Technibel SPA250R5TAA Technical & Service Manual page 111

4. SERVICE PROCEDURES
(11) Test Run Procedure
Recheck the test items before test operation.
Check the indoor and outdoor unit combination (wiring).
Yes
4
Set the remote controller to test operation.
Return the remote controller to normal.
NOTE
1) One of CN4 of all linked outdoor units shold be short.
2) In case of using system controller, zone registration is required after finishing Test run.
Regarding the zone registration, please refer to Installation Instructions attached with system controller.
Start
Yes
Multiple remote
control?
No
Single type?
(One indoor unit and one
remote controller for one
outdoor unit)
Group control
for multiple outdoor
units?
No
Yes
Central control
for multiple outdoor
units?
No
Yes
Display the combination number.
Does the unit work?
Yes
End
Turn on RCU address SW
of sub remote control unit
(See 4-2-(10))
Multiple indoor
No
units for one outdoor
units?
No
Yes Set the outdoor unit R.C. address.
Turn on power supply switch.
Go to next
R.C. line
Press A. ADD (S1) button.
or
Execute auto. address operation with the
No
remote controller.
Finish all
R.C. line?
Yes
CN4: Open (*)
Set the outdoor unit R.C. address.
Turn on power supply switch.
Go to next
R.C. line
Press A. ADD (S1) button.
or
No
Execute auto. address operation with the
remote controller.
Finish all
R.C. line?
(See 4-2-(9))
No
Check according the self-diagnostics function table,
and if you find defective parts, repair them according to
Service Manual.
Note: Check the indoor side drain water.
111
– –
Yes
Turn on power supply for indoor units side
first. Then turn on power supply for outdoor
unit side.
(See 4-2-(6)-(B))
(See 4-2-(8))
(See 4-2-(6)-(C))
(See 4-2-(8))
0676_M_I