– OPERATION MANUAL – Eco Compact Wired Remote Controller MODELS PC-ARC-A PC-ARC-M PC-ARC-U ORIGINAL INSTRUCTIONS A12109660A
Table of Contents Table of Contents 1. Safety Summary ............................................................................................................................................................... 1 2. Setting Names and Functions .......................................................................................................................................... 7 3. Operation Method .......................................................................................................
Table of Contents 5.4 Sleep Mode Details Setting ...................................................................................................................................... 29 5.5 Operation Sound Setting ......................................................................................................................................... 30 5.6 IR Receiver Setting ....................................................................................................................................
1. Safety Summary 1. Safety Summary Singal Words Indicates a hazardous situation that, if not avoided, could result in death or serious injury. Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury. Indicates information considered important, but not hazard-related (for example, messages relating to property damage). For the operation of the product, please read and follow this safety summary strictly. Otherwise, improper operation may cause injury or death.
1. Safety Summary General Precautions To reduce the risk of serious injury or death, read these instructions thoroughly and follow all warnings or cautions included in all manuals that accompanied the product and are attached to the unit. Refer back to these safety instructions as needed. • This system, including this controller, should be installed by personnel certified by Johnson Controls-Hitachi Air Conditioning.
1. Safety Summary Take the following precautions to reduce the risk of property damage. 3 • Do not touch the main circuit board or electronic components in the controller or remote devices. Make sure that dust and/or steam does not accumulate on the circuit board. • When installing the unit in a hospital or other facility where electromagnetic waves are generated from nearby medical and/or electronic devices, be prepared for noise and Electromagnetic Interference (EMI).
1. Safety Summary Installation Precautions Take the following precautions to reduce the risk of electric shock, fire, or explosion resulting in serious injury or death: • If the remote sensors are not used with this controller, then do not install this controller… ○ ○ ○ ○ In a room where there is no thermostat. Where the unit is exposed to direct sunshine or direct light. Where the unit is in close proximity to a heat source.
1. Safety Summary Electrical Precautions Take the following precautions to reduce the risk of electric shock, fire, or explosion resulting in serious injury or death: • • • • • • 5 Only use electrical protection equipment and tools suited for this installation. Insulate the wired controller against moisture and temperature extremes. Use specified cables between units and the controller. Communication cabling must be a minimum of 18-Gauge, 2-Conductor, Stranded Copper.
1. Safety Summary • Clamp electrical wires securely with a cord clamp after all wiring is connected to the terminal block. In addition, run wires securely through the wiring access channel. • When installing the power lines, do not apply tension to the cables. Secure the suspended cables at regular intervals, but not too tightly. • Make sure that the terminals do not come into contact with the surface of the electrical box.
2. Setting Names and Functions 2. Setting Names and Functions The figure below shows all the functions for reference. The actual display during operation is different. Display Part Current Time Set Temperature Operation Mode Louver Direction Fan Speed Run Indicator ON/OFF Button Directional Key Operation Mode Button Menu Button Fan Speed Button Operation Component NOTES: • • • 7 The backlight turns off 30 seconds after the last operation. If you press any button, the backlight is turned on.
3. Operation Method 3. Operation Method 3.1 Operation Mode (Cool, Heat, Dry, Cool and Heat Automatic and Fan Operation) Heat mode is only available when the indoor unit supports cooling and heating. Cooling only machine cannot support heating. 1. Operation mode setting Step1. Home screen is displayed. Step2. Press " " to set "Operation Mode". The operation mode is switched in the following order:. NOTES: • • The function selection setting is required for "Auto" operation.
3. Operation Method 3.2 Temperature Setting 1. Temperature setting Step1. Home screen is displayed. Step2. By pressing " ", the temperature is increased by 0.5°C to a maximum of 30oC. By pressing " ", the temperature is decreased by 0.5°C. • • Cooling, Dry, Fan operation: A minimum of 19oC, 20oC in United Arab Emirates（UAE). Heating operation: A minimum of 17oC. NOTES: • • • • • • 9 Depending on the type and setting of the indoor unit, it may not be possible to set the temperature by 0.5oC.
3. Operation Method 3.3 Fan Speed Setting 1. This function is used to set fan speed. Step1. Home screen is displayed. Step2. Press " " to set "Fan Speed". The fan speed changes as below depending on the indoor unit type. Auto Low FAN SPEED FAN SPEED Med FAN SPEED High FAN SPEED High2 FAN SPEED NOTE: • Some of the fan speed settings as "High2" or "Auto" may not be available depending on the indoor unit type.
