Hitachi PSC-A32MN Installation And Operation Manual
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Hitachi PSC-A32MN Installation And Operation Manual

Central station
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INSTALLATION AND OPERATION MANUAL
MANUAL DE INSTALACIÓN Y FUNCIONAMIENTO
INSTALLATIONS- UND BETRIEBSHANDBUCH
MANUEL D'INSTALLATION ET DE FONCTIONNEMENT
MANUALE D'INSTALLAZIONE E D'USO
CENTRAL STATION
PSC-A32MN
MANUAL DE INSTALAÇÃO E DE FUNCIONAMENTO
INSTALLATIONS- OG BETJENINGSVEJLEDNING
INSTALLATIE- EN BEDIENINGSHANDLEIDING
INSTALLATION- OCH DRIFTHANDBOK
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  • Page 1 MANUAL DE INSTALAÇÃO E DE FUNCIONAMENTO INSTALLATION AND OPERATION MANUAL INSTALLATIONS- OG BETJENINGSVEJLEDNING MANUAL DE INSTALACIÓN Y FUNCIONAMIENTO INSTALLATIE- EN BEDIENINGSHANDLEIDING INSTALLATIONS- UND BETRIEBSHANDBUCH INSTALLATION- OCH DRIFTHANDBOK MANUEL D’INSTALLATION ET DE FONCTIONNEMENT MANUALE D’INSTALLAZIONE E D’USO CENTRAL STATION PSC-A32MN...
  • Page 4 C A U T I O N This product shall not be mixed with general house waste at the end of its life and it shall be retired according to the appropriated local or national regulations in a environmentally correct way. Due to the refrigerant, oil and other components contained in Air Conditioner, its dismantling must be done by a professional installer according to the applicable regulations.
  • Page 5 PERICOLO PERIGO FARE GEVAAR FARA KINAYNO CAUTION PRECAUCIÓN VORSICHT PRECAUTION ATTENZIONE CUIDADO FORSIGTIG LET OP VARNING NOTE NOTA HINWEIS REMARQUE NOTA NOTA BEMÆRK OPMERKING...
  • Page 6 Central Station Block/Group Register Table...
  • Page 7 Central Station Block/Group Register Table (2)
  • Page 8 INDEX ÍNDICE INHALTSVERZEICHNIS INDEX INDICE ÍNDICE INDHOLDSFORTEGNELSE INHOUDSOPGAVE INNEHÅLLSFÖRTECKNING English Original version...

  • Page 9: Safety Summary

    Safety summary 1 SAFETY SUMMARY This product has been designed for air conditioning systems. D A N G E R C A U T I O N C A U T I O N PMML0332A rev.0 - 05/2015...

  • Page 10: Main Features

    2 MAIN FEATURES This central station (PSC-A32MN) is connected to H-LINK and used for the central control and monitoring of air conditioners The following functions are available for all the indoor units which are connected to the central stations.

  • Page 11: Selection Of Installation Place

    Recommended cable: 600V CV, CCV, CEV H-LINK Cable (For control) Recommended cable: JKEPV-S, JKEV-S, CVV-S, CVV, 600V VCT * The recommended cables are the model name of Hitachi Cable, Ltd. 3.2 COMPONENTS LIST Unpack the unit and check that: The package contains all the components (see next table).

  • Page 12: Description Of The Parts

    H-LINK Transmission Line (Behind the PCB). For protection of H-LINK transmission line. DSW2 For terminating resistance. It is used for transmission line recovery. Model: PSC-A32MN For address setting of controller DSW1 For optional function setting N O T E D A N G E R PMML0332A rev.0 - 05/2015...

  • Page 13: General Data

    Installation 3.4 GENERAL DATA Outer Dimension Net Weight Installation Location Indoor Wall built-in with Installation Method JIS switch box for 2 switches (with cover) (JIS C 8340) Connected Indoor Units (Quantity) 160 (Max.) Clock Accuracy ±...

  • Page 14: Installation Space

    Installation 3.6 INSTALLATION SPACE Keep the installation space for the central station as shown below. (Unit: mm) Do not place anything in the shaded area “ ”. When installing two or more central stations side by side, keep the following separation between each of them. 3.7 INSTALLATION PROCEDURE 1 Install the switch box into the wall.
  • Page 15 Installation 3 Connect the wiring to the terminal board of the central station. M3 screw-on terminal For power supply Round terminal connection For H-LINK transmission 3-pin connector CN1 ~ 3 For external input/output Insert connector cords (accessory) H-LINK (Non-pole) AC100 to 240V until hearing a click.

