Carrier Performance 48VR-A Installation Instructions Manual
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Carrier Performance 48VR-A Installation Instructions Manual

15 seer 2-stage packaged hybrid heat dual fuel system with puron (r-410a) refrigerant single and three phase 2-5 nominal tons (sizes 24-60)
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48VR ---A
Performancet 15 SEER 2---Stage Packaged
HYBRID HEATR Dual Fuel System with Puron
(R ---410A) Refrigerant
Single and Three Phase
2---5 Nominal Tons (Sizes 24---60)
NOTE:
Read the entire instruction manual before starting the
installation.
NOTE:
Installer: Make sure the Owner's Manual and Service
Instructions are left with the unit after installation.

TABLE OF CONTENTS

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Installation Instructions
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SAFETY CONSIDERATIONS
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Improper installation, adjustment, alteration, service maintenance,
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or use can cause explosion, fire, electrical shock, or other
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conditions which may cause death, personal injury, or property
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damage. Consult a qualified installer, service agency, or your
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distributor or branch for information or assistance. The qualified
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installer or agency must use factory- -authorized kits or accessories
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when modifying this product. Refer to the individual instructions
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packaged with the kits or accessories when installing.
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Follow all safety codes. Wear safety glasses, protective clothing,
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and work gloves. Have a fire extinguisher available. Read these
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instructions thoroughly and follow all warnings or cautions
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included in literature and attached to the unit. consult local
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building codes, the current editions of the National Fuel Gas Code
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(NFGC) NFPA 54/ANSI Z223.1, and the National Electrical Code
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(NEC) NFPA 70.
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In Canada refer to the current editions of the National Standards of
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Canada CAN/CSA- -B149.1 and .2 Natural Gas and Propane
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Installation codes, and Canadian Electrical Code CSA C22.1
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Recognize safety information. This is the safety- -alert symbol
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When you see this symbol on the unit and in instructions or manu-
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als, be alert to the potential for personal injury. Understand these
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Fig. 1 - - Unit 48VR- -A
(Low NOx Model Available)
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  • Page 1: Table Of Contents

    48VR ---A Performancet 15 SEER 2---Stage Packaged HYBRID HEATR Dual Fuel System with Puron (R ---410A) Refrigerant Single and Three Phase 2---5 Nominal Tons (Sizes 24---60) Installation Instructions NOTE: Read the entire instruction manual before starting the installation. NOTE: Installer: Make sure the Owner’s Manual and Service Instructions are left with the unit after installation.

  • Page 2: Introduction

    signal words: DANGER, WARNING, and CAUTION. These In gas heating mode, this unit is designed for a minimum words are used with the safety- -alert symbol. DANGER identifies continuous return- -air temperature of 55_F (13_C) db and a the most serious hazards which will result in severe personal injury maximum continuous return- -air temperature of 80_F (27_C) db.

  • Page 3: Slab Mount

    Do not place the unit where water, ice, or snow from an overhang WARNING or roof will damage or flood the unit. Do not install the unit on carpeting or other combustible materials. Slab- -mounted units should be at least 2 in. (51 mm) above the highest expected water UNITS/STRUCTURAL DAMAGE HAZARD and runoff levels.
  • Page 4 2. Attach shackles, clevis pins, and straps to the base rails of the unit. Be sure materials are rated to hold the weight of the unit (See Fig. 6). 3. Attach a clevis of sufficient strength in the middle of the straps.
  • Page 5 A13167 Fig. 3 - - 48VR- -A24- -30 Unit Dimensions...
  • Page 6 A13168 Fig. 4 - - 48VR- -A36- -60 Unit Dimensions...
  • Page 7 Dashed lines show cross support location for large basepan units. HVAC unit HVAC unit basepan base rails Sealing Gasket Roofcurb Anchor screw Wood nailer* Flashing field Roofcurb* supplied Insulation (field supplied) Roofing material field supplied Cant strip field supplied SMALL/COMMON CURB A09413 *Provided with roofcurb A09090...
  • Page 8 CAUTION - NOTICE TO RIGGERS PRUDENCE - AVIS AUX MANIPULATEUR ACCESS PANELS MUST BE IN PLACE WHEN RIGGING. PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION. Use top skid as spreader bar. / Utiliser la palette du haut comme barre de répartition DUCTS MINIMUM HEIGHT: 36"...
  • Page 9 Table 1 – Physical Data - - Unit 48VR- -A UNIT SIZE 24040 24060 30040 30060 36060 36090 42060 42090 NOMINAL CAPACITY (ton) 2 ---1/2 2 ---1/2 3 ---1/2 3 ---1/2 SHIPPING WEIGHT** lb. SHIPPING WEIGHT** (kg) Scroll COMPRESSORS Quantity REFRIGERANT (R --- 410A) 10.0 10.0...

  • Page 10: Connect Condensate Drain

    Table 1—Physical Data Con’t - - Unit 48VR- -A UNIT SIZE 48090 48115 48130 60090 60115 60130 NOMINAL CAPACITY (ton) SHIPPING WEIGHT lb SHIPPING WEIGHT kg Scroll COMPRESSORS Quantity REFRIGERANT (R --- 410A) 12.0 12.0 12.0 14.8 14.8 14.8 Quantity lb Quantity (kg.) REFRIGERANT METERING DEVICE TXV, Indoor TXV...

