Trane XV18 Install Manual
Contents
1. SS ie I UO eC 7 AWINGINING e LES 30 E DO DOGODO 400 VOLTS ELECTRICAL HAZARD Failure to follow this warning could result in personal injury or death CAUTION HOT SURFACE V I OOO0O0O O5 COCCOCCO Lye DOOHOOOY Oooo codoD E 2 oO WAIT TWO 2 MINUTES after disconnecting power prior to touching electrical components as they may hold a dangerous charge of 4 400VDC then verify DC Voltage is less than 42 VDC at inverter test points labeled VDC and VDC before servicing board VDC and VDC Approved Combinations for Variable Speed Units e TZONE 850 Comfort Control or TZONE 950 with Software Version 3 0 or Higher TAMS8C or later models XC80 Furnace XC95m Furnace Approved System Accessories Scan to see an A overview video Jay about the IVSC Note See AHRI directory for approved indoor and outdoor model combinations Only Trane coils and air handlers are approved for use with variable speed outdoor units Table 1 Operating Range Cooling 55 F to 120 F Heating 10 F to 66 F 18 BC92D1 1D EN 3 S TRANE Table of Contents Unit Location Considerations 5 E a tee n2. 18 BC92D1 1D EN 23 E TRANE Charging the Unit Table 33 System Information 9 Record system pressures and temperatures after charging is complete Outdoor model number Measured Outdoor Ambient Measured Indoor Ambient Measured Liquid Line Temp Measured Suction Line Temp 24 Indoor Wet Bulb Liquid Gage Pressure Suction Gage Pressure 18 BC92D1 1D EN S TRANE Communicating Display Assembly CDA C SYSTEM STATUS m XXXXXXXXXXXXXXXX MONITOR MENU ALERT MENU lt lt The Monitor Menu The Alert Menu displays information displays active alerts on System status Drive stats and the System Tachometer Scan to see an overview video about the CDA Note See the Service Facts found in the control box of the outdoor unit for more information 18 BC92D1 1D EN NAVIGATION e To enter and exit Technician Menus press the Up Down buttons simultaneously for 5 seconds e To return to the Home Screen press the Up Down buttons simultaneously for 5 seconds e To return to the top level of any menu press the Left Right buttons simultaneously for 5 seconds e After five minutes of inactivity in the Technician Menu section the Home Screen will be displayed Pressing the Enter button for 5 seconds will increase this time to 20 minutes TECHNICIAN MENUS ALERT HISTORY MENU The Alert History menu displays alerts stored over time No
3. Failure to follow this Warning could result in property damage severe personal injury or death Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized A WARNING REFRIGERANT OIL Any attempt to repair a central air conditioning product may result in property damage severe personal injury or death These units use R 410A refrigerant which operates at 50 to 70 higher pressures than R 22 Use only R 410A approved service equipment Refrigerant cylinders are painted a Rose color to indicate the type of refrigerant and may contain a dip tube to allow for charging of liquid refrigerant into the system All R 410A systems with variable speed compressors use a PVE oil that readily absorbs moisture from the atmosphere To limit this hygroscopic action the system should remain sealed whenever possible If a system has been open to the atmosphere for more than 4 hours the compressor oil must be replaced Never break a vacuum with air and always change the driers when opening the system for component replacement A CAUTION HOT SURFACE May cause minor to severe burning Failure to follow this Caution could result in property damage or personal injury Do not touch top of compressor 2014 Trane A CAUTION CONTAINS REFRIGERANT Failure to follow proper procedures can result in personal i
