Delfield SSR2-SH Installation Manual Page 13

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Supremacy Series
®
Reach-Ins Service and Installation Manual
For customer service, call (800) 733-8829 or (800) 723-8948, Fax (989) 773-3210, www.deleld.com
12
Supremacy Series
®
Reach-Ins Service and Installation Manual
13
For customer service, call (800) 733-8829 or (800) 723-8948, Fax (989) 773-3210, www.deleld.com
Programming Example
Defrost Cycle
Time Time
1 2 3 4 1 2 3 4
40 Minute Duration 6 Hour Frequency
Typical Sequence of Operation
Period
Frost Build Time 40 Min
Compressor
Defrost terminated by
Defrost time or temperature
6 Hour Cycle
Next cycle begins
DEFROST TIMER PROGRAMMING GUIDE (1 DOOR MODELS)
A (2) 4 position dip switch provides user control of defrost
duration and cycle time. The selection is as follows.
Defrost Time
Dip Switch
Setting min
off off off off void
on off off off 5
off on off off 10
on on off off 15
on on off on 20
on off on off 25
off on on off 30
on on on off 35
off off off on 40
on off off on 45
off on off on 50
on on off on 55
off off on on 60
*Factory settings are highlighted.
Cycle Time
Dip Switch
Setting hrs
off off off off void
on off off off 2
off on off off 4
on on off off 6
on on off on 8
on off on off 10
off on on off 12
on on on off 14
off off off on 16
on off off on 18
off on off on 20
on on off on 22
off off on on 24
O
N
O
N
Defrost timer
NOTE: Dip switches shown in preset positions.
PURPLE
WHITE
COMPRESSOR
LINE N/O
BROWN
BLACK
BLACK
YELLOW
DEFROST
LINE N/O
N
P1
CYCLE
TIME
DEFROST
TIME
DEFROST
INITIATE
DEFROST ON
INITIATE
X
P2
CR
P3
1 2 3 4
O
N
PB
LED
1 2 3 4
O
N
*Factory settings are highlighted.
NOTE: There is no time adjustment for one door models.
Operation (One door models): The electric defrost controller
is preset at the factory to provide a defrost cycle every 6
hours (4 defrosts per day). If it is necessary to change the
number of defrosts due to unusual operating conditions, it can
be accomplished by adjusting switches 7, 8 and 9 as shown
above.
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