Инструкция на Компрессорно-конденсаторные блоки Carrier серии 38AU...

Текст инструкции

1. Стр. 1 Air Cooled Condensing Units

   50 Hz With PuronR (R---410A) Refrigerant Sizes 16---25 Installation, Start---Up and Service Instructions CONTENTS SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 2 Compressor Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 INSTALLATION GUIDELINES . . . . . . . . . .…

2. Стр. 2 SAFETY CONSIDERATIONS

   ! 38AUD Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or…

3. Стр. 3 Installation –

   CAUTION ! 1. Remove the existing evaporator coil or fan coil and install the replacement coil when appropriate. 2. Drain oil from low points and traps in suction line tubing (and hot gas bypass tubing if appropriate) and evaporator if they were not replaced. Removing oil from evaporator coil may…

4. Стр. 4 C10066

5. Стр. 5 Table 1A — Physical Data — 38AUD*16-25 Units — 50 Hz SI

   UNIT SIZE 38AU D*16 D*25 NOMINAL CAPACITY (kW) 52.7 70.3 OPERATING WEIGHT (kg) NOVATION™ Coil (Al Tube) 288 Round Tube/Plate Fin Coil (Cu/Al) 409 REFRIGERANT TYPE‡ R-410A Operating Charge A/B, Typical (kg)† 6.4/6.4 9.5/9.5 Shipping Charge A/B (kg) 2.7/2.7 8.6/8.6 COMPRESSOR 2...ZP83 2...ZP103 Oil…

6. Стр. 6 Table 1B — Physical Data — 38AUD*16-25 Units — 50 Hz English

   UNIT SIZE 38AU D*16 D*25 NOMINAL CAPACITY (tons) 15 20 OPERATING WEIGHTS (lb) NOVATION™ Coil (Al Tube) 633 Round Tube/Plate Fin Coil (Cu/Al) 900 REFRIGERANT TYPE‡ R-410A Operating Charge A/B, Typical (lb)† 14.0/14.0 21.0/21.0 Shipping Charge A/B (lb) 6.0/6.0 19.0/19.0 COMPRESSOR Scroll 38AUD…

7. Стр. 7

   A U D A A 0 G 9 A 0 A 0 A 0 Model Type Packaging 38AU= Carrier Condensing Unit Puronr R--- 410A Refrigerant 1 = LTL 0 = Standard Type of Coil D = Dual Circuit, A/C Scroll Compressor Electrical Options A = None C = Non-Fused Disconnect Refrigerant Options A = None B = Low Ambient Service Options 0 =…

8. Стр. 8 Step 1 — Plan for Unit Location

   Select a location for the unit and its support system (pad, rails or other) that provides for the minimum clearances required for safety. This includes the clearance to combustible surfaces, unit performance and service access below, around and above unit as specified in unit drawings. See Fig. 5.…

9. Стр. 9 IMPORTANT: Do not bury refrigerant piping

   underground. IMPORTANT: A refrigerant receiver is not provided with the unit. Do not install a receiver. PROVIDE SAFETY RELIEF — If local codes dictate an additional safety relief device, purchase locally and install locally. Installation will require the recovery of the factory shipping charge…

10. Стр. 10 Table 4 – 38AUD 15-25 Piping Recommendations (Two-Circuit Unit)

    SI NOTE: 38AUD requires TWO sets of refrigeration piping R-410A Equivalent Length m 0-12 12-23 23-34 34-46 46-57 Model Linear Length m 0--- 7.5 7.5--- 15 15--- 23 23--- 30 30--- 38 38AUD*16 Liquid Line 3/ 8 3/ 8 3/ 8 1/ 2 3/ 8 1/ 2 1/ Max Lift 7.5 Suction Line 7/ 8 7/ 8 11/8 Charge (kg) A/B 5.9 6.3…

11. Стр. 11 Generally only one hot gas bypass system will be applied

    on a two-circuit unit. Connect the hot gas bypass system to Circuit 1 (first-on/last-off, connected to the evaporator coil’s bottom circuit). 38AUD PIPING CONNECTIONS – The 38AUD’s two circuits are designated Circuit 1 and Circuit 2. Circuit 1 is controlled by the thermostat’s Y1 (or TC1) contact…

12. Стр. 12 Table 7 – Refrigerant Specialties Part Numbers

    LIQUID LINE SIZE (in.) LIQUID LINE SOLENOID VALVE (LLSV) LLSV COIL SIGHT GLASS FILTER DRIER 3/ 8 EF680033 EF680037 KM680008 KH43LG091 1/ 2 EF680035 EF680037 KM680004 KH43LG085 5/ 8 EF680036 EF680037 KM680005 KH43LG087 38AUD units require TWO sets of parts. 38AUD Select the filter driers for maximum…

