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12.5 Service and maintenance
Maintenance menu
Custom menu
If forget Password and cannot operate remote controller
Press
for 5 sec.
Password unlock screen appears, press Confi rm and it shall reset.
Password will become 0000. Please reset it again.
(NOTE) Only display when it is locked by password.
Setting method of Maintenance menu
Maintenance menu
12:00am,Mon
Actuator check
Test mode
Sensor setup
Reset password
Select
Confi rm
Press for 5 sec.
Items that can be set
1 Actuator check (Manual ON/OFF all functional parts)
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cause any error when operating each part (do not turn
on pump when there is no water etc.)
2
Test mode (Test run)
Normally it is not used.
3
Sensor setup (offset gap of detected temp of each sensor within
-2~2°C range)
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It affects temperature control.
4 Reset password (Reset password)
Setting method of Custom menu
Custom menu
12:00am,Mon
Cool mode
Back-up heater
Reset energy monitor
Reset operation history
Select Confi rm
Please press for 10 sec.
Items that can be set
1 Cool mode (Set With/Without Cooling function) Default is without
(NOTE)
As with/without Cool mode may affect electricity application,
please be careful and do not simply change it.
In Cool mode, please be careful if piping is not insulated
properly, dew may form on pipe and water may drip on
the fl oor and damage the fl oor.
2 Backup heater (Use/Do not use Backup heater)
(NOTE) It is different from to use/not to use backup heater set by
client. When this setting is used, heater power on due to
protection against frost will be disabled. (Please use this
setting when it is required by utility company.)
By using this setting, it cannot defrost due to low Heating's
setting temp and operation may stop (H75)
Please set under the responsibility of installer.
When it stops frequently, it may be due to insuffi cient
circulation fl ow rate, setting temp of heating is too low etc.
3
Reset energy monitor (delete memory of Energy monitor)
Please use when moving house and handover the unit.
4 Reset operation history (delete memory of operation history).
Please use when moving house and handover the unit.
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