Hitachi RPI-0.8FSG1 Service Manual page 348

OPTIONAL FUNCTION
(4.4 Remote Control Switch)
(4) Change of Filter Cleaning Time
The period for filter sign indication is set for each indoor unit model when shipping.
The filter sign is indicated according to the filter cleaning time (Factory-Setting).
However, this filter cleaning time can be changed depending on the condition of the filter as shown in
the table below.
In case of
4-Way Cassette Type
Liquid Crystal Display on
Remote Control Switch
: Factory-Setting
: Changed Setting Period
* : In the case of RPK model, the factory setting is 200 hrs.
(5) Fixing of Operation Mode
This function is utilized when changes in operation modes are not required.
When this function is valid, the operation mode which has been set cannot be changed.
(6) Fixing of Setting Temperature
This function is utilized when changes in setting temperature are not required.
When this function is valid, the setting temperature which has been set cannot be changed.
(7) Fixing of Operation as Exclusive Cooling Unit
This function is utilized when exclusive cooling operation is required.
This function invalidates the heating operation and the automatic COOL/HEAT operation, as the
operation of exclusive cooling unit.
(8) Automatic COOL/HEAT Operation
This function is utilized to operate the unit with changing cooling and heating operation automatically
(same operation mode for indoor units in same refrigerant cycle).
This function is invalid when the outdoor unit is cooling only model or the function of "Fixing
Operation as Exclusive Cooling Unit" is valid.
* As for FXG/FX3 series, cooling and heating operation mode can be changed individually
for each indoor unit in same refrigerant cycle.
(9) Fixing of Fan Speed
This function is utilized to fix the fan speed. When this function is valid, the fan speed is not changed
by the remote control switch.
(10) Not Prepared
(11) Not Prepared
(12) Not Prepared
(13) Drain Pump in Heating (When the humidifier is installed)
This function is utilized to operate the drain pump in heating operation. However, in case of SET-
FREE, the indoor units do not have humidifier.
Do not change the setting condition "00" of the item "C4".
(14) Hi Speed
This function is utilized to increase the fan speed due to the high ceiling.
(15) Hi Speed at Heating Thermo-OFF
This function is utilized to increase the fan speed when thermo-OFF in heating operation with the
function (14). (The fan speed is not increased when thermo-OFF in heating operation at the function
(14) setting.)
(16) Canceling of Enforced 3 Minutes Minimum Operation Time of Compressor
In case of SET-FREE, "Enforced 3 Minutes Minimum Operation Time of Compressor" described in
the item (3) is the standard function.
This function is utilized to cancel the "Enforced 3 Minutes Minimum Operation Time of Compressor"
function.
4-44
Period for Filter Sign Indication
Approx. Approx.
100 hrs. 1,200 hrs.
02 b4
01 b4
or
00 b4 *
Approx.
No Indication
2,500 hrs.
03 b4 04 b4