Desa VN6D Operating Heater, Vent-Free Natural Gas Heater, Installation, Continued

Models: VN6D

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CHECKING GAS

®

VENT-FREE NATURAL GAS HEATER

INSTALLATION

Continued

CHECKING GAS

CONNECTIONS

Pressure Testing Gas Supply Piping System WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once.

Pressure Testing Heater Gas Connections 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 kPa)

Pressure Testing Heater Gas Connections

1.Open equipment shutoff valve (see Fig- ure 13).

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 control valve (see Figure 14). Apply mixture of liquid soap and wa- ter to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 10 and 11). Check all other in- ternal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 11).

8.Replace front panel.

OPERATING

HEATER

FOR YOUR SAFETY

READ BEFORE

LIGHTING

OPERATING 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.

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.

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 either 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 kPa)

1.Close equipment shutoff valve (see Fig- ure 13).

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

3.Check all joints from gas meter to equip- ment shutoff valve (see Figure 14). Ap- ply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Open

WHAT TO DO IF YOU SMELL

GAS

 

Equipment

• Do not try to light any appliance.

• Do not touch any electric switch; do

Shutoff

not use any phone in your building.

Valve

 

• 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 13 - Equipment Shutoff Valve

plier, call the fire department.

C. Use only your hand to push in or turn

 

 

the gas control knob. Never use tools.

Control Valve

If the knob will not push in or turn

Location

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

Gas Meter

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.

Equipment

Shutoff

Valve

 

Figure 14 - Checking Gas Joints

 

10

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Desa VN6D Operating Heater, Vent-Free Natural Gas Heater, Installation, Continued, Checking Gas Connections