Helmer Scientific i.Series
®
and Horizon Series
™
Freezer - Undercounter
Service and Maintenance Manual
360417/A
68
DANGER
Risk of fire or explosion. Flammable refrigerant used. To be repaired only by trained service personnel. DO NOT puncture
refrigerant tubing.
• Disconnect unit from AC power before accessing the electrical compartment.
Note
Circuit boards are sensitive to static electricity and can be damaged by electrostatic discharge. Use proper ESD
precautions when handling the board.
Letter
Description
Part Number
Volts
Letter
Description
Part Number
Volts
A
Back-up battery
(optional Access Control)
121018
-
H
Condensing Unit
(includes condenser and compressor)
801061-1
115
B
Power supply board
800916-1
-
801062-1
230
C
Control board
801015-1
-
I
Drain line heater
402301-1
115
D
Condenser fan motor
801079-1
-
402302-1
230
E
Compressor
-
-
J
Remote alarm contacts
-
-
F
Compressor inverter
801063-1
115
K
Power cord
120630
115
801064-1
230
L
Back cover
-
-
G
Defrost Solenoid
-
-
M
Drain tube
-
-
N
Condensate evaporator tray
-
-
E
B
C
D
F
K
J
M
N
A
H
I
L
Horizon Series
G