
POWER CONNECTION
Connect the power supply cable to terminal block X1
as illustrated.
Tightening torque for earth cable: 0,5-0,6 Nm.
X1
N
L
1
2
Externt
ProduktNamn
PCS 44
External
CONNECTING SENSORS
Use cable type LiYY, EKKX or similar.
FLOW TEMPERATURE SENSOR, COOLING
(BT64)
Connect the flow temperature sensor to AA5-X2:21-22.
RETURN LINE SENSOR, COOLING (BT65)
Connect the return line sensor to AA5-X2:19-20.
EXTERNAL BLOCKING
A contact (NO) can be connected to AA5-X2:23-24 to
block cooling operation. When the contact closes, cool-
ing operation is blocked.
24
20
21
22
23
15
16
17
18
19
13
14
AA5-X2
BT65
External
Unit box
External blocking
BT64
Caution
The relay outputs on the accessory board can
have a max. load of 2 A (230 V) in total.
CONNECTION OF THE CIRCULATION PUMP
(GP10)
Connect the circulation pump (GP10) to AA5-X9:2
(230 V), AA5-X9:1 (N) and X1:3 (PE).
3
2
1
4
3
2
1
Unit box
External
GP10
AA5-X9
X1
L
N
PE
CONNECTION OF THE SHUNT VALVE
MOTOR (QN18)
Connect the shunt motor (QN18) to AA5-X9:6 (230 V,
open), AA5-X9:5 (N) and AA5-X9:4 (230 V, close).
1
2
3
4
5
6
7
8
9
Red
Blue
Black
Open
Close
QN18
Unit box
External
AA5-X9
N
DIP SWITCH
The DIP switch (S2) on the accessory card (AA5) must
be set as follows.
ON
1
2
3
4
5
6
7
8
RELAY OUTPUT FOR COOLING MODE
INDICATION
It is possible to have an external indication of the cooling
mode through relay function via a potential-free variable
relay (max 2 A) on the input board (AA3), terminal block
X7.
If cooling mode indication is connected to terminal block
X7, it must be selected in menu 5.4
PCS 44 F-series | GB
86
F