Carrier PHD4 Series Installation Instruction
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Carrier PHD4 Series Installation Instruction

Carrier PHD4 Series Installation Instruction

13.4 seer2 single-packaged heat pump system with r-410a refrigerant
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PHD4 Series K and WPH4 Series K
13.4 SEER2 Single-Packaged Heat Pump System
with R-410A Refrigerant
Single Phase 2-5 Nominal Tons (Sizes 24-60)
Three Phase 3-5 Nominal Tons (Sizes 36-60)
IMPORTANT: Effective January 1, 2023, 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

Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Identify Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Inspect Shipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Slab Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
High-Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Special Procedures for 208-V Operation . . . . . . . . . . . . . . . . . 12
Control Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Standard Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Transformer Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Accessory Electric Heaters Installation . . . . . . . . . . . . . . . . . . 12
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Pre-Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Checking and Adjusting Refrigerant Charge . . . . . . . . . . . . . . 22
Indoor Airflow and Airflow Adjustments . . . . . . . . . . . . . . . . 22
Single Cooling Fan Speed Set-up (Dehumidification feature not
used) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
22
Continuous Fan Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Demand Defrost Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Indoor Blower and Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Compressor Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Liquid Line Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
R-410A Refrigerant Charging . . . . . . . . . . . . . . . . . . . . . . . . . 31
Loss of Charge Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Check Defrost Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Start-Up Checklist. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Installation Instruction
7) . . . . . . . . . . . . . . . . . . . . . 10
Fig. 1 - Unit WPH4, PHD4

Safety Considerations

Installation and servicing of this equipment can be hazardous due to
mechanical and electrical components. Only trained and qualified
personnel should install, repair, or service this equipment.
Untrained personnel can perform basic maintenance functions such as
cleaning and replacing air filters. All other operations must be performed
by trained service personnel. When working on this equipment, observe
precautions in the literature, on tags, and on labels attached to or shipped
with the unit and other safety precautions that may apply.
Follow all safety codes. Wear safety glasses, protective clothing, 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 literature and attached to the unit.
Consult local building codes, the current editions of the National
Electrical Code (NEC) NFPA 70.
A170030
A09183

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  • Page 1: Table Of Contents

    PHD4 Series K and WPH4 Series K 13.4 SEER2 Single-Packaged Heat Pump System with R-410A Refrigerant Single Phase 2-5 Nominal Tons (Sizes 24-60) Three Phase 3-5 Nominal Tons (Sizes 36-60) Installation Instruction IMPORTANT: Effective January 1, 2023, all split system and packaged air conditioners must be installed pursuant to applicable regional efficiency standards issued by the Department of Energy.

  • Page 2: Introduction

    Receiving and Installation In Canada refer to the current editions of the Canadian Electrical Code CSA C22.1. Step 1 – Check Equipment Recognize safety information. This is the safety-alert symbol . When Identify Unit you see this symbol on the unit and in instructions or manuals, be alert to The unit model number and serial number are stamped on the unit the potential for personal injury.
  • Page 3 PHD4 Series K and WPH4 Series K: Installation Instruction draws air through the outdoor coil and discharges it through the top fan grille. Be sure that the fan discharge does not recirculate to the outdoor coil. Do not locate the unit in either a corner or under an overhead obstruction.
  • Page 4 PHD4 Series K and WPH4 Series K: Installation Instruction A221484 Fig. 2 – PHD4 24-30 Unit Dimensions Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 5 PHD4 Series K and WPH4 Series K: Installation Instruction A221486 Fig. 3 – WPH4 24-30 Unit Dimensions Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 6 PHD4 Series K and WPH4 Series K: Installation Instruction A221485 Fig. 4 – PHD4 36-60 Unit Dimensions Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 7 PHD4 Series K and WPH4 Series K: Installation Instruction A221487 Fig. 5 – WPH4 36-60 Unit Dimensions Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 8 PHD4 Series K and WPH4 Series K: Installation Instruction A180216 Fig. 6 – Roof Curb Dimensions B (small/common B (large UNIT CATALOG base) base) SIZE NUMBER IN. (mm) IN. (mm) IN. (mm) IN. (mm) (mm) IN. (mm) IN. (mm) (mm)

