23
Versa Drawer Refrigeration Units
Versa Drawer 2-Drawer Wiring Diagram (2 of 2)
DRA
WER 2
DRA
WER 1
I/O BO
ARD
BO
ARD CONNECT
OR MAP
COMMUNICA
TION CABLE
T
O
DISPLA
Y BO
ARD
I/O T
O
DISP
.
1 T
O
1
2 T
O
2
3 T
O
3
PREFER SHIELDED
TWISTED P
AIR.
1 AND 2
TWISTED
,
3 SHIELD
.
PO
WER T
O
DISPLA
Y BO
ARD
1 – +8V
2 – GR
OUND
I/O T
O
DISP
.
1 T
O
1
2 T
O
2
TEMPERA
TURE SENSORS
SUCTION
PRESSURE
TRANSDUCER
1 – +5V
2 – SIGNAL
3 – COMMON
85–265 V
A
C
50/60 HZ
CONTR
OL PO
WER
J25–A
C HO
T
FOR ALL A
C
LO
ADS
J28
1 – D3 REFG.
SOLENOID
2 – D3 HO
T GAS SOLENOID
3 – D4 REFG.
SOLENOID
4 – D4 HO
T GAS SOLENOID
J27
1 – D1 REFG.
SOLENOID
2 – D1 HO
T GAS SOLENOID
3 – D2 REFG.
SOLENOID
4 – D2 HO
T GAS SOLENOID
J29
1 – D1 FRAME HEA
TER
2 – NC
3 – D2 FRAME HEA
TER
1 – COMMON FOR D1 AND D2 DR
W SWITCHES
2 – D1 SWITCH
3 – D2 SWITCH
4 – COMMON FOR D3 AND D4 DOOR SWITCHES
5 – D3 SWITCH
6 – D4 SWITCH
1 – +12V FOR D1 AND D2 F
ANS
2 – D1 F
ANS RETURN
3 – D2 F
ANS RETURN
4 – +12V FOR D3 AND D4 F
ANS
5 – D3 F
ANS RETURN
6 – D4 F
ANS RETURN
J30
1 – D3 FRAME HEA
TER
2 – NC
3 – D4 FRAME HEA
TER