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13
SERVICE AND MAINTENANCE
The main controller settings changed from the default settings are reset by replacing the controller board. To facilitate reselecting settings on the main controller, it is
recommended to write down the changes in the sheet below before replacement.
13-1. 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
Parameters
Default setting Field setting Notes
Main
Zone1 heating room temp.
10°C - 30°C
20°C
Zone2 heating room temp. *1
10°C - 30°C
20°C
Zone1 heating flow temp.
25°C - 60°C
45°C
Zone2 heating flow temp. *1
25°C - 60°C
35°C
Zone1 cooling flow temp. *12
5°C - 25°C
15°C
Zone2 cooling flow temp. *12
5°C - 25°C
20°C
Zone1 heating compensation curve
−9°C - + 9°C
0°C
Zone2 heating compensation curve *1
−9°C - + 9°C
0°C
Holiday mode
Active/Non active/Set time
—
Option
Forced DHW operation
On/Off
—
DHW
On/Off/Timer
On
Heating/Cooling
On/Off/Timer
On
Energy monitor
Consumed electrical energy/Delivered energy
—
Setting
DHW *13
Operation mode
Normal/Eco
Normal
DHW max. temp.
40°C - 60°C *2
50°C
DHW temp. drop
5°C - 30°C
10°C
DHW max. operation time
30 - 120 mins
60 mins
DHW mode restriction
30 - 120 mins
30 mins
Legionella prevention *13
Active
Yes/No
Yes
Hot water temp.
60°C - 70°C *2
65°C
Frequency
1 - 30 days
15 days
Start time
00.00 - 23.00
03.00
Max. operation time
1 - 5 hours
3 hours
Duration of maximum temp.
1 - 120 min
30 min
Heating/ Cooling *12
Zone1 operation mode
Heating room temp/ Heating flow temp/ Heating
compensation curve/ Cooling flow temp
Room temp
Zone2 operation mode *1
Heating room temp/ Heating flow temp/ Heating
compensation curve/ Cooling flow temp
Compensation
curve
Compensation
curve
Hi flow temp. set
point
Zone1 outdoor ambient temp.
−30°C - +33°C
*3
−15°C
Zone1 flow temp.
25°C – 60°C
50°C
Zone2 outdoor ambient temp. *1
−30°C - +33°C
*3
−15°C
Zone2 flow temp. *1
25°C - 60°C
40°C
Lo flow temp. set
point
Zone1 outdoor ambient temp.
−28°C - +35°C
*4
35°C
Zone1 flow temp.
25°C - 60°C
25°C
Zone2 outdoor ambient temp. *1
−28°C - +35°C
*4
35°C
Zone2 flow temp.
25°C - 60°C
25°C
Adjust
Zone1 outdoor ambient temp.
−29°C - +34°C
*5
—
Zone1 flow temp.
25°C - 60°C
—
Zone2 outdoor ambient temp. *1
−29°C - +34°C
*5
—
Zone2 flow temp. *1
25°C - 60°C
—
Holiday
DHW *13
Active/Non active
Non active
Heating/ Cooling *12
Active/Non active
Active
Zone1 heating room temp.
10°C - 30°C
15°C
Zone2 heating room temp. *1
10°C - 30°C
15°C
Zone1 heating flow temp.
25°C - 60°C
35°C
Zone2 heating flow temp. *1
25°C - 60°C
25°C
Zone1 cooling flow temp. *12
5°C - 25°C
25°C
Zone2 cooling flow temp. *12
5°C - 25°C
25°C
Initial settings
Language
EN/FR/DE/SV/ES/IT/DA/NL/FI/NO/PT/BG/PL/CS/RU
EN
°C/°F
°C/°F
°C
Summer time
On/Off
Off
Temp. display
Room/DHW tank/Room&DHW tank /Off
Off
Time display
hh:mm/hh:mm AM/AM hh:mm
hh:mm
Room sensor settings for Zone1
TH1/Main RC/Room RC1-8/“Time/Zone”
TH1
Room sensor settings for Zone2 *1
TH1/Main RC/Room RC1-8/“Time/Zone”
TH1
Room RC zone select *1
Zone1/Zone2
Zone1
Service menu
Thermistor
adjustment
THW1
−10°C - +10°C
0°C
THW2
−10°C - +10°C
0°C
THW5
−10°C - +10°C
0°C
THW6
−10°C - +10°C
0°C
THW7
−10°C - +10°C
0°C
THW8
−10°C - +10°C
0°C
THW9
−10°C - +10°C
0°C
THWB1
−10°C - +10°C
0°C
THWB2
−10°C - +10°C
0°C
Auxiliary settings
Economy settings for
pump.
On/Off *6
On
Delay
10 mins
Electric heater
(Heating)
Space heating: On (used)/Off (not used)
On
Electric heater delay timer (5 - 180 minutes)
30 mins
Electric heater
(DHW) *13
Booster heater
DHW: On (used)/Off (not used)
On
Immersion heater
DHW: On (used)/Off (not used)
On
Electric heater delay timer (15 - 30 minutes)
15 mins
Mixing valve control
Running (10 - 240 secs)
120 secs
Interval (1 - 30 mins)
2 mins
Flow sensor
Minimum(0 -
100L/min.)
5 L/min.
Maximum(0 -
100L/min.)
100 L/min.
*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 For the model without both booster and immersion heater, it may not reach the set temperature depending on the outside ambient temperature.
*3 The lower limit is -15°C depending on the connected outdoor unit.
*4 The lower limit is -13°C depending on the connected outdoor unit.
*5 The lower limit is -14°C depending on the connected outdoor unit.
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