4. System Idle r B Menu nao 3 Turn on disconnect s to apply power to the indoor and outdoor units 4 Wait 3 hours before starting the unit if the outdoor ambient temperature is below 85 F 5 Run the system using the Charging Mode Cooling test mode found in the 850 950 comfort control This is the only approved oneal method for setting the system charge level by subcooling E Coating o cool ee A T Follow the on screen prompts 75 75 sa l door 20 18 BC92D1 1D EN S TRANE System Charge Adjustment Table 28 Temperature Measurements Check the outdoor temperatures Subcooling using Charging Mode Cooling is the only recommended method of charging between 55 F and 120 F ambient outdoor temperature For best results the indoor temperature should be kept between 70 F to 80 F Table 29 Subcooling Charging Corrections Subcooling Charging Correction Worksheet Determine the final subcooling value using total Line Length and Lift measured in Table 8 p 9 Required Refrigerant Line Length and Total Line Length ft the Subcooling Charging Corrections Charts Total Vertical Charge lift Values from Required Refrigerant Line Length Design Subcooling Value from nameplate or Service Facts Final Subcooling Value 18 BC92D1 1D EN 21 S TRANE Subcool Charging Correction Charts Figure 2 Subcool Charging Corrections 2 0 Ton Figure 4 Su
5. 196 4TTV8036A 41x 30x33 207 4TTV8037A 41x 34x37 225 4TTV8048A 41x 34x37 245 4TTV8060A 45 x 34 x 37 250 Weight values are estimated uncrated e When mounting the outdoor unit on a roof be sure the roof will support the unit s weight e Properly selected isolation is recommended to alleviate sound or vibration transmission to the building structure Table 3 Refrigerant Line and Service Valve Connection Sizes Rated Line Sizes Service Valve Connection Sizes Model A are Vapor Liquid Vapor Line Liquid Line Line Line Connection Connection 4TWV8024A 5 8 a 3 8 5 8 3 8 4TWV8036A 3 4 a 3 8 3 4 3 8 i f Si 4TWV8037A 3 4 a 3 8 3 4 3 8 Standard i Line Set 4TWV8048A 7 8 a 3 8 7 8 3 8 150 Max 4TWV8049A 7 8 a 3 8 7 8 3 8 Line Length 4TWV8060A 1 1 8 3 8 7 8 3 8 4TTV8024A 5 8 a 3 8 5 8 3 8 4TTV8036A 3 4 a 3 8 3 4 3 8 4TTV8037A 3 4 a 3 8 3 4 3 8 4TTV8048A 7 8 a 3 8 7 8 3 8 4TTV8060A 1 1 8 9 3 8 7 8 3 8 Refer to a b and c footnotes for specific model details A e m s m a a a G 50 Max Line Lift 100 Max Line Length a The max length of refrigerant lines from outdoor to indoor unit MUST NOT exceed 150 feet The max vertical change M
6. Table 6 Cold Climate Considerations Heat Pump Only Note It is recommended that these precautions be taken for units being installed in areas where snow accumulation and prolonged below freezing temperatures occur Units should be elevated 3 12 inches above the pad or rooftop depending on local weather This additional height will allow drainage of snow and ice melted during defrost cycle prior to its refreezing Ensure that drain holes in unit base pan are not obstructed preventing drainage of defrost water If possible avoid locations that are likely to accumulate snow drifts If not possible a snow drift barrier should be installed ia around the unit to prevent a build up of snow on the sides of Snow Legs the unit 3 12 Elevation Pad Coastal Considerations If installed within one mile of salt water including seacoasts and inland waterways models without factory supplied Seacoast Salt Shields require the addition of BAYSEACO01 Seacoast Kit at installation time 18 BC92D1 1D EN 7 S TRANE Unit Preparation 1 Check for damage and report promptly to the carrier any damage found to the unit 2 To remove the unit from the pallet remove tabs by cutting with a sharp tool Setting Up the Unit Table 7 Pad Installation When installing the unit on a support pad such as a concrete slab consider the following The pad should be at least 1 larger th
7. ft 2 Value from Column D 3 Step 1 x Step 2 4 Charge Adder column C 5 Factory Charge column B 6 Refrigerant Steps 3 4 5 Note The only mode approved for setting or validating system charge is using Charging Mode Cooling Charging Mode Cooling is a variable speed test mode found in the 850 950 comfort control Technician Menu Outdoor Temperature must be between 55 F and 120 F with Indoor Temperature kept between 70 F and 80 F 18 BC92D1 1D EN S TRANE Service Valves Table 21 Open the Gas Service Valve Important Leak check and evacuation must be completed before opening the service valves Note Do not vent refrigerant gases into the atmosphere Remove valve stem cap Using a wrench turn valve stem 1 4 turn counterclockwise to the fully open position Replace the valve stem cap to prevent leaks Tighten finger tight plus an additional 1 6 turn Table 22 Open the Liquid Service Valve A WARNING SERVICE VALVES Failure to follow this warning will result in abrupt release of system charge and may result in personal injury and or property damage Extreme caution should be exercised when opening the Liquid Line Service Valve Turn valve stem counterclockwise only until the stem contacts the rolled edge No torque is required Important Leak check and evacuation must be completed before opening the service valves Remove service valve cap Fully insert 3 16 hex w
