15
EXTERNAL CONNECTION DIAGRAM FOR
A
T 1200 HB EC
N
N
L1
L1
PE
X1
NO
6
NC
4
C
5
C
3
+24V
10
A
8
B
9
GND
7
+24V
A
B
GND
2
1
Boost*
P1*
2
1
PK1*
CCU*
NO
12
C
11
Br
own
Yello
Whit
e
Gr
een
EXTERNAL CONNECTION DIAGRAM FOR
A
T 1200 HBE EC,
A
T 1200 HBE2 EC
N
N
L3
L3
L2
L2
L1
L1
PE
X1
NO
6
NC
4
C
5
C
3
+24V
10
A
8
B
9
GND
7
+24V
A
B
GND
2
1
Boost*
P1*
2
1
PK1*
CCU*
NO
12
C
11
Br
own
Yello
Whit
e
Gr
een
Designation
Name
Wire type
Note
PK1*
Contact from a fire alarm panel
2 x 0.75 mm
2
Remove the jumper.
CCU*
Cooler control
2 x 0.75 mm
2
3 A, 30 V DC/~250 AC
P1*
External control panel
4 x 0.25 mm
2
Maximum cable length from the
controller to the control panel — 10 m.
Boost*
On/O
ff
contacts of the Boost mode
2 x 0.75 mm
2
*Is not included in the delivery set.
— ELECTRIC SHOCK HAZARD!
The unit can be controlled using a wired wall control panel (A22, A25) and a mobile app (A21).
Control panels and the application can be used together or separately.
The control panel functions and operation of the mobile application are described in the respective user's manuals.
CONTROL
3~400 V/50 Hz
(unit with a drain pump)
3~400 V/50 (60) Hz
(unit without a drain pump)
1~230 V/50 Hz
(unit with a drain pump)
1~230 V/50(60) Hz
(unit without a drain pump)
