Form No. Z2255
Rev. 08.22.06
8300 West Good Hope Road • Milwaukee, WI 53223 • Phone 414-353-7060 • Fax 414-353-7069
Toll Free 800-558-5592 • E-Mail: Perlick@Perlick.com • www.Perlick.com
Perlick is committed to continuous improvement. Therefore, we reserve the right to change specifications without prior notice.
Wiring Diagram – Single Door Freezer
PLUG-IN-CORD
WHITE
WHITE
EVAP
FAN
COND
FAN
DEFROST
TEMP. LIMIT
SWITCH
OPEN
@ 40° F
CLOSE
@ 25° F
NORMAL CLOSED
HOT GAS DEFROST
SOLENOID
DEFROST CYCLE:
1) AFTER 220 MINUTES:
• A2 OPENS.
• B1 CLOSES.
• HOT GAS VALVE OPENS.
• ON DELAY RELAY CONTACT
CLOSES 1 TO 2, IN 3 MINUTES.
• THERMOSTAT IS BYPASSED.
• COMPRESSOR RESTARTS AFTER
3 MINUTES FOR HOT GAS DEFROST.
2) LIMIT SWITCH OPENS AT 40° F:
• COMPRESSOR POWER OFF.
• HOT GAS REMAINS ENERGIZED.
3) AFTER 20 MINUTES:
• B1 OPENS.
• HOT GAS VALVE IS DE-ENERGIZED.
• A2 CLOSES.
• COMPRESSOR STARTS THROUGH
TEMPERATURE CONTROL.
A2 RED
RED
TEMPERATURE
CONTROL
WHITE
WHITE
INTERNAL
CONNECTIONS
BLACK
BLACK
B (POWER)
S.P.S.T. MOMENTARY
CONTACT DEFROST SWITCH
W/ INDICATOR LIGHT
ON DELAY
RELAY
T15
T14
B1B2
A
A2
A1
T11
T12
T13
1
S.S. TIMER
RELAY
RELAY
3
3
3
2
2
2
1
6
5
4
4
W
B
TO CONDENSING
UNIT