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Hitachi PC-AR Installation & Maintenance Manual

Wired remote control switch
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Installation & Maintenance Manual
Wired Remote Control Switch (Model: PC-AR)
IMPORTANT:
READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS WIRED REMOTE CONTROL SWITCH.
KEEP THIS MANUAL FOR FUTURE REFERENCE.
IMPORTANT NOTICE:
 No part of this manual may be reproduced without written permission.
Signal words (DANGER, WARNING and CAUTION) are used to identify levels of hazard seriousness. Definitions of
identifying hazard levels are provided below with their respective signal words.
:
Immediate hazards which WILL result in severe personal injury or death.
DANGER
:
Hazards or unsafe practices which COULD result in severe personal injury or death.
WARNING
CAUTION
:
Hazards or unsafe practices which COULD result in minor personal injury or product or property
damage.
NOTE: Useful information for operation and/or maintenance.
1. SAFETY SUMMARY
DANGER
 DO NOT pour water into the remote control switch (hereafter called "controller"). This product is equipped
with electrical parts. If poured, it will cause a serious electrical shock.
WARNING
 DO NOT perform installation work and electrical wiring connection by yourself. Contact your distributor or
dealer of HITACHI and ask them for installation work and electrical wiring by service person.
CAUTION
 DO NOT install the indoor unit, outdoor unit, controller and cable at such places as;
1. Where there is oil vapor and the oil is dispersed
2. Where the hot springs are near (in a sulfuric environment)
3. Where generation, flowing, staying or leaking of flammable gas is detected
4. Where the sea is near (in the salty environment)
5. An acid or alkaline environment
 DO NOT install the indoor unit, outdoor unit, controller and cable within approximately 3 meters from strong
electromagnetic wave radiators such as medical equipment. In case that the controller is installed in a place
where there is electromagnetic wave direct-radiation, shield the controller and cables by covering with the
steel box and running the cable through the metal conduit tube.
 In case that there is electric noise at the power source for the indoor unit, provide a noise filter.
The box
is for checking work. Check the box after checking.
2. Installation Work
[2.1 Selection of Installation Place]
1) Select a suitable place for handling and determine the installation place of the controller with the customer's
acceptance. Do not install the controller at such places as;
 where children can touch
 where the air from the air conditioner is directly discharged
[2.2 Before Installation]
This packing contains the following parts.
[A] Remote Control Switch (Q'ty: 1, For Operation Control)
[B] Screw <M4x16L> (Q'ty: 2, For Fixing the Holding Bracket onto the Wall)
[C] Ring Core (Q'ty: 1)
[D] Band (Q'ty: 1, For Fixing Cable to Ring Core)
[E] Operation Manual (Q'ty: 1)
[2.3 Installation Space]
1) In case of installing the controllers in vertical line, keep a distance more than 50mm
between the controllers vertically. If the distance is insufficient, the front cover of
the controller can not be opened wide enough.
1
More than 50mm
317B39060

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Table of Contents
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  Summary of Contents for Hitachi PC-AR

  • Page 1 WARNING  DO NOT perform installation work and electrical wiring connection by yourself. Contact your distributor or dealer of HITACHI and ask them for installation work and electrical wiring by service person. CAUTION  DO NOT install the indoor unit, outdoor unit, controller and cable at such places as;...
  • Page 2: Electrical Wiring

    [2.4 Installation Procedures] Figure Seen from Bottom Side Groove Part for Removing Controller 1) Insert the edge of the slotted screwdriver into the groove at the bottom of the holding bracket, push and turn the slotted screwdriver and then remove the controller from the holding bracket.
  • Page 3: Checking Procedures

    [3.2 Electrical Wiring for Multiple Units] ATTENTION: Always make sure to turn off the power of the indoor unit when performing electrical wiring work. Performing electrical wiring work with the power on can damage the circuit boards of the indoor unit and the controller. Max.
  • Page 4 4) Canceling “TEST RUN” Mode 1. When the unit is not operating, press the RESET switch. 2. When the unit is operating, press the RUN/STOP switch. ATTENTION: When “00” is indicated, the auto-address function may be performing. Cancel the “TEST RUN” mode and set it again. 5.
  • Page 5 6. Initialization of Optional Setting and Input / Output Setting The procedure for initialization of optional settings and input / output settings are as follows. 3. Selection of Indoor Unit Normal mode (when unit is not operating) "07" flashes. Select the address of the indoor unit 1.
  • Page 6 Individual Setting No. Items Optional Function Contents Setting Condition Not Used Not Prepared (Use as 00 conditions) Not Prepared "- -" Fixed Not Used Not Used Not Prepared (Use as 00 conditions) Not Used Not Prepared (Use as 00 conditions) Not Available Hi Speed Hi Speed 1 (*2)
  • Page 7 Individual Setting No. Items Optional Function Contents Setting Condition Not Used Not Prepared (Use as 00 conditions) Fan Operation Control at Heating Not Available Thermo-OFF Available Not Used Not Prepared (Use as 00 conditions) Not Used Not Prepared (Use as 00 conditions) Not Available Fan Operation Control at Cooling Thermo-OFF...
  • Page 8 Individual Setting No. Items Optional Function Contents Setting Condition Standard Lower Limit +1 Lower Limit +2 Cooling Lower Limit for Setting Temperature (*5) Lower Limit +9 Lower Limit +10 Standard Upper Limit -1 Upper Limit -2 Heating Upper Limit for Setting Temperature (*6) Upper Limit -9 Upper Limit -10...
  • Page 9 7. Changing Indoor Unit Address from Controller The address (unit number) of the indoor unit can be changed by using the controller (PC-AR). NOTES: * In case of operating with two controllers (Main and Sub), the address of the indoor units cannot be changed or checked.
  • Page 10 (3) Address Change Mode Change the address (unit number) of the indoor unit. 3. Selection of Indoor Unit Normal Mode (when unit is not operating) "04" indicated. Select the address of the indoor 1. Change to the optional setting mode. unit to be changed.
  • Page 11 (4) Address Initialization This is used to initialize an address that has been changed in the address change mode or to initialize an indoor unit address that has been set with the automatic address function. When set this function, the address of the indoor unit is returned to the dip switch setting.
  • Page 12 Normal mode 1 and output 1 and 2 are returned to the "NO FUNCTION" flashes for 2 factory settings. "NO FUNCTION" flashes seconds for 2 seconds following this procedure. © 2016 Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Ltd. 317B39060(Q), 2016...