Haier 2U18MS2VHB - Installation Manual

INSTALLATION PAGE 6 ENGLISH Set the Outdoor Unit 2.1 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. Step 2.2 Attaching Drain Elbow to Outdoor Unit 2.2 Step - 2.2 If the u...

INSTALLATION PAGE 8 ENGLISH Leak Test 3.1 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....

INSTALLATION PAGE 9 ENGLISH Step 4.3 Step 4.5 Step 4.4A Step 4.4B System Evacuation 4.2 Step - 4.2 Attach a manifold gauge, micron gauge, and vacuum pump to the suction line port using adapter AD-87 (field supplied). (Illustration 5) Evacuate the system to 350 microns.Close the vacuum pump valve and...

INSTALLATION PAGE 10 ENGLISH Wiring Unit 5.1 Step - 5.1 Remove the cover plate of the outdoor unit to expose the terminal block connections. 5.2 Step -5.2 Connect Line Voltage from Circuit Breaker/Disconnect to outdoor unit wire terminal Always follow local and national codes when installing electri...

INSTALLATION PAGE 11 ENGLISH Wiring Error Check This unit is capable of automatically checking for wiring errors between the indoor and outdoor units. 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...

INSTALLATION PAGE 12 ENGLISH Check Items for Test Run Put check mark √ in boxes ‡ No gas leak from linesets? ‡ Are the linesets insulated properly? ‡ Are the connecting wirings of indoor and outdoor firmly inserted to the terminal block? ‡ Is the wiring of indoor and outdoor firmly fixed? ‡ Is conde...

INSTALLATION PAGE 13 ENGLISH Seacoast Application Outdoor Unit Installation Complete • 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 a...

INSTALLATION PAGE 14 ENGLISH Cassette Indoor Unit Specifications Cassette Product Information The Cassette Indoor Air Handler ships consists of a cassette assembly and operational louver. The Cassette Indoor Unit is operated via a factory supplied remote control. Wired controller is optional. The Ca...

INSTALLATION PAGE 15 ENGLISH Air Delivery Clearances Make certain to maintain proper clearances around the cassette as specified in the installation instructions. Standard clearances for cassette air handlers require 5 feet of clearance in each direction. There should be 8 feet of clearance from the...

INSTALLATION PAGE 16 ENGLISH Step 1 - Preparation Procedure for Selecting the Location Required Tools for Installation • Drill• Wire Snipper• Hole Saw 2 3/4”• Vacuum pump• Soap-and-water solution or gas leakage detector • Torque wrench• 17mm, 22mm, 26mm• Tubing cutter• Flaring tool• Razor knife• Mea...

INSTALLATION PAGE 17 ENGLISH Step By Step Guide To Cassette Installation Step 2 - Installation of the Cassette Unit 2.1 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 mo...

INSTALLATION PAGE 19 ENGLISH Step 3 - Electrical Connections Step 4 - Louver Installation Step 5 - Pull Vacuum on System 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. To mount th...

INSTALLATION PAGE 20 ENGLISH Wall Mount Product Information Introduction - Overview The Wall Mount Indoor Air Handler consists of a single compact unit, operated via a factory supplied remote control. A display indicator located on the front panel of the unit provides temperature and operating modes...

INSTALLATION PAGE 21 ENGLISH This picture is for reference only. Your product may look different. Read this manual before installation. Explain the operation of the unit to the user according to this manual. Clearances of Indoor and Outdoor Units F A C E D The marks from to in the fi gure are the par...

INSTALLATION PAGE 22 ENGLISH Step 2 - Installation of the Wall Mount Unit Attaching the Mounting Plate to the Wall 2.1 Step 2.1 Using a stud sensor, locate and mark the stud positions in the wall where the indoor unit is to be mounted. 2.2 Step 2.2 Place the mounting plate on the wall in the desired...

INSTALLATION PAGE 23 ENGLISH Step 2.6 Step 2.7 Step 2.8A Step 2.8B 2.6 Step 2.6 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 fo...

INSTALLATION PAGE 24 ENGLISH 3.1 Step - 3.1A & 3.1B To make the electrical connections for the indoor unit, two cover plates must be removed. Raise the front cover to access the screws to remove these covers. 3.2 Step - 3.2 & 3.2A & 3.2B Access the four conductor cable through the cover ...

INSTALLATION PAGE 25 ENGLISH Slim Duct Indoor Unit Specifications Slim Duct Product Information The Slim Duct Indoor Air Handler ships consisting of a single assembly. The Slim Duct indoor unit is operated via a factory supplied wired remote control. The Slim Duct unit will install above the ceiling...

INSTALLATION PAGE 28 ENGLISH Step By Step Guide To Slim Duct Unit Installation 2.1 Step 2.1 Determine and mark the position of where the Slim Duct unit is to be installed. Install the hardware necessary to mount the threaded rods. Always select a location strong enough to support the indoor Slim Duc...

INSTALLATION PAGE 29 ENGLISH Step 2.5A Step 2.7 Step 2.5 Step 2.6 Step 2.7A INSTALLATION IS NOW COMPLETE Step 2.8 Rear side air inlet Bottom side air inlet Diffuser Return Duct Diffuser Return Duct Step 2.7B Re-install electrical box cover Step 2 - Installation of the Slim Duct Unit

INSTALLATION PAGE 30 ENGLISH 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. See Step 4.2 of the outdoor unit installation section for how to pull a vacuum. Indoor Slim Duct Unit I...

REMOTE CONTROL FUNCTIONS PAGE 31 ENGLISH 3 8 6 19 4 17 18 14 13 10 9 7 5 16 2 15 11 12 1 1 Power Button Press the ON/OFF button on the remote control to start the unit. 2 TURBO/QUIET Button The TURBO function is used for fast heating or cooling. Press the TURBO/QUIET button once and the remote contr...

REMOTE CONTROL FUNCTIONS PAGE 32 ENGLISH 9 Louver SWING Button - Vertical Air Flow Direction Adjustment Press the SWING UP/DOWN button to choose the position of the vertical airflow louvers. Status display of air flow COOL/DRY: HEAT: Caution:• It is advisable not to keep the vertical louver in the d...

REMOTE CONTROL FUNCTIONS PAGE 33 ENGLISH the time. After replacing batteries or a power failure occurs, the time setting will need to be reset. According to the Time setting sequence of TIMER ON or TIMER OFF, either Start-Stop or Stop-Start can be achieved. 13 SLEEP Button Sleep mode Press the Extra...

REMOTE CONTROL FUNCTIONS PAGE 34 ENGLISH 15 HEALTH Button Feature not available on this series. 16 Confirm/Cancel Button Function: Setting and canceling timer and other functions. 17 LOCK Button Used to lock buttons and LCD display 18 LIGHT Button Turns indoor unit display on and off 19 RESET Button...