8. S TRANE Installer s Guide Variable Speed ComfortLink Il Heat Pumps and Air Conditioners ATWV8024A1000A ATTV8024A1000A ATWV8036A1000A ATTV8036A1000A ATWV8037A1000A A4TTV8037A1000A N 4TWV8048A1000A 4TTV8048A1000A WN ATWV8049A1000A ATTV8060A1000A WN ATWV8060A1000A AN N A N LLL WIV LL LLL LL LLL LLL W LW ILII LLL ALLLLLLLLLLLLLLLL VO N N X N X A A LLL L222 LLL Note Graphics in this document are for representation only Actual model may differ in appearance A SAFETY WARNING Only qualified personnel should install and service the equipment The installation starting up and servicing of heating ventilating and air conditioning equipment can be hazardous and requires specific knowledge and training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment 18 BC92D1 1D EN GID ingersot rana October 2014 S TRANE SAFETY SECTION OUTDOOR Important This document contains a wiring diagram and service information This is customer property and is to remain with this unit Please return to service information pack upon completion of work A WARNING HAZARDOUS VOLTAGE
9. ST NOT exceed 80 feet The max vertical change MUST NOT exceed 25 feet 18 BC92D1 1D EN E TRANE Unit Location Considerations Table 5 Suggested Locations for Best Reliability F i Avoid Install e Ensure the top discharge area is unrestricted for at least 5 Near Badee feet above the unit e Provide at least 3 feet clearance in front of the control box N access panels and any other side requiring service i e Do not locate close to bedrooms as operational sounds may be objectionable i i r A r E l 1 Min 5 Unrestricted e Avoid locations near windows and similar areas where i i condensation and freezing defrost vapor can annoy a customer i e Position the outdoor unit a minimum of 12 from any wall or Min 3 surrounding shrubbery to ensure adequate airflow Min 12 to y lt lt Unrestricted gt Shrubbery e Outdoor unit location must be far enough away from any structure to prevent excess roof runoff water or icicles from falling directly on the unit e Position the outdoor unit a minimum of 12 from any wall or surrounding shrubbery to ensure adequate airflow e Outdoor unit location must be far enough away from any structure to prevent excess roof runoff water or icicles from falling directly on the unit Min 12 to Shrubbery L
10. UST NOT exceed 50 feet b The max length of refrigerant lines from the outdoor to indoor unit MUST NOT exceed 80 feet The max vertical change MUST NOT exceed 10 feet The max length of refrigerant lines from outdoor to indoor unit MUST NOT exceed 80 feet The max vertical change MUST NOT exceed 25 feet 18 BC92D1 1D EN E TRANE Unit Location Considerations Table 4 Alternate Refrigerant Line and Service Valve Connection Sizes Alternate Line Sizes c Service a Model onnection Sizes Vapor Liquid Vapor Line Liquid Line Line Line Connection Connection 4TWV8024A 3 4 a 5 16 5 8 3 8 5 8 a 5 16 3 4 3 8 4TWV8036A 7 8 b 5 16 3 4 3 8 5 8 a 5 16 3 4 3 8 4TWV8037A 7 8 b 5 16 3 4 3 8 4TWV8048A 3 4 a 3 8 7 8 3 8 4TWV8049A 3 4 a 3 8 7 8 3 8 3 4 a 3 8 77 3 3 8 4TWV8060A 4 f 7 8 3 8 7 8 3 8 Alternate Line Sizes Service Valve Model Connection Sizes Vapor Liquid Vapor Line Liquid Line Line Line Connection Connection 4TTV8024A 3 4 a 5 16 5 8 3 8 5 8 a 5 16 3 4 3 8 4TTV8036A 4 k 7 8 b 5 16 3 4 3 8 4TTV8048A 3 4 a 3 8 7 8 3 8 4TTV8060A H ZE ae 3 8 7 8 3 8 7 8 3 8 a The max length of refrigerant lines from outdoor to indoor unit MUST NOT exceed 150 feet The max vertical change MUST NOT exceed 50 feet b The max length of refrigerant lines from outdoor to indoor unit MU
