3-3
Section 3
Ice Machine Operation
Q130/Q210/Q270 SELF-CONTAINED ICE MACHINES
ENERGIZED PARTS CHART
ICE MAKING SEQUENCE OF OPERATION
CONTROL BOARD RELAYS
RELAY
1
2
3
3A
3B
LENGTH
WATER PUMP
HOT GAS VALVE
RELAY COIL
COMPRESSOR
CONDENSER
∗
FAN MOTOR
of “ON”
TIME
INITIAL START-UP/
START UP AFTER
AUTO SHUT-OFF:
1. Pressure
Equalization
OFF
ON
OFF
OFF
OFF
15
Seconds
2. Refrigeration
System Start-up
OFF
ON
ON
ON
ON
5
Seconds
FREEZE
SEQUENCE:
3. Pre-Chill
OFF
OFF
ON
ON
ON
30
Seconds
4. Freeze
ON
OFF
ON
ON
ON
Until 7 sec.
water contact
with ice
thickness
probe
HARVEST
SEQUENCE:
5. Harvest
OFF
ON
ON
ON
ON
Bin switch
activation
AUTOMATIC
SHUT-OFF:
6. Auto Shut-Off
OFF
OFF
OFF
OFF
OFF
Until
bin switch
re-closes
∗
Condenser Fan Motor:
The fan motor is wired through a fan cycle pressure control, therefore, it may cycle on and off.
Summary of Contents for Q210 series
Page 8: ...1 4 General Information Section 1 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 22: ...3 6 Ice Machine Operation Section 3 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 33: ...4 11 Section 4 Maintenance THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 34: ...4 12 Maintenance Section 4 THIS PAGE INTENTIONALLY LEFT BLANK ...
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