Test Run Using Wired Controller - York IDM030B21E Series Service Manual

3.4.1 Test Run Using Wired Controller

(1) Wired Controller (CIW01)
(1) Turn ON the power supply of the indoor and outdoor units.
(2) Set the TEST RUN mode with the wired controller.
Press and hold the "Menu" and the "Back/Help" buttons
simultaneously for more than three seconds.
Select "Test Run" by pressing "
The Test Run screen is displayed.
NOTE:
For other controllers,
refer to the "Installation Manual" for each controller.
Normal
If "TEST RUN" and the total number of the units connected
to the wired controller (for example "2 units") are indicated
on the wired controller, the connection of the controller cable
is correct.
* The total number of indoor units connected is indicated
on the liquid crystal display (LCD).
* If the indicated number is not equal to the actual number of connected indoor units,
the auto-address function is not performed correctly due to incorrect wiring, or
electromagnetic interference. Turn OFF the power supply, and correct the wiring after
checking the following points (Do not repeat turning ON and OFF within 10 seconds.)
(a) The power supply for the indoor unit is NOT turned ON or the incorrect wiring.
(b) Loose connection between Indoor Units or Wired Controller.
(c) Incorrect Setting of Indoor Unit Address (The indoor unit address is duplicated.)
Abnormal
If no indication or "00" appears, or the number of the units indicated is less than the actual
number of the units, there is an abnormality.
(3) Checking Procedure for Abnormalities
Wired Controller
Indication
No Indication
Number of
connected units
is incorrect.
Move to (4) on the next page.
SM-16005-rev.2
" and press "OK".
Fault
* The power supply is not turned ON.
* The connection of the controller cable
is incorrect.
* The connecting wires of power supply
line are incorrect or loose.
* The electrical wiring between indoor unit
and outdoor unit is disconnected, or the
power supply is not turned ON.
* The setting of unit number is incorrect.
* The connection of control cables
between each indoor unit are incorrect.
(When one wired controller controls
multiple units.)
Back to (1) after checking
TROUBLESHOOTING
On/Off
On/Off
Button
Test Run Setting: 2 units
MODE :
SPEED :
Sel. Adj.
NOTE:
When "00 unit" is indicated,
the auto-address function
may be performing.
Cancel "Test Run" mode
and set it again.
Inspection Points after the Power Supply OFF
1. Connection between Connector and Wires
2. Connecting Points of Controller Cable
3. Contact of Connectors of Controller Cable
4. Connection Order of each Terminal Block
5. Screw Fastening of each Terminal Block
6. RSW Setting on Indoor Unit Printed Circuit Board
7. Wire Connecting Order of Bridge Cable
8. Connecting Points of Bridge Cable
9. Contact of Connectors of Bridge Cable
Menu
Button
Menu
OK
Back/Help ECO
Back/Help
Button
COOL
AUTO
Back
ON Rtrn
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