  • Page 16: Electrical Wiring

    Indoor unit Power supply 100 to 240V Remote control switch Power supply cable AC100 ~ 240V 600V CV, CCV, CEV (Hitachi Cable) Earth wiring H-LINK (Control wire) JKPEV-S, JKEV-S, CVV-S, CVV, Wiring for external input Input: Non-voltage normal open 600V VCT (Hitachi Cable) and output >...
  • Page 17 Electrical wiring D A N G E R Switch setting procedure The list for switch settings of central stations is shown in the following table. 1 Apply switch settings as appropriate. Remarks RSW1 For address setting of central station When using multiple central stations units. (*) (16-pole Rotary Switch) ON: Setting for no H-LINK II support Refer to the chart in the next page.
  • Page 18 Electrical wiring DSW1 Setting Name DSW1 DSW2 DSW3 DSW4 Central Station EZ PSC-A64GT Central Station mini PSC-A32MN Central Station PSC-A64S Centralised ON/OFF Controller PSC-A16RS Combination of HC-A(8/64)MB Not compatible Other central PSC- A32MN with other controllers HC-A16KNX Not compatible central controllers...

  • Page 19: Operation

    Operation 5 OPERATION 5.1 TEST RUN ) are section. N O T E Start Power ON Language setting Setting temperature range of remote control Temperature unit setting Optional function setting Date and time settings Exception setting of run/stop operation Summer time setting External input/output setting Setting of control panel Button setting...

  • Page 20: List Of Items

    Operation List of Items Item Language Setting This function is used for language selection. Date and Time Settings This function is used for adjusting the date and time. The function is used for the registration of groups or blocks of the indoor units connected to the same H-LINK, Group Register This function is used for the registration of the main unit in each remote control group.
  • Page 21 Operation Item This function is used for setting of “Demand Function” to the terminal of “Input 1”. Operation state changes by demand signals such as operation stop, or thermo-OFF. “Demand Function” is available under the following conditions. Demand Function Setting 1.
  • Page 22 Operation 5.1.1 Power ON Turn on the power supply of the air conditioners. To protect the compressor, the power supply should be turned on 12 hours before starting operation. Do not turn the power supply off during air conditioning seasons. Turn on the power supply of the central station.

  • Page 23: Adjusting Date/Time

    Operation 5.1.4 Adjusting Date/Time After setting the temperature unit, the screen for adjusting date and time screen is displayed on the touchscreen as shown in the Tap “Set” on the touchscreen display, and set the date and time following the indicated procedure. Refer to the section in the chapter for detailed information.
  • Page 24 Operation 5.1.6 Setting of control patterns After adjusting date and time settings, the control pattern screen is displayed. Tap “Set” on the touchscreen to proceed to the setting of control patterns. When tapping on a control pattern button, the selected button is highlighted with an orange outline. The procedure for the setting of control patterns is explained below.
  • Page 25 Main Unit: The representative unit of the remote control group. The central station transmits control orders to this representative unit. Sub Unit: Indoor units other than the main unit of the remote control group. PSC-A32MN Outdoor unit Indoor unit Remote...
  • Page 26 Operation 5.1.7.3 Sub Unit Registration 2 blocks with 16 groups each). Indoor units without a remote control switch cannot be registered as sub units. and then proceed to the new register. 5.1.7.4 Registration of a group (Main unit) 1 Select “Group Register” on the “Service Menu” screen. N O T E 2 Select “Main Unit Register”...
  • Page 27 Operation 3 Select the group for registration of the main unit. Tap buttons “<” and “>” on the upper left of the touchscreen to switch the block display. The numbers shown inside the buttons indicate block number and group number. Select a group button by tapping it.
  • Page 28 Operation Tap buttons “<” and “>” on the upper left of the touchscreen to continue with the setting of another Block, or tap the “Setting complet.” button to exit. 6 Tap “Setting Complet.” to register the group and return to Group Register menu screen. 7 Tap “Monitor screen”...
  • Page 29 Operation 2 Select “Sub Unit Register” on the screen of “Group Register”. 3 Select the group for registration of the sub unit. Tap buttons “<” and “>” on the upper left of the touchscreen to switch the block display. Select a group by tapping it. The selected button is highlighted with an orange outline. If the selected group button is tapped again, the selection is cancelled.
  • Page 30 Operation Tap buttons “<” and “>” on the upper left of the touchscreen to continue with the setting of another Block, or tap the “Setting complet.” button to exit. 6 Tap “Setting complet.” on “Group Register (Sub Unit Register)” to return to the “Group Register” screen. 7 Tap “Monitor screen”...
  • Page 31 Operation 5.1.7.6 Cancellation of group registration 1 Select “Group Register” on the screen of “Service Menu”. Refer to N O T E 2 Select “Main Unit Register (or Sub Unit Register)” on the screen of “Group Register”. 3 Select the group to cancel registration. Tap buttons “<”...
  • Page 32 Operation 5.1.7.7 Checking of group registration (Checking of main unit register) 1 Select “Group Register” on the “Service Menu” screen. Refer to section N O T E 2 Select “Main Unit Register” (or “Sub Unit Register”) on the “Group Register” screen. 3 Tap “Check Setting”...
  • Page 33 Operation 5.1.7.8 Checking of group registration (checking register details) 1 Select “Group Register” on the “Service Menu” screen. Refer to section N O T E 2 Select “Display list of registers” on the Group Register screen. 3 Select the display target (All Groups / individual Blocks) 4 The refrigerant system number and the address of all the units connected to each Group are displayed.

