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1. Determine the mounting location on the wall for the indoor 

unit. Follow the selection criteria in the previous section.

2. Locate the factory supplied installation template included 

in carton and attach to the wall.

3. Verify the installation template is level right to left 

and is a minimum 11 3/4 inches above the floor. 
Mark the 4 mounting holes for the indoor 
unit.  Also mark the condensate drain and 
refrigeration pipe hole.

NOTE:

Depending on the installation, the refrigeration 

pipes and condensate drain hose may exit from the rear 
or bottom of the unit.

4. Drill 4 mounting holes and insert anchor bolts (field supplied) 

into drilled holes.

NOTE:

It is recommended to install screw anchors for sheet rock, 

concrete block, brick and such type of walls. 

5. Verify indoor unit mounting by carefully lifting unit and setting it 

on the 4 anchor bolts using the factory provided slots on the side
brackets as shown in figure right

6. Carefully remove indoor unit from anchor bolts in order to begin

making piping connections. 

NOTE:

Do not reinstall air inlet grille or side panels until instructed.

The Universal Floor/Ceiling units allow for wall or ceiling 
mounting.  Follow the instructions for the desire type of 
installation.

Wall Mounting Installation

11

INDOOR UNIT INSTALLATION 

Laying Out Indoor Location

Mounting
Slots

Paper Te

mplate

Paper Te

mplate

Right Side
Panel

Left Side 

Panel

Wall

Summary of Contents for MAT30HP230V1AF

Page 1: ...NUAL Models Indoor Unit Outdoor Unit UMAT18HP230V1AF UMAT18HP230V1AO UMAT24HP230V1AF UMAT24HP230V1AO UMAT30HP230V1AF UMAT30HP230V1AO UMAT36HP230V1AF UMAT36HP230V1AO UMAT42HP230V1AF UMAT42HP230V1AO UMA...

Page 2: ...er and Wiring Installation 18 20 Testing and Inspection 21 24 Troubleshooting 25 26 Diagnostic Codes 27 29 Thank you for choosing a Universal Floor Ceiling Unit for your customer Please read this inst...

Page 3: ...nual 2 Installation must be performed in accordance with local laws regulations and National Electrical Codes NEC 3 If refrigerant leaks while work is being carried out ventilate the area Do not allow...

Page 4: ...High Wall D Indoor Duct C Indoor Cassette F Indoor Floor Ceiling Revision Level Style Color Designation Electrical Rating 230V 208 230V 60Hz 1PH 115V 115V 60Hz 1PH HP 230V Cooling Capacity 18 18 000 B...

Page 5: ...Additional BtuH Type Charge oz kg Charge oz ft g m 18 000 R410A 49 4 1 4 0 3 30 24 000 R410A 77 6 2 2 0 6 60 30 000 R410A 84 7 2 4 0 6 60 36 000 R410A 123 5 3 5 0 6 60 42 000 R410A 130 5 3 7 0 6 60 48...

Page 6: ...ench Hex Keys orAllenWrenches Drill Drill Bits Hole Saw Pipe Cutter Screw drivers Phillips Flat blade Manifold and Gauges Level R410A FlaringTool Clamp onAmp Meter Vacuum Pump Safety Glasses Work Glov...

Page 7: ...Remote Controller 5 Drain Pipe 6 Gas Pipe 7 Liquid Pipe 8 Service Cover 9 Front Panel Outdoor Unit Air outlet Air inlet 9 8 3 4 1 2 7 6 5 The refrigerant pipe drain pipe and electrical wiring for this...

Page 8: ...r unit 3 Cable Clamp 4 Fastens the insulation blanket 4 Pipe Insulation 1 Insulates the gas pipe 5 Pipe Insulation 1 Insulates the liquid pipe 6 Template 2 For drilling holes for mounting indoor unit...

Page 9: ...iping length and maximum change in elevation Air inlet and outlet should be clear of obstructions ensuring proper airflow throughout the room Condensate can be easily and safely drained All connection...

Page 10: ...f the outdoor unit will be exposed to strong winds it must be adequately secured 1 Install the outdoor unit at a location that is capable of withstanding twice the weight of the unit 2 Install the out...

