Table 4. Electrical connection
Component Connection
Internal auxiliary heater I/O-card, output for 3 kW and 6 kW as well as Defrost card, output for 6 kW (normal connections)
External auxiliary heater Defrost card; 283, connected and fused with 086U9685
Additional shunt Terminal block, 215/216
Internal exchange valve I/O-card, 214 (normal connection)
6.8.3 System solution 3
Note! If necessary the external components must be fused using accessory 086U9685 FUSE TO EXTERNAL
COMPONENT according to the installation instructions supplied with the accessory. The tables below give
the components referred to.
For system solution 3, select the following in menu SERVICE\AUX. HEATER\EXTERNAL ADDITION:
•
EXT.AUX.HEATER = ON
•
REV.V. HOT WATER = EXT
For DHP-H, DHP-H Opti, DHP-C the electrical connection for system solution 3 must be carried out according to the
following table
Table 5. Electrical connection
Component Connection
Internal auxiliary
heater
I/O-card, output for 6 kW (normal connection)
External auxiliary
heater
I/O-card, output for 3 kW, connected and fused with 086U9685
Additional shunt Terminal block, 215/216
External exchange
valve
I/O-card, 214 kW, connected and fused with 086U9685
For DHP-L, DHP-L Opti the electrical connection for system solution 3 must be carried out according to the follow-
ing table:
Table 6. Electrical connection
Component Connection
Internal auxiliary
heater
I/O-card, output for 6 kW (normal connection)
External auxiliary
heater
Terminal block 210, connected and fused with 086U9685
Additional shunt Terminal block, 215/216
External exchange
valve
I/O-card, 214 kW, connected and fused with 086U9685
For DHP-A, DHP-A Opti, DHP-AL, DHP-AL Opti the electrical connection for system solution 3 must be carried out
according to the following table:
Installation instructions VMBMA1002 – 43
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