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 Information useful for maintenance can be displayed on the remote controller.

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Easy Maintenance Function (Only for PUHZ type)

New Display

While pressing the MODE button, press the ON/OFF button for 2 seconds to activate the remote control function selection mode. While pressing the MODE button, press the ON/OFF button for 2 seconds to activate the remote control function selection mode. No. 2 Sensor data on the indoor unit that is connected to the remote control.

Dot Liquid Crystal Display (LCD)

Multi-language Display

The Other Functions

Temperature Range Limit Setting

Auto Off Timer

Simple Operation Lock

The operating condition of inverter models can be monitored using the maintenance stable operation control (fixed frequency). Room temperature display setting Enables temperature.you to set whether to show or hide the indoor (room) ○ ○ 36. Weekly schedule counter Provides a built-in weekly timer that allows you to make on/off and temperature settings.

Temperature range limit function Allows you to define upper and lower limits for the temperature setting. To switch to the automatic switch-off timer, select it using the function selection of the remote control. For the purposes of this explanation, . all parts of the display are shown as lit. During actual operation, only the relevant items will be lit. Identifies the current operation Shows the operation mode, etc.

Central Control” indicator Indicates that the operation of the remote controller has been prohibited by a master controller. One hour only” indicator Shown if the airflow is set to low and down during COOL or DRY mode.

Operation Section

It allows you to check the operation data of the indoor and outdoor units with the remote control. In addition, the use of maintenance stable operation control, which determines the operating frequency, allows a smooth inspection, even with inverter models.

Guide for Operation Condition

Up to 16 cooling systems (16 outdoor units) can be connected in a group with one remote control. How to select remote control functions You can change the setting of the following remote control functions using the remote control function selection method. Setting the operating limit range (operating lock) Setting whether or not to use the "automatic" operating mode Setting the temperature setting range (maximum, minimum) Selecting the main or auxiliary remote control.

1] Stop the air conditioner to enter the function selection mode of the remote controller.→ [2] Select from item1.→ [3] Select from item2.→ [4] Make the setting. When the remote controller is connected to the device with automatic operation mode, the following settings can be made. ON (Initial setting value) : Auto mode is displayed when the operation mode is selected.

When the setting other than OFF is made, the temperature range limit setting is made on cooling, heating and automatic mode simultaneously. CALL_ : The contact number can be set when the screen is as shown on the left.

Flowchart of Function Setting

Screen Structure for Function Setting

Change Language

Function Setting

Operation Lock (Operation Function Limit Setting)

  • Auto Mode Setting
  • Temperature Range Limit Setting

Basic Functions Setting

Remote Controller Main/Sub Setting

  • Timer function setting (Weekly timer/Auto off timer/Simple timer)
  • Contact Number Setting for Error Situation

Display Change Setting

Temperature Display °C/°F Setting

  • Room Temperature Display Setting
  • Automatic Cooling/Heating Display Setting

Test Run using the Wired Remote Controller

In case of test run, the AF timer will be activated, and the test run will stop automatically after 2 hours. The room temperature display section shows the pipe temperature of indoor units during the test run. Check that all the indoor units are working properly in case of simultaneous dual and triple operation.

Regarding INDOOR BOARD LED, LED will be lit, LED2 will either be lit in case the address is 0 or off in case the address is not 0. If the OUTDOOR BOARD LED is digital display, [ – ] and [ – ] will be displayed alternately every second. If one of the above actions does not work correctly, the reasons described below should be taken into account.

Error Code List

If a problem occurs in the air conditioner, the indoor and outdoor units will stop and the problem will be displayed on the remote controller display. When using remote control from remote controller/local combined control, clear the error code by pressing the button on the remote controller after changing the control from remote controller to local. Since each device has a function that stores error codes, the last control code can be recalled even if it has been canceled by the remote control or the power has been turned off.

