York E1RA Series Installation Instruction

York E1RA Series Installation Instruction

Outdoor split-system heat pumps 10, 12, 14 seer

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Installation INSTRUCTION

GENERAL

These outdoor heat pump units are designed to be connected
to a matching UPG indoor coil with sweat connection lines. They
are equipped with a solid core filter-drier located in the dis-
charge line, a high pressure switch, a high temperature switch
(14 SEER models only). The units are factory charged with
refrigerant for a matching indoor coil plus 15 feet of field
supplied line. The outdoor unit is designed to be placed along-
side or at the back of the home, remote from the indoor coil.
The outdoor unit has been factory run-tested and all compo-
nents of the system are ready for easy, immediate installation.

INSPECTION

Check the unit thoroughly for shipping damage. Unusually
rough handling during shipment may loosen fan motors, com-
pressors, or other components. Be sure that the unit is ready
to operate before installing it. If there is damage, file a claim
with the shipper. See Local Distributor for more information.
REFERENCE
Use this instruction in conjunction with the instructions for the
appropriate indoor unit, air moving system and accessories.
Installer should pay particular attention to the words NOTE,
CAUTION and WARNING.
NOTES are intended to clarify or make the installation easier.
CAUTIONS identify procedures which, if not followed carefully,
could result in personal injury, property damage or product
damage.
WARNINGS are given to alert the installer that severe personal
injury, death or equipment damage may result if installation
procedures are not followed properly.
Supersedes: 515.16-N3Y Coded 1097
MODELS E*RA (1 & 3 Ø), E*RC and E*RE
10, 12, 14 SEER
OUTDOOR
SPLIT-SYSTEM HEAT PUMPS
1.5 TO 5 TONS

NOMENCLATURE

E
Product Category
E = Heat Pump, Outdoor Unit
Product Generation
1 = 1st Generation
Product Identifier
RA = 10 SEER Split System Heat Pump
RC = 12 SEER Split System Heat Pump
RE = 14 SEER Split System Heat Pump
Nominal Cooling Capacity
018 = 18,000 Btuh
042 = 42,000 Btuh
024 = 24,000 Btuh
048 = 48,000 Btuh
030 = 30,000 Btuh
060 = 60,000 Btuh
036 = 36,000 Btuh
Refrigerant Line Connections
S = Sweat Connect
Voltage Code
06 = 208/230-1-60
25 = 208/230-3-60
46 = 460-3-60

LIMITATIONS

CAUTION: The manufacturer is not responsible for the
performance of a mismatched system. The out-
door unit must be installed with a compatible
indoor unit as designated in the specification
data or in the Directory of Certified Unitary Heat
Pumps published by the Air Conditioning and
Refrigeration Institute. Using unmatched com-
ponents may not only affect the performance of
the system, but may also void the warranty of
the equipment.
Do not install any coil in a furnace which is to
be operated during the heating season without
attaching the refrigerant lines to the coil. Allow-
ing the coil charge to enter the refrigerant lines
prevents excessive refrigerant pressure build-
up and possible coil damage.
The unit should be installed in accordance with all national and
local codes and regulations which govern the installation of this
type of equipment. In lieu of local codes, the equipment should
be installed in accordance with the National Electric Code, and
in accordance with the recommendations made by the National
Board of Fire Underwriters.
Limitations for the indoor unit, coil and appropriate accessories
must also be observed.
The outdoor unit must not be installed with any duct work in the air
stream. The outdoor fan is the propeller type and is not designed
to operate against any additional external static pressure.
The maximum and minimum conditions for operation must be
observed to assure a system that will give maximum perform-
ance with minimum service.
515.16-N3Y (298)
035-15754
1
RA
036
S
06

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Summary of Contents for York E1RA Series

