Fujitsu WSYA050ML3 Design & Technical Manual page 88

• With primary controller/system pump
Line Function
963 With primary controller/system pump
This setting specifies whether the cooling circuit is supplied from the primary controller or from the
primary pump (depending on the installation). It can also be used to provide cooling to the second
zone.
WARNING
In the case of a radiator or any other emitter which does not support the cooling mode in zone 2,
this setting must remain on "No".
- (03-30) -
3-5. Cooling circuit 1 functions 3. Function table