Service And Maintenance - Mitsubishi Electric EHPT20Q-VM2EA Service Manual

12

SERVICE AND MAINTENANCE

Engineers Forms
Should settings be changed from default, please enter and record new setting in 'Field Setting' column. This will ease resetting in the future should the system use change
or the circuit board need to be replaced.
Commissioning / Field settings record sheet
Main controller screen
Main
Option
Setting Hot water (DHW)
Heating
Compensation
curve
Holiday
Initial settings
Service menu
*1 The settings related to Zone2 can be switched only when 2 zone temperature control is enabled (when DIP SW2-6 and SW 2-7 are ON).
*2 Valid only when operating in Room temp. control mode.
*3 On: the function is active; Off: the function is inactive.
*4 If asterisk (**) is chosen freeze stat function is deactived. (i.e. primary water freeze risk)
*5 The settings related to Zone2 can be switched only when 2-Zone valve ON/OFF control is active.
GCH15010
Zone1 heating room temp.
Zone2 heating room temp. *5
Zone1 heating flow temp.
Zone1 heating compensation curve
Holiday mode
Forced DHW operation
DHW
Heating
Energy monitor
DHW supply max. temp.
DHW supply temp. drop
DHW max. operation time
DHW mode restriction
DHW storage volume
Zone1 operation mode
Hi flow temp. Zone1 outdoor ambient temp.
set point
Zone1 flow temp.
Lo flow temp. Zone1 outdoor ambient temp.
set point
Zone1 flow temp.
Adjust Zone1 outdoor ambient temp.
Zone1 flow temp.
DHW
Heating
Zone1 heating room temp.
Zone2 heating room temp. *5
Zone1 heating flow temp.
°C/°F
Summer time
Temp. display
Time display
Room sensor settings for Zone1
Room sensor settings for Zone2 *1
Room RC zone select *1
Thermistor THW1
adjustment
THW2
THW3
THW4
THW5A
THW5B
Auxiliary settings Economy settings
for pump.
Electric heater
(Heating)
Pump speed
Heat source setting
Operation Heating operation Flow temp.range
settings *2
Room temp.control
*2
Heat pump thermo
diff.adjust *2
Flow rate settings
Freeze stat function *4
Energy Electric heater Booster heater 1
monitor capacity capacity
settings
Water pump input Pump 1
Delivered energy adjustment
Electric energy meter
Heat meter
Parameters
10°C - 30°C
10°C - 30°C
25°C - 60°C
Active/Non active/Set time
On/Off
On/Off/Timer
On/Off/Timer
Consumed electric energy/Produced energy
40°C - 70°C
15°C - 30°C
30 - 120 mins
30 - 120 mins
Normal/Energy save
Room temp/Flow temp/Compensation curve
- 33°C
25°C – 60°C
25°C - 60°C
25°C - 60°C
Active/Non active
Active/Non active
10°C - 30°C
10°C - 30°C
25°C - 60°C
°C/°F
On/Off
Room/Tank/Room&tank /Off
hh:mm/hh:mm AM/AM hh:mm
Zone1/Zone2
On/Off *3
Delay (3 - 60 mins)
Space heating: On (used)/Off (not used)
Electric heater delay timer (5
Pump speed(1 - 5)
Standard/Heater
Min.temp.(25 - 45°C)
Max.temp.(35 - 60°C)
Mode(Normal /Fast)
Interval(10 - 60min)
On/Off *3
)
Mode(Auto/Manual)
Outdoor ambient temp. (3 - 20°C) / **
0 - 30kW
0 - 200W or ***(factory fitted pump)
0.1/1/10/100/1000 pulse/kWh
0.1/1/10/100/1000 pulse/kWh
79
Default Field
setting Notes
setting
20°C
20°C
45°C
0°C
—
—
On
On
—
55°C
15°C
60 mins
30 mins
Normal
Room temp
50°C
35°C
25°C
—
—
Non active
Active
15°C
15°C
35°C
°C
Off
Off
hh:mm
Time/Zone" TH1
Time/Zone" TH1
Zone1
0°C
0°C
0°C
0°C
0°C
0°C
On
10 mins
On
30 mins
4
Standard
40°C
50°C
Normal
10 mins
On
-5°C
Auto
7L/min
5°C
2kW
***
1 pulse/kWh
1 pulse/kWh