Panasonic S-C09-3E8 Serie Manual Del Instalacion página 12

4. Room Thermistor
Outdoor
Connect fl oor heating or radiator directly to indoor unit.
Remote controller is installed on indoor unit.
Install separate external room thermistor (specifi ed by Panasonic) in the room where fl oor heating is installed.
This is an application that uses external room thermistor.
There are 2 kinds of circulation water temperature setting method.
Direct: set direct circulation water temperature (fi xed value)
Compensation curve: set circulation water temperature depends on outdoor ambient temperature
In case of Room thermo or Room thermistor, compensation curve can be set.
In this case, compensation curve is shifted according to the thermo ON/OFF situation.
•
(Example) If room temperature increasing speed is;
very slow  shift up the compensation curve
very fast  shift down the compensation curve
Examples of installations
Floor heating 1 + Floor heating 2
Outdoor Indoor
Connect fl oor heating to 2 circuits through buffer tank as shown in the fi gure.
Install mixing valves, pumps and thermistors (specifi ed by Panasonic) on both circuits.
Remove remote controller from indoor unit, install it in one of the circuit and use it as Room Thermostat.
Install external Room Thermostat (fi eld supply) in another circuit.
Both circuits can set circulation water temperature independently.
Install buffer tank thermistor on buffer tank.
It requires connection setting of buffer tank and T temperature setting at heating operation separately.
This system requires optional PCB (CZ-NS4P).
Floor heating + Radiator
Outdoor
Connect fl oor heating or radiator to 2 circuits through buffer tank as shown in fi gure.
Install pumps and thermistors (specifi ed by Panasonic) on both circuits.
Install mixing valve in the circuit with lower temperature among the 2 circuits.
(Generally, if install fl oor heating and radiator circuit at 2 zones, install mixing valve in fl oor heating circuit.)
Remote controller is installed on indoor unit.
For temperature setting, select circulation water temperature for both circuits.
Both circuits can set circulation water temperature independently.
Install buffer tank thermistor on buffer tank.
It requires connection setting of buffer tank and T temperature setting at heating operation separately.
This system requires the optional PCB (CZ-NS4P).
Mind that if there is no mixing valve at the secondary side, the circulation water temperature may get higher than setting temperature.
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Indoor unit compare between room temperature and setting temperature
on the Remote controller to control HP and circulation pump.
Indoor
Max: 30m
Mixing valve 1
Buffer tank
Indoor
Pump 2
Mixing valve 1
Buffer tank
Thermistor
Floor heating
Room Thermostat
(fi eld supply)
Thermistor 2
Mixing valve 2
Pump 2
Pump 1
Thermistor 1
Floor heating 1 Floor heating 2
Radiator
Thermistor 2
Pump 1
Thermistor 1
Floor heating
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - No
Zone & Sensor:
Room thermistor
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Zone and Sensor - 2 Zone system
Zone 1:Sensor
Room thermostat
Internal
Zone 2:Sensor
Room
Room thermostat
(External)
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Zone and Sensor - 2 Zone system
Zone 1:Sensor
Water temperature
Zone 2:Sensor
Room
Water temperature
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