Trane 38 Series Installer Manual Download Page 1

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Installer’s Manual

Split System (R-410A)

38 Series Mini-Split

Inverter System

9,000 Btu/h to 24,000 Btu/h

June 2020

MS-SVN054H-EN

Models:

HP Outdoor Units:

HP Indoor Units:

4TXK3809B1   4MXW3809B1
4TXK3812A1   4MXW3812A1
4TXK3818A1   4MXW3818A1
4TXK3824A1   4MXW3824A1

Summary of Contents for 38 Series

Page 1: ...stem R 410A 38 Series Mini Split Inverter System 9 000 Btu h to 24 000 Btu h June 2020 MS SVN054H EN Models HP Outdoor Units HP Indoor Units 4TXK3809B1 4MXW3809B1 4TXK3812A1 4MXW3812A1 4TXK3818A1 4MXW3818A1 4TXK3824A1 4MXW3824A1 ...

Page 2: ...s 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 unsafe practices NOTICE...

Page 3: ...trainers must be changed Do not break a vacuum with air Do not leak check the sealed system with compressed air Unless instructed by factory service representative external refrigeration driers are prohibited USE ONLY THE FACTORY RECOMMENDED OIL TYPE Important Environmental Concerns Scientific research has shown that certain man made chemicals can affect the earth s naturally occurring stratospher...

Page 4: ...t 19 Installing the Outdoor Unit 20 Condensate Management of the Outdoor Unit 20 Installing the Refrigerant Piping 21 Flaring Process and Bending Pipes 21 Refrigerant Piping at the Outdoor Unit 22 Insulating the Refrigerant Piping and Connections 22 Piping Requirements 23 Vacuum and Refrigerant Leakage Detection 24 Wiring Precautions 25 Outdoor Wiring Connections 25 Stranded Wiring Connections 26 ...

Page 5: ...er to the installation specifications for additional requirements 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 Use a dedicated power circuit Never use a power supply shared by another appliance 7 For wiring use a cable that is...

Page 6: ...cerning use of the appliance by a person responsible for their safety 4 Children should be supervised to ensure that they do not play with the appliance NOTICE 1 Establish drain piping according to the instructions in this manual Inadequate piping may cause flooding 2 Tighten the flare nut according to the specified method If the flare nut is tightened too hard the flare nut may crack and cause re...

Page 7: ...be included in outdoor unit 4 Flare nuts for connecting refrigerant pipes 5 Mounting fasteners Outdoor Unit 1 Installation Manual 2 Warranty Letter 3 Drain pipe connector typically packaged in cellophane bubble Necessary tools 1 Drill 2 Hole Saw 3 Phillips TM screwdriver 5 Vacuum pump capable of pulling to 350 microns 6 Manifold gauge set designed for this type of equipment 7 Manifold gauge hoses ...

Page 8: ...Panel 2 Filter 3 Guide Louver 4 Wall Pipe 5 Bind Tape 6 Connection Wire 7 Drainage Pipe 8 Power Cable 9 Wired Controller Sold Separately 10 Remote Controller Indoor Unit Outdoor Unit Sold Separately Sold Separately Typical Installation Setup 8 38 Series Mini Split ...

Page 9: ...20 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 ...

Page 10: ...mm bearing pressure 435 PSI 3 0 MPa 3 Shorter connecting pipe lengths result in greater thermal efficiency so it is preferable to reduce connecting pipe lengths where possible 4 Refer to the oil trap instructions for specific requirements when there is height difference between the indoor and outdoor unit greater than 20 ft 6m Heat Pump 4TXK3809B 4TXK3812A 4TXK3818A 4TXK3824A 4MXW3809B 4MXW3812A 4...

Page 11: ...xcessive 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 pipes to the connections Excessive exposure to atmosphere greater than 5 minutes may allow moisture or other particulates t...

