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C1473SM-C (4/07) 9
Figure 2. EH2500 Series Wiring Diagram
Table B. EH2500 Series Wiring Diagram Parts List
Item Qty Description Part Number
1 1 Connector, three-pin plug CN16-1820-0003
2 1 Connector, three-pin cap CN16-5821-0003
3 1 Connector, two-pin plug (camera power) CN16-1820-0002
4 1 Connector, two-pin cap CN16-2821-0002
5 1 Dual-element window heater,120 VAC HT71-0012-204
1 Dual-element window heater, 24 VAC HT72-0022-204
1 Dual-element window heater, 230 VAC HT73-0032-204
6 1 Terminal bracket EH2584901COMP
7 1 Thermostat TH01-6040-0101
8 1 Thermostat TH01-8570-0100
9 1 Terminal block, four-position TB05-0417-0001
10 N/A ZH4LWSIS
11 4 4-40 x 1/4-inch,
Phillips pan head screw and lock washer
ZH01-2001-0403
12 2 4-40 x 3/8-inch,
Phillips pan head screw and lock washer
ZH01-2001-0405
13 2 Screw, 6-32 x 5/8-inch, socket head, cap ZH6-32X.625CS
-- 1 6-32 thumbnut (not shown) ZH6-32THUMNUT
5
12
9
13
4
3
6
11
7
4
1
2
PIN 1
PIN 2
PIN 3
PIN 2
PIN 1
PIN 2
PIN 1
PIN 1 RED WIRE (NEUTRAL)
PIN 2 BLACK WIRE
PIN 3 WHITE WIRE
HEATING
ELEMENT
POWER
TERMINAL 4 (AC LOW)
TERMINAL 3 (AC HIGH)
INPUT
POWER
ENCLOSURE
INPUT
POWER
CAMERA
TERMINAL 2
TERMINAL 1
CAMERA
POWER
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