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ENGLISH
4
Service and maintenance
When connect CN-CNT connector with computer
Please use optional USB cable to connect with CN-CNT
connector.
After connected, it requests for driver. If PC is under Windows
Vista or later version, it automatically installs the driver under
internet environment.
If PC uses Windows XP or earlier version and there is no internet
access, please get FTDI Ltd's USB - RS232C conversion IC
driver (VCP driver) and install.
http://www.ftdichip.com/Drivers/VCP.htm
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.
(CAUTION) Only display when it is locked by password.
Maintenance menu
Setting method of Maintenance menu
Maintenance menu
17:26, Wed
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)
(CAUTION) As there is no protection action, please be
careful not to 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)
(CAUTION) Please use only when sensor is deviated.
It affects temperature control.
4
Reset password (Reset password)
Custom menu
Setting method of Custom menu
Custom menu
17:26, Wed
Cool mode
Back-up heater
Reset energy monitor
Select
Confi rm
Please press
for 10 sec.
Items that can be set
1
Cool mode (Set With/Without Cooling function) Default is
without
(CAUTION) 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)
(CAUTION) 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.
