General
This accessory is used when
F1145/F1155/F1245/F1255/F1345/F370/F470/F750/VVM
310/VVM 320/VVM 500/SMO40 is installed in houses
with up to four different climate systems that require
different flow line temperatures, for example, in cases
where the house has both a radiator system and an
under floor heating system.
The water flow in the climate systems together should
not exceed 1700 l/h.
Caution
Underfloor heating systems are normally max
flow line temperature set between 35 and 45
°C.
Check the max temperature for your floor with
your floor supplier.
Caution
If the room sensor is used in a room with under
floor heating it should only have an indicatory
function, not control of the room temperature.
Contents
Cable ties4x
Circulation pump1x
Shunt motor1x
3-way valve1x
Kit for accessory card1x
Heating pipe paste2x
Aluminium tape1x
Insulation tape1x
Replacement gasket2x
Temperature sensor2x
Room sensor1x
Pipe with straight coupling*1x
* This is only used when connecting to NIBE F370 or
F470
Component positions
LEK
AA5-X4
AA5-S2
AA5-X2 AA5-X9 X1
FA1
AA5-F1AA5
Electrical components
Miniature circuit-breaker. 10AFA1
Terminal block, power supplyX1
Accessory cardAA5
Terminal block, sensors and external
blocking
AA5-X2
Terminal block, communicationAA5-X4
Terminal block, circulation pump, mixing
valve and auxiliary relay
AA5-X9
DIP switchAA5-S2
Fine wire fuse, T4AH250VAA5-F1
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
18
English, Installer manual - ECS 40/ECS 41
GB
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