  • Page 34: Main Screen

    Operation 5.2 MAIN SCREEN 5.2.1 Overall view “Monitor (All Groups)” The screen display changes into “Block” Monitor Indicates the state of the unit with Indicates the current display (Block) display by tapping this button. (All Groups) Indicates the operation state of each group as follows: Green: Running...
  • Page 35 Operation “Monitor (Block)” Changes the monitor display into “Block” or “All Groups” display. Indicates the operation status Indicates the current display Indicates the state of the unit with Green: Running (groups in block) Grey: Stopped Red: Abnormal If the target group button is tapped, “Settings” of the target group screen will be indicated.(*) (Refer to section Runs the operation of all groups in the target...
  • Page 36 Operation 5.2.2 Group and block settings 5.2.2.1 Display of All Groups 1 Tap “All Groups” on the touchscreen display. The tab marked with (1), “All Groups”, is not displayed if only one block has been registered. (1)* 2 All groups are displayed on the touchscreen (all the indoor units connected to the central station are shown). The operation status of each group is indicated by the colour of the group, as shown below: Green: Run Grey:...
  • Page 37 Operation 5.2.2.2 1 Select the target block from the screen of “Monitor (All Groups)” or “Monitor (Block)”. Monitor (All Groups) Monitor (Block) 2 The groups in the selected block are displayed on the touchscreen. The operation status of each group is indicated by the colour of the group, as shown below: Green: Grey:...
  • Page 38 Operation 5.2.2.3 Simultaneous Run/Stop for All Groups 1 Tap “All Groups” on the touchscreen display. 2 Tap “Run all gr.” to run all the groups simultaneously. Tap “Stop all gr.” to stop all the groups simultaneously. Tap “No” to cancel this command. N O T E PMML0332A rev.0 - 05/2015...
  • Page 39 Operation 5.2.2.4 Simultaneous Run/Stop for each Block 1 Select the target block from the touchscreen display to set simultaneous Run/Stop operation. 2 Tap “Run by Block” to run all the groups in the selected block simultaneously. Tap “Stop by Block” to stop all the groups in the selected block simultaneously. block connected to the central station.
  • Page 40 Operation 5.2.2.5 Run/Stop for Each Group Check the control mode before setting. The control method is different depending whether the control mode is set to “Normal” or “Run/Stop Only”. Run/Stop operation for each group (Control mode: Normal) 1 Select the screen of “Monitor (All Groups)” or “Monitor (Block)”. Select the group to set by tapping its group button. Monitor (All Groups) Monitor (Block) 2 The settings of the selected group appear displayed on the touchscreen display.
  • Page 41 Operation Run/Stop operation for each group (Control mode: Run/Stop only) Monitor (All Groups) 1 Select the target group at the “Monitor (All Groups)” screen in “Run/Stop Only” mode. 2 The operation state of the selected group is switched alternatively between Run and Stop when tapping its button. In this mode, simultaneous Run/Stop operation for all groups is available with the “Run all gr.”...
  • Page 42 Operation 5.2.3 Main parameters setting 5.2.3.1 Operation Mode 1 Select the target group for the change of operation mode settings at the “Monitor (All Groups)” or “Monitor (Block)” screens. The screen with the settings for the selected group is displayed on the touchscreen. Monitor (All Groups) Monitor (Block) 2 By tapping the “...