11. an the unit on all sides The pad must be separate from any structure The pad must be level The pad should be high enough above grade to allow for drainage The pad location must comply with National State and Local codes 18 BC92D1 1D EN S TRANE Refrigerant Line Considerations Table 8 Required Refrigerant Line Length Determine required line length and lift You will need this to determine the subcooling charging corrections later in the installation process Total Line Length Ft Total Vertical Change lift 7 Table 9 Refrigerant Line Insulation Important The Vapor Line must always be insulated DO NOT allow o the Liquid Line and Vapor Line to come in direct metal to Liquid Line metal contact Note The gas line must always be insulated Insulating the liquid line through attic spaces may benefit system performance by minimizing heat gain in the liquid line 18 BC92D1 1D EN eo Line Length gt Vapor Line oe Insulation E TRANE Refrigerant Line Considerations Table 10 Reuse Existing Refrigerant Lines A CAUTION REFRIGERANT Failure to inspect or use proper service tools may result in equipment damage or personal injury If using existing refrigerant lines make certain that all joints are brazed not soldered For retrofit applic
12. ations where the existing indoor evaporator coil and or refrigerant lines will be used the following precautions should be taken e Ensure that the indoor evaporator coil and refrigerant lines are the correct size e Ensure that the refrigerant lines are free of leaks acid and oil Important For more information see publication number SS APGOO6 EN Table 11 Refrigerant Line Routing Precautions Important Comply with National State and Local Codes when isolating line sets from joists rafters walls or other structural elements Important Take precautions to prevent noise within the building structure due to vibration transmission from the refrigerant lines For Example When the refrigerant lines must be fastened to floor joists or other framing in a structure use isolation type hangers Isolation hangers should also be used when refrigerant lines are run in stud spaces or enclosed ceilings Where the refrigerant lines run through a wall or sill they should be insulated and isolated Isolate the lines from all duct work Minimize the number of 90 turns Table 12 Isolation From Joist Rafter 8 Feet Maximum Joist Rafter o Isolator G0oa0oacooo ooo0oo0oo0o0000 Side View o e 8 Feet Maximum Line Set Secure Vapor Line from joists using isolators every 8 ft Secure Liquid Line directly to insulated Vapor Line using tape wire or other appropria
13. bcool Charging Corrections 4 0 Ton 2 0TON SUBCOOL CHARGING CHART CORRECTIONS TABLE FOR LINE LENGTH AND RISE 4 0TON SUBCOOL CHARGING CHART CORRECTIONS TABLE FOR LINE LENGTH AND RISE 2 S Use Design Subcooling P a Use Design Subcooling sa FEFRGERANTLINELIFT FEET o 30 40 50 60 70 80 90 100 110 120 130 140 150 30 40 50 60 70 80 90 100 110 120 130 140 150 TOTAL REFAIGERANT LINE LENGTH FEET TOTAL REFRIGERANT LINE LENGTH Figure 5 Subcool Charging Corrections 5 0 Ton 5 0 TON SUBCOOL CHARGING CHART CORRECTIONSTABLE FOR LINE LENGTH AND RISE Add 1 36 Use Design Subcooling yw eo amp a Use Design Subcooling a AC 1 1 8 Vapor Line Limit HP 1 1 8 Vapor Line Limit 30 40 50 60 70 80 90 100 110 120 130 140 150 20 30 40 50 60 70 80 90 100 110 120 130 140 150 TOTAL REFRIGERANT LINE LENGTH TOTAL REFRIGERANT LINE LENGTH FEET NOTE 150 ft length is approved ONLY with 7 8 vapor lines REFRIGERANT LINE LIFT FEET o LIQUID TEMP F Refer to Service Facts or Installer s Guide for charging method 22 18 BC92D1 1D EN S TRANE Charging the Unit Table 30 Proper Gage Pressure Using the Refrigerant Charging Chart p 22adjust refrigerant level to attain proper gage pressure Add refrigerant if the Liquid Gage Pressure is lower than the chart value 1 C
14. c tia ee eatin Pana a Speeder aea chee E 6 Coastal Considerations 7 Unit Preparation 0c cee eee eee 8 Setting Up the Unit 000 0 eee 8 Refrigerant Line Considerations 9 Refrigerant Line Brazing 06 12 Refrigerant Line Leak Check 14 Refrigerant Line and Indoor Coil Evacuation 2 cce eee eee eee 14 Charging Weigh In Method 15 Service Valves oi ece wcrceiece dna eurerele Gudea come cates 16 Electrical Low Voltage 17 4 Electrical High Voltage 18 Integrated Variable Speed Control Board LED IndicatorSi re cww cree creas 08 ore Oo 19 Slat ahd 4 sata se chap enals niece bes ase 20 System Charge Adjustment 21 Subcool Charging Correction Charts 22 Refrigerant Charging Chart 22 Charging the Unit 0000 23 Communicating Display Assembly CDA innere taa a Ean a a alai 25 Defrost Control Heat Pump only 26 Checkout Procedures 000 0005 27 18 BC92D1 1D EN S TRANE Unit Location Considerations Table 2 Unit Dimensions and Weight Models HxDxW in Weight Ib 4TWV8024A 41 x 30x 33 195 4TWV8036A 41x 30x33 208 4TWV8037A 41 x 34x 37 229 4TWV8048A 41x 34x37 234 4TWV8049A 41 x 34x 37 241 4TWV8060A 45 x 34 x 37 250 4TTV8024A 41x 30x33
