Mitsubishi Electric PUHZ-W50VHA Technical Manual page 16

By our FTC
FTC
Heat Pump switch ON/OFF
and the operation mode
change is done...
By external signals from local controller
(non-voltage contact signals)
'Target flow temperature' is set...
By external signals from local controller
(Analog signal:4-20mA/ 1-5V/ 0-10V)
Your system is ANALOG TEMP. SYSTEM.
(FTC)
SIMPLE SYSTEM
FTC PCB BOX
ON/OFF
Operation mode
Target flow temp.
Remote controller
End user interface
By remote controller
By remote controller
BASIC SYSTEM
By Non-voltage
Contact signals
FTC PCB BOX
ON/OFF
Operation mode
- Heating
- Heating ECO
- Hot water
- Anti freeze
- Cooling
Target flow temp.
Remote controller
To preset
- target temp. for each mode
- target temp. parameters
Your system is
SIMPLE SYSTEM.
(FTC)
Your system is
BASIC SYSTEM.
(FTC)
ANALOG TEMP. SYSTEM
FTC PCB BOX
System controller
(locally supplied)
End user interface
Remote controller
To preset
- analog signal parameters
16
By Non-voltage
Contact signals
ON/OFF
System controller
(locally supplied)
Operation mode
- Heating End user interface
- Cooling
Target flow temp.
Analog signal
4-20mA/1-5V/0-10V
In this system,
• Heating ECO mode of FTC is
not available.
• It is NOT necessary to switch
operation mode to realize
Hot water mode, Anti freeze
mode and Heating ECO mode.
Simply change the target temp.
by Analog signal.