  • Page 43: Fan Speed

    Operation 5.2.3.2 Fan Speed 1 Select the target group for the change of fan speed setting at the “Monitor (All Groups)” or “Monitor (Block)” screens. The screen with the settings for the selected group is displayed on the touchscreen. Monitor (All Groups) Monitor (Block) 2 By tapping “...
  • Page 44 Operation 5.2.3.3 Swing Louvre Direction 1 Select the target group for the change of swing louvre direction at the “Monitor (All Groups)” or “Monitor (Block)” screens. The screen with the settings for the selected group is displayed on the touchscreen. Monitor (All Groups) Monitor (Block) 2 By tapping “...

  • Page 45: Setting Temperature

    Operation 5.2.3.4 Setting Temperature 1 Select the target group for the change of setting temperature at the “Monitor (All Groups)” or “Monitor (Block)” screens. The screen with the settings for the selected group is displayed on the touchscreen. Monitor (All Groups) Monitor (Block) 2 By tapping “...
  • Page 46 Operation 5.2.3.5 Permission/prohibition of operation from remote control switch This function is used for prohibiting the operation from the remote control switch (RCS). When the remote control switch is set as prohibited (by item / for all Items), the control of the selected item becomes unavailable. The items that can be selected are: Run/Stop, operation mode, fan speed, swing louvre and temperature.
  • Page 47 Operation 3 Tap “Monitor screen” to return to the “Monitor” screen. N O T E PMML0332A rev.0 - 05/2015...
  • Page 48 Operation 5.3 MENU The table below shows the menu items and their functions. Item Filter Sign Reset air conditioner units. This function is used to start and stop the operation of air conditioners at the desired time. Schedule Setting It is possible to set the schedule in block and group units. This function is used for setting the time (by the minute), “Run/Stop”...

