13
Versa Drawer™ Refrigeration Units
Delfield · 980 S. Isabella Road, Mt. Pleasant, MI 48858 · (989) 773-7981 or (800) 733-8829 · Fax (989) 773-3210
4-Drawer Wiring Schematic
G
L1
DISPL
AY BO
ARD
SEE BO
ARD C
ONNECT
OR
FOR PIN C
ONNECTION
I/O BO
ARD
DET
AILS
I/O BOARD
2-GR
OUND
I/O BO
ARD
PO
WER T
O
1-+8V
N
DISP
. T
O I/O
J1
PREFER SHIELDED T
WISTED
PAIR.
1 AND 2 T
WISTED
,
C
OMMUNIC
ATION C
ABLE
DISP
. T
O I/O
TO I/O BO
ARD
1 T
O 1
2 T
O 2
3 T
O 3
3 SHIELD
.
2 T
O 2
1 T
O 1
1
1
J2
C
ONTR
OL
PO
WER
J18
J19
B
OX
1
J11
J1
J3
B
OX
C
OIL
J2
D1
C
OIL
J4
D2
3
6
1
J23
1
4
5
2
4
1
J22
C
OND 2
B
OX
J5
J7
B
OX
J6
D3
C
OIL
J8
D4
C
OIL
J10
C
OND 1
J9
OUT
J36
OUT
IN
C
OMP 1
J11
SP1
J35
IN
J34
1
SP2
J26
C
OMP 2
1
J24
A
C HO
T
24
26
J33
J25
J32
1
2
C
OND F
AN
J28
D3 &
D4 V
AL
VES
1
33
25
32
14
17
18
13
12 VDC
MTR
BO
X 2
35
BO
X 1
HEA
TER
SWIT
CH
12 VDC
DR
A
WER LIMIT
EV
AP
. F
ANS
7
1
2
MTR
MTR
8
34
DR
A
WER FR
AME
PR
OBE
PR
OBE
EV
AP
. TEMP
.
BO
X TEMP
.
1
3
MTR
DR
A
WER LIMIT
DR
A
WER FR
AME
EV
AP
. TEMP
.
EV
AP
. F
ANS
12 VDC
SWIT
CH
7
MTR
9
HEA
TER
PR
OBE
PR
OBE
BO
X TEMP
.
BO
X 3
4
MTR
10
9
1
8
7
11
12
J31
1
34
J29
1
J30
36
35
37
D1 &
D2 V
AL
VES
J27
1
11
16
12
15
DR
A
WER LIMIT
DR
A
WER FR
AME
EV
AP
. TEMP
.
12
EV
AP
. F
ANS
SWIT
CH
DR
A
WER LIMIT
5
10
11
36
HEA
TER
DR
A
WER FR
AME
EV
AP
. TEMP
.
BO
X 4
10
PR
OBE
PR
OBE
BO
X TEMP
.
6
4
EV
AP
. F
ANS
12 VDC
MTR
MTR
SWIT
CH
37
HEA
TER
BO
X TEMP
.
PR
OBE
PR
OBE
1- COMMON FOR D1 AND D2 DRW SWITCHES
6-D4 SWITCH
3-D2 SWITCH
5-D3 SWITCH
1-D3 FRAME HEATER
3-D2 FRAME HEATER
1-D1 FRAME HEATER
4- COMMON FOR D3 AND D4 DOOR SWITCHES
2-D1 SWITCH
3-D2 REFG SOLENOID
2-D1 HOT GAS SOLENOID
1-D1 REFG SOLENOID
1-D3 REFG SOLENOID
4-D2 HOT GAS SOLENOID
4-D4 HOT GAS SOLENOID
3-D4 REFG SOLENOID
2-D3 HOT GAS SOLENOID
3-D4 FRAME HEATER
SP2
J34
SOLENOID
SOLENOID
HO
T GAS
DR
A
WER ONE
SOLENOID
SOLENOID
HO
T GAS
DR
A
WER THREE
12
16
DR
A
WER T
WO
HO
T GAS
SOLENOID
SOLENOID
REFG.
REFG.
14
18
33
DR
A
WER FOUR
HO
T GAS
SOLENOID
SOLENOID
REFG.
C
OND
. F
AN 1
MTR
REFG.
PAIR. 1 AND 2 TWISTED,
PREFER SHIELDED TWISTED
11
15
1 TO 1
3 TO 3
2 TO 2
3 SHIELD.
I/O TO DISP.
BOX
13
17
COND 2
COIL
COND 1
BOX
COIL
J9
COIL
COIL
D3
BOX
J5
D1
J6
BOX
1
J1
J11
J2
BOX
J10
D4
J36
COIL
BOX
J7
D2
J8
COIL
J35
J3
J4
32
MTR
BL
A
CK (C
OM)
25
WHITE (
V
OUT
)
RED (
VDC IN)
FOR C
OMP 1
C
OMPRESSOR 1
MTR
TR
ANSDUCER
PRESSURE
NSK
C
OND
. OUT 1
TEMP
. PR
OBE
C
OND
. IN 1
C
OND
. F
AN 2
TEMP
. PR
OBE
26
WHITE (
V
OUT
)
BL
A
CK (C
OM)
RED (
VDC IN)
MTR
C
OMPRESSOR 2
FOR C
OMP
. 2
PRESSURE
TR
ANSDUCER
NSK
TEMP
. PR
OBE
TEMP
. PR
OBE
C
OND
. OUT 2
C
OND
. IN 2
D3 & D4 VALVES
AC HOT
1
SP1
1
COMP 2
COMP 1
COND FAN
1
2
FOR ALL AC
J25-AC HOT
J24
2- SIGNAL
3- COMMON
J11
J26
TRANSDUCER
SUCTION
PRESSURE
1- +5V
LOADS
J32
J25
J33
D1 & D2 VALVES
1
1
J30
J28
J27
J28
J27
1
2-NC
TEMPERATURE SENSORS
COMMUNICATION CABLE
TO DISPLAY BOARD
CONTROL POWER
85-265 VAC
50/60 HZ
BOARD CONNECTOR MAP
J19
J18
I/O TO DISP.
1
J23
1 TO 1
2 TO 2
POWER TO
2-GROUND
DISPLAY BOARD
1-+8V
5-D3 FANS RETURN
J29
J22
6-D4 FANS RETURN
4
1
1
J31
1
2-NC
J29
1-+12V FOR D1 AND D2 FANS
4-+12V FOR D3 AND D4 FANS
2-D1 FANS RETURN
3-D2 FANS RETURN