York F3EH090 User Manual
Installation manual, Split-system heat pumps indoor units
GENERAL
These completely assembled indoor units include a well-
insulated cabinet, a copper tube/aluminum fin coil, throw-
away filters, a centrifugal blower, a blower motor, an adjust-
able V-belt drive, a blower motor contactor and a small
holding charge of an inert gas. They also include a filter-
drier, an expansion valve and a distributor that are only used
during the cooling cycle plus a check valve to provide the
proper flow of refrigerant through the coil during both the
cooling and heating cycles.
Supplemental resistance heaters, a supply air plenum, a return
air grille and a base are available as accessories for field instal-
lation.
The units are shipped in the vertical position ready for field in-
stallation. For horizontal installation, reverse the solid bottom
panel and the return air duct flange on the front of the unit.
REFERENCE
This instruction covers the installation of the indoor unit. For in-
formation on the installation and operation of the matching out-
door unit, refer to Form 035-15410-002.
Renewal Parts:
•
Refer to Parts Manual for complete listing of replacement
parts on this equipment.
All forms referenced in this instruction may be ordered from:
Standard Register
Toll Free Tel.: 877-318-9675
Toll Free Fax: 877-379-7920
Installer should pay particular attention to the words: NOTE,
CAUTION and WARNING. Notes are intended to clarify or
make the installation easier. Cautions are given to prevent
equipment damage. Warnings are given to alert the installer
that personal injury and/or equipment damage may result if the
installation procedure is not handled properly.
INSPECTION
As soon as a unit is received, it should be inspected for possi-
ble damage during transit. If damage is evident, the extent of
the damage should be noted on the carrier's freight bill. A sepa-
MODELS F3EH090 & F4EH120
(50 and 60 Hz)
INSTALLATION
MANUAL
Supersedes: 515.41-N2Y (692)/035-09651-000
035-09651-001-A-0304
SPLIT-SYSTEM HEAT PUMPS
INDOOR UNITS
CAUTION
THIS PRODUCT MUST BE INSTALLED IN STRICT COMPLIANCE
WITH THE ENCLOSED INSTALLATION INSTRUCTIONS AND
ANY APPLICABLE LOCAL, STATE, AND NATIONAL CODES
INCLUDING, BUT NOT LIMITED TO, BUILDING, ELECTRICAL,
AND MECHANICAL CODES.
WARNING
IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION,
SERVICE OR MAINTENANCE CAN CAUSE INJURY OR
PROPERTY DAMAGE. REFER TO THIS MANUAL.
FOR
ASSISTANCE OR ADDITIONAL INFORMATION, CONSULT A
QUALIFIED INSTALLER, SERVICE AGENCY OR THE GAS
SUPPLIER.