Ameristar M4MHW15-A Installation Instructions Manual Download Page 1 | Manualshive

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INSTALLATION INSTRUCTIONS

FEATURING R-410A

15 SERIES

Single Zone Mini-Split Inverter System

Single Split

Indoor Unit

Outdoor Unit

Heat Pump

M4MHW15-A

M4THS15-A

Cooling Only

M4MCW15-A

M4TCS15-A

88-M4MHW15-1A-EN

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Summary of Contents for M4MHW15-A

Page 1: ...ALLATION INSTRUCTIONS FEATURING R 410A 15 SERIES Single Zone Mini Split Inverter System Single Split Indoor Unit Outdoor Unit Heat Pump M4MHW15 A M4THS15 A Cooling Only M4MCW15 A M4TCS15 A 88 M4MHW15 1A EN ...

Page 2: ...ce of these precautions Attention Warnings and Cautions appear at appropriate sections throughout this literature Read these carefully WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury It may also be used to alert against u...

Page 3: ... HERMETIC OIL FV50S for servicing PVE units NOTICE The 15 SEER M4THS1518A and M4THS1524A heat pumps and M4TCS1518A and M4TCS1524A cooling only units 18K and 24K models use RB68EP POE Oil Important Environmental Concerns Scientific research has shown that certain man made chemicals can affect the earth s naturally occurring stratospheric ozone layer when released to the atmosphere In particular sev...

Page 4: ...nstalling the Outdoor Unit 18 Condensate Management of the Outdoor Unit 18 Installing the Refrigerant Piping 19 Flaring Process and Bending Pipes 19 Refrigerant Piping at the Outdoor Unit 20 Insulating the Pipe Joints 20 Piping Requirements 21 Vacuum and Refrigerant Leakage Detection 22 Wiring Precautions 23 Outdoor Wiring Connections 23 Stranded Wiring Connections 24 Electrical Connections 25 Cab...

Page 5: ...he weight of the unit An inadequate base or incomplete installation may cause injury or property damage in the event the unit falls off of the base 5 Electrical work should be carried out in accordance with the installation manual and local state and National Electric Code NEC Insufficient capacity or incomplete electrical work may cause electrical shock or fire 6 Be sure to use a dedicated power ...

Page 6: ...heck the unit nameplate to ensure the proper electrical requirements will be met 5 Check the installation locations to ensure the weight of the units can be supported 6 Check the line set size requirements to ensure the correct refrigerant lines have been run prior to connection 7 Check the electrical line requirements to ensure the proper wiring has been run prior to connection 8 Check the indoor...

Page 7: ... 10 Wired controller 10 Sold Separately Field provided 1 7 15 SEER Mini Split Typical Installation Setup ...

Page 8: ...0 in or more 12 in or m ore or m ore n i 9 7 or more Space to the obstruction Air outlet side Space to the wall Air inlet side The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures 6 in 66 in 118 in Clearance Requirements NOTE The maximum recommended height from the floor to the bottom of the indoor unit i...

Page 9: ...ght difference between the indoor and outdoor unit greater than 20 feet Heat Pump M4THS1509A M4THS1512A M4THS1518A M4THS1524A M4MHW1509A M4MHW1512A M4MHW1518A M4MHW1524A Refrigerant Charge oz 24 7 30 49 4 65 3 Standard Length m ft 7 6 25 Additional Refrigerant Charge oz ft For Piping Beyond Standard Length 0 2 0 5 Outer Diameter Liquid Pipe mm in Φ 6 35 1 4 Gas Pipe mm in Φ 9 52 3 8 Φ 12 7 1 2 15 ...

Page 10: ... an explosion Excessive heat from soldering brazing or welding with refrigerant vapors present can form highly toxic gases and extremely corrosive acids NOTICE System Component Damage Do not remove the seal caps from the refrigerant connections and piping until prepared to braze refrigerant lines to the connections Excessive exposure to atmosphere 5 min may allow moisture or dirt to contaminate th...

Page 11: ...cation Indoor Unit Outdoor Unit WARNING 1 Install the unit where it will not be tilted by more than 5 2 If the location is subject to strong winds the additional force must be accounted for and the unit must be fixed securely to the base 1 Select a location from which noise and air discharge are unobjectionable Adhere to noise ordinances that may be in place by the AHJ 2 Select a location where th...

Page 12: ...meter Rear piping hole Wall Space to the wall min 6 inch Space to the wall min 6 inch Φ2 3 16 inch Rear piping hole Left Wall Φ2 3 4 inch Right Mark in the middle of it Level meter Rear piping hole Wall Space to the wall min 6 inch Space to the wall min 6 inch Φ2 3 4 inch Rear piping hole 24K 18K Left Wall Φ2 3 16 inch Right Mark in the middle of it Level meter Rear piping hole Wall Space to the w...

