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Haier 2U18MS2VHB Installation Manual

Ductless split heat pump.
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Installation Manual
Outdoor Unit Installation ........................................................................... 2-13
Introduction - Overview ................................................................................................................ 2-4
Step 1 - Preparation ........................................................................................................................... 5
Step 2 - Installation of the Outdoor Unit .......................................................................................... 6
Step 3 - Refrigerant Line Connections ......................................................................................... 6-8
Step 4 - Leak Test and Evacuation ................................................................................................ 8-9
Step 5 - Electrical Connections ................................................................................................. 10-11
Step 6 - Charging ............................................................................................................................. 12
Step 7 - System Test ....................................................................................................................... 12
Step 8 - Explaining Operation to the End User ............................................................................... 12
Seacoast Application ....................................................................................................................... 13
Indoor Unit Installation - Cassette ........................................................... 14-19
Introduction - Overview ............................................................................................................ 14-15
Step 1 - Preparation ......................................................................................................................... 16
Step 2 - Installation of the Cassette Unit ................................................................................. 17-18
Step 3 - Electrical Connections ....................................................................................................... 19
Step 4 - Louver Installation ............................................................................................................. 19
Step 5 - Pull Vacuum on System ...................................................................................................... 19
Indoor Unit Installation - Wall Mount ........................................................ 20-24
Introduction - Overview .................................................................................................................. 20
Step 1 - Preparation ......................................................................................................................... 21
Step 2 - Installation of the Wall Mount Unit .............................................................................. 22-23
Step 3 - Electrical Connections ....................................................................................................... 24
Step 4 - Pull Vacuum on System ...................................................................................................... 24
Remote Controller ................................................................................... 25-28
Ductless Split Heat Pump
Outdoor Unit
18K: 2U18MS2VHB
24K: 3U24MS2VHB
36K: 4U36MS2VHB
Wall Mount Type Indoor
7K: AW07LC2VHA
9K: AW09LC2VHA
12K: AW12LC2VHA
18K: AW18LC2VHA
Compact Cassette Type Indoor
7K: AD07SL2VHA
9K: AD09SL2VHA
12K: AD12SL2VHA
18K: AD18SL2VHA

Table of Contents

INSTALLATION
PAGE 1

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   Summary of Contents for Haier 2U18MS2VHB

  • Page 1: Table Of Contents

    Ductless Split Heat Pump Installation Manual Outdoor Unit 18K: 2U18MS2VHB 24K: 3U24MS2VHB 36K: 4U36MS2VHB Wall Mount Type Indoor 7K: AW07LC2VHA 9K: AW09LC2VHA 12K: AW12LC2VHA 18K: AW18LC2VHA Compact Cassette Type Indoor 7K: AD07SL2VHA 9K: AD09SL2VHA 12K: AD12SL2VHA 18K: AD18SL2VHA Table of Contents Outdoor Unit Installation ................

  • Page 2: Outdoor Unit Installation

    Outdoor Unit Installation Introduction - Overview Outdoor Unit Product Information The FlexFit Multi-zone Heat Pump systems feature DC inverter technology to deliver high energy efficiency. The inverter technology operates variable speed compressors and fan motors. The outdoor is equipped with electronic expansion valves , which control refrigerant flow independently to each indoor unit that is installed.

  • Page 3

    Introduction - Overview Outdoor Unit Product Information Temperature Control and the Inverter The outdoor unit inverter will operate the compressor, outdoor fan motor and indoor fan motor at the proper speed to provide enough capacity to satisfy the heat load from all operating indoor units.

  • Page 4

    Introduction - Overview Product Specifications Model Number Outdoor 2U18MS2VHB 3U24MS2VHB 4U36MS2VHB Rated Capacity Btu/hr 17,400 22,500 34,000 Capacity Range Btu/hr 4,400-19,400 5,000-24,500 5,000-36,000 Cooling Non-ducted Rated Power Input W 1,650 2,250 3,770 SEER 16.0 18.0 18.0 10.5 10.0 Rated Capacity Btu/hr...

  • Page 5: Step 1 - Preparation

    Step 1 - Preparation Required Tools for Installation Procedure for Selecting the Location • Choose a place solid enough to bear more than 10ft away depending on radio • Drill the weight and vibration of the unit and wave conditions.) •...

