Mitsubishi Electric EHGT17D-YM9ED, Service Manual

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94
OCH722A
12 SERVICE AND MAINTENANCE
(Continued to next page.)
Main remote controller screen Parameters
Default
setting
Field
setting
Notes
Setting Service
menu
Thermistor
adjustment
THW1 −10°C to +10°C 0°C
THW2 −10°C to +10°C 0°C
THW5A −10°C to +10°C 0°C
THW5B −10°C to +10°C 0°C
THW6 −10°C to +10°C 0°C
THW7 −10°C to +10°C 0°C
THW8 −10°C to +10°C 0°C
THW9 −10°C to +10°C 0°C
THW10 −10°C to +10°C 0°C
THWB1 −10°C to +10°C 0°C
Auxiliary settings Economy settings for
pump.
On/Off *2 On
Delay (3 to 60 min) 10 min
Electric heater
(Heating)
Space heating: On (used)/Off (not used) On
Electric heater delay timer (5 to 180 min) 30 min
Electric heater
(DHW)
Booster heater DHW: On (used)/Off (not used) On
Immersion heater DHW: On (used)/Off (not used) On
Electric heater delay timer (15 to 30 min) 15 min
Mixing valve
control
Running (10 to 240 sec) 120 sec
Interval (1 to 30 min) 2 min
Flow sensor *10 Minimum (0 to 100L/min) 5 L/min
Maximum (0 to 100L/min) 100 L/min
Analog output Interval (1 to 30 min) 5 min
Priority (Normal/High) Normal
Pump speed DHW Pump speed (1 to 5) 5
Heating Pump speed (1 to 5) 5
Heat source setting Standard/Heater/Boiler/Hybrid *3 Standard
Heat pump settings Heat pump flow rate
range
Minimum (0 to 100L/min) 5 L/min
Maximum (0 to 100L/min) 100 L/min
Quiet mode Day (Mon to Sun) —
Time 0:00-23:45
Quiet level (Normal/Level1/Level2) Normal
Operation
settings
Heating
operation
*4
Flow temp.range
*6
Minimum.temp. (20 to 45°C) 30°C
Maximum.temp. (35 to 60°C) 50°C
Room temp.
control
*9
Mode (Normal/Fast) Normal
Interval(10 to 60min) 10min
Heat pump
thermo diff.adjust
On/Off *2 On
Lower limit (−9 to −1°C) -5°C
Upper limit (+3 to +5°C) 5°C
Freeze stat function *7 Outdoor ambient temp. (3 to 20°C) / ** 5°C
Simultaneous operation (DHW/
Heating)
On/Off *2 Off
Outdoor ambient temp. (−30 to +10°C) −15°C
Cold weather function On/Off *2 Off
Outdoor ambient temp. (−30 to −10°C) −15°C
Boiler operation Hybrid settings Outdoor ambient temp. (−30 to +10°C) −15°C
Priority mode (Ambient/Cost/CO
2
)
Ambient
Intelligent set -
tings
Energy
price *5
Electricity (0.001 to 999 */kWh) 0.5 */kWh
Boiler (0.001 to 999 */kWh) 0.5 */kWh
CO2
emission
Electricity
(0.001 to 999 kg -CO2/kWh)
0.5 kg -CO2/kWh
Boiler
(0.001 to 999 kg -CO2/kWh)
0.5 kg -CO2/kWh
Heat
source
Heat pump capacity (1 to 40 kW) 11.2 kW
Boiler efficiency (25 to 150%) 80%
Booster heater 1 capacity
(0 to 30 kW)
2 kW
Booster heater 2 capacity
(0 to 30 kW)
4 kW
Engineers Forms
Commissioning/Field settings record sheet (continued from the previous page)