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Installation Instructions
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400V−3Ph−50Hz
PACKAGED HEAT PUMP UNITS
TABLE OF CONTENTS
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International Comfort Products, LLC
Lewisburg, TN. 37091
PH4E Series
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09−14−10
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Table of Contents
Related Manuals for International comfort products PH4E Series
Summary of Contents for International comfort products PH4E Series
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Page 1: Table Of Contents
......START−UP CHECKLIST ......International Comfort Products, LLC 516 01 2502 02 09−14−10... -
Page 2: Safety Considerations
CAUTION FIGURE 1 PH4E PACKAGED HEAT PUMP CUT HAZARD Failure to follow this caution may result in personal injury. When removing access panels (see FIGURE 18) or performing maintenance functions inside your unit, be aware of sharp sheet metal parts and screws. Although special care is taken to reduce sharp edges to a minimum, be extremely careful when handling parts or reaching into the unit. -
Page 3: Slab Mount
Step 4 — Rig and Place Unit CAUTION Rigging and handling of this equipment can be hazardous for many reasons due to the installation location (roofs, elevated UNIT STRUCTURAL DAMAGE HAZARD structures, etc.). Failure to follow this caution may result in property Only trained, qualified crane operators and ground support staff damage should handle and install this equipment. - Page 4 FIGURE 3 MODEL SIZE 24−36 DIMENSIONS 513 01 3402 02...
- Page 5 FIGURE 4 MODEL SIZE 48 DIMENSIONS 513 01 3402 02...
- Page 6 FIGURE 5 ROOF CURB DIMENSIONS 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 supplied Roofcurb* Insulation (field supplied) Roofing material field supplied Cant strip field supplied SMALL/COMMON CURB...
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Page 7: Rigging/Lifting Of Unit
FIGURE 6 PH4E Suggested Rigging 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 8: Converting Horizontal Discharge Units To Downflow (Vertical) Discharge Units
3. Size ductwork for cooling air quantity (cfm). The minimum National Association (SMACNA) and Air Conditioning air quantity for proper electric heater operation is listed in Contractors of America (ACCA) minimum installation Table 2. Heater limit switches may trip at air quantities standards for heating and air conditioning systems. -
Page 9: Install Electrical Connections
WARNING FIGURE 8 Condensate Trap TRAP ELECTRICAL SHOCK HAZARD OUTLET Failure to follow this warning could result in personal injury or death. 1-in. (25 mm) min. The unit cabinet must have an uninterrupted, unbroken electrical ground. This ground may consist of an electrical wire connected to the unit ground 2-in. -
Page 10: Control Voltage Connections
Control Voltage Connections Accessory Electric Heaters Installation NOTE: Do not use any type of power−stealing thermostat. Unit Electric heaters may be installed with the PH4E units per control problems may result. instructions supplied with electric heater package. See unit rating plate for factory−approved electric heater kits. - Page 11 Table 1 – Physical Data − Unit PH4E UNIT SIZE PH4E24 PH4E30 PH4E36 PH4E48 NOMINAL CAPACITY (ton) (kW) 10.6 14.1 OPERATING WEIGHT (lb) (kg) 142.4 152.0 155.6 169.2 COMPRESSOR QUANTITY TYPE SCROLL COMPRESSOR REFRIGERANT R−410A METERING DEVICE ID Piston Refrigerant (R−410A) Quantity (lb) 10.0 12.0 Quantity (kg)
- Page 12 FIGURE 12 Wiring Diagram, 400−3−50 513 01 3402 02...
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Page 13: Pre−Start−Up
PRE−START−UP 5. Each unit system has 2 Schrader−type ports, one low−side Schrader fitting located on the suction line, and WARNING one high−side Schrader fitting located on the compressor discharge line. Be sure that caps on the ports are tight. FIRE, EXPLOSION, ELECTRICAL START−UP... -
Page 14: Checking & Adjusting Refrigerant Charge
charging method for evaluating the unit charge. Do not use FIGURE 13 Phase Monitor Control and LED Indicators mercury or small dial−type thermometers because they are not adequate for this type of measurement. NOTE: Allow system to operate for a minimum of 15 minutes before checking or adjusting refrigerant charge. -
Page 15: Indoor Airflow & Airflow Adjustments
Indoor Airflow and Airflow Adjustments Table 3 – Color Coding for Indoor Fan Motor Leads Black = High Speed CAUTION Blue = Med Speed (if available) Red = Low Speed UNIT OPERATION HAZARD WARNING Failure to follow this caution may result in unit damage. -
Page 16: Defrost Control
Table 5 – Filter Pressure Drop (IN. W.C.) (Pa) FILTER SIZE 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 20X20X1 0.05 0.07 0.08 0.10 0.12 0.13 0.14 0.15 — — — — — —... -
Page 17: Defrost
Defrost CAUTION The defrost control is a time/temperature control which includes a field−selectable time period (DIP switch 1 and 2 on the board) UNIT OPERATION HAZARD between defrost cycles of 30, 60, 90, or 120 minutes (factory set at 60 minutes). To initiate a forced defrost, two options are Failure to follow this caution may result in improper available depending on the status of the defrost thermostat. -
Page 18: Outdoor Coil, Indoor Coil, & Condensate Drain Pan
b. Lift wheel from housing. When handling and/or attachment. Be careful not to bend the fins. If coated with oil or cleaning blower wheel, be sure not to disturb balance grease, clean the coils with a mild detergent−and−water solution. weights (clips) on blower wheel vanes. Rinse coils with clear water, using a garden hose. -
Page 19: Refrigerant Circuit
FIGURE 17 Typical Heat Pump Operation, Cooling Mode OUTDOOR COIL INDOOR COIL TXV in Metering Position HP S Bypass LEGEND Position HPS – High Pressure Switch LCS – Loss of Charge Switch Accurater ® Metering De vice Arrow indicates direction of flo w FIGURE 18 Typical Heat Pump Operation, Heating Mode INDOOR COIL... -
Page 20: Pressure Switches
Step 8 — Pressure Switches Step 12 — Refrigerant System Pressure switches are protective devices wired into control This step covers the refrigerant system of the PH4E, including circuit (low voltage). They shut off compressor if abnormally high the compressor oil needed, servicing systems on roofs or low pressures are present in the refrigeration circuit. -
Page 21: System Information
to flow from cylinder in upright position. For cylinders equipped with a dip tube, charge R−410A units with cylinder in upright position and a commercial metering device in manifold hose. Charge refrigerant into suction−line. Step 13 — System Information Loss of Charge Switch The loss of charge switch is a protective device wired into control circuit (low voltage). - Page 22 R−410A QUICK REFERENCE GUIDE R−410A refrigerant operates at 50−70 percent higher pressures than R−22. Be sure that servicing equipment and replacement components are designed to operate with R−410A R−410A refrigerant cylinders are rose colored. Recovery cylinder service pressure rating must be 400 psig (2758 kPa), DOT 4BA400 or DOT BW400. R−410A systems should be charged with liquid refrigerant.
- Page 23 Table 7 – 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−pres- Compressor and condenser fan will not Replace component sure, loss−of−charge or low−pressure switch start.
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Page 24: Start−Up Checklist
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...