Nibe HPAC S40 Installateurhandbuch Seite 26

CONNECTION OF SENSORS AND EXTERNAL
BLOCKING
Caution
The relay outputs on the accessory board can have
a max load of 2 A (230 V) in total.
Blocking accessory
A contact (NO) can be connected to AA5-X2:19-20 to block
the accessory. When the contact closes, the accessory is
blocked.
External blocking
External
AA25
24 23 22 21 20 19 18 17 16 15 14 13
AA5-X2
Passive cooling
A contact (NO) can be connected to AA5-X2:23-24 to allow
blocking of passive cooling operation. When the contact
closes, passive cooling is blocked.
External blocking
External
AA25
24 23 22 21 20 19 18 17 16 15 14 13
AA5-X2
Active cooling.
A contact (NO) can be connected to AA5-X2:21-22 to allow
blocking of active cooling operation. When the contact
closes, active cooling is blocked.
External blocking
External
AA25
24 23 22 21 20 19 18 17 16 15 14 13
AA5-X2
26
EXTERNAL SUPPLY TEMPERATURE SENSOR
(EB100-BT25)
If an external heat source or buffer vessel (UKV) is used, the
external supply temperature sensor (BT25) has to be con-
nected to your compatible heat pump. See the Installer
Manual for the heat pump.
NOTE
The sensor has controlling functions for cooling
and heating.
EXTERNAL RETURN LINE SENSOR
(EB100-BT71)
If an external heat source or buffer vessel (UKV) is used, the
external supply temperature sensor (BT71) has to be connec-
ted to your compatible heat pump. See the Installer Manual
for the heat pump.
CONNECTION OF CIRCULATION PUMP, IF ANY
(EQ1-GP10)
An external circulation pump (GP10) for the climate system
can, if necessary, be connected to HPAC S40.
Connect the circulation pump (GP10) to AA5-X9:8 (230 V),
AA5-X9:7 (N) and X21:5 (PE).
HPAC S40
9
8
7
6
5
4
3
2
1
AA5-X9
X21
RELAY OUTPUT FOR ADDITIONAL COOLING
When there is more cooling demand and all compressors in
cooling operation have engaged and the degree minutes for
cooling have reached their maximum limit, there is the option
to connect additional cooling. A contact (NO) can be connec-
ted to AA5-X9:5-6 to be able to activate additional cooling.
When the contact is closed, additional cooling is activated.
HPAC S40
AA5-X9
1
2
3
4
5
6
7
8
9
External
L
N
PE
GP10
External
HPAC S40 | GB