  • Page 11: Install Gas Piping

    latest revision. Refer to Provincial and local plumbing or 2. Protect all segments of piping system against physical and wastewater codes and other applicable local codes. thermal damage. Support all piping with appropriate straps, hangers, etc. Use a minimum of one hanger every 6 ft (1.8 2.

  • Page 12: Install Duct Connections

    NOTE: These panels are held in place with tabs similar to an WARNING electrical knockout. Reinstall horizontal duct covers (see Fig. 9) shipped on unit from factory. Insure openings are air and watertight. FIRE OR EXPLOSION HAZARD NOTE: The design and installation of the duct system must be in Failure to follow this warning could result in personal injury, accordance with the standards of the NFPA for installation of death and/or property damage.

  • Page 13: Install Electrical Connections

    heating and air conditioning systems. Secure all ducts to See unit wiring label (Fig. 14, 16 and 17) and Fig. 10 for reference building structure. when making high voltage connections. Proceed as follows to complete the high- -voltage connections to the unit. 7.

  • Page 14: Standard Connection

    Standard Connection “balance point”, the heat pump will not be allowed to operate (i.e. locked out), and the gas furnace will be used to satisfy the indoor Run the low- -voltage leads from the thermostat, through the inlet temperature. There are three separate concepts which are related to hole, and into unit low- -voltage splice box.

  • Page 15: Start- -Up

    Use the Start- -Up Checklist supplied at the end of this book and WARNING proceed as follows to inspect and prepare the unit for initial start- -up: 1. Remove access panels (see Fig. 20). EXPLOSION HAZARD 2. Read and follow instructions on all DANGER, WARNING, Failure to follow this warning could CAUTION, and INFORMATION labels attached to, or result in death, serious personal injury,...

  • Page 16: Check Heating Control

    IN THE U.S.A.: BURNER FLAME The input rating for altitudes above 2,000 ft (610 m) must be reduced by 4% for each 1,000 ft (305 m) above see level. BURNER For installations below 2,000 ft (610 m), refer to the unit rating plate.

  • Page 17: Check Burner Flame

    If the desired gas input is 115,000 Btuh, only a minor change in the REGULATOR COVER SCREW manifold pressure is required. PLASTIC ADJUST SCREW Observe manifold pressure(s) and proceed as follows to adjust gas ON/OFF SWITCH input(s): REGULATOR SPRING 1. Remove regulator cover screw(s) over plastic adjustment 1/2˝...
  • Page 18 Table 4 – Natural Gas Orifice Sizes and Manifold Pressure 208/230VAC Models ALTITUDE OF INSTALLATION (FT. [m] ABOVE SEA LEVEL) U.S.A.* Nameplate Input, 2001 to 0 to 2000 3001 to 4000 4001 to 5000 5001 to 6000 High Stage 3000* [0 to 610] [915 to 1219] [1220 to 1524]...
  • Page 19 A13153 Fig. 14 - - 208/230- -1- -60 Connection Wiring Diagram Gas Inputs 40, 60 90 KBtu/hr...
  • Page 20 A13154 Fig. 15 Cont. - - 208/230- -1- -60 Ladder Wiring Diagram Gas Inputs 40, 60 90 KBtu/hr...
  • Page 21 A13155 Fig. 15 - - 208/230- -1- -60 Connection Wiring Diagram Gas Inputs 115, 130 KBtu/hr...
  • Page 22 A13156 Fig. 16 Cont.- - 208/230- -1- -60 Ladder Wiring Diagram Gas Inputs 115, 130 KBtu/hr...
  • Page 23 A13157 Fig. 16 - - 208/230- -3- -60 Connection Wiring Diagram Gas Inputs 40, 60, 90 KBtu/hr...
  • Page 24 A13158 Fig. 17 Cont. - - 208/230- -3- -60 Ladder Wiring Diagram Gas Inputs 40, 60, 90 KBtu/hr...
  • Page 25 A13159 Fig. 17 - - 208/230- -3- -60 Connection Wiring Diagram Gas Inputs 115, 130...
  • Page 26 A13160 Fig. 18 Cont. - - 208/230- -3- -60 Ladder Wiring Diagram Gas Inputs 115, 130...

  • Page 27: Normal Operation

    Normal Operation Table 6 – LED Indications STATUS CODE LED INDICATION An LED (light- -emitting diode) indicator is provided on the Normal Operation integrated gas unit controller (IGC) to monitor operation. The IGC No Power or Hardware Failure is located by removing the control access panel (see Fig. 20). Limit Switch Fault 2 Flashes During normal operation, the LED is continuously on (See Table 6...

