York 13, 12, 10, 14 SEER User Manual

INSTALLATION

OUTDOOR SPLIT-SYSTEM

INSTRUCTION

TABLE OF CONTENTS

GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . 2

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

CHECK ELECTRICAL POWER SUPPLY . . . . . . . . . 2

SELECTING EQUIPMENT LOCATION . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 4

OUTDOOR UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

INDOOR UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

REFRIGERANT LINE (SWEAT FIT) . . . . . . . . . . . . .4

INSULATION OF VAPOR LINE . . . . . . . . . . . . . . . . 4

RE-ASSEMBLING, BRAZING AND CLEANING OF

JOINT CONNECTIONS . . . . . . . . . . . . . . . . . . . . . .5

REFRIGERANT LINE SUPPORT . . . . . . . . . . . . . . . 5

CHARGING AND LEAK TESTING . . . . . . . . . . . . . . 5

TOTAL LINE LENGTH . . . . . . . . . . . . . . . . . . . . . . .5

ORIFICE SELECTION (ON SWEAT FIT COILS) . . . 5

REFRIGERANT VALVE OPERATION . . . . . . . . . . . 6

OIL TRAPPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

SYSTEM CHARGE . . . . . . . . . . . . . . . . . . . . . . . 8

MEASUREMENT METHOD . . . . . . . . . . . . . . . . . . . 8

SUPERHEAT CHARGING METHOD . . . . . . . . . . . . 8

CHECKOUT PROCEDURE . . . . . . . . . . . . . . . . . . 10

SYSTEM OPERATION CHECKOUT . . . . . . . . . . . 10

AIR CONDITIONER

MODELS: 10, 12, 13 AND 14 SEER

1 PHASE - 1.5 TO 5 TONS

CAUTION:READ ALL SAFETY GUIDES BEFORE
YOU START TO INSTALL YOUR UNIT.

SAVE THIS MANUAL

035-13606-003 Rev. A (202)

035-13606-003 Rev. A (202)

GENERAL INFORMATION

These outdoor units are designed to be connected to a
matching UPG indoor coil with sweat connection lines. These
units are factory charged with refrigerant for a matching
indoor coil plus 15 feet of field supplied line. The outside unit
is designed to be placed alongside or at the back of the
home, remote from the indoor coil. The outdoor unit has been
factory run-tested and all components 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, com­pressors, 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 Form 50.15-NM 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 care-

fully, could result in personal injury, property damage or
equipment 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.

LIMITATIONS

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 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 perfor­mance with minimum service.

The manufacturer is not responsible for the per­formance of a mismatched system. The outdoor
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 components 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. Allowing
the coil charge to enter the refrigerant lines pre­vents excessive refrigerant pressure build-up and
possible coil damage.

Table 1: APPLICATION LIMITATIONS

Ambient Air Temperature

on Outdoor Coil

Min. °DB Max. °DB Min. Max.

50 120 57 72

Air Temperature on

Indoor Coil

CHECK ELECTRICAL POWER SUPPLY

The electrical power should be checked to determine if ade­quate power is available, and near constant voltage can be
maintained. If there is any question concerning the power
supply, contact the local power company for corrections; oth­erwise, unsatisfactory performance may result.

SELECTING EQUIPMENT LOCATION

Several important factors must be considered before select­ing the site for the outdoor unit:

• Distance to indoor coil

• Proximity to the structure

• Proximity to vents and exhaust systems

• Ability to service

• Sound transmission

• Air circulation

• Wind direction

• Relationship between structure, sun, and unit

• Distance from power source

• Water drainage

• Local codes

Locate the outdoor unit near enough to the indoor coil vicinity
to eliminate lengthy refrigerant line runs. Do not locate the
outdoor unit so it discharges air under eaves or gutters. Rain
or snow melt-off should not be able to run off a roof and down
upon the unit. Be sure vents are not located upwind from the
outdoor unit.

2 Unitary Products Group

035-13606-003 Rev. A (202)

A minimum clearance of 18 inches is required for service at
the control panel and compressor compartments access. A
10 inch clearance is required for the air inlet to the outdoor
coil around the perimeter of the unit. The air discharge of the
unit requires a 60 inch clearance between the top of the unit
and any obstruction. See Figure 1.

The length of the refrigerant tubing, between the outdoor unit
and indoor coil, should be as short as possible to avoid
capacity and efficiency loss. Excessive spacing of the out­door unit from the home can lead to the refrigerant lines
being restricted by trampling or by being punctured by lawn
mowers. Locate the outdoor unit away from bedroom win­dows or other rooms where sound might be objectionable.

