Raypak RAYTHERM P-926 User Manual download pdf (Page 26)

After Start-Up

Pilot System Checkout Procedure

. Turn on power to the ignition systems and turn gas

supply off.

2. Check ignition module as follows:

a. Set the thermostat above pool water tempera-

ture to turn heater on.

b. Watch for continuous spark at the pilot burner.

c. Time the spark operation. Time must be with-

in the lockout timing period (15 or 90

seconds).

d. Turn thermostat down to turn off heater and

wait 60 seconds on lockout models before

beginning step 3.

3. Turn on gas supply.

4. Set thermostat above pool water temperature to

turn on heater.

5. Systems should start as follows:

a. Spark will turn on and pilot gas valve will open

at once. Pilot burner should ignite after gas

reaches the pilot burner.

b. Spark ignition should cut off when pilot flame

is established.

c. Main gas valve should open and main burner

should ignite after gas reaches the burner

port.

INSPECTION

PROCEDURES

Burners

Clean main burners and air louvers of dust, lint and

debris. Keep heater area clear and free from com-

bustibles and flammable liquids. Do not obstruct the

flow of combustion and ventilating air. Make visual

check of burner and pilot flame. Yellow flame indicates

clogging of air openings. Lifting or blowing flame indi-

cates high gas pressure. Low flame indicates low gas

pressure.

Feel inlet and outlet pipes. Outlet should be only slight-

ly warmer than inlet. It should not be hot.

CONTROLS

Check all controls to see that they are operational. To

check electric safety turn off main burner. Observe

pilot burner when shutting off pilot gas. Ignition spark

should go on. Main gas valve will also drop out.

Fig. 32: Main Burner Flame

Fig. 33: Pilot Burner Flame

WARNING: Should overheating occur or the gas

supply fails to shut off, turn off the manual gas

control to the appliance.

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Raypak RAYTHERM P-926 User Manual Page 26

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