  • Page 28: Checking & Adjusting Refrigerant Charge

    Indoor Airflow and Airflow Adjustments the internal protector will shut off the compressor. The 3- -phase power leads to the unit must be reversed to correct rotation. When CAUTION turning backwards, the difference between compressor suction and discharge pressures will be minimal. Checking and Adjusting Refrigerant Charge UNIT OPERATION HAZARD The refrigerant system is fully charged with PuronR (R- -410A)

  • Page 29: Cooling Sequence Of Operation

    Using the Same Fan Speed for More than One Mode: Some fan Table 8 – Color Coding for Indoor Fan Motor Leads speeds are ideal for more than one mode of operation. It is Black = High Speed permissible to use a field- -supplied jumper wire to connect one Orange = Med --- High Speed speed tap wire to two or more speed connections on the ignition board (IGC).
  • Page 30 L2 HIGH LOW C 1 1 D 1 4 D 1 2 D 2 6 D 1 3 D 1 9 D 2 8 D 2 0 R 5 4 R 5 5 R 6 7 D 1 8 R 6 6 R 5 7 R 6 8 D 1 7...

  • Page 46: Maintenance

    MAINTENANCE 3. Inspect blower motor and wheel for cleanliness at the beginning of each heating and cooling season. Clean when To ensure continuing high performance and to minimize the necessary. For first heating and cooling season, inspect possibility of premature equipment failure, periodic maintenance blower wheel bi- -monthly to determine proper cleaning must be performed on this equipment.

  • Page 47: Induced Draft (Combustion Air) Blower

    f. Connect 5 pin plug and 4 pin plug to indoor blower 6. Remove wires connected to gas valve. Mark each wire. motor. 7. Remove the mounting screw that attaches the burner rack to g. Reinstall blower access panel (see Fig. 20). the unit base (See Fig.

  • Page 48: Outdoor Fan

    Outdoor Fan CAUTION UNIT OPERATION HAZARD Failure to follow this caution may result in damage to unit components. Keep the condenser fan free from all obstructions to ensure proper cooling operation. Never place articles on top of the unit. 1. Remove 6 screws holding outdoor grille and motor to top cover.

  • Page 49: Gas Input

    FAN GRILLE MOTOR MOTOR SHAFT A08505 MAX DISTANCE BETWEEN TOP OF FAN GRILLE AND BOTTOM OF FAN BLADE “A” SIZE Fig. 23 - - Fan Blade Position Gas Input Puron Items Metering Device (Thermostatic Expansion Valve & The gas input does not require checking unless improper heating performance is suspected.

  • Page 50: Troubleshooting

    High pressure may be caused by a dirty outdoor coil, failed fan Compressor Oil motor, or outdoor air recirculation. To check switch: The Copeland scroll compressor uses 3MAF POE oil. If additional 1. Turn off all power to unit. oil is needed, use Uniqema RL32- -3MAF. If this oil is not available, use Copeland Ultra 32 CC or Mobil Arctic EAL22 CC.
  • Page 51 Speedup Quiet Defrost interval Pins Shift DIP switches A08020 Fig. 25 - - Defrost Control...
  • Page 52 C99097 Fig. 26 - - Refrigerant Circuit INDOOR COIL OUTDOOR COIL TXV in Metering Position HP S Bypass Position LEGEND HPS – High Pressure Switch LCS – Loss of Charge Switch Accurater ® Metering De vice Arrow indicates direction of flo w C03011 Fig.
  • Page 53 INDOOR COIL OUTDOOR COIL TXV in Bypass Position HP S Metering Position LEGEND HPS – High Pressure Switch LCS – Loss of Charge Switch Accurater ® Metering De vice Arrow indicates direction of flo w C03012 Fig. 28 - - Typical Heat Pump Operation, Heating Mode...
  • Page 54 PURONR (R- -410A) QUICK REFERENCE GUIDE S Puron refrigerant operates at 50- -70 percent higher pressures than R- -22. Be sure that servicing equipment and replacement components are designed to operate with Puron S Puron refrigerant cylinders are rose colored. S Recovery cylinder service pressure rating must be 400 psig, DOT 4BA400 or DOT BW400.
  • Page 55 Table 14 – Troubleshooting Chart SYMPTOM CAUSE REMEDY Power failure Call power company Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Defective contactor, transformer, or high--pressure, Replace component loss--of--charge or low--pressure switch Compressor and condenser fan will not start. Insufficient line voltage Determine cause and correct Incorrect or faulty wiring...
  • Page 56 Table 15 – Troubleshooting Guide–Heating SYMPTOM CAUSE REMEDY Water in gas line Drain. Install drip leg. No power to furnace Check power supply fuses, wiring or circuit breaker. Check transformer. No 24--v power supply to control circuit NOTE: Some transformers have internal over--current protection that requires a cool--down period to reset.
  • Page 57 START- -UP CHECKLIST (Remove and Store in Job Files) I. PRELIMINARY INFORMATION MODEL NO.: SERIAL NO.: DATE: TECHNICIAN: II. PRESTART- -UP (Insert check mark in box as each item is completed) ( ) VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT ( ) REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS ( ) CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS ( ) CHECK GAS PIPING FOR LEAKS (WHERE APPLICABLE)
  • Page 58 Catalog No: 48VR ---01SI Copyright 2013 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 05/13 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: New...

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Performance 15 48vr-a

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