15. eck liquid line filter drier s directional flow arrow to confirm correct direction of refrigeration flow away from outdoor unit and toward evaporator coil as illustrated Braze the filter drier to the Liquid Line 6 Continue the dry nitrogen purge Do not remove the wet rag until all brazing is completed Important Remove the wet rag before stopping the dry nitrogen Q si purge A 3 4 from valve Note Precautions should be taken to avoid heat damage to base pan i during brazing It is recommended to keep the flame directly off of the base pan 7 Replace the pressure tap valve cores after the service valves have cooled 18 BC92D1 1D EN 13 S TRANE Refrigerant Line Leak Check Table 16 Check for Leaks 1 Pressurize the refrigerant lines and evaporator coil to 150 PSIG 1 50 PS G using dry nitrogen 2 Check for leaks by using a soapy solution at each brazed location Note Remove nitrogen pressure and repair any leaks before continuing Refrigerant Line and Indoor Coil Evacuation Important Do not open the service valves until the refrigerant lines and indoor coil leak check and evacuation are complete Evacuate until the micron gauge reads no higher than 350 microns then close off the valve to the vacuum pump Observe the micron gauge Evacuation is complete if the micron gauge does not rise above 500 microns in one 1 minute When evacuation is complete blank off the vacuum pump and micron
16. ed and insulated All drain lines are clear with joints properly sealed Pour water into drain pan to confirm proper drainage 18 BC92D1 1D EN Supply registers and return grilles are open unobstructed and air filter is installed Indoor blower and outdoor fan are operating smoothly and without obstruction Indoor blower motor set on correct speed setting to deliver required CFM Cover panels are in place and properly tightened For gas heating systems manifold pressure has been checked and all gas line connections are tight and leak free For gas heating systems flue gas is properly vented System functions safely and properly in all modes Owner has been instructed on use of system and given manual TRANE Trane optimizes the performance of homes and buildings around the world A business of Ingersoll Rand the leader in creating and sustaining safe comfortable and energy efficient environments Trane offers a broad portfolio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www Trane com Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice 2014 Trane 18 BC92D1 1D EN 13 Oct 2014 AR rgersoi Rand Supersedes 18 BC92D1 1C EN January 2014
17. gauge and close the valves on the manifold gauge set 18 BC92D1 1D EN S TRANE Charging Weigh In Method Weigh In Method can be used for the initial installation or anytime a system charge is being replaced Weigh In Method can also be used when power is not available to the equipment site or operating conditions indoor outdoor temperatures are not in range to verify with the subcooling charging method Table 17 Heat Pumps A B c D Charge multiplier for Model Gree o fatencoanecing Indoor Coil refrigerant tube length 024 7 b 6 oz 6 oz 0 6 oz ft 036 8 lb 3 oz 8 oz 0 6 oz ft 037 9 b 8 oz 12 oz 0 6 oz ft 048 9 b 13 oz 13 oz 0 6 oz ft 049 10 Ib 12 oz 15 oz 0 6 oz ft 060 11 b 14 oz 1 lb 2 oz 0 6 oz ft Table 18 Air Conditioners A B c D Charge multiplier for Model PAE aaa inecregunceting Indoor Coil refrigerant tube length 024 7 b 6 oz 6 oz 0 6 oz ft 036 7 b 14 oz 7 Oz 0 6 oz ft 037 9 b 6 oz 12 oz 0 6 oz ft 048 11 Ib 1 oz 1 Ib 0 oz 0 6 oz ft 060 11 Ib 14 oz 11b 2 oz 0 6 oz ft Table 19 New Installations Calculating Charge using the Weigh In method 1 Measure in feet the distance between the outdoor unit and the indoor unit and record on Line 1 Include the entire length of the line from the service valve to the IDU 2 Enter the charge multiplier from Column D 3 Multip