  • Page 49: Display Menu Screen

    Operation 5.3.1 Display menu screen The setting items for the indoor unit and central station are laid out in the menu. 1 Tap “Menu” at the “Monitor (All Groups)” or “Monitor (Block)” screens. Monitor (All Groups) Monitor (Block) 2 The “Menu” screen is displayed. 3 Select the item from the “Menu”...
  • Page 50 Operation 5.3.2 Filter Sign Reset 5.3.2.1 Reset Filter Sign The target groups are indicated in yellow. When selected, a “ ” sign appears on the group button. 3 Tap “Execute reset”. Tap “No” to return to the “Filter Sign Reset” screen. 5 Tap “Menu”...
  • Page 51 Operation 5.3.2.2 Reset Filter Operating Time 2 Select the target to reset the Filter operating time. Tap “Display All Groups” to target all groups. The target Groups are indicated in Yellow. When selected, the group button will be indicated with a “ ”...
  • Page 52 Operation 5.3.3 Scheduled settings This function is used for timer operation. It is possible to set a schedule for a block and for each group. A holiday setting independent of the schedule is also available. 5.3.3.1 Schedule timer settings Timer setting for weekly schedule 1 Select “Schedule Settings”...
  • Page 53 Operation returns to the schedule setting screen. Go back to step (4) to continue adding settings for other days of the week. 8 Tap “Return to Group Sel.” to set the schedule timer for other groups. The screen returns to “Setting Group Selection” screen. After setting the schedule, the registered schedule number ( ) appears indicated in the group button.
  • Page 54 Operation Copying schedule setting by days of the week 1 Select “Schedule Settings” at the “Menu” screen. 2 Select “Schedule Timer Setting” at the “Schedule Settings” screen. 3 Select the target (all groups, block or group). 4 Tap “Copy Day of Week”. 5 Select the day of the week to copy.
  • Page 55 Operation Copying schedule setting by each group 1 Select “Schedule Settings” at the “Menu” screen. 2 Select “Schedule Timer Setting” at the “Schedule Settings” screen. 3 Tap “Copy Settings”. 4 Select the group to copy. (A block cannot be selected as a source for copy). The button of the selected group is highlighted in orange.
  • Page 56 Operation Deleting schedule setting by individual item 1 Select “Schedule Settings” at the “Menu” screen. 2 Select “Schedule Timer Setting” at the “Schedule Setting” screen. 3 Select the target (all groups, block or group). 4 Tap “Delete Settings”. 5 Select a schedule item number to delete that schedule item. It is possible to select multiple item number, even for different days of the week, when switching the display to each day by tapping its tab.
  • Page 57 Operation Deleting schedule setting by each group 1 Select “Schedule Settings” at the “Menu” screen. 2 Select “Schedule Timer Setting” at the “Schedule Settings” menu. 3 Tap “Delete Settings”. 4 Select the groups or blocks to delete their settings. A check mark “ ” is displayed in the selected groups and blocks. It is possible to select multiple groups and blocks for deletion.
  • Page 58 Operation 5.3.3.2 Holiday setting for suspending operation 1 Select “Schedule Settings” at the “Menu” screen. 2 Select “Holiday Setting” at the “Schedule Settings” screen. 3 Select the target (all groups, block or group). The calendar for the selection is shown. The buttons of the groups with holiday setup are shown in blue.
  • Page 59 Operation 5.3.3.3 Schedule timer ON/OFF setting 1 Select “Schedule Settings” at the “Menu” screen. 2 Select “Schedule Timer ON/OFF Setting” at the “Schedule Settings” screen. The screen changes to “Schedule Timer ON/OFF Setting”. The initial setting is “ON”, as indicated with the “ ”...
  • Page 60 Operation 5.3.4 Adjustment of the setting temperature range of the remote control 1 Select “Setting temp range of the remote control” at the “Menu” screen.* * Selection is not possible in case that the connected air conditioners do not support this function. 2 Select the target for setting of temperature range.

  • Page 61: Date And Time Settings

    Operation 5.3.5 Date and time settings 1 Select “Date and time Settings” at the “Menu” screen. 2 Set the display in order of “Year”, “Month” and “Day”. 3 Tap or press-and-hold the “ ” or “ 4 Tap “Setting completed” to return to the “Menu” screen. N O T E 5.3.6 Display of screen for cleaning 1 Select “Display of screen for cleaning”...
  • Page 62 Operation 5.3.7 Touchscreen Calibration 1 Select “Touchscreen Calibration” at the “Menu” screen. 2 Calibrating touchscreen Tap the intersections of white lines in order, as prompted on the screen. And then, and the display returns automatically to the “Monitor (All Groups)” or “Monitor (Block)” screens, without calibrating. 3 “Checking tap position of touchscreen”...
  • Page 63 Operation 5.3.8 Registration of names of Groups and Blocks 5.3.8.1 Group name register 1 Select “Group Name Register” at the “Menu” screen. 2 Select the target (block or group) to register its name. 3 The display changes to the text input screen. It is possible to choose between upper case, lower case and symbol keyboards.
  • Page 64 Operation 5.3.8.2 Copy of group or block name 1 Select “Group Name Register” at the “Menu” screen. 2 Select the source group or block to copy. The button of the selected group or block appears highlighted with an orange frame. Press the button of the selected group or block again to cancel the selection.
  • Page 65 Operation 5.3.9 Screen Display Setting 5.3.9.1 Adjustment of backlight brightness of the touchscreen display 1 Select “Screen Display Setting” at the “Menu” screen. 2 Select “Brightness” at the “Screen Display Setting” screen. 3 Tap “<” or “>” to adjust the brightness of the backlight. 4 Tap “Setting Completed”...
  • Page 66 Operation 5.3.9.2 Language setting 1 Select “Screen Display Setting” at the “Menu” screen. 2 Select “Language” at the “Screen Display Setting” screen. 4 Tap “Setting completed” to return to the “Screen Display Setting” screen. PMML0332A rev.0 - 05/2015...
  • Page 67 Operation 5.3.9.3 Temperature unit setting 1 Select “Screen Display Setting” at the “Menu” screen. 2 Select “Temperature Unit” at the “Screen Display Setting” screen. 3 Select Celsius degrees or Fahrenheit degrees with the corresponding button. The selected button is highlighted in yellow. 4 Tap “Setting completed”...
  • Page 68 Operation 5.3.10 Accumulated Operation Time 5.3.10.1 Display by month 1 Select “Accumulated Operation Time” at the “Menu” screen. 2 Tap “Display by Month”. 3 Tap the “<” or “>” buttons to select the target block. 4 Tap the “<” or “>” buttons to select the target year and month. 5 Tap “Menu”...
  • Page 69 Operation 5.3.10.2 Display by group 1 Select “Accumulated Operation Time” at the “Menu” screen. 2 Tap “Display by Group”. 3 Tap the “<” or “>” buttons to select the target Block. 4 Tap the “<” or “>” buttons to select the target Group. 5 Tap “Menu ”...
  • Page 70 Operation 5.3.11 Contact Information 1 Select “Contact Information” at the “Menu” screen. The following information is displayed: Contact information (2 independent items) Name of block and group of the latest alarm occurrence Latest alarm code 2 Tap “Menu” to return to the “Menu” screen. N O T E PMML0332A rev.0 - 05/2015...
  • Page 71 Operation 5.3.12 Summer time setting 1 Select “Summer Time Setting” at the “Menu” screen. The following information is displayed: 2 Select the function concerning each item. Then, the colour of the selected function changes. PMML0332A rev.0 - 05/2015...