Page 12: ...e the air inlet and outlet are not blocked by any obstacles 4 Select a location capable of supporting four times the weight of the unit that will not increase vibration and where installation work can be carried out safely 5 Select a location away from flammable gas or gas leaks 6 Ensure installation of the outdoor unit conforms to the clearance specifications in this manual 7 Locate the outdoor u...

Page 13: ...ation on page 8 9 2 Place the wall mounting frame on the wall and check that it is level Mark the screw holes to be drilled ensuring they are in a place with adequate support a It is equally important to assure the mounting surface i e wall is flat Use a straight edge to assure the section of the mounting surface in which the unit will be secured is neither concave or convex b For corrugated walls...

Page 14: ...gradient of 5 10 As shown below 4 Insert a sleeve into the hole to prevent the connection piping and wiring from being damaged when passing through the hole Drilling the Piping Hole The piping can be connected in the direction of right rear right left or rear left Left Rear left Right Rear right Cut off the hole Left Right Indoor 5 10 outdoor Φ2 1 4 55 Φ2 3 4 70 inch mm Left Wall Right Mark in the...

Page 15: ...cting place the equipment specified oil type 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 or adjustable wrench 3 Refer to the torque reference table below before tightening to determine the appropriate torque over tightening will damage the nut and le...

Page 16: ...vapor service valve 7 After leak checking is complete apply thermal insulation around the flare connections and all exposed refrigeration pipes Refer to the guidelines for insulating refrigerant piping and connections in this manual for additional information a Seal the insulation b Inspect the insulation to assure no breakages are present Pipe Diameter in mm Tightening Torque 1 4 6 35 11 25 14 75...

Page 17: ...ng tape to prevent condensation shown in Fig C below Note The drain pipe must be routed lower and sloped downward away from the indoor unit 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 shown in Fig D below 2 Thread the power connection wire through the cable cross hole at the back of the indoor unit ...

Page 18: ...he primary disconnect for both the indoor and outdoor unit shall be wired to disconnect the branch circuit feeding the outdoor unit The Indoor unit obtains high voltage and communication from the outdoor unit If the AHJ authority having jurisdiction requires a branch circuit disconnect before the indoor unit then break all three legs between the outdoor unit and indoor unit using a switch with cur...

Page 19: ...these pipes indoor unit gas pipe indoor and outdoor 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 Ensure the insulation sections surrounding the refrige...

Page 20: ...ation location that provides easy access to the indoor unit 1 Make sure the location can support at least four times the weight of the 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 4 inch above the ground or base in order to install a drain pipe and connector shown below At least 1 1 4 inch 31 8mm clearance Co...

Page 21: ...er and deburring tool cut and deburr the refrigerant pipe 3 Remove the flare nuts at the stop valve of the outdoor unit and inside 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 When flaring copper tubing only use flaring tools that utilize an orbiting mandrel and clutched handle These are typically refer...

Page 22: ...uidelines in this manual Insulating the Refrigerant Piping and Connections 4 Do not bend the pipe while insulated First cut the insulation with a sharp cutting tool and expose it to the appropriate bend radius as shown below After bending the pipe replace the insulation and seal it with pipe wrap tape 1 The refrigerant pipes should be insulated and wrapped with appropriate insulating material and ...

Page 23: ... 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 otherwise its effectiveness is reduced 3 All pipes are bound together by pipe tape and secured to the wall with saddles 4 NOTE O...

Page 24: ...ual refrigeration circuit to 350 microns or below and close off the valve to the vacuum pump If the pressure rises above 500 microns within one minute but not above 1500 microns within 5 minutes moisture is present If the pressure continues to rise above 1500 microns a leak exists in the circuit being tested a If moisture is present use triple evacuation process to eliminate the moisture b If a le...

Page 25: ... 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 1 Remove the wire clip and connect the power connection wire and signal control wire terminals according to the color c...