Adverse effects of prevailing winds, blowing snow or sleet
onto the outdoor coil can be eliminated by placing the outdoor
unit where the wind does not blow across the unit. Trees,
shrubs, corners of buildings and fences standing off from the
coil can reduce capacity loss due to wind chill effect.

MINIMUM 24” SERVICE ACCESS
60” OVERHEAD
CLEARANCE

CLEARANCE ON ONE SIDE

Provide ample clearance from shrubs to allow adequate air to
pass across the outdoor coil without leaves or branches
being pulled into the coil.

Consideration should be given to the distance and routing of
electrical service that would have to be run to connect the
outdoor unit.

The unit must be located outdoors and must not be con­nected to duct work. It is recommended the outdoor unit be
mounted upon a solid base that will not shift or settle. Top of
base should be two inches above grade. Thought should be
given to water drainage away from the outdoor unit. Drain
holes in the base pan must be kept clear.

THERMOSTAT

WEATHERPROOF
DISCONNECT
SWITCH

TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK

NEC CLASS 1 WIRING

NEC CLASS 2 WIRING

10” CLEARANCE
COIL AREA

NOTE: ALL OUTDOOR WIRING
MUST BE WEATHERPROOF.

CONTROL ACCESS PANEL

FIGURE 1 : TYPICAL RESIDENTIAL OUTDOOR UNIT LOCATION

TO INDOOR COIL

SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT

Unitary Products Group 3

035-13606-003 Rev. A (202)

INSTALLATION

OUTDOOR UNIT

After the site has been selected, a solid base pad that will not
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. The pad
should be located far enough away from the structure so the
outdoor unit is not closer than its minimum distances. See
Figure 1. Set the outdoor unit upon the pad with care to avoid
damage..

Do not remove the protective caps or plugs from
the unit refrigerant connections until the refriger­ant lines are run and ready for final connection. If
this procedure is not observed, dirt and other par­ticles will get into the system and plug various ori­fices and small tubes.

INDOOR UNITS

Install the indoor coil in the furnace or air handler according to
the installation instructions packed with each component.

REFRIGERANT LINE (SWEAT FIT)

The following steps are very important when setting up a
refrigeration system and need to be followed completely to
insure that a strong, flexible and leak tight system is obtained.

The installation of the copper refrigerant tubing must be done
with care to obtain reliable, trouble-free operation.

1. Selection of proper refrigerant tubing grade and size.

2. Refrigerant line routing, cutting and fitting.

3. Insulating the vapor line.

4. Connecting the refrigerant lines to the indoor coil and
outdoor unit.

5. Proper preparation of joint connections.

6. Reassembling, cleaning and brazing the joint connec­tions.

7. Pressure leak test all joints.

8. Evacuate refrigerant lines and indoor coil.

9. Charging refrigeration system (If the line length is other
than 15 feet). See Table 2.

Table 2: REFRIGERANT LINE CHARGE

Use only ACR grade copper tubing and keep ends sealed
until joints are made.

The correct diameters of the refrigerant lines are listed in the
Tabular Data Sheet.

For best performance, select routing of refrigerant lines for
minimum distance and fewest number of bends.

Determine the path that the refrigerant lines will follow.

Starting at either the indoor coil or the outdoor unit refrigerant
line connections, carefully measure, cut, de-burr and fit cop­per refrigerant lines along the path previously determined.

NOTE: If it is necessary for bends to be formed in the vapor

line, the radius should not be less than 12 inches.

Cut ends of the copper tubing square.

Remove all burrs from tubing with a reamer, file or de-burring
tool.

When the indoor coil is above the outdoor unit, the vapor line
should be sloped toward the outdoor unit with a fall of at least
1/4 inch per 5 feet.

When the outdoor unit is above the indoor coil the horizontal
runs should be sloped toward the outdoor unit as described
above.

INSULATION OF VAPOR LINE

Insulate vapor line with 3/8" (or that required by local code)
closed cell insulation.

Slide tubing insulation onto the vapor line so that it is covered
completely from the indoor coil to the outdoor unit. Be sure
that the tubing is capped before sliding on insulation.

It is not necessary to insulate the liquid line, unless it is sub­ject to excess heat in an uninsulated area.

NOTE: In areas of extreme temperatures and humidity,

additional insulation may be required to prevent excessive
condensation and loss of capacity.

Do not insulate liquid line and vapor line together. Liquid line
should not be in contact with the vapor line. See Figure 2.

Tape

Liquid
Line

Incorrect

LIQUID OD VAPOR OD R-22 CHARGE, OZ/FT

3/8" 5/8" 0.66

3/8" 3/4" 0.68

3/8" 7/8" 0.70

3/8" 1-1/8" 0.76

Correct

Insulated Vapor Line

Sheet Metal Hanger

FIGURE 2 : INSULATION OF VAPOR LINE

4 Unitary Products Group