If the air conditioner cannot be operated with the remote control, diagnose the remote control as explained below. If the correct voltage (DC12V) is not supplied to the remote control, the indicator will not light up. The data error rate is the difference between the number of bits sent from the remote and the number actually sent along the transmission path.

1.Error code displayed on the remote control. Error codes given in ( ) are not displayed on the remote control. Check that the connector (CN4) on the external control board and the external power board are not disconnected. Check if the connector on the external control board (CNMNT and CNVMNT) is bad.

2 Check if the connectors (TH4, TH32, LEV-A and LEV-B) on the external controller board are not disconnected. Float switch (FS) connector open P4 1Check if the connector (CN3,CN4F) on the indoor control board is not disconnected.

Request Code List

Outdoor unit - Liquid pipe 1 temperature (TH3) at the time of error Outdoor unit - Liquid pipe 2 temperature at the time of error Outdoor unit 2-phase pipe temperature (TH6) at the time of error Outdoor unit - Outdoor air temperature (TH7) at time of fault Outdoor unit Heatsink temperature (TH8) at time of fault Discharge overheating (SHd) at time of fault. If simultaneous twin or triple or quadruple, connect the remote controller to any one of the indoor units. Outdoor unit OC Indoor unit IC Wired remote controller R Outdoor unit OC Indoor unit IC Wired remote controller R.

If simultaneous twin or triple or quadruple, connect 2 wireless remote control receivers (one each) to any 2 of the indoor units. In the case of "standard 1:1" connection, it is not possible to connect 2 remote control receivers to the indoor units. If simultaneous twin or triple or quadruple, connect both the wired remote controller and wireless remote controller receiver to any one of the indoor units.

Outdoor unit OC Indoor unit IC Wired remote controller R Outdoor unit OC Indoor unit IC Wireless remote controller receiver section R'. Connect an indoor unit with the highest functions under the group to the outdoor unit assigned to refrigerant address. Main indoor unit must be connected for wired remote controller and the transmission line (TB5) for main and sub unit must also be connected.

Detail Contents in Request Code

Wired and Wireless Remote Controller

Group Control Operation (Collective Operation and Control of Multiple Refrigerant

Multiple Mr.Slim air conditioners can be operated with the same settings (eg operating mode, preset temperature, etc.) using 1 remote control. With simultaneous double, triple and quad units, only 1 cooling system is used. The numbers indicated in ( ) apply when power is supplied to the indoor and outdoor units separately.

However, when both wired and wireless remote controls are used, receivers must be connected to cross-wired indoor units. In the case of multi-type systems consisting of simultaneous twin, triple and quad units, the indoor units should not be cross-wired. To set addresses to outdoor units, use the DIP switch SW1 (3 –6) provided on each outdoor control board (initial setting: all are set to "OFF").

To locate an outdoor unit with a specific chiller address, specify the address in self-diagnosis mode. When the unit is restarted to operate after power off or OFF operation, the unit that was operating will start operating. When the first unit CANNOT supply enough capacity for extremely demanding conditions and the current room temperature reaches the set point *, the second unit starts operation together with the st unit.

As soon as the actual room temperature drops to 4 degrees C below set point *, the 2nd unit automatically stops operation.

Rotation function (and back-up function, 2nd stage cut-in function)

Operation

How to set rotation function(back-up function, 2nd stage cut-in function)

No.4(33) ACTIVE Rotation (Alternative Interval = days) and backup function No.5(34) ACTIVE Rotation (Alternative Interval = 3 days) and backup function No.6(35) ACTIVE Rotation (Alternative Interval = 5 days) and backup function No.7(36) Rotation ON (Alternative Interval = 7 days) and backup function No.8(37) Rotation ON (Alternative Interval = 4 days) and backup function No.9(38) Rotation ON (Alternating interval = 28 days) and backup function. Search code) Initial setting contents. Press the () button for 3 seconds to switch to [Maintenance Monitor]. Note) It is not possible to switch to [Maintenance Monitor] while requesting data in maintenance mode (ie, while "----" is flashing) since no button works.

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