Hitachi PSC-A128WX2 Installation Manual
Hitachi PSC-A128WX2 Installation Manual

Hitachi PSC-A128WX2 Installation Manual

Air conditioner managing system central station dx adapter

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Installation Manual
HITACHI Air Conditioner Managing System
Central Station DX Adapter
Model: PSC-A128WX2
Notice: Please provide this manual to the next operator to be referenced and kept in a place.
(Installer) → (Wiring electrician) → (Test run operator) → (Customer)
Tick the
after checking the item.
Read and understand this manual before installing the adapter.
This installation manual applies to PSC-A128WX2 only. Refer to the installation manual packaged together with
the management software (PSC-AS2048WXB2) and air conditioners you are combining.
Preface
● Central controller for air conditioner, "Central Station DX Adapter".
● For the practical usage, this software needs to be connected to management computer, with management
software (PSC-AS2048WXB2) installed, via LAN. Management computer is not in the package.
● Do not install this adapter at following places. If installed, it will cause a fire, malfunction and corrosion.
○ Places where oil mists or stream drifts.
○ Places where sulfide gas form as hot spring is near.
● Do not install this adapter at following places. If installed, it will cause corrosion.
○ Places where high in salt contents surrounding as coast regions.
○ Places where with atmosphere of acidity and alkalinity humid place.
● Do not install this adapter at following places. If installed, it will cause malfunction and failure.
○ Places where the adapter is exposed to the direct sunlight.
○ Places where the temperature is extremely high.
○ Places where the adapter may be wet.
○ Places where there is poorly ventilated.
● Do not install this adapter where the electromagnetic wave is directly radiated to the electrical parts.
● Do not install this adapter within 3 meters from strong electromagnetic wave radiators such as medical
equipment.
Safety Summary
● Please carefully read this section before installing the adapter.
● Contents with "
personal injury or even death. For your safety, please follow the instruction.
● Turn the adapter ON to check the adapter is correctly installed and wired upon completing operation.
[ Symbols Used in This Manual ]
: Immediate hazards which WILL result in severe personal injury or death.
: Indicates enforcement matters against the general users.
: Indicates prohibited matters.
NOTE: This sign indicates other alert information than DANGER.
NOTICE: Useful information for operation and/or maintenance.
" shows the certain cases where improper operation WILL result in severe
317B48307

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Summary of Contents for Hitachi PSC-A128WX2

  • Page 1 Tick the after checking the item. Read and understand this manual before installing the adapter. This installation manual applies to PSC-A128WX2 only. Refer to the installation manual packaged together with the management software (PSC-AS2048WXB2) and air conditioners you are combining. Preface ●...
  • Page 2 Installation Work ● Upon installation, please carefully read and follow this manual. Improper installation can cause electric shock, fire or unexpected accidents. ● Ensure that the installation place is strong enough. If not, the adapter may fall down and could result in injury.
  • Page 3: System Configuration

    1. System Configuration Figure 2.1 below shows a sample configuration with a PSC-A128WX2 adapter module. This installation manual only addresses the PSC-A128WX2 module. Refer to the management software manual (PSC-AS2048WXB2) when used in combination with PSC-A128WX2. Refer to the respective operation manuals for each other component in the system.
  • Page 4: Outer Dimensions

    2. Outer Dimensions (Unit: mm) For External Input For External Output For LAN Power Supply SW For H-LINK PSC-A128WX2 Figure 2.1: Outer Dimensions 17B48307...
  • Page 5: Part Name And Functions

    * When turning ON the power supply switch, push “-” mark (upper side). And when turning OFF the power supply switch, push “o” mark (lower side). Please note that as long as power is supplied, PSC-A128WX2 is electrically ON even if it is turned OFF.
  • Page 6 Figure 3.3 shows a PSC-A128WX2 with the top cover removed. The name of each part is shown below. For connecting method, refer to [5.3 Electric Wiring Connection], and for setting DSW refer to [7.4 Switch Setting Procedure]. Earth Terminal (EARTH) SW6 (8 Poles DSW) “MODE”...
  • Page 7: Specifications

