Owner’s manual, Installation, Operating heater – Desa FGH-30NGB User Manual

Page 11: Continued

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11

105568

OWNER’S MANUAL

O

POS

PO

Figure 14 - Equipment Shutoff Valve

Figure 15 - Checking Gas Joints

Equipment
Shutoff
Valve

Closed

WARNING: Test all gas pip-

ing and connections for leaks
after installation or servicing.
Correct all leaks at once.

WARNING: Never use an open

flame to check for a leak. Apply a
mixture of liquid soap and water
to all joints. Bubbles forming show
a leak. Correct all leaks at once.

Pressure Testing Gas Supply
Piping System

Test Pressures In Excess Of 1/2 PSIG
(3.5 K Pa)

1.

Disconnect appliance with its appliance
main gas valve (control valve) and equip-
ment shutoff valve from gas supply pip-
ing system. Pressures in excess of 1/2 psig
will damage heater regulator.

2.

Cap off open end of gas pipe where
equipment shutoff valve was connected.

3.

Pressurize supply piping system by ei-
ther using compressed air or opening
main gas valve located on or near gas
meter.

4.

Check all joints of gas supply piping
system. Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.

5.

Correct all leaks at once.

6.

Reconnect heater and equipment
shutoff valve to gas supply. Check re-
connected fittings for leaks.

Test Pressures Equal To or Less Than 1/2
PSIG (3.5 K Pa)

1.

Close equipment shutoff valve (see Fig-
ure 14).

2.

Pressurize supply piping system by
either using compressed air or open-
ing main gas valve located on or near
gas meter.

CHECKING GAS
CONNECTIONS

INSTALLATION

Continued

3.

Check all joints from gas meter to
equipment shutoff valve (see Figure
15). Apply mixture of liquid soap and
water to gas joints. Bubbles forming
show a leak.

4.

Correct all leaks at once.

Pressure Testing Heater Gas
Connections

1.

Open equipment shutoff valve (see
Figure 14).

2.

Open main gas valve located on or near
gas meter.

3.

Make sure control knob of heater is in
the OFF position.

4.

Check all joints from equipment shutoff
valve to thermostat gas valve (see Fig-
ure 15). Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.

5.

Correct all leaks at once.

6.

Light heater (see Operating Heater,
pages 11 and 12 for thermostat models
or page 13 for non-thermostat models).
Check all other internal joints for leaks.

7.

Turn off heater (see To Turn Off Gas
to Appliance
, page 12 for thermostat
models or page 13 for non-thermostat
models).

8.

Replace front panel.

Open

Equipment
Shutoff
Valve

Gas
Meter

Gas Valve

OPERATING
HEATER

THERMOSTAT MODELS
FAS-20BB AND FAS-30BB

A. This appliance has a pilot which must

be lighted by hand. When lighting the
pilot, follow these instructions exactly.

B. BEFORE LIGHTING smell all

around the appliance area for gas. Be
sure to smell next to the floor because
some gas is heavier than air and will
settle on the floor.

WHAT TO DO IF YOU SMELL
GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do

not use any phone in your building.

• Immediately call your gas supplier

from a neighbor’s phone. Follow
the gas supplier’s instructions.

• If you cannot reach your gas sup-

plier, call the fire department.

C. Use only your hand to push in or turn

the gas control knob. Never use tools.
If the knob will not push in or turn
by hand, don’t try to repair it, call a
qualified service technician or gas
supplier. Force or attempted repair
may result in a fire or explosion.

D. Do not use this appliance if any part

has been under water. Immediately
call a qualified service technician to
inspect the appliance and to replace
any part of the control system and
any gas control which has been un-
der water.

WARNING: If you do not fol-

low these instructions exactly, a
fire or explosion may result caus-
ing property damage, personal
injury or loss of life.

FOR YOUR SAFETY

READ BEFORE

LIGHTING

Continued

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