3. Operation Method 3.4 Louver Swing Direction 1. This function is used to set the louver direction. Step1. Press " " (On/Off). Make sure that the air conditioner is ON. Press " " and select "Louver Direction", refer to "4. Menu Operation". Auto-Swing range for HEAT and FAN Auto-Swing range for COOL and DRY Range for HEAT and FAN Step3. Press " screen. HEAT, FAN Auto-Swing Range for COOL and DRY Step2.
3. Operation Method 3.5 Operation NOTES: • • Once the temperature and Fan speed settings are set, the setting status is stored and does not need to be reset. To change the settings, refer to Page 8 and Page 10. 3.5.1 Operation Start 1. Operation starts. Step1. Press " " (On/Off). → The run indicator turns ON and the operation starts.
3. Operation Method 3.5.2 Operation Stop 1. Operation stops. Step1. Press " " (On/Off). → The run indicator turns OFF and the operation stops. NOTE: • 13 After the heating operation is stopped, it may continue to FAN operation for about 2 minutes.
3. Operation Method 3.6 Icon Description The status of the wired remote controller is displayed on the home screen. NOTE: • It may not be displayed depending on the type of outdoor unit or indoor unit you are using. No. Icon Description 1 It is time to clean the air filter. 2 During the defrosting operation, the defrosting light turns on and the indoor fan stops.
3. Operation Method No. Icon Description 12 This is the main remote controller setting. Use the main remote controller to set the main capacity control setting. In the case of a single unit, the main does not light up. 13 In communication with the indoor unit. 14 The on timer is set. 15 The off timer is set. 16 17 "GentleCool Comfort" mode is ON. The icon switches as "GentleCool Comfort Level" changes: Low: , Med: , High: "Capacity Control" mode is ON.
4. Menu Operation 4. Menu Operation 1. Menu Display Step1. Press " " to display the menu screen. Step2. By pressing " Home Screen ", the menu screen changes as below. Louver Direction Operation Schedule Setting AutoBoost Setting Simple Timer Setting GentleCool Comfort Setting Sleep Mode Setting Capacity Control Setting NOTES: • • If some features are not supported on the indoor unit, the relevant setting will be skipped automatically.
4. Menu Operation 4.1 Simple Timer Setting This function is used to start or stop the unit operation at the set time. NOTES: • • • • • If clock has not been set, the On/Off setting will be skipped automatically. When the wired remote controller is stopped, only "On Timer" can be set. And when the wired remote controller is ON, only "Off Timer" is available. "On Timer" or "Off Timer" are not possible to turn on/off the unit while the remote control is prohibited.
4. Menu Operation • When the wired remote controller is OFF, set the "On Timer". Icon Set Value • • The timer can be set from 0.5 to 23 hours. Press " " or " " to increase or decrease 30 minutes of each step for 0.5 to 9.5 hours, 1 hour of each step for 10 to 23 hours. Step3. Press " " to save the setting and return to the home screen. " is displayed on the home Step4. When "On Timer" is set, " screen. " is displayed on the home When "Off Timer" is set, " screen.
4. Menu Operation 4.2 GentleCool Comfort Setting This function is used to suppress the indoor unit from blowing over cold air in cool mode. NOTES: • • • • • This function cannot be set when the indoor unit does not support this function. When the level of supression of cold air changes as follows: "High" > "Med" > "Low", the outlet temperature of indoor unit increases from low to high. This function may not achieve the desired effect when two or more indoor units are operating in the room.
4. Menu Operation 4.3 Capacity Control Setting This function is used to suppress the heating and cooling capacity of the outdoor unit. NOTES: • • This function cannot be set when the indoor unit and outdoor unit do not support this function. Detailed settings can be changed from "Capacity Control Details Setting" ("Capacity Control Level Setting"), please refer to "5. Detailed Menu Operation". 1. Set "Capacity Control" mode ON/OFF. Step1. Select "Capacity Control Setting", refer to “4. Menu Operation”.
