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Appendix
Appendix
Interface adaptors (sold separately)
Interface adaptors include those used to convert transmissions and those used for on and off control.
Interface adaptors for transmission conversion
This unit is a centralised controller designed for use with electronic package air conditioners (PAC) and gas heat pump air conditioners (GHP)
later than type G, but you can also connect it with older models by using interface adaptors to convert communications.
There are the following limitations you should be aware of, however.
Contact the place of purchase or your servicing agent for details.
Models you can connect E series and F series GHP
Alarm display
“C12” (interface adaptor batch alarm) is displayed, but no details are displayed.
Maintenance information The following information is not displayed for GHP outdoor units.
y
Engine operation hours
y
Oil replacement timing
y
Outdoor unit operating hours
Air conditioning
distributing
Indoor unit fan speed data
The cumulative operating hours by fan speed will be fixed to “Mid.”. (Even if set to “Low” or
“High”, the calculation will be made for “Mid.”)
Cumulative operating hours
When group control has been set on the remote controller, the cumulative operating times of
only one of these (the main unit) shall be the object of distribution calculations.
If the sub units operate with the thermostat off or stop due to warnings, these will not be
recognized.
ON hours for electric heater
The cumulative ON time for electric heaters is not displayed.
Indoor unit performance fixed values
As these are not identified automatically, set the performance fixed capacity values (kW) in the
“Edit unit settings” dialogue (P.143).
When doing this, when group control has been set on the remote controller, you need to set
the value of all sub unit performances added together.
Distribution methodology
Only time distribution is supported.
Items that cannot be
operated
The following operations are not possible:
y
Resetting the filter sign
y
Airflow direction settings
y
Test operation
For old models, install remote controllers before use.
Test operation
When testing operation with remote controllers on old model indoor units, if you perform setting operations on this unit to the old model
unit, test operations are automatically cancelled.
Demand operations
Demand operations to outdoor units are not possible.
Remote controller
prohibition
You cannot change the prohibited items in the remote controller prohibition modes (“Prbt1” to “Prbt4”). Even if you make settings in
“Local R/C Prhbt settings” in the “Settngs for communictn w A/C(3)” screen (P.211), the settings will be invalid.
Things you should know
