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Due to updates and constantly improving performance, the information and instructions within this manual are subject to change without notice. Version Date: 02/22/24 Please visit www.mrcool.com/documentation to ensure you have the latest version of this manual.
In order to ensure accurate servicing and repair, read this manual carefully before performing maintenance. • All of the illustrations in this manual are for explanatory purposes only. There may be slight differences • between the illustration and the purchased thermostat. mrcool.com...
Do not mix old and new batteries or different brands of types of batteries, such as alkaline, carbon-zinc, or rechargeable batteries. • Remove and immediately recycle or dispose of batteries from equipment not used for an extended period of time according to local regulations. • Battery type: CR2032 • Battery Power Supply: 3.0V mrcool.com...
Use 2 M4X25 screws to install the back cover of the 86 switch box, and use 1 ST3.9*25 screw to attach to the wall. NOTE Attach to a flat surface. Be careful not to distort the back plate of the wire controller by over- tightening the mounting screws. mrcool.com...
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HB). (HA and HB do not have polarity. See Fig. 4-5.) NOTE • DO NOT allow water to enter the wired controller. Use the trap and putty to seal the wires. • The connecting wires must be fixed and cannot be pulled. mrcool.com...
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The wired controllers connect to the unit's HA and HB ports through the HA and HB port on the controller. There is no polarity between HA and HB. See Fig. 4-7. NOTE Wired controller with wireless function does not have this function. mrcool.com...
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Adjust the upper section, then attach. Avoid accidental clamping of the wiring when reattaching the front face of the controller. See Fig. 4-10. NOTE The illustrations in this manual are for explanatory purposes only. Your actual controller design may vary from what is shown here. mrcool.com...
8° heating function. Press the Power, Mode, Adjust, Fan Speed, Timer, or Swing button to cancel the 8°F heating function. NOTE For some models, the 8° heating function can only be set by remote control. It cannot be chosen via the wired controller. mrcool.com...
°C and °F scale. 5.6 Set Fan Speed Press the Fan speed button to set the fan speed. (This button is unavailable when in Auto or Dry mode.) If stepless speed regulation is supported, press the fan speed key to cycle through: mrcool.com...
When the PTC function is activated, the symbol is displayed. Note: The electric auxiliary heating function of the AHU model is switched by the MODE button, and the FUNC. button acts as a turbo function. mrcool.com...
When cleaning is needed, the filter cleaning prompt icon will light up. Press the function key to select the filter cleaning prompt icon, and press the OK key to reset the filter screen time. The filter cleaning reminder icon will no longer be lit. mrcool.com...
2. Set the high temperature. (If the ambient temperature is between 78.8~89.6°F (26~32°C), this function is invalid. If the ambient temperature is between 78.8~89.6° (26~32°C), or is greater than or equal to the set temperature, the two machines will run at 75.2°F (24°C) in cool mode at the same time. mrcool.com...
On or Off Timer: 1. Press the Timer button to select the Day On or Day Off icon. 2. Press the Confirm button and the Timer display will flash. mrcool.com...
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3. Press the "\/" or "/\" button to set the time for the On timer, then press the Confirm button to confirm the setting. Up to 4 timer settings can be saved for each day of the week to best accommodate individual needs. mrcool.com...
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The unit will turn on automatically at the set time of the timer. Example: If the power button is pressed once quickly at 10:00, the unit will turn on at 14:00. 2. When you press the power button for 2 seconds, the unit will turn off completely, and cancel the timer. mrcool.com...
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All of the timer settings of the selected day of the week will be copied. 1. When in the weekly timer function, press the Confirm button. 2. Press the "\/" or "/\" button to select the day of the week to copy from. mrcool.com...
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Press the Confirm button to confirm the setting. IMPORTANT: Up to 8 scheduled events can be set on one day. Various events can be scheduled in either MODE, TEMPERATURE, and FAN speeds. mrcool.com...
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The weekly timer setting can be returned to the previous step by pressing the Back button. The current setting is restored. The controller will not save the weekly timer settings if there is no operation within 30 seconds. 2nd Weekly Timer-Activation: Press the Timer button to select WEEK2, and the timer starts automatically. mrcool.com...
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2. Press the "\/" or "/\" button to select the day of the week to copy from. 3. Press the Copy button, and the letters "CY" will be displayed. 4. Press the "\/" or "/\" button to select the day of the week to copy to. mrcool.com...
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2. Press the "\/" or "/\" button to select the day of the week, then press the Confirm button. 3. Press the "\/" or "/\" button to select the time to be deleted. The set time, mode, temperature, and fan speed will be displayed. Press the DEL (Day Off) button to delete. mrcool.com...
Applicable systems: iOS, Android (iOS 9.0 and above, Android 6.0 and above suggested) • Not all of the Android and iOS systems are compatible with the app. MRCOOL is not responsible for any issues as a result of this incompatibility.
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OPERATION Network Configuration via Bluetooth Note: Ensure bluetooth is enabled and working properly on your mobile device. mrcool.com...
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• In the case that your device connected to the wireless network before but needs to reconnect, press "+" on the app's home page, and add your controller again by the device category and model according to the instructions on the app. mrcool.com...
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"/\" to select the temperature, then press Confirm to complete. When the unit is off, in the query function of temperature, press "\/" or "/\" to select type. Press Confirm to enter setting state, press "\/" or "/\" to select the type, then press Confirm to complete. mrcool.com...
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• Cool and Heat/Single Cool mode is restored to Cool and Heat mode. • Restore the temperature range to the factory setting. • The remote receiving function is restored. • The address of the two-control first-line controller is restored to the code switch. mrcool.com...
EH63 If the error displayed on the wired controller is different from that on the unit, check the unit's installation and user manual, the unit's service manual, or contact our technical support team at (270) 366-0457 for further assistance. mrcool.com...
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Hyper Heat Wired Thermostat The design and specifications of this product and/or manual are subject to change without prior notice. Consult with the sales agency or manufacturer for details.
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