Carrier 19PV550, Инструкции по установке, эксплуатации и обслуживанию

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7.5 - Operation of two units in master/slave mode
The control of a master/slave assembly is in the entering water and does not require any additional sensors (standard configuration).
It can also be located in the leaving water. In this case two additional sensors must be added on the common piping.
All parameters, required for the master/slave function must be configured using the MST_SLV menu.
All remote controls of the master/slave assembly (start/stop, set point, load shedding etc.) are controlled by the unit configured as
master and must only be applied to the master unit.
Each unit controls its own water pump. If there is only one common pump, in cases with variable flow, isolation valves must be installed
on each unit. They will be activated at the opening and closing by the control of each unit (in this case the valves are controlled using
the dedicated water pump outputs). See the 19PV Touch'Pilot Control manual for a more detailed explanation.
19PV with configuration: leaving water control
2
1
Legend
a Master unit
b Slave unit
Control boxes of the master and slave units
Water inlet
Water outlet
Water pumps for each unit (included as standard for units with hydraulic module)
Additional sensors for leaving water control, to be connected to channel 1 of the slave boards of each master and slave unit
IP communication bus
Connection of two additional sensors
7 - WATER CONNECTIONS