Page 13: ...irection of right rear right left or rear left Left Rear left Right Rear right Cut off the hole Left Right Refrigerant Piping at the Indoor Unit Detach the caps and plugs from the pipes NOTICE 1 Be sure to connect the pipe to the port on the indoor unit correctly If the centering is improper the flare nut cannot be tightened smoothly If the flare nut is forced to turn the threads will be damaged 2...

Page 14: ...ration below 2 When connecting place oil on the backside of the copper tube flare prior to tightening Do not place oil on the flare face as this will promote system contamination tighten it by hand and then tighten it with the spanner 3 Refer to the torque reference table below before tightening to determine the appropriate torque too tight would damage the nut and lead to leakage 4 Examine the co...

Page 15: ...n in Fig A below 2 Bind the joint with tape as shown in Fig B below 3 Wrap the pipe with insulating tape to prevent condensation as shown in Fig C below Fig A Fig B Fig C Wiring at the Indoor Unit 1 Open the front panel of the indoor unit remove the screw on the wiring cover and remove the cover as shown in Fig D below 2 Thread the power connection wire through the cable cross hole at the back of ...

Page 16: ...ch circuit disconnect before the indoor unit then only break leg 1 and leg 3 between the indoor and outdoor unit Line 2 shall be a continuous wire with no splices between the indoor and outdoor unit 7 The system must be disconnected at the outdoor unit before performing service or maintenance to avoid risk of electric shock or damage to equipment 8 Terminal 2 carries communication signals and shou...

Page 17: ...utdoor power cord liquid pipe drain hose band drain hose band connection pipe indoor power cord Hanging the Indoor Unit Note It is recommended the indoor unit be mounted on a non porous flat surface Doing so will reduce unfiltered air from entering the unit as well as reduce sweating behind the unit Assure the insulation sections surrounding the refrigeration and condensate line are sealed and wit...

Page 18: ...e unit 2 Secure the outdoor unit on the selected base location with expansion screws 3 The outdoor unit should be installed at least 1 1 16 inch above the ground or base in order to install a drain joint as shown below At least 1 1 6 inch clearance Condensate Management of the Outdoor Unit 1 It is required to install a drain pipe for the outdoor unit to drain out the condensate water during heatin...

Page 19: ...de the accessory bag of the indoor unit put them onto the refrigerant pipe as shown below then flare the refrigerant pipe with a flaring tool 4 Check if the flare part is spread evenly and there are no cracks Bending Pipes 1 The pipes should be shaped by your hands or a refrigerant pipe bending tool for tighter bends Be careful not to collapse them 2 Do not bend the pipes in an angle more than 90 ...

Page 20: ...thod is the same as the method at the indoor unit Insulating the Pipe Joints 1 All refrigerant piping should be insulated with appropriate insulating material and plastic tape in order to prevent condensation and water leakage 2 The joints of the indoor unit should be wrapped with insulating material No gap is allowed on the joint of the indoor unit as shown below 4 Do not bend the pipe while it i...

Page 21: ...ing Requirements If the outdoor unit is installed lower than the indoor unit 1 A drain pipe should be above ground and the end of the pipe should not dip into water 2 Taping pipes must be done from bottom to top Do not wrap too tightly to avoid compression of the insulation which would reduce the effectiveness 3 All pipes are bound together by tape and secured to the wall with saddles 4 NOTE Oil t...

Page 22: ...ge and close the valves on the manifold gauge set 7 Open the liquid valve slightly and let some refrigerant go to the connection pipe to balance the pressure inside and outside of the connection pipe so that air will not come into the connection pipe when removing the hose Note that the gas and liquid valve can be opened fully only after the manifold valve assembly is removed 8 Put the caps back o...

Page 23: ...these hazards you MUST follow requirements for field wiring installation and grounding as described in the National Electrical Codes NEC and your local state electrical codes All field wiring MUST be performed by qualified personnel Failure to follow these requirements could result in death or serious injury 23 15 SEER Mini Split 09 12K 18 24K Indoor unit connection POWER Indoor unit connection PO...

Page 24: ...rough the insulation tube fasten it with the cord clamp Note Match the terminal block numbers and communication wire colors with those of the indoor unit WARNING 1 Before starting work check that power is not being supplied to the indoor unit and outdoor unit and follow lock out tag out practices 2 Improperly installed field wiring poses fire and electrocution hazards Pay special attention to the ...

Page 25: ...n the maximum power maximum amps of the unit 6 Improperly installed and grounded field wiring poses fire electrocution hazards For high voltage connections flexible electrical conduit is recommended whenever vibration transmission may create a noise problem within the structure To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in the Natio...