13. Стр. 13 Step 7 — Complete Electrical Connections

    ! ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death. Do not use gas piping as an electrical ground. Unit cabinet must have an uninterrupted, unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur.…

14. Стр. 14

    WARNING Units Without Disconnect Option C1 FIRE HAZARD Failure to follow this warning could cause in personal injury, death and/or equipment damage. Do not connect aluminum wire between disconnect switch and condensing unit. Use only copper wire. (See Fig. 10.) 11 TB1 13 Disconnect L1 L2 L3 Units…

15. Стр. 15

    (American Wire Gage) insulated wire (35°C minimum). For 15 to 23 m (50 to 75 ft.), use no. 16 AWG insulated wire (35°C minimum). For over 23 m (75 ft.), use no. 14 AWG insulated wire (35°C minimum). All wire sizes larger than no. 18 AWG cannot be directly connected to the thermostat and will require…

16. Стр. 16 Table 8 – Electrical Data — 38AUD*16-- 25 50 Hz Units

    UNIT V-Ph-Hz VOLTAGE RANGE‡ COMPRESSOR 1 COMPRESSOR 2 OFM (ea) MIN MAX RLA LRA RLA LRA WATTS FLA FUSE SIZE 38AUD*16 400--- 3--- 12.2 101 12.2 101 325 0.7 29.6 40 38AUD*25 400--- 3--- 16.7 111 16.7 111 325 0.7 40.4 50 Legend and Notes for Table 8 LEGEND: FLA LRA MCA LRA NEC RLA Full Load Amps Locked…

17. Стр. 17 PRE-START-UP

    ! IMPORTANT: Before beginning Pre-Start-Up or Start-Up, review Start-Up Checklist at the back of this book. The Checklist assures proper start-up of a unit and provides a record of unit condition, application requirements, system information, and operation at initial start-up. UNIT DAMAGE HAZARD…

18. Стр. 18 ADVANCED SCROLL TEMPERATURE PROTECTION

    (ASTP) — A label located above the terminal box identifies Copeland Scroll compressor models that contain this technology. See Fig. 14. Advanced Scroll Temperature Protection (ASTP) is a form of internal discharge temperature protection, that unloads the scroll compressor when the internal…

19. Стр. 19 Temperature at Liquid Valve (°F)

    38AUD-16 Charging Chart Puron Circuit 1 All Condenser Fans Operating 150.00 130.00 110.00 90.00 70.00 50.00 140.00 190.00 240.00 290.00 340.00 390.00 440.00 490.00 540.00 590.00 640.00 490.00 540.00 590.00 640.00 Pressure at Liquid Valve (psig) 38AUD-16 Charging Chart Puron Circuit 2 All Condenser…

20. Стр. 20 Temperature at Liquid Valve (°F)

    38AUD-25 Charging Chart Puron Circuit 1 4 Condenser Fans Operating 120.00 110.00 100.00 90.00 80.00 70.00 60.00 50.00 40.00 30.00 140.00 190.00 240.00 290.00 340.00 390.00 440.00 490.00 390.00 440.00 490.00 38AUD Pressure at Liquid Valve (psig) Temperature at Liquid Valve (°F) 38AUD-25 Charging…

21. Стр. 21 Fig. 18 - Typical 38AUD*16 Wiring Diagram

    21 C10084

22. Стр. 22 Fig. 19 - Typical 38AUD*25 Wiring Diagram

    22 C10085

23. Стр. 23 Base Unit Controls

    Indoor (Supply) Fan The indoor fan contactor (IFC) is remotely located at the fan coil or fan section. If the thermostat fan operation is selected as Continuous, the IFC is energized and the indoor (supply) fan motor runs continuously. If the thermostat fan operation is selected as Automatic, the…

24. Стр. 24 ROUTINE SYSTEM MAINTENANCE

    These items should be part of a routine maintenance program, to be checked every month or two, until a specific schedule for each can be identified for this installation: SERVICE Refrigeration System ! Quarterly Inspection and 30 days after initial start) CAUTION EQUIPMENT DAMAGE HAZARD Failure to…

25. Стр. 25 When removing a filter drier, use a tubing cutter to cut the

    drier from the system. Do not unsweat a filter drier from the system. Heat from unsweating will release moisture and contaminants from drier into system. Field Refrigerant Access Ports — Field service access to refrigerant pressures is through the access ports located at the service valves (see Figs…

26. Стр. 26 The TRIP LED indicates either a time-delay period is

    currently active (RED LED is blinking) or the module has locked out the compressor (RED LED is on steady). A lockout condition will occur when the CADM detects a thermostat demand at input Y but there is no power at the compressor line terminals T1 or T2 or T3. This lockout can occur due to a safety…

