Test Run Procedure By Remote Control Switch - Hitachi FSG1 Series Technical Catalogue

17.2 TEST RUN PROCEDURE BY REMOTE CONTROL SWITCH

É
Turn ON the power source of the Indoor and Outdoor Units
Ê
Set the TEST RUN mode by remote control switch.
Depress the "MODE" and the "CHECK" switches
simultaneously for more than 3 seconds.
a) If "TEST RUN" and the counting number of the
connected units to the remote control switch (for
example "01") are indicated on the remote control
switch, the connection of remote control cable is
correct. Go to Ì
b) If no indication or "••" appear or the number of
the units indicated is smaller than the actual
number of the units, some abnormalities exist.
Go to •
Ë
Remote Control
Fault
Switch Indication
§ The power source is not turned ON.
§ The connection of the remote control
cable is incorrect.
No indication
§ The connecting wires of power supply
line are incorrect or loosened.
§ The setting of unit number is incorrect
Counting number
§ The connection of control cables
of connected
units is incorrect between each indoor units are
incorrect. (When one remote control
switch controls multiple units)
Back to É after checking
Ì
Select TEST RUN MODE by depressing MODE Switch (COOL OR HEAT)
Í
Depress RUN/STOP switch.
a) The "TEST RUN" operation will be started. (The "TEST RUN" operation will
be finished after 2 hours unit operation or by depressing the RUN/STOP
switch again).
b) IF the unit do not start or the operation lamp on the remote control
switch is flickered, some abnormalities exist. Go to Î
Î
Remote Control
Switch Unit Condition
Indication
The operation lamp
flickers. (1 time/1
sec.) And the Unit The unit does not start.
No. and Alarm
Code "03" flicker
The operation lamp
flickers.
The unit does not start.
(1 time/2 sec.)
The unit does not start,
Indication of flicker
or start once and the
different to above
stops
The outdoor fans rotate
reversely
Normal
The outdoor fans do not
start.
Back to É after checking
Ï
Procedure for Recovery When Transmitting Circuit Fuse is Blown Out:
1. Correct the wiring for the terminal board.
st
2. Switch the 1 pin of the DSW7 on the Indoor PCB to "ON"
nd
3. Switch the 2 pin of the DSW10 on the Outdoor PCB to "ON
Operation Lamp
.
Inspection Points after Power Source OFF
1. Connection between the connector and the wires:
Red wire-No. 1, Black wire-No. 2, White wire-No. 3
2. Connecting Points of Remote Control Cable
3. Contact of Connectors of Remote Control Cable
4. Connection Order of each Terminal Board
5. Screw Fastening of each Terminal Boards.
6. Dip Switch Setting on Printed Circuit Board
7. Wire Connecting Order of Bridge cable
8. Connecting Points of Bridge Cable
9. Contact of Connectors of Bridge Cable
Fault Inspection Points after Power Source OFF
1. Connecting Order of each Terminal Boards. The fuse on
the PCB may be blown out due to miswiring. (Can be
The connecting wires of
recovered only once by the DSW on the PCB). (See Ï)
operating line are
2. Screw fastening of each Terminal Boards.
incorrect or loosened.
3. Connecting Order of Power Line Between Indoor Units
and Outdoor Unit.
The connection of remote
This is the same as item Ë 1, 2, and 3
control cable is incorrect
The connection of
thermistor or other
Check by the alarm code table in the service manual (Do it
connectors are incorrect.
by service people).
Tripping of protector
exists, or else.
The connection order of
Connecting Order of the Terminal Board: TB1 in the
power supply line is
Outdoor Unit
incorrect.
Some wires of power
Connecting Point of Power Supply Line. Contact Outdoor
supply line are
Fan Motor Connector.
disconnected.
Indoor PCB DSW7
TEST RUN
05
.
MODE
RUN/STOP
.
Outdoor PCB DSW10
ON
1 2
17
/3
Counting Number of
Connected Units
-
ON
1 2