Raypak 1000, 500, 750 installation instructions Section O Adb Initial Start-Up

SECTION O: ADB INITIAL START-UP

1.0TOOLS NEEDED

•One 8-0-8 , 16” scale manometer (or larger)

•Three 4-0-4, 8” scale manometers (or larger)

•“T” fitting

•7/16” and 1/2" open end wrenches

•Small and large flat-head screwdrivers

•Volt meter

•Amp probe

•Elec. Dual reading thermometer with strap on sensors

•3/16” Allen wrench

•Remote switch with 12" minimum lead wires (“Monkey” switch)

•Combustion analyzer

2.0 PREPARATION 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	(approx 120 VAC)
Hot - Ground	(approx 120 VAC)
Common - Ground	(< 1 VAC)

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.

2.2 Attach Manometers to Measure Pressures (See Figure: O-1)

•Attach 16" scale manometer to the first main gas shut-off valve pressure tapping, Location (1)

•Attach one 8" scale manometer to the outlet side of the second main gas shut-off valve pressure tapping, Location

(2).

•Attach one 8" scale manometer to the outlet side of pilot gas valve pressure tapping, Location (3).

•Attach one 8" manometer to "T" fitting, air pressure switch, and aluminum tubing, Location (4).

Turn Off Main Gas Valve;

Turn Off Pilot Gas Valve;

Reset Low Gas Pressure Cut-off Switch;

2.3 Bleed Air from Gas Line

CAUTION: Make sure there is no ignition source in the boiler room

•With power off, slightly open union outside the cabinet to bleed air.

•Close union when you smell gas.

•Wait minimum 5 minutes to clear the gas out of the boiler room before continuing.

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