18. llness or injury or severe equipment damage System contains oil and refrigerant under high pressure Recover refrigerant to relieve pressure before opening system A CAUTION GROUNDING REQUIRED Failure to inspect or use proper service tools may result in equipment damage or personal injury Reconnect all grounding devices All parts of this product that are capable of conducting electrical current are grounded If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position and properly fastened A WARNING SERVICE VALVES Failure to follow this warning will result in abrupt release of system charge and may result in personal injury and or property damage Extreme caution should be exercised when opening the Liquid Line Service Valve Turn valve stem counterclockwise only until the stem contacts the rolled edge No torque is required A WARNING BRAZING REQUIRED Failure to inspect lines or use proper service tools may result in equipment damage or personal injury if using existing refrigerant lines make certain that all joints are brazed not soldered A WARNING HIGH LEAKAGE CURRENT Failure to follow this Warning could result in property damage severe personal injury or death Earth connection essential before connecting electrical supply 18 BC92D1 1D EN E TRANE SAFETY SECTION OUTDOOR
19. ly the total length of refrigerant tubing Line 1 times the value on Step 2 Record the result on Line 3 of the Worksheet 4 Locate the outdoor equipment size in Column A Record the value shown in Column C of Table 16 for Heat Pumps or Table 17 for Air Conditioners 5 Add the values from Step 3 and Step 4 and record the resulting value This is the amount of refrigerant to weigh in prior to opening the service valves New Installation Weigh In Method Worksheet 1 Line Length ft 2 Value from Column D 3 Step 1 x Step 2 4 Charge Adder column C 5 Refrigerant Steps 3 4 Table 20 Sealed System Repairs Calculating Charge using the Weigh In method 1 Measure in feet the distance between the outdoor unit and the indoor unit and record on Line 1 Include the entire length of the line from the service valve to the IDU 2 Enter the charge multiplier from Column D 3 Multiply the total length of refrigerant tubing Line 1 times the value on Line 2 Record the result on Line 3 of the Worksheet 4 Locate the outdoor equipment size in Column A Record the value shown in Column C of Table 16 for Heat Pumps or Table 17 for Air Conditioners 5 Record the value in Column B to Line 5 of the Worksheet 6 Add the values from Step 3 Step 4 and Step 5 and record the resulting value on Line 6 This is the amount of refrigerant to weigh in New Installation Weigh In Method Worksheet 1 Line Length
20. onnect gauges to refrigerant bottle and unit as illustrated 2 Purge all hoses 3 Open bottle 4 Stop adding refrigerant when liquid line temperature and Liquid Gage Pressure match the charging chart Note Recover refrigerant if the Liquid Gage Pressure is higher than the chart value Table 31 Stabilize the system 5 Wait 20 minutes for the system condition to stabilize between adjustments Note When the Liquid Line Temperature and Gage Pressure approximately match the chart the system is properly charged 6 Remove gauges 7 Replace service port caps to prevent leaks Tighten finger tight plus an additional 1 6 turn Table 32 Verify Performance PRESSURE CURVE SAMPLE 8 Refer to System Pressure Curves in the Service Facts document to verify typical performance Cooling 1450 SCFM Heating 1350 SCFM INDOGRENTERING INDOORENTERING WET BULB CURVES DRY BULB CURVES OPTO BOTTI TOP TOBOTTOM 71 67 63 AND 59 DEGF 80 70 AND 60 DESF DISCHARGE PRESSURE PSIG 5 TINDORENTERNG 140 INDORE INDOOR ENTERING ea rann 430 DRVeULB CURVES I HOP TOBOTTOM 171 67 63 AND 59 DEGF 120 H20 70 AND 60 DEGF 100 SUCTION PRESSURE PSIG NEEN H
21. perature or maximum time override of 15 minutes 5 When test begins TEST IN PROGRESS displays on line 1 and Coil Temperature value on line 2 Note Home Screen under System Status will display DEFROST 6 When test is complete TEST COMPLETE displays for 10 seconds 7 Ifthere is a defrost fault condition test terminates and sends alert to the alert menu 8 For more information refer to the Alert Code Tables in Service Facts and Technical Service Manual Pub No 34 4301 01 documents Note Screens will update as the test proceeds 18 BC92D1 1D EN S TRANE Checkout Procedures The final phase of the installation is the system Checkout Procedures The following list represents the most common items covered in a Checkout Procedure Confirm all requirements in this document have been met All wiring connections are tight and properly secured Voltage and running current are within limits All refrigerant lines internal and external to equipment are isolated secure and not in direct contact with each other or structure All braze connections have been checked for leaks A vacuum of 350 microns provides confirmation that the refrigeration system is leak free and dry Final unit inspection to confirm factory tubing has not shifted during shipment Adjust tubing if necessary so tubes do not rub against each other or any component when unit runs Ductwork is seal
