Helmer Scientific i.Series
®
and Horizon Series
™
Refrigerator - Pass-Thru
Service and Maintenance Manual
360429/A
35
NOTICE
Disconnect the refrigerator from AC power before opening the electrical box.
Note
The i.C
3
control board is sensitive to static electricity and can be damaged by electrostatic discharge. User proper ESD
precautions when handling the board.
Letter
Description
Model
Part
Number
Letter
Description
Part
Number
Volt
A
Compressor
226
801101-1
I
Lighting power supply
120624
-
458
801109-1
J
Backup battery switch
120202
-
B
Compressor Inverter
-
801102-1
K
Interlock key switch
-
-
C
Condenser fan motor
-
120985
L
USB port
120633
-
D
Monitoring system backup battery
-
121018
M
RJ-45 Ethernet port
-
-
E
Power receptacle
-
-
N
Remote alarm contact
-
-
F
Circuit Breaker
(9A)
-
121122
O
i.C
3
control board
800034-4
-
G
Main power switch
-
120478
Not
Shown
Power cable
120630
115
H
Power supply board
-
800916-1
i.Series
A
B
D
K
F
E
C
H
I
O
N
M
L
G
J