  • Page 6: Step 2 - Installation Of The Outdoor Unit

    Step 2 - Installation of the Outdoor Unit Set the Outdoor Unit Step 2.2 Step - 2.1 Set the unit on mount or pad. If located in snow area, use heat pump risers to elevate the outdoor unit. Make sure the outdoor unit is installed level and is stable. Attaching Drain Elbow to Outdoor Unit Step - 2.2 If the unit is located in an area where freezing can occur, do...

  • Page 7

    Step 3 - Refrigerant Line Connections Connection Priority The line sets are connected to the indoor piping port connections labeled A thru up to D. The connections are made with a flare fitting. Flare nut fittings are included with the unit. Note: Start the connections at the lowest port.

  • Page 8: Step 4 - Leak Test And Evacuation

    Step 3 - Refrigerant Line Connections Step 3.2 Piping Connection Step - 3.1 Refrigerant piping connections for the mini-split system are made utilizing flare connections. Follow standard practices for creating pipe flares. When cutting and reaming the tubing, use caution to prevent dirt or debris from entering the tubing. Remember to place the nut on the pipe before creating the flare.

  • Page 9

    Step 4 - Leak Test and Evacuation Note: This system has one set of service valves. When evacuating the system, the service valve ports will have access to all in- door units and refrigerant line sets. Evacuation at the service valve ports will evacuate the ENTIRE piping system including indoor units.

  • Page 10: Step 5 - Electrical Connections

    Step 5 - Electrical Connections Step 5.1 Wiring Unit Step - 5.1 Remove the cover plate of the outdoor unit to expose the terminal block connections. Step -5.2 Connect Line Voltage from Circuit Breaker/Disconnect to outdoor unit wire terminal Always follow local and national codes when installing Step 5.2 electrical wiring.

  • Page 11: Step 5 - Electrical Connections

    Step 5 - Electrical Connections Wiring Error Check This unit is capable of automatically checking for wiring errors between the indoor and outdoor units. Illustration 6 To enter the wiring error check test, place all 4 DIP switches of the test board to the ON position. (Illustration 6) Remove and reapply power to the unit, the system will enter the operation of “Wiring Error Check”.

  • Page 12: Step 6 - Charging

    Step 6 - Charging Charge the system using the weight method. The unit comes with enough charge for 25 feet per circuit. For example, the 2 port unit will come with 50 feet of charge, the 3 port unit will come with 75 feet of charge, and the 4 port unit will come with 100 feet of charge.

  • Page 13: Seacoast Application

    Seacoast Application • The outdoor unit should be installed at least ½ mile away from the salt water, including seacoasts and inland waterways. If the unit installed from ½ mile to 5 miles away from the salt water, including seacoasts and inland waterways, please follow the installation instruction below.

  • Page 14: Indoor Unit Installation - Cassette

    Indoor Unit Installation - Cassette Introduction - Overview Cassette Product Information The Cassette Indoor Air Handler ships consists of a cassette Factory Supplied assembly and operational louver. The Cassette Indoor Unit Remote is operated via a factory supplied remote control. Wired controller is optional.

  • Page 15

    Introduction - Overview Fresh Air Intake Option Electrical Power The cassette has a marked area to cut out if outside air is Follow all local codes and regulations when installing electrical desired. The piping connection should be made with a 4 inch wiring.

  • Page 16: Step 1 - Preparation

    Step 1 - Preparation Required Tools for Installation Procedure for Selecting the Location • Place above the ceiling where you have Note: • Drill enough space to position the unit. 1) R-410A refrigerant is a safe, nontoxic and • Wire Snipper •...

  • Page 17: Step 2 - Installation Of The Cassette Unit

    Step 2 - Installation of the Cassette Unit Step 2.1 Step By Step Guide To Cassette Installation Step 2.1 Use cardboard template to locate center point of cassette for mounting. Use a plumb bob and string to position cassette by referencing center hole of template. Mark the mounting positions of the threaded rods using the guides on the cardboard template.

  • Page 18

    Step 2 - Installation of the Cassette Unit Step 2.5A Step 2.8A Step 2.5B Step 2.8B Step 2.6 Step 2.8C Step 2.7 Step 2.8D PAGE 18 INSTALLATION...