  • Page 9: Inspection

    PHD4 Series K and WPH4 Series K: Installation Instruction A09051 RIGGING WEIGHTS (SMALL CABINET) RIGGING WEIGHTS (LARGE CABINET) Unit Unit Rigging Weight 155.6 170.6 Rigging Weight 190.6 199.6 199.6 231.4 NOTE: See dimensional drawing for corner weight distribution. Fig. 7 – Rigging Weights Step 4 –...

  • Page 10: Rigging/Lifting Of Unit (See Fig. 7)

    PHD4 Series K and WPH4 Series K: Installation Instruction Rigging/Lifting of Unit (See Fig. Configuring Units for Downflow (Vertical) Discharge Lifting holes are provided in base rails as shown. WARNING 1. Attach shackles, clevis pins, and straps to the base rails of the unit.
  • Page 11 PHD4 Series K and WPH4 Series K: Installation Instruction to duct flanges. Use suitable gaskets to ensure weather-tight and If the installation requires draining the condensate water away from the airtight seal. unit, install a field-supplied 2 -in. (51mm) trap at the condensate connection to ensure proper drainage.

  • Page 12: High-Voltage Connections

    PHD4 Series K and WPH4 Series K: Installation Instruction High-Voltage Connections Special Procedures for 208-V Operation The unit must have a separate electrical service with a field-supplied, WARNING waterproof disconnect switch mounted at, or within sight from the unit. Refer to the unit rating plate, NEC and local codes for maximum...
  • Page 13 PHD4 Series K and WPH4 Series K: Installation Instruction c. ELECTRIC HEATING MODE (1.) Thermostat closes circuits R to G, R to Y and R to W/W1 or (1.) Thermostat closes circuit R to W/W1, or W2 and R to G.
  • Page 14 PHD4 Series K and WPH4 Series K: Installation Instruction A09098 Fig. 13 – Typical Installation Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 15 PHD4 Series K and WPH4 Series K: Installation Instruction A221468 Fig. 14 – Connection Wiring Schematics 208/230-1-60 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 16 PHD4 Series K and WPH4 Series K: Installation Instruction A221469 Fig. 15 – Ladder Wiring Schematics 208/230-1-60 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 17 PHD4 Series K and WPH4 Series K: Installation Instruction A221470 Fig. 16 – Connection Wiring Schematics - 208/230-3-60 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 18 PHD4 Series K and WPH4 Series K: Installation Instruction A221471 Fig. 17 – Ladder Wiring Schematics - 208/230-3-60 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 19 PHD4 Series K and WPH4 Series K: Installation Instruction A221472 Fig. 18 – Connection Wiring Diagram 460-3-60 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 20 PHD4 Series K and WPH4 Series K: Installation Instruction A221473 Fig. 19 – Ladder Wiring Diagram 460-3-60 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

  • Page 21: Pre-Start-Up

    PHD4 Series K and WPH4 Series K: Installation Instruction Pre-Start-Up FAN mode is placed in FAN ON position and shuts down when FAN MODE switch is placed in AUTO position. WARNING (2.) Thermostat: When the room temperature rises to a point that is slightly...

  • Page 22: Checking And Adjusting Refrigerant Charge

    PHD4 Series K and WPH4 Series K: Installation Instruction reversed to correct rotation. When turning backwards, the difference is more than 2°F (1.1°C) lower than required liquid line between compressor suction and discharge pressures may be near zero. temperature. Checking and Adjusting Refrigerant Charge NOTE: If the problem causing the inaccurate readings is a refrigerant leak, refer to Check for Refrigerant Leaks section.

  • Page 23: Single Speed Cooling With Higher Electric Heat Speed

    PHD4 Series K and WPH4 Series K: Installation Instruction must open the control circuit on humidity rise above the 3. Select speed tap from Table 4 that will achieve required airflow dehumidification set point. from Table 1. Using Fig. 21, move the two pin DEHUM jumper from the “STD”...