Page 11: ...IT DIMENSIONS Inches mm 10 Preparing Indoor Unit for Installation 1 Remove the air inlet grille from the indoor unit to access screws that secure the side panels by unhooking grille latches and removi...

Page 12: ...rt anchor bolts field supplied into drilled holes NOTE It is recommended to install screw anchors for sheet rock concrete block brick and such type of walls 5 Verify indoor unit mounting by carefully...

Page 13: ...nuts on the threaded hanger bolts NOTE The hanger bolts nuts and washers are field supplied Install the washer with cushion so that the insulation faces downward 5 Verify indoor unit mounting by caref...

Page 14: ...8 15 3 4 UMAT42HP230V1AO 1107 440 1100 631 400 UMAT48HP230V1AO 37 3 4 16 1 4 53 1 8 22 1 2 14 3 4 958 412 1349 572 376 OUTDOOR UNIT DIMENSIONS in mm Condensate Drainage of the Outdoor Unit The outdoo...

Page 15: ...pipes insulation condensate drain hose and wiring 4 Proper weather proofing of the wall surface and wall sleeve is essential to assure a trouble free installation Apply sealant caulking or equivalent...

Page 16: ...wrench and a torque wrench as shown below 7 Carefully tighten flare nuts to correct torque level referring to theTorqueTable below 8 Individually insulate each bare refrigerant pipe and joint as show...

Page 17: ...epeat procedure with remaining pipe 6 Tighten both flare nuts using a standard wrench and a torque wrench as shown 7 Carefully tighten flare nuts to correct torque level referring to theTorqueTable be...

Page 18: ...ge port is not obtainable use an auxiliary condensate pump with float valve A float valve is recommended to shut off the system if auxiliary pump fails NOTE Insulate condensate hose and or pipes to pr...

Page 19: ...rate properly 6 Provide a GFI circuit breaker at the electrical panel in accordance with the NEC and the local electrical company standards 7 Connect the power supply firmly to the terminal block Impr...

Page 20: ...ate wire terminals 1 and 2 Connect communication cable from outdoor unit to terminals 1 and 2 Secure cable inside wire clamp strain relief Verify cable is secure not loose and no external force on wir...

Page 21: ...e and possible damage Outdoor Communication Wiring Connect communication cable from indoor unit to terminals 1 and 2 Maintain the same wire colors and terminal references as indoor unit wire connectio...

Page 22: ...e gauge low pressure Pressure gauge hi pressure Gauge manifold Connection pipe Cap Cap Service pipe Cap Hose with the valve pin Hose Vacuum pump Hose Switch hi pressure Switch low pressure Connection...

Page 23: ...cuation duration depends on the vacuum pump size and unit s capacity generally 20 minutes for the 9 000 BtuH units to 1 hour for a larger 36 000 BtuH unit 6 Close the manifold valves and shut off the...

Page 24: ...connecting power 2 COOL Indicator COOL indicator will be on after COOL mode is activated while it will be off after COOL mode is turned off 3 Heat Indicator HEAT indicator will be on after HEAT mode i...

Page 25: ...5 minutes Verify the setpoint lights up on the Floor Ceiling unit display Verify the outdoor fan and compressor are operating Verify the indoor fan is operating Verify the indoor discharge air is coo...

Page 26: ...should discontinue as the refrigerant system equalizes after two or three minutes Cause It is normal for the system to emit a slight fog or water vapor when cooling extremely humid warm air Solution T...

Page 27: ...ght to left Level indoor unit The condensate drain pipe is restricted or plugged All restrictions must be removed to allow continuous drainage by gravity If problem persists contact a qualified servic...

Page 28: ...e will disappear If outdoor unit detects the discharge temperature is higher than protective temperature value the unit will report high discharge temperature protection If the protection occurs over...

Page 29: ...de is displayed and the indoor unit will operate normally If outdoor unit detects the outdoor ambient temperature sensor open circuit or short circuit for 5 sec successively outdoor ambient temperatur...

Page 30: ...l not recover automatically Switch off the unit or re energize the unit to eliminate this malfunction After the compressor starts operation in heating mode if the outdoor unit detects the difference b...

Page 31: ...ers of your new equipment in the spaces provided This information along with the installation data and dealer contact information will be helpful should your system require maintenance or service UNIT...

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