  • Page 72: Service Menu

    Operation 5.4 SERVICE MENU N O T E Items The connected indoor units are checked by the central station in the same H-LINK. This function is used for Group Register the group or block registration of them. Setting of control patterns Set the control pattern.
  • Page 73 Operation 1 Tap “Menu” on the “Monitor (All Groups)” or “Monitor (Block)” screens. Monitor (All Groups) Monitor (Block) 2 “Menu” screen is displayed. 3 Press and hold “Service Menu” for at least 3 seconds. “Service Menu” is displayed. 4 Select the service menu item by tapping each item button. The setting screen of the tapped item will be displayed. 5 Tap “Menu”...
  • Page 74 Operation 5.4.1 Group register N O T E 5.4.2 Optional Function Setting This function is used for setting and changing the selection of air conditioner and central station functions listed in the following table. Set by Monitor Menu Service Menu Optional Function Setting.
  • Page 75 Operation 5.4.2.1 Air Conditioner Remote Control Settings 1 Select “Optional Function Setting” on the “Service Menu” screen when the air conditioners are not in operation. 2 Select “Remote control setting” on the Menu screen. Selection is not possible when one or more air conditioners are in operation. 3 Select the target of Optional Function (All Groups/Block/Group).
  • Page 76 Operation 5.4.2.2 Controller Setting 1 Select “Optional Function Setting” on the “Service Menu” screen when the air conditioners are not in operation. 2 Select “Controller setting” on the “Optional Function Setting” screen. 3 Select the setting of each of the function items as necessary. The selected setting appears highlighted in yellow. About OFF time Remote control prohibition When it is enabled, it is not possible to set remote operation prohibition (for individual items).
  • Page 77 Operation 5.4.3 Exception Setting of Run/Stop Operation “RUN” and “STOP” orders are not accepted when the group is set to operation in “All groups” or “All blocks”. None Run + Stop Stop N O T E 1 Select “Exception Setting of Run/Stop Operation” on the “Service Menu” screen. 2 Select the operation to exclude.

