Page 2 - IMPORTANT; – This Document is customer property; SERVICE; USE ONLY R-410A REFRIGERANT AND; CAUTION; WARNING
2 88-A4AC5001-1C-EN IMPORTANT – This Document is customer property and is to remain with this unit. Please return to service information pack upon completion of work. Section 1. Safety WARNING ! This information is intended for use by individuals possessing adequate backgrounds of electrical and mec...
Page 3 - Table of Contents
88-A4AC5001-1C-EN 3 Table of Contents Section 1. Safety ............................................................................................................................................................ 2Section 2. Unit Location Considerations .................................................
Page 4 - Section 2. Unit Location Considerations; Unit Dimensions and Weight; Models; Refrigerant Piping Limits; Suggested Locations for Best Reliability
4 88-A4AC5001-1C-EN Table 2.1 Section 2. Unit Location Considerations 2.1 Unit Dimensions and Weight When mounting the outdoor unit on a roof, be sure the roof will support the unit’s weight. Properly selected isolation is recommended to alleviate sound or vibration transmission to the building stru...
Page 5 - Section 3. Unit Preparation; Prepare The Unit For Installation; Section 4. Setting the Unit; Refrigerant Line and Service Valve Connection Sizes
88-A4AC5001-1C-EN 5 Section 3. Unit Preparation 3.1 Prepare The Unit For Installation STEP 1 - Check for damage and report promptly to the carrier any damage found to the unit. Section 4. Setting the Unit 4.1 Pad Installation When installing the unit on a support pad, such as a concrete slab, consid...
Page 6 - Required Refrigerant Line Length; Refrigerant Line Insulation; Section 6. Refrigerant Line Routing; Reuse Existing Refrigerant Lines
6 88-A4AC5001-1C-EN 5.3 Required Refrigerant Line Length Determine required line length and lift. You will need this later in STEP 2 of Section 14. Total Line Length = __________ Ft. Total Vertical Change (lift) = __________ Ft. Line Length 5.4 Refrigerant Line Insulation Important: The Vapor Line m...
Page 8 - Section 7. Refrigerant Line Brazing; Braze The Refrigerant Lines; surfaces of the tubing using an emery cloth.; Section 8. Refrigerant Line Leak Check
8 88-A4AC5001-1C-EN Section 7. Refrigerant Line Brazing 7.1 Braze The Refrigerant Lines STEP 1 - Remove caps or plugs. Use a deburing tool to debur the pipe ends. Clean both internal and external surfaces of the tubing using an emery cloth. STEP 2 - Remove the pressure tap cap and valve cores from b...
Page 9 - Section 9. Evacuation; Evacuate the Refrigerant Lines and Indoor Coil; Section 10. Service Valves; Open the Gas Service Valve; Do not vent refrigerant gases into the atmosphere.; Open the Liquid Service Valve; CAP; Gas Service Valve
88-A4AC5001-1C-EN 9 Section 9. Evacuation 9.1 Evacuate the Refrigerant Lines and Indoor Coil Important: Do not open the service valves until the refrigerant lines and indoor coil leak check and evacuation are complete. STEP 1 - Evacuate until the micron gauge reads no higher than 350 microns, then c...
Page 10 - Low Voltage Maximum Wire Length; WIRE SIZE; HEAT PUMP SYSTEMS
10 88-A4AC5001-1C-EN Section 11. Electrical - Low Voltage 11.1 Low Voltage Maximum Wire Length Table 11.1 defines the maximum total length of low voltage wiring from the outdoor unit, to the indoor unit, and to the thermostat. Table 11.1 24 VOLTS WIRE SIZE MAX. WIRE LENGTH 18 AWG 150 Ft. 16 AWG 225 ...
