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_TROUBLE SHOOTING GUIDE BOOK __
·Execute auto pipe detection again whenever the indoor PCB and HR unit PCB is replaced.
-
Operation error occurs unless power is supplied to the indoor and HR units.
· Error No.200 occurs if the number of connected indoor units and that of scanned indoor units are
different.
·If auto pipe detection process fails, complete it with manual pipe detection
(see Manual pipe detection part).
·If auto pipe detection process is completed normally, manual pipe detection is not required.
· If you want to do auto pipe detection again after auto pipe detection fails, do after reset of outdoor
unit by all means.
· During 5 minutes after pipe detection is completed, do not turn off the main unit PCB to save the
result of pipe detection automatically.
· In case that central controller is not installed, firstly set up central controller's setting to make address
setting of indoor units.
· In case that central controller is installed, please set central control address in wired remote control of
indoor unit.
·HR unit's manual pipe address is set by the central control adress of indoor units.
· Address of valve which is not connected with indoor unit should be set differently with the address of
a valve which is indoor unit connected (If address is overlapped valve will not work preperly).
· If there occurs some error during pipe detection process, it means pipe detection process is not
properly finished.
·If an error occurred, it means that manual pipe setting is not completed.
· During 5 minutes after pipe detection process is completed, do not turn off the main outdoor unit's
PCB to save the result of pipe detection automatically.
2. Manual Pipe Detection
• Procedure
1) Enter the central control address into each indoor unit using its wired remote controller.
2) Turn No.1 of DIP s/w SW02M of HR unit PCB on.
3) Reset the power of HR unit PCB.
4) On the HR unit PCB, manually set address of each valve of the HR unit to the central control
address of the indoor unit connected to the valve.
5) Reset the power of outdoor unit PCB.
6) The number of the indoor unit installed is displayed after about 5 minutes.
ex) HR → The number of the indoor
7) Reset the power of outdoor unit PCB, HR unit.
8) Manual pipe detection is completed
6.4 Set Zone Master
It is a function to operate according to the mode of the master indoor unit when several indoor units are
connected to one of the branch of the heat recovery model.
■ Setting the function
Function Step Option
Set Zone Master Id 7
1
seg1 : Branch No.
seg2 : Pipe No.
2 seg3, seg4 : IDU No.
■ Option Selection
seg1 seg2 seg3, seg4
1 ~ G 1 ~ 4 1 ~ 64
■ Detailed information
•
This function is used with heat recovery.
•
Operation
Step 1 : Branch No. (using '◀' button) & Pipe No. setting (using '▶' button)
Step 2 : Indoor Unit No.(using '◀'' ▶' button)
(The number of the indoor unit to be displayed is the number of the indoor
unit connected to the zone selected in step 1)
* To proceed to next stpe, press SW01C (●: execute) button.
·Ask an authorized technician to setting a function.
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