Procom EL250RYLB-O Operating Heater, Operations Of Key-Presslocking, Operations Of Fan, Continued

OPERATING HEATER

Continued

3.After completion of the above-men- tioned two steps, the transmitter is kept in a state of readiness. If the appliance doesn’t working for a period time, just pull out the plug from the 110V electrical outlet.

￿OPERATIONS OF￿

KEY-PRESS LOCKING

1.Key press locking:

when the burner is in operation or the transmitter is in a state of readiness, just press LOCK button on the operating panel, there will be a “” symbol on the LCD. If any button is pressed now, the burner will not react at all.

2.Key-press unlocking:

when the burner is in a state of key-press locking, first press ¨‹, then press LOCK button to unlock it (Child proof-See Fig16)

￿OPERATIONS OF￿

FAN

There are three selections: “AUTO” “MAN” and “OFF”.When pushing the “FAN” button on the “AUTO” select, the fan will be controlled by the thermostat on the fan blower unit. On the “MAN” select, the fan will be kept in operation.To stop the operation, push the “FAN”button to “OFF”select.(See Fig16)

INSPECTING BURNERS

C h e c k p i l o t f l a m e p a t t e r n a n d burner flame patterns often.

PILOT FLAME PATTERN

Figure 17 shows a correct pilot flame pattern. Figure 18 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple.This will cause the thermocouple to cool. When the thermocouple cools, the heater will shut down.

If	pilot flame pattern is incorrect, as shown
in	Figure 14:
	t u r n h e a t e r o f f ( s e e To Tu r n
	Off Gas to Appliance, page 9)
	see Troubleshooting (pages 12
	through 13).

BURNER FLAME PATTERN

Figure 19 shows a correct burner flame pattern. Figure 20 shows an incorrect burner flame pattern. If burner flame pat- tern is incorrect:

turn heater off (see To Turn Off Gas to Appliance, page 9) see Troubleshooting, pages 12 through 13

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CLEANING AND MAINTENANCE

WARNING: Disconnect power be-

fore attempting any maintenance or cleaning to reduce the risk of fire , elec- tric shook or personal injury. Turn off heater and let cool before cleaning.

CAUTION:Label all wires prior to disconnection when servicing

controls. Wiring errors can cause

improper and dangerous operation. Verify proper operation after servicing.

DISCONNECT WIRNG OR CONTROL MODULE

1.Remove four screws from the rear control panel , take out thermostat sensing bulb from the clip, then disco- nnect the wires to free to control module from its mounting location . Note: Do not confuse the mark on the each wire.

2.Remove two screws and hex nuts, take out the control module. When in-

stalling , reverse the steps above. (See Figure 22 and Figure 25 )

Figure 22- Control ModelDISCONNECT FAN

1.Remove screws from the fan bracket panel , pull the fan bracket panel out to remove. Then disconnect two wires free to fan.

2.Mark or tag each wire removed for its exact reconnection. Remove the four

screws from the fan .when installing , reverse the steps above.(See Figure23 and Figure 25)

Figure 23- Fan

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