Procom MN300TPA Installation Manual download pdf (Page 10)

Figure 14 -Equipment Shutoff Valve

INSTALLATION

CHECKING GAS

CONNECTIONS

WARNING: Test all gas

piping and connections for leaks

after installing 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 equipment

shutoff valve from gas supply

piping 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 forming show

a leak.

5. Correct all leaks at once.

6. Reconnect heater and equipment

shutoff valve to gas supply. Check

reconnected fittings for leaks.

Test Pressures Equal To or

Less Than 1/2 PSIG (3.5 K Pa)

1. Close equipment shutoff valve

(see Figure 14).

2. Pressurize supply piping system

by either using compressed air

or opening main gas valve

located on or near gas meter.

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 control valve

(see Figure 15 ). Apply mixture of

liquid soap and water to gas

joints. Bubbles forming show

a leak.

5. Correct all leaks at once.

6. Light heater (see Operating

Heater, pages 10 and 11 for

non-thermostat models or

page 12 for thermostat

models). Check the rest of the

internal joints for leaks.

7. Turn off heater (see To Turn Off

Gas to Appliance, page 11 for

non-thermostat models or page

12 for thermostat models).

8. Replace lower front panel.

NON-THERMOSTAT MODELS

nFOR YOUR SAFETYn

READ BEFORE LIGHTING

WARNING: If you do not

follow these instructions

exactly, a fire or explosion may

result in causing property

damage, personal injury or

loss of life.

A. 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

l Do not try to light any appliance.

l Do not touch any electric switch;

do not use any phone in your

building.

l Immediately call your gas

supplier from a neighbor’s

phone. Follow the gas

supplier’s instructions.

l If you cannot reach your

gas supplier, 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 under water.

Figure 15 -Checking Gas Joints

OPERATING YOUR HEATER

WARING:Do not over tighten

gas connections.

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Procom MN300TPA Installation Manual Page 10

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