Mitsubishi Electric EHPT17X-VM2E Service Manual page 47

2. Settings using the main remote controller
In this menu, all parameters required to record the consumed electrical energy and the delivered heat
energy which is displayed on the main remote controller can be set. The parameters are an electric
heater capacity, supply power of water pump and heat meter pulse.
Follow the procedure described in General Operation for the set up operation.
For Pump 1, *** can be also set besides this setting.
In the case *** is selected, the system acknowledges "factory fitted pump" is selected.
<External input settings>
Demand control (IN4)
The selection of "OFF", whilst a signal is being sent to IN4, forcefully stops all
the heat source operations and the selection of "Boiler" stops operations of
heat pump and electric heater and performs boiler operation.
Outdoor thermostat (IN5)
The selection of "Heater", whilst a signal is being sent to IN5, performs only
electric heater operation and the selection of "Boiler" performs boiler operation.
Cooling limit temp. (IN15)
Dew point thermostat can be connected to IN15. (To avoid condensation)
When the input signal (IN15) is ON, the cooling target flow temperature is
limited by remote controller.
Note : For outdoor unit protection, this target temp. is kept 60 minutes after
changing IN15 input.
<Running information>
This function shows current temperature and other data of main component parts
of both the indoor and outdoor units.
1. From the Service menu, select Running information.
2. Touch the confirm icon .
3. Touch the +/- icon to set the Ref. address. *1
4. Enter index code for the component to be viewed.
5. Touch the confirm icon .
*1 For multiple outdoor units control system only.
<Thermistor reading>
This function shows the current readings of thermistors located on the water and refrigerant circuit
Thermistor Description
TH1A Zone1 room temperature
TH1B Zone2 room temperature
TH2 Refrigerant return temperature
THW1 Flow water temperature
THW2 Return water temperature
THW5A DHW tank upper water temperature
THW5B DHW tank lower water temperature
OCH814A
Thermistor Description
TH7 Ambient (outdoor) temperature
THW6 Zone1 flow temperature
THW7 Zone1 return temperature
THW8 Zone2 flow temperature
THW9 Zone2 return temperature
THW10 Mixing tank temperature
THWB1 Boiler flow temperature
47
Back
Energy monitor settings
Electric heater capacity
Water pump input
Delivered energy adjustment
Electric energy meter
Heat meter
Energy monitor settings menu screen
Back
External input settings
Demand control (IN )
Outdoor thermostat (IN )
Cooling limit temp. (IN
External input settings menu screen
Back
External input settings
Demand control (IN )
Boiler
Demand control screen
Back
External input settings
Outdoor thermostat (IN )
Boiler
Outdoor thermostat setting screen
Back
Running information
Ref. add
Back
Thermistor reading
TH A °C THW A
°C
TH B THW B
TH °C TH
2 7
THW °C THW
6
THW °C THW 7
)
°C
°C
°C
°C
°C