Oxygen 8 C20 - Field Wiring: Electric Preheat Wiring

40
DRAWING TITTLE:
DRAWING NUMBER:
SCALE: SIZE: SHEE T:
DR AWN BY :
APPROVED:
IP
2021-04-20 NTS 8" x 11.5" 1 of 1
NOVA/ FIELD WIRING/ELECTRIC PRE-HEAT
028-05-0012-03
DATE:
1.0
REVISION:
CONTROLLER:
OJ
Controller Details
Wiring Diagram
1
T1
24VAC
OJ AIR2 MASTER
N
T ER MI N ALS 20 TO 37
T ERMI N AL S 1 TO 19
b lk
OJ AIR2 MASTER
2
24VA C
16
17
18
19
T in 1
T in 2
A
B
C
RS485
RS485
RS485
Legend
Factory wired
Communication/ RJ12
Enclosed unit
Fiel d wiri ng requ ired
GND
G ND
Refer to standard wiring
diagrams for panel wiring details.
20
21
22
23
Ao ut 1
Ao ut 2
Ao ut 3
24
25
D ou t1
26
27
D ou t2
28
29
D ou t3
30
31
D ou t4
32
33
D ou t5
34
35
D ou t6
36
37
D ou t4
SCR CONTROL
D21-PSSR OR D35
-
+
0-10 V
input
D21-PSSR OR D35
-
+
0-10 V
input
G ND
PRE-HEAT CONTROL
SSR HE ATER
NOTE: Refer to standard wiring diagrams for default controls wiring.
T THT TH
SUPP LY AIR TEMPERATURE
(Whe n optional R em ot e D uct Moun t T empe ratu re S ens o r
T TH-6202 and/or Humidity+Temp HTH Sensor is Provided)
HTHHTH
AIR HUMIDITY/TEMPERATURE
6.12 Field Wiring, Electric Preheat Wiring