Test Run Procedure By Remote Control Switch - Hitachi PC-2H2 Installation Manual

1.5. 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 "00" appear or the number of the
units indicated is smaller than the actual number of
the units, some abnormalities exist.
Go to Ë
Ë Remote Control
Switch
Indication
(1) The power source is not turned
(2) The connection of the remote
No indication
(3) The connecting wires of power
(4) The setting of unit number is
Counting number of (5) The connection of control cables
connected units is
incorrect
Back to É after checking
Ì Select TEST RUN MODE by depressing MODE Switch
(COOL OR HEAT)
Depress RUN/STOP switch.
Í
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 Indication
The operation lamp
flickers. (1 time/1 sec.)
And the Unit No. and
Alarm Code "03" flicker
The operation lamp
flickers.
(1 time/2 sec.)
Indication of clicker
different to above
Normal
Back to É after checking
Fault
ON.
control cable is incorrect.
supply line are incorrect or
loosened.
incorrect
between each indoor units are
incorrect. (When one remote
control switch controls multiple
units)
Unit Condition
The unit does not start.
The unit does not start.
The unit does not start, or start
once and the stops
The outdoor fans rotate reversely
The outdoor fans do not start.
INSTALLATION OF REMOTE CONTROL SWITCH <PC-2H2>
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
The connecting wires of
operating line are incorrect
or loosened.
The connection of remote
control cable is incorrect
The connection of
thermistor or other
connectors are incorrect.
Tripping of protector exists,
or else.
The connection order of
power supply line is
incorrect.
Some wires of power
supply line are
disconnected.
05
Counting Number of
Connected Units
-
MODE
RUN/STOP
Inspection Points after Power
Source OFF
1. Connecting Order of each Terminal
Boards.
2. Screw fastening of each Terminal
Boards.
3. Connecting Order of Power Line
Between Indoor Units and Outdoor
Unit.
This is the same as item Ë 1, 2, and 3
Check by the alarm code table in the
service manual (Do it by service people).
Connecting Order of the Terminal Board:
TB1 in the Outdoor Unit
Connecting Point of Power Supply Line.
Contact Outdoor Fan Motor Connector.
5
5