27. Стр. 27 Table 9 – LED Status Codes

    Status LED Status LED Description Status LED Troubleshooting Information Green “POWER” Module has power Supply voltage is present at module terminals Red “TRIP” LED On Solid Thermostat demand signal Y is present, but the compressor is not running. 1. Compressor protector is open 2. Condensing unit…

28. Стр. 28 Table 10 – CADM Troubleshooting

    Miswired Module Indication Recommended Troubleshooting Action Green LED is not on, module does not power up Determine if both R and C module terminals are connected. Verify voltage in present at module’s R and C terminals. NOTE: The CADM requires a constant nominal 24VAC power supply. The wiring to…

29. Стр. 29 Condenser Fans/Motors

    Access Panel Control Box & Compressors Service Valves Fig. 22 - 38AUD Size 16 Cabinet Fig. 23 - 38AUD*16 Piping 29 C10087 C10095

30. Стр. 30 Condenser Fans/Motors

    Access Panel Control Box & Compressors Service Valves C10089 Fig. 24 - 38AUD Size 25 Cabinet CKT 1 CKT 2 HPS HPS CKT 1 LPS CKT 2 LPS Fig. 25 - 38AUD*25 Piping 30 C10090

31. Стр. 31 Fig. 26 - 38AUD*16 Compressor Assembly (Rear View)

    Fig. 27 - 38AUD*25 Compressor Assembly (Rear View) 31 C10088 C10091

32. Стр. 32 NOVATIONt Coil Cleaning and Maintenance — To

    clean the NOVATION condenser coil, chemicals are NOT to be used; only water is approved as the cleaning solution. Only clean potable water is authorized for cleaning NOVATION condensers. Clean the coil as follows: 38AUD 1. Turn off unit power. 2. Remove screws holding rear corner posts and top cover…

33. Стр. 33 S 21/2 gallon garden sprayer

    S water rinse with low velocity spray nozzle ! CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in corrosion and damage to the unit. Harsh chemicals, household bleach or acid or basic cleaners should not be used to clean outdoor or indoor coils or any kind. These cleaners can be…

34. Стр. 34 TROUBLESHOOTING

    PROBLEM SOLUTION COMPRESSOR DOES NOT RUN Contactor Open 38AUD 1. Power off. 1. Restore power. 2. Fuses blown in field power circuit. 2. After finding cause and correcting, replace with correct size fuse. 3. No control power. 3. Check control transformer primary connections and circuit breaker. 4.…

35. Стр. 35 TROUBLESHOOTING (cont)

    PROBLEM SOLUTION COMPRESSOR RUNNING BUT COOLING INSUFFICIENT Suction Pressure Low 1. Refrigerant charge low. 1. Add refrigerant. 2. Head pressure low. 2. Check refrigerant charge. Check outdoor-air fan thermostat settings. 3. Air filters dirty. 3. Clean or replace filters. 4. Expansion valve power…

36. Стр. 36 APPENDIX A

    AIR CONDITIONER & HEAT PUMP WITH PURON® — QUICK REFERENCE GUIDE S POE oils absorb moisture rapidly. Do not expose oil to atmosphere. S Puron® (R-410A) refrigerant operates at 50 percent to 70 percent higher pressures than R-22. Be sure that servicing equipment and replacement components are designed…

37. Стр. 37 APPENDIX C

    Motormaster Sensor Must be positioned on Vapor Stub Motormaster Sensor 254 mm (10 in) Fig. 29 - Motormaster Sensor Location: 38AUD*16 C10093 Fig. 30 - Motormaster Sensor Location: 38AUD*25 37 C10094 38AUD MOTORMASTER SENSOR LOCATIONS

38. Стр. 38

    Printed in U.S.A. Edition Date: 01/10 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. 38 Catalog No: 38AU ---C02SI Replaces: New

39. Стр. 39 START-UP CHECKLIST

    I. PRELIMINARY INFORMATION OUTDOOR: MODEL NO. INDOOR: SERIAL NO. AIRHANDLER MANUFACTURER MODEL NO. SERIAL NO. ADDITIONAL ACCESSORIES II. PRE-START-UP OUTDOOR UNIT IS THERE ANY SHIPPING DAMAGE? (Y/N) WILL THIS DAMAGE PREVENT UNIT START-UP? (Y/N) CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT? HAS THE…

40. Стр. 40 CHECK VOLTAGE IMBALANCE

    LINE-TO-LINE VOLTS: AB V AC V (AB + AC + BC)/3 = AVERAGE VOLTAGE = BC V V MAXIMUM DEVIATION FROM AVERAGE VOLTAGE = V VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) = IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM! CALL LOCAL POWER COMPANY FOR ASSISTANCE. CHECK INDOOR UNIT…

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