Desa FB-3B Operating, Heater, Checking Gas Connections, For Your Safety, Lighting, Read Before

OWNER’S MANUAL

INSTALLATION

Continued

CHECKING GAS

CONNECTIONS

WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect 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 propane/LP supply tank valve.

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 16).

2.Pressurize supply piping system by ei- ther using compressed air or opening propane/LP supply tank valve.

3.Check all joints from propane/LP sup- ply tank to equipment shutoff valve (see Figure 17). 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		OPERATING
Connections		HEATER
1.	Open equipment shutoff valve (see
	Figure 16).	NON-THERMOSTAT MODELS
2.	Open propane/LP supply tank valve.
		FB-3B AND FB-5B

3.Make sure control knob of heater is in

the OFF position.						FOR YOUR SAFETY
4. Check all joints from equipment shutoff						READ BEFORE
valve to control valve (see Figure 16).						LIGHTING
Apply mixture of liquid soap and wa-
ter to gas joints. Bubbles forming show
						WARNING: If you do not fol-
a leak.
5. Correct all leaks at once.					low these instructions exactly, a
					fire or explosion may result caus-
6. Light heater (see Operating Heater,
					ing property damage, personal
column 3 and page 12 for non-thermo-
					injury or loss of life.
stat models, pages 13 and 14 for ther-
mostat models). Check the rest of the					A.	This appliance has a pilot which must
internal joints for leaks.
						be lighted by hand. When lighting the
7. Turn off heater (see To Turn Off Gas
						pilot, follow these instructions exactly.
to Appliance, page 12 for non-ther-					B. BEFORE LIGHTING smell all
mostat models or page 13 for thermo-
						around the appliance area for gas. Be
stat models).
						sure to smell next to the floor because
8. Replace front panel.
						some gas is heavier than air and will
		Open				settle on the floor.
						WHAT TO DO IF YOU SMELL GAS
Equipment
						• Do not try to light any appliance.
Shutoff
						• Do not touch any electric switch; do
Valve
						not use any phone in your building.
						• Immediately call your gas supplier
						from a neighbor’s phone. Follow
			Closed			the gas supplier’s instructions.
						• If you cannot reach your gas sup-
Figure 16 - Equipment Shutoff Valve						plier, call the fire department.
					C.	Use only your hand to push in or turn
	Control Valve Location					the gas control knob. Never use tools.
						If the knob will not push in or turn
	Thermostat Models
Propane/LP						by hand, don’t try to repair it, call a
Supply Tank						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
				Equipment		the appliance and to replace any part
						of the control system and any gas con-
				Shutoff		trol which has been under water.
				Valve

Control Valve

Location Non-

Thermostat Models

Figure 17 - Checking Gas Joints

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