Hitachi PC-ALH Installations- Und Betriebshandbuch Seite 16

OTHERS
16
5. OTHERS
1. In case of simultaneous operation of plural (up to 16) units by the wireless remote control switch, apply the receiver kit only to
the unit to be operated, and apply the standard units (without receiver kit) to the others.
In case of applying plural receiver kit, up to 2 receiver kits can be used.
2. Proceed the "TEST RUN" mode by using "Operation & Installation Manual" for the wireless remote control switch (PC-LH3A).
- Turn OFF all power sources before setting the dip switches.
3. Emergency Operation Setting (refer to the figure of the item 4 "Optional Functions")
In case that PC-LH3A is unusable by batteries shortage, etc., perform emergency operation as follows.
(a). Switch "COOL": Press "COOL" so that the cooling operation is started.
Press "COOL" again so that the cooling operation is stopped.
(b). Switch "HEAT": Press "HEAT" so that the heating operation is started.
Press "HEAT" again so that the heating operation is stopped.

NOTE:
During the emergency operation, the LED (yellow) blinks
(0.5 second ON / 0.5 second OFF).
4. Alarm Code Indication
In case that some trouble occures because of activation of safety device, etc., "RUN" (red lamp)
−
blinks (0.5 second ON / 0.5 second OFF).
Refer to the Installation Manual for outdoor unit about Alarm Code List.
−
Alarm Code indicates the blinking times of "DEF" (green lamp) and "FILER" (yellow lamp) as shown bellow.
−
"DEF" (green lamp): the blinking is shown at the 2 digit of Alarm Code
"FILTER" (yellow lamp): the blinking is shown at the 1 digit of Alarm Code
(Alphabet Code: A=10 times, B=11 times, C=12 times, ...)
Example:
 
Alarm
"DEF" blinks 3 times 0.5 times (0.5 second ON / 0.5 second OFF)
"FILTER" (yelow lamp) blinks 5 times (0.5 second ON / 0.5 second OFF)
- "RUN" (red lamp) (1 second ON / 1 second OFF) indicates abnormal transmitting between
Indoor Units and Outdoor Unit
PMML0174A_r0_11-07.indb 16
"FILTER" (yelow lamp)
"DEF (green lamp)
22/11/2007 12:49:45