4. Menu Operation 4.4 Sleep Mode Setting This function is used to get the air conditioner operation sleep-friendly. • When the sleep mode starts, "Off Timer" will be set. • After the sleep mode operates for a certain period of time, the setting temperature will be changed according to the selected operation mode as below table. After 1 hour (*1) After 2 hours Cool Mode Increase 1°C. (*2) Increase 1°C again. (*2) Heat Mode Decrease 2°C. (*3) Decrease 3°C again.
4. Menu Operation 1. Set the sleep mode ON/OFF. Step1. Select "Sleep Mode Setting", refer to “4. Menu Operation”. Step2. Press " " or " " to switch the sleep mode between ON and OFF. Icon Set Value (ON: , OFF: ) Step3. Press " " to save the setting and return to the home screen. Step4. When the sleep mode is ON, " " is displayed on the home screen.
4. Menu Operation 4.5 AutoBoost Setting This function is used to increase the cooling and heating capacity in 30 minutes once the operation starts. This function is only available when the operation mode is Cool or Heat. The unit starts each time in quick mode until the setting is canceled. NOTES: • • • • AutoBoost cannot be set when the outdoor unit does not support this function. AutoBoost cannot be used if Capacity Control is not supported.
4. Menu Operation 4.6 Operation Schedule Setting This function is used to start or stop the unit operation at the set time. NOTES: • • • Scheduled operation (stop) is not possible when the remote control is prohibited. If current time is not set, scheduled operation (stop) is not available. Refer to "6. Clock Setting" to set the date and time. Schedule timer can be changed from "Operation Schedule Details Setting", please refer to "7. Operation Schedule Details Setting". 1.
5. Detailed Menu Operation 5. Detailed Menu Operation 1. Detailed Menu Display Step1. Press " screen. " for 3 seconds to display the detailed menu Step2. Press " " or " " to switch the item number: "0 1" ↔ "0 2" ↔ ... ↔ "0 6" Detailed item numbers are shown in the below table: Item No. 01 02 03 04 05 06 Description Run Indicator Setting Capacity Control Details Setting GentleCool Comfort Details Setting Sleep Mode Details Setting Operation Sound Setting IR Receiver Setting Step3.
5. Detailed Menu Operation 5.1 Run Indicator Setting This function is used to turn on/off the run indicator. NOTE: • When this function is off, the run indicator cannot be lit during the operation. 1. Set the run indicator ON/OFF. Step1. Enter "Run Indicator Setting" by selecting "0 1" as the item number, refer to "5. Detailed Menu Operation". Step2. Press " " or " " to switch the set value between "0 0" and "0 1" to set the run indicator ON/OFF.
5. Detailed Menu Operation 5.2 Capacity Control Details Setting This function is used to set "Capacity Control Level". NOTES: • • This function cannot be set when the indoor unit and outdoor unit do not support this function. For how to set "Capacity Control" mode ON/OFF, please refer to "4. Menu Operation". 1. Capacity Control Details Setting (Capacity Control Level Setting) Step1. Enter "Capacity Control Details Setting" by selecting "0 2" as the item number, refer to "5. Detailed Menu Operation".
5. Detailed Menu Operation 5.3 GentleCool Comfort Details Setting This function is used to set "GentleCool Comfort Level". NOTES: • • This function cannot be set when the indoor unit does not support this function. For how to set "GentleCool Comfort" mode ON/OFF, please refer to "4. Menu Operation". 1. GentleCool Comfort Details Setting (GentleCool Comfort Level Setting) Step1. Enter "GentleCool Comfort Details Setting" by selecting "0 3" as the item number, refer to "5. Detailed Menu Operation". Step2.
5. Detailed Menu Operation 5.4 Sleep Mode Details Setting This function is used to set "Off Timer" in the sleep mode. NOTES: • • The default value of "Off Timer" is 8 hours. For how to set the sleep mode ON/OFF, please refer to "4. Menu Operation". 1. Sleep Mode Details Setting ("Off Timer" Setting) Step1. Enter "Sleep Mode Details Setting" by selecting "0 4" as the item number, refer to "5. Detailed Menu Operation". Step2. Press " " or " " to increase or decrease 30 minutes of each step for 3.0 to 8.
5. Detailed Menu Operation 5.5 Operation Sound Setting This function is used to set the operation sound ON/OFF. 1. Set the operation sound ON/OFF. Step1. Enter "Operation Sound Setting" by selecting "0 5" as the item number, refer to "5. Detailed Menu Operation". Step2. Press " " or " " to switch the set valve between "0 0" and "0 1" to set the operation sound ON/OFF. Details of set value are shown in the below table: Set Value 00 01 Set Value Item No. Description Operation sound is OFF.
