Carrier PHR524000K 0B1 Series Installation Instructions Manual
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Carrier PHR524000K 0B1 Series Installation Instructions Manual

15 seer 2-stage package heat pump system with r-410a
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INSTALLATION INSTRUCTIONS
15 SEER 2- -Stage Package Heat Pump System with R- -410A
IMPORTANT: Effective January 1, 2015, all split system and
packaged air conditioners must be installed pursuant to applicable
regional efficiency standards issued by the Department of Energy.
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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PHR524- -60
1 & 3 Phase
PAGE
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2- -10
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Specifications are subject to change without notice.
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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
conditions which may cause death, personal injury, or property
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.
Follow all safety codes. Wear safety glasses, protective clothing,
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and work gloves. Use quenching cloth for brazing operations.
Have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
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literature and attached to the unit. Consult local building codes, the
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current editions of the National Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the Canadian electrical
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Code CSA C22.1.
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Recognize safety information. This is the safety- -alert symbol
When you see this symbol on the unit and in instructions or
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manuals, be alert to the potential for personal injury. Understand
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these signal words; DANGER, WARNING, and CAUTION. These
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words are used with the safety- -alert symbol. DANGER identifies
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the most serious hazards which will result in severe personal injury
or death. WARNING signifies hazards which could result in
personal injury or death. CAUTION is used to identify unsafe
practices which may result in minor personal injury or product and
property damage. NOTE is used to highlight suggestions which
will result in enhanced installation, reliability, or operation.
Fig. 1 - - Unit PHR5
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Summary of Contents for Carrier PHR524000K 0B1 Series

  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS 15 SEER 2- -Stage Package Heat Pump System with R- -410A PHR524- -60 1 & 3 Phase IMPORTANT: Effective January 1, 2015, all split system and packaged air conditioners must be installed pursuant to applicable regional efficiency standards issued by the Department of Energy. NOTE: Read the entire instruction manual before starting the installation.

  • Page 2: Introduction

    Step 2 — Provide Unit Support WARNING IMPORTANT: The unit must be secured to the curb by installing screws through the bottom of the curb flange and into the unit base ELECTRICAL SHOCK HAZARD rails. When installing large base units onto the common curb, the Failure to follow this warning could result in personal screws must be installed before allowing the full weight of the unit injury or death.
  • Page 3 A180110 Fig. 2 - - PHR524- -30 Unit Dimensions 51801210406 Specifications are subject to change without notice.
  • Page 4 Fig. 3 - - PHR536- -60 Unit Dimensions 51801210406 Specifications are subject to change without notice.
  • Page 5 SMALL/COMMON CURB SMALL SUPPLY BASE UNIT LARGE BASE RETURN UNIT UNIT PLACEMENT ON COMMON CURB SMALL OR LARGE BASE UNIT LARGE CURB A180216 UNIT CATALOG (small/common (large base) SIZE NUMBER base) IN. (mm) IN. (mm) (mm) IN. (mm)* (mm) (mm) (mm) (mm) IN.

  • Page 6: Provide Clearances

    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 7: Inspection

    OPTIONAL OPTIONAL RETURN SUPPLY OPENING OPENING MAXIMUM ALLOWABLE DIFFERENCE in. (mm) 2˝ (6.35) (6.35) (6.35) (50.8mm) A07925 Fig. 6 - - Unit Leveling Tolerances INSPECTION EVAP. COIL COND. COIL A07926 Prior to initial use, and at monthly intervals, all rigging shackles, Fig.

  • Page 8: Configuring Units For Downflow (Vertical) Discharge

    ensure weather- -tight and airtight seal. When electric heat is duct size increases or decreases or performance may be affected. installed, use fireproof canvas (or similar heat resistant material) 6. Adequately insulate and weatherproof all ductwork located connector between ductwork and unit discharge connection. If outdoors.

  • Page 9: Install Electrical Connections

    Step 8 — Install Electrical Connections HIGH VOLTAGE WARNING POWER LEADS POWER (SEE UNIT WIRING SUPPLY LABEL) 3-PHASE SHOWN 1-PHASE USES ELECTRICAL SHOCK HAZARD TWO POWER EQUIP GR LEADS FIELD-SUPPLIED Failure to follow this warning could result in personal FUSED DISCONNECT injury or death.

  • Page 10: Transformer Protection

    If an accessory electric heater is installed, low voltage leads from supplemental heat, connect white and violet wires shown in Fig. 10 heater must be connected to factory supplied control leads from to second stage heat field wire. Indoor Fan Board P4 connector. Some electric heaters have four control wires (plus common wire).

  • Page 11: Pre- -Start- -Up

    PRE- -START- - UP START- - UP Step 1 — Check Cooling and Heating Control WARNING Operation Start and check the unit for proper control operation as follows: ENVIRONMENTAL, FIRE, EXPLOSION, 1. Place room thermostat SYSTEM switch or MODE control ELECTRICAL SHOCK HAZARD in OFF position.