  • Page 19: Step 3 - Electrical Connections

    Step 3 - Electrical Connections Electrical Connections Indoor and Outdoor Units 14 AWG Stranded Wire Only. (Central Controller Not Used) Maintain 10 feet of separation between TV and any Radio wiring. Step 4 - Louver Installation To mount the louver cover onto the cassette assembly. Install 2 screws at the keyhole slot positions shown in the first photo.

  • Page 20: Indoor Unit Installation - Wall Mount

    Indoor Unit Installation - Wall Mount Introduction - Overview Wall Mount Indoor Unit Specifications Indoor AW07LC2VHA AW09LC2VHA AW12LC2VHA AW18LC2VHA Rated Cooling Capacity Btu/hr 7,000 9,000 12,000 18,000 Rated Heating Capacity Btu/hr 8,000 10,000 13,000 19,000 Voltage, Cycle, Phase V/Hz/- 208-230/60/1 208-230/60/1 208-230/60/1 208-230/60/1...

  • Page 21: Step 1 - Preparation

    Step 1 - Preparation Required Tools for Installation Procedure for Selecting the Location • Drill • Choose a place solid enough to bear the Note: • Wire Snipper weight of the unit. 1) R-410A refrigerant is a safe, nontoxic and •...

  • Page 22: Step 2 - Installation Of The Wall Mount Unit

    Step 2 - Installation of the Wall Mount Unit Step 2.3 Attaching the Mounting Plate to the Wall Step 2.1 Using a stud sensor, locate and mark the stud positions in the wall where the indoor unit is to be mounted. Step 2.2 Place the mounting plate on the wall in the desired location taking into account the minimum clearances necessary for...

  • Page 23: Step 2 - Installation Of The Wall Mount Unit

    Step 2 - Installation of the Wall Mount Unit Step 2.6 Step 2.8A Drill the piping hole using a hole saw of the correct diameter. Angle the drill with a downward pitch to the outside wall so that the outside hole will be ¼” lower than the inside hole, giving the hole the proper angle for condensate drainage.

  • Page 24: Step 3 - Electrical Connections

    Step 3 - Electrical Connections Step - 3.1A & 3.1B Illustration 3 To make the electrical connections for the indoor unit, two Outdoor unit cover plates must be removed. Raise the front cover to access the screws to remove these covers. Indoor uni t Step - 3.2 &...

  • Page 25: Remote Controller

    Remote Controller Note: TURBO/QUIET modes are only available when the unit is un- Functions der cooling or heating mode (not for auto or fan mode). Running the unit in QUIET mode for a long period of time may cause the room temperature to not reach the set temperature.

  • Page 26

    Louver SWING Button - Vertical The remote control display changes as follows: Air Flow Direction Adjustment BLANK 0.5h 0.5h 0.5h 0.5h Press the SWING UP/DOWN button to choose the position of TIMER ON TIMER OFF TIMER ON-OFF TIMER OFF-ON the vertical airflow louvers. Cancel TIMER ON setting: Status display of air flow With a TIMER ON set, press the CONFIRM/CANCEL...

  • Page 27

    the time. After replacing batteries or a power failure occurs, EXTRA FUNCTION Button the time setting will need to be reset. Function: A) Refresh air - Feature not available on this series. According to the Time setting sequence of TIMER ON or TIMER OFF, either Start-Stop or Stop-Start can be achieved.

  • Page 28

    G) Fahrenheit/Celsius mode shift on unit and remote - To switch between Fahrenheit and Celsius press the EXTRA FUNCTION button until either Celsius or Fahrenheit is displayed. Press the CONFIRM/CANCEL button to apply the change. H) 50°F low temperature heating - Feature not available on this series.

  • Page 30

    Model #: 2U18MS2VHB, 3U24MS2VHB, 4U36MS2VHB, AW07LC2VHA, AW09LC2VHA, AW12LC2VHA, AW18LC2VHA, AD07SL2VHA, Haier America, AD09SL2VHA, AD12SL2VHA, AD18SL2VHA Wayne, NJ 07470 Issued Date: April 2015 ©2015 Haier America Trading, LLC.

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