5. Detailed Menu Operation 5.6 IR Receiver Setting The product (wired remote controller) has a built-in "IR Receiver" which can receive commands from the wireless remote controller(sold separately, models: HCRB10NEWQ/PC-LH7QE/PC-LH7QE1). By pointing the transmitter of the wireless remote controller to this product, you can set temperature, operation mode, etc. from the wireless remote controller. This function is only available when the IR receiver function is set at ON.
5. Detailed Menu Operation NOTES: • • • • The IR receiver function can only be used on the home screen. The wired remote controller does not support "Differentiate Indoor Units Set Close Together" at the wireless remote controller. The wired remote controller does not support "Test Run" at the wireless remote controller.
6. Clock Setting 6. Clock Setting This function is set the date and time. NOTES: • • • The clock accuracy is within ±70 seconds each month. It is recommended to set the clock to the current time on regular basis. The clock can run for 72 hours even if the electricity is cut off. If the power failure lasts for more than 72 hours, or the clock has been powered down for a long time, please set the clock again.
6. Clock Setting Step2. Set the clock in the order of "Year" ↔ "Month" ↔ "Day" ↔ "Hour" ↔ "Minute". Press " " or " " to change the settings of selected item, and press " " to switch to the next item. Set Value (Year) "Year" Setting Set Value (Hour) "Hour" Setting Set Value (Month) "Month" Setting Set Value (Day) "Day" Setting Set Value (Minute) "Minute" Setting Step3. After "Minute" is set, press " " to return to the home screen.
7. Operation Schedule Details Setting 7. Operation Schedule Details Setting This function is set the schedule timer ("On Timer" and "Off Timer") and the weekly schedule. NOTE: • For how to set the operation schedule ON/OFF, please refer to "4. Menu Operation". 1. Operation Schedule Details Setting Step1. Press " " and " " at the same time for 3 seconds to display the operation schedule details setting screen. • If current time is not set, the clock setting screen ( Page 34) will appear instead. Step2.
7. Operation Schedule Details Setting Step4. "Off Timer" screen is displayed. Press " " or " " to set the time. Press " " to switch between "Hour" and "Minute". Set Value (Hour) Set Value (Minute) Icon (Off Timer) Step5. Press " " to save the setting. • Press " " to cancel the setting of "Off Timer" and skip to the weekly schedule setting screen. The previous settings of "Off Timer" are invalid. • When both "On Timer" and "Off Timer" are not set, the wired remote controller returns to the home screen.
8. Individual Louver Setting 8. Individual Louver Setting This function is to individually set the air direction of multiple air outlets. NOTES: • • • • • This function is available when the indoor unit supports individual louvers. It cannot be set while the air conditioner is stopped. The fan speed changes to "Low" while this function is being set. (After the setting is completed, the unit operation is back to normal.
8. Individual Louver Setting Press " " or " " to select the indoor unit by changing the index number. Then press " " to confirm the selection. • If all the indoor units are selected, the "Index No." will be indicated as FF. Step3. Individual louver setting screen is displayed. Press " " to select the individual louver. The selected louver is opened while the unselected louvers are closed. Step4. Press " " to select the louver angle. Then press " save the setting and return to the home screen.
9. Filter Reminder Reset Setting 9. Filter Reminder Reset Setting This function is used to turn off the filter reminder indication and to reset the time of use for the filter. NOTE: • When it is time to clean the air filter, " " will be displayed on the home screen. 1. Filter Reminder Reset Setting Step1. Press " " for 3 seconds to reset the filter reminder time. Step2. After Filter Reminder Reset is completed, " disappear from the home screen. " will 10.
10. In Alarm Condition 10.1 Power Failure • • • All the indicators are OFF. Once the air conditioner is stopped by power failure for longer than 2 seconds, the air conditioner is not started again, although power recovers. Perform the starting procedures again. If the power recovers within 2 seconds, the air conditioner starts again automatically. 10.2 Electromagnetic Interference (EMI) • • • There could be an instance where all the indications are OFF and the unit is stopped.
© 2021 Hitachi-Johnson Controls Air Conditioning, Inc. 2021.12 Ver.
