Helmer Scientific i.Series
®
and Horizon Series
™
Freezer - Undercounter
Service and Maintenance Manual
360417/A
66
14 Horizon Series Parts
Notes
• Before replacing parts, protect items in freezer from extended exposure to adverse temperature.
• Allow freezer temperature to stabilize at setpoint after replacing parts or after extended door opening.
• 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
A
Temperature chart recorder
500613-1
115
E
Membrane
370225-1
500616-1
230
Not shown
Control/Monitor interface cable
401796-1
Not shown
Chart paper
(52 sheets)
220419
-
F
Access Control keypad
800007-1
Chart recorder back-up battery
120218
-
G
Back-up battery key switch
(optional Access Control)
120754
B
Door handle
220426
-
H
AC power switch
120478
Not shown
Magnetic lock
(optional Access Control)
* right hinged
**left hinged
401882-2-068*
-
I
Alarm disable key switch
-
401882-1-068**
-
J
Monitoring system back-up battery
120399
C
Caster - swivel with brake
220380
-
K
Circuit breakers
(7 A; quantity 2)
-
Casters
(includes 4 casters and hardware)
400819-2
-
L
Back-up battery
(optional Access Control)
121018
D
Display circuit board assembly
801016-1
-
M
Hinge assembly
220708
F
A
K
G
I
H
J
L
M
C
B
D
E
Horizon Series