Helmer Scientific i.Series
®
and Horizon Series
™
Refrigerator - Pass-Thru
Service and Maintenance Manual
360429/A
38
8.2 iPR Models; 226 and 458 Configurations with i.Lock
™ Interlock
i.C3 DISPLAY BEZEL
CLEAN ROOM SIDE
C
O
M
2
N
.C
. 2
i.C3 Power PCBA
(iD)
N/L2
L1
F4
Battery
BYPASS
ON
Magnetic Lock
Access Control
(AXb)
C
O
M
2
N
.C
. 2
C
O
M
2
N
.C
. 2
C
O
M
2
N
.C
. 2
Magnetic Lock
Access Control
(AXb)
Magnetic Lock
Access Control
(AXb)
Magnetic Lock
Access Control
(AXb)
MAG #2
MAG #4
DBL DR ONLY
MAG #1
MAG #3
DBL DR ONLY
SW #1
SW #3
DBL DR ONLY
SW #2
SW #4
DBL DR ONLY
ANTE ROOM SIDE
RIGHT SIDE
LEFT SIDE
E
D
I
S
T
F
E
L
E
D
I
S
T
H
G
I
R
FROM
PSU +V
TO
MAG +V
FROM
PSU GND
TO
SW COM 2
FROM CLEAN ROOM SIDE
SW N.C.2
TO ANTE ROOM SIDE
MAG 0v
MAG-1
MAG-2
MAG-3
MAG-4
PSU +V
0v
+V
0v
+V
0v
+V
0v
+V
MAG-4
MAG-2
MAG-3
MAG-1
FROM ANTE ROOM SIDE
SW N.C.2
TO CLEAN ROOM SIDE
MAG 0v
DBL DR ONLY
DBL DR ONLY
DBL DR ONLY
DBL DR ONLY
KEY SWITCH
+VDC
GND
Ante Room
Clean Room
THESE DRAWINGS AND SPECIFICATIONS ARE THE SOLE PROPERTY OF HELMER INC. AND SHALL NOT BE REPRODUCED OR
USED AS THE BASIS FOR MANUFACTURE OR SALES OF APPARATUS WITHOUT THE APPROVAL OF HELMER INC.
SW-1
SW-2
SW-3
SW-4
PSU 0V
MAG-1
SW-2
MAG-3
SW-4
SW-1
MAG-2
SW-3
MAG-4
1
2
3
4
5
6
1
2
3
4
1
2
3
4
1
2
3
4
5
6
i.Series