  • Page 12: Start- -Up Adjustments

    Step 3 — Start- -Up Adjustments 6. Compare actual liquid line temperature with desired liquid line temperature. Using a tolerance of 2F (1.1C), add Complete the required procedures given in the Pre- -Start- -Up refrigerant if actual temperature is more than 2F (1.1C) section before starting the unit.

  • Page 13: Low Stage Cooling

    Interface Fan Board (IFB). (See Fig. 11 and 16.) For proper WARNING operation, the dehumidistat must open on humidity rise above the humidity set point. The unit will naturally adapt airflow to the ELECTRICAL SHOCK HAZARD external static pressure drop measured on the system. There is no need to adjust the factory installed taps.
  • Page 14 LOW COM HIGH Cut J1 shunt to enable Advanced Dehumidification HSCI MOTOR TAPS R1 D1 R7 R9 D11 D6 D4 Z2 R2 R5 R3 R6 C3 W3 W3 W2 W2 DH W3 W2 Y2 G Y1 C H K 6 1 E A 0 2 3 Shunt in A180104 dehumidification...
  • Page 15 OUTDOOR COIL INDOOR 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. 13 - - Typical Heat Pump Operation, Heating Mode OUTDOOR COIL INDOOR COIL TXV in Metering...
  • Page 16 51801210406 Specifications are subject to change without notice.
  • Page 17 51801210406 Specifications are subject to change without notice.
  • Page 18 51801210406 Specifications are subject to change without notice.
  • Page 19 51801210406 Specifications are subject to change without notice.
  • Page 20 51801210406 Specifications are subject to change without notice.
  • Page 21 A13144 Fig. 15 - - Connection Wiring Diagram without Advanced Dehumidification (AD) FIOP 208/230- -1- -60 51801210406 Specifications are subject to change without notice.
  • Page 22 A13145 Fig. 15 Cont. - - Ladder Wiring Diagram without Advanced Dehumidification (AD) FIOP 208/230- -1- -60 51801210406 Specifications are subject to change without notice.
  • Page 23 CONNECTION WIRING DIAGRAM DANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING UNIT COMPONENT ARRANGEMENT SCHEMATIC 208/230V-1-60 WHEN USED OUTDOOR FAN SECTION DR ON DB COMPRESSOR INDOOR FAN CONTROL BOX AREA SECTION SECTION SINGLE PT CONNECTION ELEC. HEAT TRAN FIELD WHEN USED EQUIP GND SUPPLY SEE HEATER...
  • Page 24 LADDER WIRING DIAGRAM DANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING DIP SWITCH SETTINGS USE COPPER CONDUCTORS ONLY EQUIP GND FIELD SUPPLY 208/230 VAC. 60 HZ. 1PH DEFAULT 30 MINUTES 60 MINUTES 90 MINUTES 120 MINUTES 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3...
  • Page 25 A13146 Fig. 17 - - Connection Wiring Diagram 208/230- -3- -60 51801210406 Specifications are subject to change without notice.
  • Page 26 A13147 Fig. 17 Cont. - - Ladder Wiring Diagram 208/230- -3- -60 51801210406 Specifications are subject to change without notice.
  • Page 27 A170012 Fig. 18 - - Cooling Charging Chart 51801210406 Specifications are subject to change without notice.

  • Page 28: Maintenance

    MAINTENANCE Air Filter IMPORTANT: Never operate the unit without a suitable air filter To ensure continuing high performance, and to minimize the in the return- -air duct system. Always replace the filter with the possibility of premature equipment failure, periodic maintenance same dimensional size and type as originally installed.

  • Page 29: Outdoor Coil, Indoor Coil, And Condensate Drain Pan

    FAN GRILLE MOTOR MOTOR SHAFT A08505 MAX DISTANCE BETWEEN TOP OF FAN GRILLE AND BOTTOM OF FAN BLADE “A” SIZE 10.0 Fig. 19 - - Fan Blade Position Inspect the drain pan and condensate drain line when inspecting the coils. Clean the drain pan and condensate drain by removing all foreign matter from the pan.

  • Page 30: Refrigerant Circuit

    After inspecting the electrical controls and wiring, replace the exists. If switch must be removed, remove and recover all system access panels (see Fig. 20). Start the unit, and observe at least one charge so that pressure gauges read 0 psi (0 Pa). Never open system complete heating cycle and one complete cooling cycle to ensure without breaking vacuum with dry nitrogen.

  • Page 31: System Information

    Step 5 — System Information readily. POE oils can absorb 15 times as much water as other oils designed for HCFC and CFC refrigerants. Take all necessary Loss of Charge Switch precautions to avoid exposure of the oil to the atmosphere. The loss of charge switch is a protective device wired into control Servicing Systems on Roofs with Synthetic Materials circuit (low voltage).
  • Page 32 Table 11 – 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 outdoor fan will not start Insufficient line voltage Determine cause and correct Incorrect or faulty wiring...
  • Page 33 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 THAT INDOOR (EVAPORATOR) AIR FILTER IS CLEAN AND IN PLACE...
  • Page 34 51801210406 Specifications are subject to change without notice.

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