Page 26: ...mps Stranded Wire Note Match the terminal block numbers and connection wire colors with those of the indoor units WARNING 1 Ensure power supplied to the equipment both indoor and outdoor units is disconnected and the units are not energized prior to performing work on the system 2 Improperly installed field wiring poses fire and electrocution hazards Install wiring carefully 3 Secure the connectio...

Page 27: ...n the National Electrical Codes NEC and your State and or local electrical codes All field wiring MUST be performed by qualified personnel Failure to follow these requirements could result in death or serious injury 6 The wiring including the ground wire between the indoor and outdoor units should be at least 14 AWG 600 volt rated stranded wire with an absolute maximum length of 230 ft 70m Shorter...

Page 28: ...c shock hazard Do not ground the unit to a utility pipe arrester or telephone ground Incomplete ground may cause electrical shock or fire A high current surge from lightning or other sources may cause damage to the air conditioner Installation of Controllers Refer to the controller installation manual for instructions and functionality The wiring including the ground wire between the indoor and ou...

Page 29: ...he power wiring match the unit requirements Improper wiring can create 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 and possible freezing and condensate issues at the indoor unit 10 Have dust and debris been cleaned and remov...

Page 30: ...uction 4 Way valve Electron Strainer Strainer expansion valve Strainer Capillary D Strainer Intercooler Liquid 1 4 Gas 5 8 INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction 4 Way valve Electron Strainer Strainer expansion valve Strainer Capillary D Strainer Intercooler 9K 12...

Page 31: ...s Color Key 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 Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green COMP Compres...

Page 32: ...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 6361000044501 N 1 2 3 32 38 Series Mini Split ...

Page 33: ... 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 63610000440 33 38 Series Mini Split ...

Page 34: ...e 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 34 38 Series Mini Split ...

Page 35: ...d measurement Indoor Unit Dimensions 9K 12K Indoor Units Unit inch 4 5 8 27 7 5 8 5 1 2 7 1 2 1 1 2 Φ2 1 4 Φ2 1 4 39 1 4 8 7 8 11 7 8 18K 24K Indoor Units Unit inch 43 3 8 12 7 8 9 13 16 8 9 16 26 15 16 7 7 8 1 11 16 6 1 16 3 1 8 Φ2 3 4 Φ2 3 4 35 38 Series Mini Split ...

Page 36: ...unded according to standard measurement 9K 12K Outdoor Units 18K 24K Outdoor Units Outdoor Unit Dimensions 35 3 8 32 3 16 21 2 3 13 1 2 12 23 1 2 14 7 8 Unit inch Unit inch 14 9 16 31 1 8 16 13 16 15 9 16 39 3 8 24 36 36 38 Series Mini Split ...

Page 37: ...vice technician F1 Indoor ambient sensor open or short circuit F2 Indoor tube sensor open or short circuit If other error codes are present contact your dealer or qualified service technician If any of the following occurs shut off the unit and contact your dealer or qualified service technician Power cord overheats or becomes damaged If you notice a burning smell The unit trips the breaker panel ...

Page 38: ...n unit is running or after running The sound of the drainage system operating Cracking sound is heard when unit is operating and after operating This sound occurs 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 in indoor unit is blown out The unit emits odor When the unit is operating The room odor absor...

Page 39: ...aned contact your dealer for a replacement filter 8 Let the filter air dry to avoid warping Do not dry the filter in direct sunlight 9 Reinstall the filter into the clips and close the front panel WARNING 1 After removing the filter do not touch the evaporator fins to avoid injury 2 Do not use fire a hair dryer or any other source of heat to dry the filter to avoid a fire hazard and warping Auxili...

Page 40: ...rely attached and that there is no visible damage to any of the electrical wiring 3 The batteries of the wireless remote controller have been replaced 4 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 The outdoor and indoor units are installed securely 7 If there...

Page 41: ......

Page 42: ...trane com or www americanstandardair com The AHRI Certified mark indicates company participation in the AHRI Certification program For verification of individual certified products go to ahridirectory org The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice We are committed to using environmentally conscious print...

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