  • Page 78: External Input Function

    Operation 5.4.4 External Input/Output Setting The External Input/Output function of the central station provides the capacity to control 4 inputs and 2 outputs. Select “External Input/Output Setting” on the “Optional Function Setting” screen to access the setting menu. All Run/Stop (Level) Input 1 CN1 Pins 1-2 Emergency Stop (Level)

  • Page 79: External Output Function

    Operation 5.4.4.2 External Output Function 1 All Run Output External output of indoor unit operation signal to the target group. The operation signal is output even if one indoor unit in the target group is in operation. 2 External Output Alarm External output alarm signal of indoor units to the target group.
  • Page 80 Operation 5.4.4.4 External Input setting 1 Select “External Input/Output setting” on the Service Menu screen. Selection is not possible when air conditioners are in operation, or when the contact for external input signal is ON. 2 Select the input target (From input 1 to 4) of the external input. 3 Select the function to be used with the external input.
  • Page 81 Operation Outdoor unit capacity control 5 Select the value for Outdoor Unit Capacity. The selected capacity value button is highlighted in yellow. 6 Use the buttons on the right side of the screen in order to schedule outdoor unit capacity control when there is no external input contact being applied for this purpose.
  • Page 82 Operation Other settings 10 Select the target of External Input Control. (All Groups/Block/Group). Tap the button of a Group to switch its selection state. Tap the button of a Block to switch the selection state of all the Groups in the Block. Tap the “All Groups selection”...
  • Page 83 Operation 5.4.5 Button Setting Button setting is used to select whether to show or hide certain operation buttons, thus restricting operation. Set by Monitor Menu Service Menu Button Setting. 1 Select “Button Setting” on the screen of “Service Menu”. 2 Select the function concerning each items. The selected function appears highlighted in yellow. PMML0332A rev.0 - 05/2015...
  • Page 84 Operation 5.4.6 Contact Information Register This function is used to edit or register the displayed contact information. Set by Monitor Menu Service Menu Contact Information Register. 1 Select “Contact Information Register” on the “Service Menu” screen. 1” and “Contact Information 2”. 3 Enter the desired text at the keyboard screen.
  • Page 85 Operation 5.4.7 Memo 5.4.7.1 Register memo 1 Select “Memo” on the “Service Menu” screen. 2 Select the target to register. The character input screen is displayed. 3 Select a registered character from the character list. characters. 6 Tap “Service Menu” to return to the “Service Menu” screen. PMML0332A rev.0 - 05/2015...
  • Page 86 Operation 5.4.7.2 Delete memo 1 Select “Memo” on the “Service Menu screen. 2 Tap “Delete Memo”. 3 Select the memo to delete. Tap a memo button to switch its selection state. It is possible to select multiple memos. A check mark is displayed on the selected memos. 4 Tap “Proceed”...

  • Page 87: Restore Settings

    Operation 5.4.8 Restore Settings 1 Select “Restore Settings” on the “Service Menu” screen. N O T E N O T E and a check of the connections of the system starts. N O T E Information It is also possible to restore the settings when the “Start-up” screen is being displayed. 1 Tap the “Restore”...

  • Page 88: Checking Connection

    Operation 5.4.9 Checking Connection 1 Select “Checking Connection” on the “Service Menu” screen. N O T E N O T E Keeping settings If the number of connected units is indicated correctly, tap “Yes”. The screen of “Main Unit Register” will be displayed. Refer to section 5 If the indicated number of connected units is different from the actual number, tap “No”.
  • Page 89 Operation N O T E Not keeping settings “Yes” cannot be selected when there are units with remote control switch operation prohibition settings. All remote control switch operation prohibitions shall be cancelled beforehand. N O T E PMML0332A rev.0 - 05/2015...
  • Page 90 Operation 5.4.10 Alarm History This function is used to record the time of alarm occurrence, the unit in which the abnormality has occurred and the relevant alarm code. The deletion of the alarm history record is also performed by this function. Set by Monitor Menu Service Menu...
  • Page 91 Displayed when demand input is set by optional external input function. The icon blinks during Demand the demand control. Contact your dealer or a Hitachi customer service centre for detailed information. Displayed when optional outdoor unit capacity control schedule is enabled, blinks during the Demand (Schedule) control.
  • Page 92 When the device stops due to this reason, perform the starting procedures again. Freezing of display at the “Start-up” screen There is the possibility that a communication error occurred. Contact your dealer or a Hitachi customer service centre for detailed information.

  • Page 93: Troubleshooting

    Troubleshooting 6 TROUBLESHOOTING Check the following table before contacting a dealer for assistance. Cause Check that the wiring for the power supply is connected to the wall plug. Indications on the touchscreen are not displayed. Check that the power supply is turned ON. The touchscreen enters in sleep mode automatically when the touchscreen is not The touchscreen display is in sleep mode.

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