  • Page 1 OUTDOOR SPLIT-SYSTEM HEAT PUMPS 1.5 TO 5 TONS INSTALLATION INSTRUCTION Supersedes: 515.16-N3Y Coded 1097 515.16-N3Y (298) 035-15754 MODELS E*RA (1 & 3 Ø), E*RC and E*RE 10, 12, 14 SEER NOMENCLATURE Product Category E = Heat Pump, Outdoor Unit Product Generation 1 = 1st Generation Product Identifier RA = 10 SEER Split System Heat Pump...
  • Page 2 515.16-N3Y A minimum clearance of 18 inches is required for service at the TABLE 1 - APPLICATION LIMITATIONS control panel and compressor compartment access. A 10 inch AMBIENT AIR TEMPERATURE AIR TEMPERATURE clearance is required for the air inlet to the outdoor coil around ON OUTDOOR COIL ON INDOOR COIL the perimeter of the unit.
  • Page 3 515.16-N3Y INSTALLATION INDOOR UNITS OUTDOOR UNIT Install the indoor coil on the furnace or air handler according to After the site has been selected, a solid base pad that will not the installation instructions packed with each component. shift or settle should be provided. The base pad should not come in contact with the foundation or side of the structure because sound may be transmitted to the residence.
  • Page 4 515.16-N3Y CAUTION: Avoid getting the refrigerant in the eyes or on the skin. Contaminated refrigerant must be recovered and returned to the local refrigeration supply house for proper disposition. TOTAL LINE LENGTH For systems with total line length exceeding 50 feet, see APPLICATION DATA, 690.01-AD1V (1296) and worksheet 690.01-AD1.1V(791) "General Piping Recommendations and Refrigerant Line Length"...
  • Page 5 515.16-N3Y CAUTION: If the valve stem is backed out beyond the retaining the wiring diagram inside the unit control box cover before ring, system pressure could force the stem out of connecting to power supply. the valve body and possibly cause personal injury. In the event that the retaining ring is missing do not 1.
  • Page 6 515.16-N3Y CRANKCASE CONTACTOR HEATER SWITCH DEFROST CONTROL BOARD DUAL RUN/FAN CAPACITOR MOTOR PLUG GROUND “FINGERED” BUSHING LOW VOLTAGE BOX ADJUSTABLE HIGH VOLTAGE CONDUIT PLATE FIGURE 4 - OUTDOOR UNIT CONTROL BOX — SINGLE PHASE — (10 & 12 SEER) START RELAY DEFROST CONTROL...
  • Page 7 515.16-N3Y FIGURE 6 - OUTDOOR UNIT CONTROL BOX — THREE PHASE — 10 SEER (036 and 048 Models) FIGURE 7 - OUTDOOR UNIT CONTROL BOX — THREE PHASE — 10 SEER (060 Model) Unitary Products Group...
  • Page 8 515.16-N3Y — SINGLE PHASE — 10, 12, & 14 SEER HEAT PUMPS MODELS FIGURE 8 - TYPICAL LOW VOLTAGE FIELD WIRING AIR HANDLERS / ELECTRIC HEAT FIGURE 9 - TYPICAL LOW VOLTAGE FIELD WIRING — THREE PHASE — 10 SEER HEAT PUMPS MODELS AIR HANDLER/ELECTRIC HEAT Unitary Products Group...
  • Page 9: Sequence Of Operation

    515.16-N3Y FIGURE 10 - TIME/TEMPERATURE DEFROST (10 & FIGURE 11 - DEMAND DEFROST (14 SEER) 12 SEER Single Phase) and (10 SEER, Three Phase) SEQUENCE OF OPERATION 4. Indoor blower will operate on demand for heat and cycle off COOLING with the last heater element when in “AUTO”...
  • Page 10 515.16-N3Y The electronic timer and the defrost cycle will start only when must be held for at least 10 seconds). When the short is the contactor is energized and the defrost thermostat is closed. removed, the heat pump will remain in defrost until the The defrost thermostat is closed when the liquid temperature defrost thermostat opens or 10 minutes expires.
  • Page 11 515.16-N3Y FIELD CONNECTED LINE INDOOR COIL OUTDOOR COIL 4-WAY REVERSING VALVE* SUCTION COMPRESSOR ACCUMULATOR BI-FLOW TXV/ CHECK VALVE** LIQUID SENSOR FIELD CONNECTED LINE CHECK VALVE COOLING CYCLE FLOW **NOTE: The indoor coil is shipped with an orifice. HEATING CYCLE FLOW The orifice must be replaced with a TXV kit.
  • Page 12 Unitary Products Group P .O. Box 1592, York, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in U.S.A. 515.16-N3Y (298) Copyright © by York International Corporation 1998. All Rights Reserved. Code: SBY...

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E3ra seriesE*rc seriesE*re series

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