  • Page 24: Demand Defrost Mode

    PHD4 Series K and WPH4 Series K: Installation Instruction HIGH R13 C8 AB A15 D5 D3 R3 R5 R6 R W2 Y W3 W3 W2 W2 C SSTZ-8 A09059 Fig. 21 – Interface Fan Board (IFB) C03012 Fig. 22 – Typical Heat Pump Operation, Heating Mode Step 3 –...
  • Page 25 PHD4 Series K and WPH4 Series K: Installation Instruction Table 4 – Dry Coil Air Delivery* - Horizontal and Downflow Discharge Sizes 24-60 ESP (in. W.C.) Unit Size Motor Speed Blue 0.09 0.07 0.06 Pink Med-Low 0.11 0.12 0.12 0.13 0.13...
  • Page 26 PHD4 Series K and WPH4 Series K: Installation Instruction Table 5 – Filter Pressure Drop Table (IN. W.C.) 1200-1800CFM 3.0, 16x24x1+14x24x1 3.5, 0.04 0.05 0.06 0.07 0.08 0.09 0.09 0.10 0.11 0.12 0.12 (406x610x25+356x610x25) 1500-2200CFM 16x24x1+18x24x1 0.04 0.06 0.08 0.10 0.11 0.13 0.14 0.15 (406x610x25+457x610x25) Table 6 –...

  • Page 27: Maintenance

    PHD4 Series K and WPH4 Series K: Installation Instruction Maintenance Indoor Blower and Motor NOTE: All motors are pre-lubricated. Do not attempt to lubricate these To ensure continuing high performance, and to minimize the possibility motors. of premature equipment failure, periodic maintenance must be NOTE: 460 volt units have a stepdown autotransformer that supplies performed on this equipment.
  • Page 28 PHD4 Series K and WPH4 Series K: Installation Instruction Superheat charging table is derived from optimum performance point. (95_F [35_C] outdoor ambient and (80_F [27_C] dry bulb; 67_F [19_C] wet bulb indoor condition.) Where a dash(--) appears do not attempt to check charge or charge unit under these conditions using the superheat method. (Weigh in method should be used.) A150625 To properly check or adjust charge, conditions must be favorable for subcooling charging.
  • Page 29 PHD4 Series K and WPH4 Series K: Installation Instruction Step 2 – Outdoor Coil, Indoor Coil, and Condensate Step 6 – Indoor Airflow Drain Pan The heating and/or cooling airflow does not require checking unless improper performance is suspected. If a problem exists, be sure that all...

  • Page 30: Refrigerant

    PHD4 Series K and WPH4 Series K: Installation Instruction FAN GRILLE MOTOR MOTOR SHAFT A08505 MAX DISTANCE BETWEEN TOP OF FAN GRILLE AND BOTTOM OF FAN BLADE “A” Size Fig. 26 – Fan Blade Position Step 9 – Loss of Charge Switch...

  • Page 31: Servicing Systems On Roofs With Synthetic Materials

    PHD4 Series K and WPH4 Series K: Installation Instruction hygroscopic, meaning it absorbs water readily. POE oils can absorb 15 times as much water as other oils designed to HCFC and CFC refrigerants. Take all necessary precautions to avoid exposure of the oil to the atmosphere.

  • Page 32: Loss Of Charge Switch

    PHD4 Series K and WPH4 Series K: Installation Instruction Step 13 – System Information FEEDER TUBE Loss of Charge Switch The loss of charge switch is a protective device wired into control circuit STUB TUBE (low voltage). It shuts off the compressor if abnormally low pressures are present in the refrigeration circuit.
  • Page 33 PHD4 Series K and WPH4 Series K: Installation Instruction Table 9 – 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.
  • Page 34 PHD4 Series K and WPH4 Series K: Installation Instruction 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)

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