Page 11 - FAN; ODT; INDOOR UNIT; Stage AC Thermostat; High Voltage Power Supply
88-A4AC5001-1C-EN 11 AUX 1AUX 1AUX 2AUX 2 RC RH B/C O Y1 Y2 G BKW1 ODT W2 W3 ODT RS1RS1 R B/C O Y1/YIo Y/Y2 G BK W1W2 AUX 1 AUX 2 24VAC HOT COMMONSOVCOOLING FAN HEATING ODT RS B Y INDOOR UNIT OUTDOOR UNIT 2 Stage AC Thermostat Section 12. Electrical - High Voltage 12.1 High Voltage Power Supply The ...
Page 12 - High Voltage Ground; Section 14. System Charge Adjustment; Temperature Measurements; Indoor Temp
12 88-A4AC5001-1C-EN 12.3 High Voltage Ground Ground the outdoor unit per national, state, and local code requirements. Section 13. Start Up 13.1 System Start Up STEP 1 - Ensure Sections 7 through 12 have been completed. STEP 2 - Set System Thermostat to OFF. STEP 3 - Turn on disconnect(s) to apply ...
Page 13 - STEP 3; - Stabilize the system by operating for a minimum of 20 minutes.
88-A4AC5001-1C-EN 13 STEP 2 - Determine the final subcooling value using total Line Length and Lift measured in STEP 1 and the charts below. Design Subcooling Value = __________º F (from nameplate) Subcooling Correction = __________º F Final Subcooling Value = __________º F 036D Models SUBCOOL CHARG...
Page 14 - - Adjust refrigerant level to attain proper gage pressure.; Add refrigerant; if the Liquid Gage Pressure is lower than the chart value.; Recover refrigerant; if the Liquid Gage Pressure is higher than the chart value.; STEP 7; is properly charged.
14 88-A4AC5001-1C-EN 107 °F Table 14.2 8 9 10 11 12 13 14 179 182 185 188 191 195 198195 198 201 204 208 211 215211 215 218 222 225 229 232229 232 236 240 243 247 251247 251 255 259 263 267 271267 271 275 279 283 287 291287 291 296 300 304 309 313309 313 318 322 327 331 336331 336 341 346 351 355 36...
Page 15 - Fixed Orifice Superheat Charging Table; STEP 9
88-A4AC5001-1C-EN 15 107 °F PRESSURE CURVE SAMPLE Cooling @ 1450 SCFM Heating @ 1350 SCFM DI SCHARG E PRESSURE (PS IG) OUTDOOR TEMPERATURE (Degree F) SUCT IO N PRESSURE (PSI G) 110 115 120 125 130 135 140 145 150 155 160 165 170 40 60 80 100 120 200 250 300 350 400 450 500 550 40 60 80 100 120 (1) (...
Page 16 - If mortar is used, prevent mortar from coming; Section 15. Checkout Procedures; Operational And Checkout Procedures; CHECKOUT PROCEDURE; Be sure that indoor coil drain line drains freely. Pour water
16 88-A4AC5001-1C-EN 1. Leak check refrigerant lines. ........................................ [ ] 2. Properly insulate suction lines and fittings. ................... [ ] 3. Properly secure and isolate all refrigerant lines. ........... [ ] 4. Seal passages through masonry. If mortar is used, preve...
Page 17 - Section 17. Wiring Diagrams
88-A4AC5001-1C-EN 17 Section 17. Wiring Diagrams 018D - 060D Models
Page 19 - Section 18. Pressure Curves; PRESSURE CURVES (Refer below table for models)
88-A4AC5001-1C-EN 19 Section 18. Pressure Curves COOLING PERFORMANCE CAN BE CHECKED WHEN THE OUTDOOR TEMP IS ABOVE 65 DEG F. TO CHECK COOLING PERFORMANCE, SELECT THE PROPER INDOOR CFM, ALLOW PRESSURES TO STABILIZE. MEASURE INDOOR WET BULB TEMPERATURE, OUTDOOR TEMPERATURE, LIQUID AND SUCTION PRESSURE...
Page 20 - About Trane and American Standard Heating and Air Conditioning
About Trane and American Standard Heating and Air Conditioning Trane and American Standard create comfortable, energy efficient indoor environments for residential applications. For more information, please visit www.trane.com or www.americanstandardair.com The AHRI Certified mark indicates company ...