Table of Contents
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INSTALLATION
INSTRUCTION
CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
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V
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SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
GROUND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ROOF INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
UNIT PLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
DISCHARGE LINE FILTER-DRIER. . . . . . . . . . . . . . . . . . . . . . 4
PIPING CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PRECAUTIONS DURING LINE INSTALLATION . . . . . . . . . . . 4
PRECAUTIONS DURING BRAZING OF LINES . . . . . . . . . . . . 5
PRECAUTIONS DURING BRAZING ANGLE VALVE . . . . . . . . 5
ORIFICE SELECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
GENERAL INFORMATION & GROUNDING. . . . . . . . . . . . . . . 7
POWER WIRING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ACCESSORY WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
THERMOSTAT MOUNTING / WIRING . . . . . . . . . . . . . . . . . . . 7
EVACUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SYSTEM CHARGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
REFRIGERANT LINE CHARGES . . . . . . . . . . . . . . . . . . . . . . . . . 9
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SYSTEM START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
ENERGIZE CRANKCASE HEATER . . . . . . . . . . . . . . . . . . . . . 9
SYSTEM OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SUPPLEMENTAL ELECTRIC HEAT . . . . . . . . . . . . . . . . . . . . 11
FOSSIL FUEL OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . 11
DEFROST CYCLE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
INDICATIONS OF PROPER OPERATION . . . . . . . . . . . . . . . . . 12
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
HEATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
NOTICE TO OWNER: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
NOTES: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
CAUTION:READ ALL SAFETY GUIDES BEFORE
YOU BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
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STELLAR
OUTDOOR
SPLIT-SYSTEM HEAT-PUMP
MODELS:
12 SEER
035-14578-000 REV A (1299)
E4FH018 - 60
Form 515.28-N3Y (1299)
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Related Manuals for York E4FH018
Summary of Contents for York E4FH018
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Page 1: Table Of Contents
MODELS: 12 SEER E4FH018 - 60 INDICATIONS OF PROPER OPERATION ....12 COOLING ........12 HEATING. -
Page 2: General
515.28-N3Y GENERAL The outdoor units are designed to be connected to a match- ing indoor coil with sweat connect lines. Sweat connect units are factory charged with refrigerant for a matching indoor coil This product must be installed in strict compliance plus 15 feet of field supplied lines. -
Page 3: Unit Installation
515.28-N3Y WEATHERPROOF THERMOSTAT BLOWER DISCONNECT 48” OVERHEAD MOTOR SWITCH CLEARANCE TO POWER 12” REAR RELAY REQUIRED SUPPLY AND SIDES CLEARANCE NEC CLASS 1 REQUIRED WIRING Sit unit on rubber NEC CLASS 2 elevator WIRING grommets to reduce COIL noise and allow for proper drainage. -
Page 4: Unit Placement
515.28-N3Y UNIT PLACEMENT Provide a base in the pre-determined location. Remove the shipping carton and inspect for possible damage. Failure to do so or using a substitute drier or a granular type may result in damage to the equipment. Compressor tie-down bolts should remain tightened. Position the unit on the base provided. -
Page 5: Precautions During Brazing Of Lines
515.28-N3Y Use PVC piping as a conduit for all underground installa- tions as shown in Figure 4. Buried lines should be kept as short as possible to minimize the build up of liquid refrigerant in the vapor line during long periods of shut- down Dry nitrogen should always be supplied through the tubing while it is being brazed, because the tempera-... - Page 6 515.28-N3Y NOT OVERTIGHTEN (between 40 and 60 inch - lbs. maximum). NOTE: Do not use the system refrigerant in the outdoor unit to purge or leak test. Do not remove the flare caps from the service ports except when necessary for servicing the system. Do not connect manifold gauges unless trouble is suspected.
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Page 7: Orifice Selection
515.28-N3Y ORIFICE SELECTION POWER WIRING Install the proper size weatherproof disconnect switch YORKMATE FLOW CONTROL COILS outdoors and within sight of the unit. NOTE: The proper orifice must be installed in the indoor coil liq- uid connection prior to the connection of the refrigerant Run power wiring from the disconnect switch to the unit. -
Page 8: Field Wiring
515.28-N3Y FIGURE 7 : TYPICAL FIELD WIRING (AIR HANDLER / ELECTRICAL HEAT) side doors or supply air grilles. minutes. If the micron gauge indicates a steady and continu- ous rise, it’s an indication of a leak. If the gauge shows a rise, After the thermostat is mounted, route the 24-volt control wir- then levels off after a few minutes and remains fairly con- ing (NEC Class 2) from the thermostat to the indoor air han-... -
Page 9: Refrigerant Line Charges
515.28-N3Y REFRIGERANT LINE CHARGES Superheat Charging Method NOTE: Use this method only during system maintenace and The outdoor condensing unit may be connected to the indoor repair evaporator coil using field supplied refrigerant grade copper tubing that is internally clean and dry. Units should be Operate system until temperatures and pressures stabi- installed only with the tubing sizes for approved system com- lize (minimum of 10 minutes). - Page 10 515.28-N3Y FIGURE 8 : HEAT PUMP FLOW DIAGRAM door coil which is the condenser. The indoor coil is the Turn the system switch on the thermostat to the evaporator. "OFF" position and return it to the cooling position, within 5 seconds with a demand for cooling. (OR) If fan switch is in "ON"...
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Page 11: Supplemental Electric Heat
515.28-N3Y WITH POWER TO UNIT AND THERMOSTAT IN HEATING Changes the first step of supplemental heat so that POSITION it is controlled by the first stage of the thermostat along with the fan. Reversing valve is de-energized to position refrigerant circuit for heating operation. -
Page 12: Indications Of Proper Operation
515.28-N3Y FIGURE 9 : YORKGUARD "V" MODULE YORKGUARD V continuously monitors temperature sensors The outdoor fan should be running, with warm air being which measure outdoor ambient temperature and the tem- discharged from the top of the unit. perature of the refrigerant liquid at the outdoor coil. When the The indoor blower (furnace or air handler) will be operat- relationship between these temperatures reaches a value ing, discharging cool air from the ducts. -
Page 13: Notice To Owner
515.28-N3Y NOTICE TO OWNER: If lockout occurs, check the following before calling a service- man: Indoor section for dirty filter. Outdoor section for snow accumulation. Outdoor section for leaf or debris blockage. Eliminate problem, turn off the thermostat for 10 seconds and attempt start. - Page 14 515.28-N3Y Table 4: - Superheat Value OUTDOOR DB° °F INDOOR WB ° °F Evaporator Entering Air ° °F Table 5: Temperature and Pressure SUCTION PRES- SUCTION SERVICE VALVE SUPERHEAT SURE PSIG (Service Port) 61.5 64.2 67.1 70.0 73.0 76.0 79.2 82.4 Unitary Products Group...
- Page 15 515.28-N3Y Table 6: Freon 22 Saturation Properties TEMP PRESSURE TEMP PRESSURE TEMP PRESSURE TEMP PRESSURE TEMP PRESSURE °F ° F °F °F °F PSIG PSIG PSIG PSIG PSIG 76.023 101.62 132.22 168.40 210.75 77.584 103.49 134.45 171.02 213.81 79.165 105.39 136.71 173.67 216.90...
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Page 16: Notes
515.28-N3Y NOTES: Heating and Air Conditioning Unitary Products Group 5005 York Drive, Norman, Oklahoma 73069 Subject to change without notice. Printed in U.S.A. Copyright © by Unitary Products Group 1999. All rights reserved. Supersedes: 515.28 - N2Y (1196) 515.28-N3Y (1299)