Preferred JC-22D2 - Terminal Layout and Wiring Diagrams; Wiring Diagrams Sheet 1 of 3

SDI-JC-22D2 rev. 11-1-21 page 8 of 22
Terminal Layout and Wiring Diagrams
Wiring Diagrams Sheet 1 of 3
L1
L1
N
N
4
3
2
1
8
7
6
5
50
48
46
44
42
40
38
36
34
32
49
47
45
43
41
39
37
35
33
31
Main
Board
USB
Ethernet
3.15A
Slo Blo
N
19
18
17
16
15
14
9
13
12
11
10
60
59
58
57
56
55
54
53
52
51
Future
Rmt I/O
Aux
Board
USB
2A
Slo Blo
20
Low Voltage DC terminals
31
+24 Vdc
32
2.5Vref
33
DC -
34
AIN 1
35
+24 Vdc
JC-22XMTR term 1, 4-20mA "+"
36
AIN 2
JC-22XMTR term 2, 4-20mA "-"
37
+24 Vdc
38
AIN 3
39
DC -
40
AOUT 1
41
DC -
42
AOUT 2
Damper (or VSD) 4-20mA Command
43
DC -
Damper (or VSD) 4-20mA Command
44
DC DIN 1
Remote Alarm Silence
45
RS485 A+
46
DC DIN 2
Burner at Purge Position
47
RS485 B-
48
DOUT 1
49
RS485 Com
50
DOUT 2
51
+24 Vdc
52
2.5Vref
Actuator Feedback Pot Closed
53
AIN 3
Actuator Feedback Pot Wiper
54
DC -
Actuator Feedback Pot Open
55
+24 Vdc
Burner Firing Rate, Vdc or mA
56
AIN 4
Burner Firing Rate, Vdc or mA
57
DC -
Burner Firing Rate, Vdc or mA
58
future
59
future
60
future
Line Voltage AC terminals
N
N
N
N
L1
L1
L1
L1
1
ROUT 1 NO
Common Alarm
2
ROUT 1 C
Common Alarm
3
ROUT 1 NC
4
ROUT 2 NO
5
ROUT 2 C
6
ROUT 2 NC
7
AC DIN 1
Burner at Purge Position
8
AC DIN 2
Fan Starter Energized
9
ROUT 3 NO
Fan Start Delay Contacts
10
ROUT 3 C
Fan Start Delay Contacts
11
ROUT 4 NO
Adj Start at Position
12
ROUT 4 C
Adj Start at Position
13
AC DIN 3
Fuel Valve Energized
14
AC DIN 4
Fuel 2 Select
15
AC DIN 5
Operating Limits Made
16 Close Triac Damper Actuator x Vac CLOSE Cmnd.
17 Open Triac Damper Actuator x Vac Open Cmnd.
18
Triac Power
Input
Actuator 24-120Vac Power Input
19 Actuator Neutral
20
Fused 120 Vac
Output
N
N