14
ELECTRIC FURNACE PRESTART CHECKLIST
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1. REMOVE PACKING MATERIALS FROM LEFT SIDE OF BLOWER
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2. CONFIRM DIP SWITCH SETTINGS AS FOLLOWS
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3. DISCHARGE AIR SENSOR INSTALLED AFTER A/C COIL
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4. LOW HEAT/HIGH SELECT SWITCH SET TO HIGH HEAT. (UNLESS
OTHERWISE SELECTED)
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5. INITIATE CALL FOR HEAT.
ELEMENT LEDS ILLUMINATE AS ELEMENTS TURN ON,
FAN MOTOR SPEED INCREASES AS ELEMENTS TURN ON
RECORD FULL AMP DRAW AT FULL POWER
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6. CANCEL CALL FOR HEAT
ELEMENT LEDS TURN OFF.
APPROXIMATELY 1 MINUTE LATER, FAN TURNS OFF
(PROVIDED THAT CONTINUOUS FAN HAS NOT BEEN SELECTED)
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7. INTERRUPT POWER TO OUTDOOR CONDENSOR.
INITIATE CALL FOR COOLING,
ONCE FURNACE FAN IS RUNNING, CONFIRM 24 VOLT OUTPUT AT Y
AND C AT COMP RELAY
RECONNECT POWER TO CONDENSOR IF TEST SUCCESSFUL
NOTE: MAIN CONTROL DELAY INTERVAL BETWEEN COOLING
CYCLES MAY DELAY COOLING RESTART UP TO 5 MINUTES.
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8. CANCEL CALL FOR COOLING
APPROXIMATELY 1 MINUTE LATER, FAN TURNS OFF
(PROVIDED THAT CONTINUOUS FAN HAS NOT BEEN SELECTED)
14
Summary of Contents for ALPHA
Page 9: ...9 Fig 2 MAIN CONTROL BOARD ...
Page 11: ...11 Fig 4 ...