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9.  Simultaneous Operation of Multiple Indoor Units

Do not perform this operation in case that the 

multiple indoor units are installed in different 

rooms separately.  It may happen that some indoor 

units remain unchanged.

The multiple indoor units (Max. 16 units) can be started and 

stopped simultaneously by one controller. 

Perform this operation only in case that multiple indoor 

units are installed in a room.  The detail for setting method 

shall be referred to the installation manual of the indoor 

unit.

Control Cable between

Indoor Units

Control Example of Simultaneous Operation of Multiple Units

Indoor Unit

Controller

4)  Operate the Test Run by pointing the transmitter towards the receiver of the indoor unit and press the

 

“ 

 RUN/STOP” switch.  When the commands are received by the indoor unit, the “ 

 ” lamp (yellow) 

of the receiver will come on briefly.  Check the commands are received well and the mode selected 3) is 

set correctly.  In the test run mode, the red lamp (RUN) of the receiver is turned ON and the green lamp 

(TIMER) flashes (0.5 seconds ON 

 0.5 seconds OFF) (*2).  And then set off timer for 2 hours.

 NOTES:

 1.  In the case that the “ 

 ” lamp (yellow) does not turn ON, the controls may not have reached the 

receiver.  Send the commands again.

 2.  (*2) In the case of RPK model, “TIMER” lamp is turned ON without flashing. 

5)  Adjust the angle of the air louver as follows.

 

The air louver has a mechanism for the auto-swing function.

 

Do not move the louver by hand forcefully.

(1)  Select the FAN mode by pressing the “MODE” switch.
(2)  Set the louver angle by pressing the “LOUVER” switch.

 

The louver direction is changed as follows. (For heating and fan operation)

6)  Stop the Test Run

(1)  Test Run is stopped after 2 hours automatically.
(2)  Test Run is stopped by pressing “   RUN/STOP” switch again.  To complete Test Run, cancel the 

remained timer indication by pressing the “CANCEL” switch.

 

After Test Run is finished, check that the red lamp (RUN) and the green lamp (TIMER) are turned OFF.

LCD Indication

P5416537, 2015   Printed in Japan

© 2015 Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Ltd.

Summary of Contents for PC-LH3A

Page 1: ...m the test run whether there is abnormality or not after the installation work is completed The usage and the maintenance should be explained to a user according to Installation Maintenance Manual of the indoor unit Describe to keep this installation manual also l It is assumed that this kit will be installed and serviced by English speaking people If this is not the case the customer should add s...

Page 2: ...the contents and the number of the parts Name Q ty Remark Wireless Remote Control Switch Controller 1 For Operation Control Holding Bracket 1 For Controller Battery AAA 1 5V Dry Cell 2 For Power Source of Controller Screw 2 For Fixing Holding Bracket onto Wall Slide the cover in the arrow direction with pushing AAA Batteries 2 Do not turn ON the power source unless the preparation for test running...

Page 3: ...g actual operation Run Stop Switch Operation of the unit can be started or stopped by pressing this switch Fan Speed Switch Press this switch to select the fan speed By repeatedly pressing the button the setting will change sequentially through HIGH2 HIGH MED and LOW Fan speed is fixed at Low for dry operation O Available X Not available HIGH2 is not indicated on PC LH3A Mode Selection Switch By r...

Page 4: ...g gets half when the transmitting angle is 50o and also get shorter in case that an electronic type light is used in the room NOTE The above figure shows the case of a 4 way cassette type indoor unit The figures for other models are different partially LCD Liquid Crystal Display Indication When viewed from certain angles the LCD can be difficult to read The viewing angle ranges from an optimal of ...

Page 5: ...oor Units Installed Side by Side NOTE This function is required to set at the receiver side It shall be set according to the installation manual of the receiver kit or the indoor unit Setting of Identifying of Indoor Units Installed Side by Side 1 Press and hold ON TIME switch and OFF TIME switch of the wireless remote control switch simultaneously for 3 seconds The b is indicated on the liquid cr...

Page 6: ...tion to the following points in case that the controller is installed in a place where there is medical equipment radiating electromagnetic waves 1 Install the controller in a place where electromagnetic waves are not radiated directly toward the electrical box of the indoor unit and the controller 2 Keep a distance more than 3 meters away from the equipment radiating electromagnetic waves the rec...

Page 7: ...In the test run mode the red lamp RUN of the receiver is turned ON and the green lamp TIMER flashes 0 5 seconds ON 0 5 seconds OFF 2 And then set off timer for 2 hours NOTES 1 In the case that the lamp yellow does not turn ON the controls may not have reached the receiver Send the commands again 2 2 In the case of RPK model TIMER lamp is turned ON without flashing 5 Adjust the angle of the air lou...

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