SECTION N: INITIAL START-UP

1.0TOOLS NEEDED

One 12-0-12, 24” scale manometer

Two 6-0-6, 12” scale manometers

7/16” open end wrench

1/2” open end wrench

Screwdriver

Volt meter

3/16” Allen wrench

2.0PREPARATION FOR START-UP

WARNING: DO NOT TURN ON GAS AT THIS TIME

2.1Check Power Supply

With volt meter at incoming power check voltage between:

Hot - Common

(~120VAC)

Hot - Ground

(~120VAC)

Common - Ground

(< 1VAC)

If Common - Ground is > 1 VAC - STOP: Contact electrician to correct ground failure. Warning: Failure to do this may burn out 120V-24V transformer, or may cause other safety control damage or failure.

2.2Attach Manometers to Measure Pressures

Attach 24" scale manometer to the first main gas shut-off valve pressure tapping.

Attach one 12" scale manometer to the manifold gas pressure tapping. (See gas valve detail on page 7.)

Attach one 12" scale manometer to — Pull rubber tube from air pressure switch off the aluminum tubing and connect the manometer using a tee.

Turn Off Main Gas Valve;

2.3Check the Gas Supply Pressure

1.Slowly turn on main gas shut-off valve.

2.Read the gas supply pressure from the manometer; minimum supply pressure is 5” W.C., recommended supply is 7” W.C. for natural gas (minimum 12” W.C. for LP gas).

3.If pressure is > 14" W.C., turn off the valve.

4.Check if the service regulator is installed and/or adjust the service regulator.

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Raypak 122-322 Section N Initial START-UP, Tools Needed, Preparation for START-UP, Turn Off Main Gas Valve

122-322 specifications

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