Amana GUIA Series Service Instructions Manual page 79

SYSTEM OPERATION
HEATING TIMING CHART FOR WHITE-RODGERS 50A55 AND HEATCRAFT HSI-2
Air Circulator Blower
Gas Valve
Ignitor
Pressure Switch
Induced Draft Blower
Thermostat
(Call for Heat)
Seconds
COOLING TIMING CHART FOR WHITE-RODGERS 50A55 AND HEATCRAFT HSI-2
Indoor Fan
Outdoor Fan
and
Compressor
Thermostat
INTEGRATED IGNITION CONTROL OPERATION
ON
OFF
OPEN
CLOSED
ON
OFF
CLOSED
OPEN
ON
OFF
ON
OFF
0
Ignitor
Warm Up Period
(see note)
NOTE: HEATCRAFT INTEGRATED CONTROL MODULE HAS A FIXED
STANDARD SEVEN-SECOND IGNITER WARM UP PERIOD
(MINI IGNITER).
WHITE-RODGERS INTEGRATED CONTROL MODULE HAS A
VARIABLE STANDARD IGNITER WARM UP PERIOD BETWEEN
A 17-SECOND MAXIMUM AND A FIVE-SECOND MINIMUM.
INTEGRATED IGNITION CONTROL OPERATION
ON
OFF
ON
OFF
ON
OFF
Seconds 0 5
t t
circ
ign
Fixed eEat
on Delay:
30 Seconds
0
15
0 45
60,90,
120 or
180
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