schwankgroup.com/schwankair
Wiring Diagram - 4000 Series Controller
- Water Heated Models
7
8
9
10
11
12
15
16
17
18
19
20
COM
1
COM 2
ROOM
C2 X5
C1 X4
ROOM X3
Pot. Unit ID
1
2
3
4
5
6
13
14
21
22
ACTUA
TO
R
SUPP
LY
N
L
N
L
PE
L
~
230V~
C2 X5
C1 X4
ROOM X3
Pot. Unit ID
ACTUA
TO
R
SUPP
LY
N
L
N
L
PE
L
~
230V~
C2 X5
C1 X4
ROOM X3
Pot. Unit ID
ACTUA
TO
R
SUPP
LY
N
L
N
L
PE
L
~
230V~
+
-
+
-
C
NC
Controller
Controller External
Board
Door Contact
Switch
Room Temp. Sensor
[Optional]
Controller External
Board
Outdoor Temp.
Sensor
Air Curtain PCB
Air Curtain PCB
Air Curtain PCB
BLK
GRY
RED
BLK
GRY
RED
BLK
GRY
RED
BLK
GRY
RED
Transformer 24V
Actuator 24V
SDM24
SDM24
BUS
D0
D1
Gnd
SIReWTA [optional]
*