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1-2. Introduce applications of system that uses optional equipment.
DHW (Domestic Hot Water) Tank connection
Outdoor
This is an application that connects the DHW tank to the indoor unit through 3-way valve.
DHW tank's temperature is detected by tank thermistor (specifi ed by Panasonic).
Tank + Solar connection
Outdoor
This is an application that connects the DHW tank to the indoor unit through 3-way valve before connect the solar water heater to heat up
the tank. DHW tank's temperature is detected by tank thermistor (specifi ed by Panasonic). Solar panel's temperature is detected by solar
thermistor (specifi ed by Panasonic).
DHW tank shall use tank with built-in solar heat exchange coil independently.
Heat accumulation operates automatically by comparing the temperature of tank thermistor and solar thermistor.
During winter season, solar pump for circuit protection will be activated continuously. If does not want to activate the solar pump operation,
please use glycol and set the anti-freezing operation start temperature to -20°C.
This system requires optional PCB (CZ-NS4P).
Buffer tank connection
Outdoor
This is an application that connects the buffer tank to the indoor unit.
Buffer tank's temperature is detected by buffer tank thermistor (specifi ed by Panasonic).
This system requires optional PCB (CZ-NS4P).
14
Indoor
3-way valve for tank
Tank thermistor
Indoor
3-way valve for tank
Tank thermistor
Indoor
Buffer tank
Floor heating
Tank
Booster heater
Floor heating
Solar thermistor
Tank
Solar pump
Pump
Thermistor
Floor heating
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - No
Tank connection - Yes
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Tank connection - Yes
Solar connection - Yes
DHW tank
T turn ON
T turn OFF
Antifreeze
Hi limit
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Buffer Tank connection - Yes
T for buffer tank
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