Page 26: ...rent from lightning or other sources may cause damage to the air conditioner Installation of Controllers Refer to the Installation Manual of the controller for more details Wiring between the indoor and outdoor unit should be at least 14 AWG 600 volt rated stranded wire 4 conductors are required Be sure to consult local and regional codes as well as the NEC for installation requirements that are a...

Page 27: ... the power cord match the unit requirements per NEC Improper wiring can cause a malfunction and fire or electrocution hazard 9 Are there any obstructions near the air inlets and air outlets for the indoor and outdoor units Improper ventilation and airflow will cause insufficient cooling and heating Non compliance with unit clearances could cause a unit malfunction including air recirculation and c...

Page 28: ...ve Discharge Suction Discharge Suction Heat exchanger evaporator Heat exchanger evaporator Heat exchanger condenser Heat exchanger condenser Valve Valve Valve Valve Liquid pipe side Gas pipe side Liquid pipe side Gas pipe side Strainer Strainer Strainer Capillary Capillary Compressor Compressor Accumlator Gas pipe 3 8 for 9 12K Cooling Only Models Heat Pump Models 28 15 SEER Mini Split ...

Page 29: ...swing angle of horizontal louver for this model The unit will not operate without the correct jumper cap When replacing boards the jumper cap must be moved to the new board 29 15 SEER Mini Split NOTE The wiring diagrams in this guide are included as a reference The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specification...

Page 30: ...clad motors Outdoor Cooling Only Unit 9K 12K Outdoor Heat Pump Only Unit 9K 12K NOTE The wiring diagrams in this guide are included as a reference The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice Always check the unit nameplate and wiring diagram for the actual unit requirements 30 15 SEER Min...

Page 31: ...K 24K Outdoor Heat Pump Only Unit 18K 24K NOTE The wiring diagrams in this guide are included as a reference The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice Always check the unit nameplate and wiring diagram for the actual unit requirements 31 15 SEER Mini Split ...

Page 32: ...1 2 6 2 1 8 2 1 8 6 5 8 18 3 16 6 5 16 Φ2 3 16 Φ2 3 16 Φ2 3 16 Φ2 3 16 4 11 16 21 5 16 7 1 4 3 5 16 5 1 3 8 1 3 8 MODEL W H D 09K 31 1 9 10 5 8 7 7 8 12K 33 1 4 11 3 8 8 2 9 09K 12K Unit inch 9K 12K Indoor Units 32 15 SEER Mini Split ...

Page 33: ... 2 4 7 7 3 16 5 1 2 7 1 2 1 1 2 Φ2 3 16 Φ2 3 16 3 1 8 6 1 11 16 8 1 8 27 7 5 16 Φ2 3 4 Φ2 3 4 Unit inch 18K 24K Models W H D 18K 38 1 5 11 4 5 8 5 6 24K 42 4 9 12 4 5 9 2 3 Indoor Unit Dimensions continued 33 15 SEER Mini Split ...

Page 34: ...30 5 9 21 1 4 12 3 5 8 2 11 1 4 20 10 1 8 Unit inch 35 13 3 8 27 9 16 15 5 8 38 14 5 16 22 9K 12K Outdoor Units 18K 24K Outdoor Units Outdoor Unit Dimensions 34 15 SEER Mini Split ...

Page 35: ...act your dealer for service Power cord overheats or becomes damaged If you notice a burning smell The unit trips the breaker panel or cycles off frequently without obtaining the set temperature Abnormal sound during operation If you notice water leakage Emergency Operation aux button panel WARNING Use an insulated object such as an electrician s screwdriver to press the aux button If the remote co...

Page 36: ...urs when the unit panels expand or contract due to temperature change The unit blows out dust When the unit has been off for a period of time Dust that has collected in the indoor unit is blown out The unit emits odor When the unit is operating The room odor absorbed by the unit is blown out again Indoor unit still runs after switch off After every indoor unit receives the stop signal fan will kee...

Page 37: ... 6 Clean the filter using a vacuum or rinse under cool clear water 7 If the filter is very dirty use warm water below 115 F 45 C A mild detergent should only be used if the residue cannot be removed with warm water Rinse the filter thoroughly before allowing to air dry If the filter cannot be adequately cleaned contact your dealer for a replacement filter 8 Let the filter air dry to avoid warping ...

Page 38: ...es are securely attached and that there is no visible damage to any of the electrical wiring 3 Check that the batteries of the wireless remote controller have been replaced 4 Check that the filter screen has been cleaned and replaced securely 5 After long periods of shutdown open the main power switch 8 hours before operating the unit so as to preheat the compressor 6 Check that the outdoor and in...

Page 39: ......

Page 40: ...15 1A EN Date December 2016 Supersedes NEW The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice Only qualified technicians should perform the installation and servicing of equipment referred to in this manual Intertek ...

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