88
Simple 2 zone (Floor heating + Radiator)
Pump 2
Indoor
Outdoor
System setup
Zone and Sensor - 2 Zone system
Water temperature
Room
Water temperature
Heat
Cool
Thermistor 1
Mixing valve
Radiator
Thermistor 2
Setting of remote controller
Installer setting
Optional PCB connectivity - Yes
Zone 1: Sensor
Zone 2: Sensor
Operation setup
T for heating ON – 1°C
T for cooling ON – 1°C
This is an example of simple 2 zone control without using buffer tank.
Built-in pump from Tank Unit served as a pump in zone 1.
Install mixing valve, pump and thermistor (specified by Panasonic) on zone 2 circuit.
Please be sure to assign high temperature side to zone 1 as temperature of zone 1 cannot be adjusted.
Zone 1 thermistor is required to display temperature of zone 1 on remote controller.
Circulation water temperature of both circuits can be set independently.
(However, temperature of high temperature side and low temperature side cannot be reversed)
This system requires the Optional PCB (CZ-NS4P).
(NOTE)
Thermistor 1 does not affect operation directly. But error happens if it is not installed.
Please adjust flow rate of zone 1 and zone 2 to be in balance. If it is not adjusted correctly, it may affects the
performance.
(If zone 2 pump flow rate is too high, there is possibility that no hot water flowing to zone 1.)
Flow rate can be confirmed by “Actuator Check” from maintenance menu.
Buffer tank connection
Outdoor
Buffer tank
Pump
Indoor
System setup
T for buffer tank
Thermistor
Floor heating
Setting of remote controller
Installer setting
Optional PCB connectivity - Yes
Buffer Tank connection - Yes
This is an application that connects the buffer tank to the Tank Unit.
Buffer tank’s temperature is detected by buffer tank thermistor (specified by Panasonic).
This system requires Optional PCB (CZ-NS4P).
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