    4. Specifications The hardware specification for PSC-A128WX2 is shown in Table 4.1, and the communication specification for H-LINK and for LAN are shown in Tables 4.2 and 4.3. Table 4.1: Hardware Specification for PSC-A128WX2 Specification Item Outer Dimension 240 x 154 x 68 mm...
  • Page 8: Installation Work

    (1) Refer to the clause “Safety Summary” of this installation manual. (2) If installing horizontally, it must be on a stable location such as a table/desk. On the firm wall where PSC-A128WX2 can be stably fixed with M5 screws (if installing on the wall, vertically.) 5.2 Installation Procedure (1) Create the necessary clearance for the PSC-A128WX2 module as shown in Figure 5.1.
  • Page 9 (c) If the heads of the upper cover fastening screws are loosened to about 5mm, you'll be able to remove the top cover. (d) Firmly secure the PSC-A128WX2 to the wall with four M5 screws (Field-Supplied) from inside the PSC-A128WX2.
  • Page 10: Electrical Wiring Connections

    Indoor unit Indoor unit H-LINK External device ⑤ ④ (Not in the package) Management computer ③ PSC-A128WX2 CCCA01 (Not in the package) (Not in the package) (Ethernet) ① ② Management software Management software CCCS01 PSC-AS2048WXB2 (Not included in the package) 24V ~...
  • Page 11 (5) Connect all wiring according to Table 5.3. The screw sizes for all terminals are M3 and the tightening torque is 0.5N m. In addition, the item number · (shown as No.) in Table 5.3 corresponds to the number in Table 5.2 from the previous page. Table 5.3: Electrical Wiring Connection Procedures Other End Electrical Wiring...
  • Page 12 NOTE Connection with External Device *1) External input circuit is 24VDC applicable by using the pull-up resistor in PSC-A128WX2. The maximum allowable amount of current from the PSC-A128WX2 is 5mA. Pulse duration and pulse interval need to be set to 500ms or longer when using external input with pulse input.
  • Page 13 This switch is used for self-checking mode. “OPTION” The procedure for setting each switch is as follows: (a) Turn OFF the power switch of PSC-A128WX2, and remove the top cover after checking that the LED is turned OFF. (b) Modify the Switch setting.
  • Page 14: Led Indicator

    5.5 Test Run Turn ON the PSC-A128WX2 after the installation of electrical wiring operation, and the switch settings are completed. The PSC-A128WX2 will complete startup within approximately one minute to start checking connections. (1) Turn all the air conditioners ON. Check that Test Run for each unit is completed to ensure proper operation.
  • Page 15 Table 6.2: Contents and Indication of ERROR LED and 7-segment LED Condition for LED ON 7-Segment Priority for Condition Condition for indicator OFF ERROR LED and its contents indication Software No error is detected on the Error is detected on the software Start up Error software.
  • Page 16 (6) Each check procedure will start upon pressing down the SW5 “OPTION” switch after setting the SW2 “OPTION”. (7) Upon completing self-checking, turn the power to the PSC-A128WX2 OFF, and set the SW2 “OPTION” as set before self-checking, and turn ON PSC-A128WX2.
  • Page 17: Periodic Check

    (3) Turn the Power OFF and check that all the LED indicators are turned OFF. Switch SW2 “OPTION” Pin 8 to OFF, then turn the Power ON again and reinstall the top cover of the PSC-A128WX2. (4) Set IP address from [Settings] > [Network register] in the management software (PSC-AS2048WXB2) again.
  • Page 18: Troubleshooting

    Replace with new fuses if they are blown. condition? Is POWER LED illuminated? There can be a defect in the PSC-A128WX2 if the POWER LED is not illuminated without meeting conditions described above. Contact your distributor or dealer. Does ERROR LED and/or 7-Segment...
  • Page 19 Is the LAN cable connected to the Connect LAN cable to the management management computer? computer. Check the connector fit. Is the IP address of PSC-A128WX2 The default IP address is 192.168.0.3. specified in PSC-AS2048WXB2 in the Adapt the default address by following management computer? Clause 6.3 when the modified address...
  • Page 20: Software Licensing

    Please see the user license agreement for each software module listed below for details of their conditions of use. (As these are provided by third parties and not by Johnson Controls – Hitachi Air Conditioning they are presented in the original English.) Please be aware that we cannot respond to any questions about source code, etc.

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