System Controller System Controller / SHA-KC64AGB Operation Buttons A: ALL/ZONE/GR B: ZONE select C: GROUP select SELECT button button buttons F: Operation lamp D: ON button E: OFF button G: MODE button H: T emperature setting buttons M: SET button K: CHECK FAN SPEED button button...
System Controller D: ON button This button is for turning the selected air conditioner on. E: OFF button This button is for turning the selected air conditioner off. F: Operation lamp This lamp lights when the unit is turned on. G: MODE button Use this button to select one of the following 5 operations: (AUTO)
System Controller K: CHECK button This button is used only when servicing the air conditioner. Do not use the CHECK button for normal operation. CAUTION L: CENTRAL CTRL button Use this button to inhibit individual operation by remote controller as follows: 1: Individual ON/OFF operation is inhibited.
System Controller Display Description When the unit is in heating standby mode, the indicator appears. The currently selected operation mode is displayed. The currently selected FAN SPEED, Airﬂ ow Direction and SWEEP settings are displayed. This indication appears when the ﬁ lter needs cleaning. This indication appears only when an abnormality occurs within a unit.
System Controller How to Start Group Operation To start group operation Stop Power Turn the power supply switch on more than 5 hours before starting operation. Press the SELECT button and select GROUP. Select the ZONE No. including the group to be operated by pressing ZONE button. Select the GROUP No.
System Controller How to Start Collective Operation To start collective operation (ALL or ZONE) Stop Power Turn the power supply switch on 5 hours or more before starting operation. Press the SELECT button and select ALL or ZONE. In case of ZONE collective operation. Select the ZONE No.
System Controller Overview of the System Controller Electrical component box Hole for electrical Control unit Unit: mm wiring Mounting plate (for flush mounting) 5 diameter holes (for mounting) Hole for electrical wiring Rear plate 4- 5.5 diameter holes (for mounting) Z-view (back side) In order to mount the system controller ﬂ...
System Controller Installation Procedure Mounting plate Electrical component box Hole for electrical wiring a): Normal mounting Rear plate Fig. 3-57 b): Flush mounting 1. Decide how the system controller will be mounted: in the normal manner or ﬂ ush with the wall.
System Controller Layout of Electrical Terminals Clamp for electrical wiring Connector (CN02) for weekly timer or schedule timer (optional) P.C. board CN02 Ground for power wiring B3 B2 B1 A3 A2 A1 Fig. 3-58 How to connect electrical wiring Basic wiring Power supply 50 Hz/60 Hz, 220 –...
System Controller Basic Wiring Diagram Ensure that wiring connections are correct. (Incorrect wiring will damage the CAUTION equipment.) Outdoor Outdoor Outdoor Outdoor m ≤ 30 unit 1 unit 2 unit m unit 3 System Power supply controller 50 Hz/60 Hz 220 – 240 VAC) Ground Ground for control wiring System...
System Controller Address Switch Setting To avoid an electric shock hazard, To Installers, DO NOT touch any terminal on the WA R N I N G Printed Circuit Board with a metal After installation and adjust- rod, a screwdriver edge nor a bare ment, be sure to turn the hand when power is supplied.
System Controller Main/sub selection switch 2 3 4 5 6 7 8 OFF: System controller operates as main controller. ON: System controller operates as sub-controller. ALL/ZONE mode selection switch ALL mode: All indoor units can be controlled by system controller ZONE 1, 2, 3, 4 mode: Indoor units in one of zone 1, 2, 3, or 4 can be controlled by system controller.
System Controller 2 3 4 5 6 7 8 Weekly timer input switches. Must be set to OFF position. Auxiliary switch Must be set to OFF position. Beep tone switch OFF: Beep tone when each button is pushed. ON: No tone when each button is pushed. Indication switch Normally set to OFF position.
System Controller Mode Setting Central control Remote control According to the function of each system controller, set SW1 mode mode as Fig. 3-62. (1) Central control/Remote control mode 3 4 5 6 3 4 5 6 Central control mode System controller is used as central control central control remote control equipment.
System Controller How to Perform Zone Registration To operate the system controller properly, zone registration is required after ﬁ nishing the test run (and after setting all indoor unit addresses) using one of the following methods. (a) Zone registration using the remote controller (RCS-TM80BG) Refer to page 3-80 (b) Zone registration using the system controller (SHA-KC64AGB) Refer to page 3-81...
System Controller Zone Registration Table Indoor unit Indoor unit Central Unit Central Unit ZONE GROUP address ZONE GROUP address address location address location (UNIT No.) (UNIT No.) 1. Assign indoor unit addresses to the desired positions (central addresses) manually. NOTE 2.
System Controller (a) Zone registration using the remote controller (RCS-TM80BG) (Determination of central address) In this case, after conﬁ rming which indoor unit is con- nected to the remote controller and that the air conditioner in the OFF state, you set the central addresses one at a time.
System Controller (b) Zone registration using the system controller (SHA- If no data is KC64AGB) registered In this case, you set all Central addresses by system no number is displayed. controller at once manually. Selected (1) Press the buttons at the same time for group No.
System Controller How to Check Overlapping of Central Address Nos. (1) Press the buttons at the same time for more than 4 seconds. and CODE No. C1 will ﬂ ash. (2) Select CODE. No. C3 by pressing button and press the button.
System Controller System Examples The following diagrams show system examples and the correct setting of the switches on the PCB. (1) For a system without link...
System Controller (2) For a system with link...