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2 Chromalox 8003 User's Manual
Warnings:
• When a relay output is used to drive an inductive
load, it is suggested that you connect an external
snubber network (RC) across the terminals in
accordance with the following table (or use
Chromalox snubber P/N 0149-01305):
• Do not run sensor input wires together with power
cables.
• For thermocouple (TC) wiring, use matching
thermocouple extension wire (i.e. for J T/C, use type
“J” thermocouple extension wire).
• When using shielded sensor cable, ground the shield
at one end only.
Wiring
12
13
14
15
16
17
18
19
20
21
22
PWR
Line
RTD
-
+
C
NC
-
+
1
TC
3
4
5
6
7
8
9
10
11
C
(mF)
0.047
0.1
0.33
R
(Ω)
100
22
47
P.
(W)
1/2
2
2
Operating
Voltage
260 Vac
260 Vac
260 Vac
Load
Current (mA)
<40 mA
<150 mA
<0.5 A
OUT2
SSR
AL1/COOL
OUT2
RELAY
AL1/COOL
OUT1
SSR
OUT1
RELAY
OUT3
AL2
RELAY
TC+
TC-
NO
NO
C
NO
C
8003 Manual 4/27/06, 2:24 PM2