manifold 3.5 inches
Pressure
Inlet and outlet pressure taps are provided on the front face
of the gas control for a test gauge connection to measure
the manifold pressure. Use a small flat blade screwdriver to
crack open the screw in the center of the tap. Position a
rubber hose over the tap to obtain the pressure reading.
THE FIREPLACE AND ITS INDIVIDUAL SHUT-OFF
VALVE MUST BE DISCONNECTED FROM THE GAS
SUPPLY PIPING SYSTEM AND ISOLATED DURING ANY
PRESSURE TESTING OF THE SYSTEM AT TEST
PRESSURES EQUAL TO OR IN EXCESS OF ONE-HALF
(1/2) PSIG (3.5 KPA).
THERMOCOUPLE
Figure 8. Standing Pilot Ignition Wiring Diagram
Propane
11.0 inches
w.c. w.c.
14.0 inches
w.c. w.c.
10.0 inches
w.c. w.c.
GAS
VALVE
Step 6. Wiring the Fireplace
NOTE: Electrical wiring must be installed by a li-
censed electrician.
CAUTION: DISCONNECT REMOTE CONTROLS IF AB-
SENT FOR EXTENDED TIME PERIODS. THIS WILL PRE-
VENT ACCIDENTAL APPLIANCE OPERATION.
For Standing Pilot Ignition Wiring
Appliance Requirements
• This appliance DOES NOT require 110-120 VAC to operate.
• Models FB-Grand and FB-IN require 110-120 VAC if op-
tional blower is added to the system.
WARNING: DO NOT CONNECT 110-120 VAC TO
!
THE GAS CONTROL VALVE OR THE APPLI-
ANCE WILL MALFUNCTION AND THE VALVE
WILL BE DESTROYED.
Wall Switch
Position the wall switch in the desired position on a wall.
Run a maximum of 25 feet (7.8 m) or less length of 18
A.W.G. minimum wire and connect it to the fireplace valve
pigtails.
WARNING: DO NOT CONNECT 110-120 VAC
!
TO THE WALL SWITCH OR THE CONTROL
VALVE WILL BE DESTROYED.
CAUTION: LABEL ALL WIRES PRIOR TO DISCONNEC-
TION WHEN SERVICING CONTROLS. WIRING ERRORS
CAN CAUSE IMPROPER AND DANGEROUS OPERATION.
VERIFY PROPER OPERATION AFTER SERVICING.
THERMOPILE
ON
OFF
ROCKER
SWITCH
RED T1
WHITE T2
19
OPTIONAL WALL SWITCH
THERMOSTAT OR REMOTE