22. r ambient temperature sensor ODS B reporting an outdoor temperature at or below 52 F e Coil temperature sensor CBS reporting a coil temperature at or below 35 F e Heat Cool Demand HCD from the communicating comfort control for at least two minutes or more Defrost Initiation The calculated temperature difference between the outdoor temperature sensor and the coil temperature sensor is called Delta T Defrost can occur once the current Delta T exceeds the Delta T initiate value The Defrost initiate value is calculated using a clean coil Delta T x 2 0 plus a temperature bin correction factor Initiation Delta T will automatically adjust based on the outdoor temperature This adaptive logic assures a complete defrost for a range of outdoor temperatures DEFROST TERMINATION PROFILES RMINATION TEM MEDIUM TERMINATION TEMP r ee FACTORY TERMINATION TEMP TERMINATION TEMPERATURE AMBIENT TEMPERATURE 26 CDA Navigation to Forced Defrost Figure 6 CDA Mini Menu CONFIG MENU MONITOR MENU p CONTROL MENU lt TEST IN PROGRESS CTS lt value gt FRC DFT E PRESS ENTER t TEST COMPLETE NOTES Forced Defrost 1 System must be running with demand from the thermostat 2 FRC DFT TEST can be initiated in heat mode only Press ENTER to begin forced defrost Execute Forced Defrost following Forced Defrost Defrost terminates on Coil Tem
23. rench into the stem and back out counterclockwise until valve stem just touches the rolled edge approximately five 5 turns Replace the valve cap to prevent leaks Tighten finger tight plus an additional 1 6 turn Unit Side of Valve 1 4 Turn Only Counterclockwise for Full Open Position Pressure Tap Port Unit Side of Service Valve Gas Line Connection 3 16 Hex Wrench a Rolled Edge to a p E Stem 18 BC92D1 1D EN S TRANE Electrical Low Voltage Table 23 p 17defines the size and combined total maximum length of low voltage wiring from the outdoor unit to the indoor unit and to the thermostat Note The use of color coded low voltage wire is recommended to simplify connections between the outdoor unit the control and the indoor unit Note The maximum total cable length for the entire comfort control communicating system is 500 ft 18 AWG Table 23 Low Voltage Maximum Wire Length CONTROL WIRING Table 24 Low Voltage Hook up Diagrams Figure 1 Fully Communicating System Communicating Outdoor Unit Neatly bundle all low voltage wires as shown Communicating Communicating Comfort Control Indoor Unit Note 4 D Note 3 a sd i i Red Note 5 A Note 1 B Only used for Load Shed Cap off if not used In communicating mode unused terminals are non functional Do not use Terminals present will vary by indoor model D is the data line Installer to
24. rning could result in property damage severe personal injury or death Earth connection essential before connecting electrical supply Install a separate disconnect switch at the outdoor unit For high voltage connections flexible electrical conduit is recommended whenever vibration transmission may create a noise problem within the structure Table 27 High Voltage Disconnect Switch Ground the outdoor unit per national state and local code requirements 18 18 BC92D1 1D EN S TRANE Integrated Variable Speed Control Board LED Indicators 5 a 7 mm c The Status Green and i 8 g 5 0 eE mi is FAN Voltage E E E COMM Amber LEDs are te condensor pag img MM REV 0 located in the upper right a et sJan a al T region of the Control i COMM STATU PERSONALITY MODULE ohp Board T T2 Fault messages are JOHHVEOODEHD Il donnonnanmh displayed on the CDA CHARGE SOLENOID N A Phase I MONITOR TOOL ALUMINUM COVER PLATE LED S DESCRIP INDICA RATE DESCRIPTION INDICATION SOW 1 TIME PER STANDBY LED SLOW DEVICE COUNT MEDTUM 2 TIMES PER CALL FOR COMM DEVICE SECOND CAPACITY AMBER asp 5TIME PER LOSS OF STATUS FAST 5 TIMES PER POWER UP SECOND COMMUNICATION GREEN SECOND DELAY SOLIDON TEST MODE HARD INTERMITTENT LOCKOUT 18 BC92D1 1D EN 19 2 Set System Thermostat to OFF GB cooing utd Cool to 75 5m
