SECTION 9
9-19
01/01/2014
IF VOLTAGE IS PRESENT THE IGNITION FIRING LIGHT
(DS25) IS DEFECTIVE, REPLACE.
C2C. CHECK FOR VOLTAGE ON TERMINAL #6 (THERE WILL BE A 4
TO 5 SECOND DELAY BEFORE VOLTAGE WILL BE PRESENT ON
TERMINAL #6). IF VOLTAGE IS NOT PRESENT ON TERMINAL
#6 THE FLAME CONTROL (FC3) IS DEFECTIVE, REPLACE.
IF VOLTAGE IS PRESENT THE IGNITION FIRING LIGHT
(DS26) IS DEFECTIVE, REPLACE.
C2D. CHECK FOR VOLTAGE ON TERMINAL #7 (THERE WILL BE A 4
TO 5 SECOND DELAY BEFORE VOLTAGE WILL BE PRESENT ON
TERMINAL #7). IF VOLTAGE IS NOT PRESENT ON TERMINAL
#7 THE FLAME CONTROL (FC4) IS DEFECTIVE, REPLACE.
IF VOLTAGE IS PRESENT THE IGNITION FIRING LIGHT
(DS27) IS DEFECTIVE, REPLACE.
D1.
CHECK FUEL SUPPLY TO DRYER, CHECK GAS PRESSURE, AND
MANUAL VALVES "OPEN" ON DRYER. NOTE: ON L.P. UNITS
ARE MANUAL VALVES OPEN AT TANK?
D2. REMOVE STRAINER AND CLEAN. (L.P. UNITS ONLY)
D3.
TEST SHOULD BE PERFORMED WITH POWER "OFF" TO DRYER
.
INSPECT COILS (SOL1, SOL2) FOR BAD CONNECTIONS
INSIDE COIL CASES OR DISCONNECT EACH COIL
SEPARATELY AND CONNECT TO AN OUTSIDE 120 VOLT
SOURCE AND LISTEN FOR THE VALVE TO PULL IN, IF NOT
PULLING IN, THE COIL IS DEFECTIVE, REPLACE.
D4.
ADJUST REGULATOR FOR 12 POUNDS OF GAS PRESSURE ON
L.P. UNITS AND 10 POUNDS ON NATURAL GAS UNITS. IF
NO PRESSURE IS PRESENT CALL YOUR LOCAL SUPPLIER.
D5A. INSPECT BURNER(S) FOR PLUGGED HOLES AND CLEAN.
(BURNER HOLES ARE 5/64" DIAMETER). IF BURNER HOLES
ARE OPEN IT MAY BE NECESSARY TO REMOVE AND VACCUM
INSIDE OF BURNER USING A SHOPVAC CONNECTED TO FUEL
INLET HOLE.
D5B. WATER IN BURNER(S) - IT'S POSSIBLE OVER THE OFF
SEASON THAT WATER HAS GOTTEN INTO THE BURNER RING.
REMOVE PIPE PLUG LOCATED ON FUEL TRAIN OUTSIDE
BURNER DRUM.
D6.
CHECK FOR LOOSE OR BROKEN FITTINGS AND PIPE FROM
VALVE ASSEMBLY TO BURNERS.
D7A. TO D10A. INSPECT IGNITION PLUG FOR CARBON BUILDUP ON
ELECTRODES, CHECK GAP 1/8" TO 3/16", AND INSPECT
IGNITION WIRE FOR TIGHT CONNECTIONS AND CONDITION
OF WIRE. IF DEFECTIVE, REPLACE AS REQUIRED.
D7B. TO D10B. REMOVE TRANSFORMER, IGNITION WIRE AND IGNITION
PLUG FROM DRYER. CONNECT 120 VOLTS TO IGNITION
TRANSFORMER WITH IGNITION PLUG AND WIRE CONNECTED.
Summary of Contents for DPX12T
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Page 30: ...Page 6 05 06 13 Alarm Limit Indication Error Messages ...
Page 31: ...Page 7 05 06 13 ...
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Page 55: ...Page 17 Moisture Control All Models 6 21 2012 ...
Page 56: ...Page 18 Moisture Control All Models 6 21 2012 Alarm Limit Indication Error Messages ...
Page 57: ...Page 19 Moisture Control All Models 6 21 2012 ...
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Page 66: ...SECTION 7 7 1 1 13 2010 GRAIN SHRINKAGE TABLE SHRINKAGE WHEN GRAIN IS DRIED TO THESE LEVELS ...
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