Connections
External heating cable KVR 10 (Accessory)
HBS 05 is equipped with a terminal block for external
heating cable (EB14, not supplied). The connection is
fused with 250 mA (F3 on the communication board
AA23). If another cable is to be used, the fuse must be
replaced with a suitable one (see table).
NOTE
Self regulating heating cables must not be
connected.
NIBE Part no.
Fuse
Fuse (F3)Total
power
(W)
Length
(m)
718 085T100mA/250V151
518 900*T250mA/250V453
718 086T500mA/250V906
*Fitted at the factory.
Connect external heating cable (EB14) to terminal block
AA23-X1:4–6 according to following image:
External HBS05
X1
EB14
External heat cable
AA23
F3
NOTE
The pipe must be able to withstand the heat
from the heating cable.
To ensure this function, the accessory KVR 10
should be used. See instructions in the Installer
Manual for KVR 10.
Addressing via cascade connection
On the communication board (AA23-S3) in HBS 05 the
communication address is selected for AMS 10. The de-
fault address for AMS 10 is 1. In a cascade connection
all AMS 10 must have a unique address. The address is
coded in binary.
S3:3S3:2S3:1Address
OFFOFFOFF1
OFFOFFOn2
OFFOnOFF3
OFFOnOn4
OnOFFOFF5
OnOFFOn6
OnOnOFF7
OnOnOn8
Connecting accessories
Instructions for connecting accessories are in the install-
ation instructions provided for the respective accessory.
See page 40 for the list of the accessories that can be
used with NIBE SPLIT HBS 05.
HBS 05Chapter 5 | Electrical connections28
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