25. select a wire color If a 3rd party condensate overflow switch is installed it should be wired in series with R to the thermostat or connected to the External Switch terminals on the AFC See External Switch wiring section in the air handler Installer s Guide Wire present only on Variable Speed Outdoor Units Note Anti oxidizing grease is supplied in the documentation package for use when making low voltage field wiring connections at the outdoor unit Apply grease to field wiring before installing wire caps to protect these connections from corrosion 18 BC92D1 1D EN 17 S TRANE Electrical High Voltage Table 25 High Voltage Power Supply A WARNING LIVE ELECTRICAL COMPONENTS Failure to follow this Warning could result in property damage severe personal injury or death Follow all electrical safety precautions when exposed to live electrical components It may be necessary to work with live electrical components during installation testing servicing and troubleshooting of this product The high voltage power supply must agree with the equipment nameplate Power wiring must comply with national state and local codes Follow instructions on unit wiring diagram located on the inside of the control box cover and in the Service Facts document included with the unit Table 26 High Voltage Disconnect Switch A WARNING HIGH LEAKAGE CURRENT Failure to follow this Wa
26. te method every 8 ft 10 18 BC92D1 1D EN E TRANE Refrigerant Line Considerations Table 13 Isolation In Wall Spaces 8 Feet Maximum Wall E Isolator EN O Line Set 8 Feet Maximum Secure Vapor Line from joists using isolators every 8 ft Secure Liquid Line directly to insulated Vapor Line using tape wire or other appropriate method every 8 ft oo0oo0oo000000 oo0oo0oo000000 Side View Table 14 Isolation Through Wall Duct Work Sealant r a Vapor Line Insulation Isolator i Line Set 0000000000000000 000000000 DO NOT hang line sets from duct work 18 BC92D1 1D EN 11 S TRANE Refrigerant Line Brazing Table 15 Braze the Refrigerant Lines 1 Remove caps or plugs Use a deburring tool to debur the pipe ends Clean both internal and external surfaces of the tubing using an emery cloth 2 Remove the pressure tap cap and valve core from each service valves 3 Purge the refrigerant lines and indoor coil with dry nitrogen 12 18 BC92D1 1D EN E TRANE Refrigerant Line Brazing Table 15 Braze the Refrigerant Lines continued Wrap a wet rag around the valve body to avoid heat damage and continue the dry nitrogen purge Braze the refrigerant lines to the service valves a For Units shipped with a field installed external drier ch
27. te that clearing Alert History will also clear Active Alerts CONFIG MENU The Configuration Menu is where System parameters and options are set and reported 1 External shut down Load Shed 2 Min Airflow 3 Blower on off delays 4 Custom Airflow 5 PFC Power Factor Correction CONTROL MENU lt The Control Menu contains a selection of unit function tests that are used to verify operation 1 FRC DFT Forced Defrost 2 EEV Test 3 Evacuation 4 Drive Diagnostic Test 5 OD Fan Test 25 S TRANE Defrost Control Heat Pump only Demand Defrost The demand defrost control measures heat pump outdoor ambient temperature with a sensor located outside the outdoor coil A second sensor located on the outdoor coil is used to measure the coil temperature The difference between the ambient and the colder coil temperature is the difference or delta T measurement This delta T measurement is representative of the operating state and relative capacity of the heat pump system By measuring the change in delta T we can determine the need for defrost The coil sensor also serves to sense outdoor coil temperature for termination of the defrost cycle Fault Identification A fault condition is indicated by the CDA connected to the control board inside the heat pump control box Defrost Enabled Demand Defrost is enabled with the following inputs to the Integrated Variable Speed Control IVSC e Outdoo
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