Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
2
INTRODUCTION
Use this instruction manual to install EAM5X or W5AM indoor coil on
multipoise furnaces. The coil is enclosed in a casing.
Inspect Equipment
Inspect equipment for damage prior to installation. File claim with
shipping company if shipment is damaged or incomplete. Locate the
rating plate attached to the coil assembly. Check the rating plate model
number and the AHRI Directory to ensure outdoor and indoor units are
properly matched and meet job specifications.
Select Installation
See Table 1 for dimensions. Note instructions for placement of the coil
casing on the furnace.
INSTALLATION OF COIL
NOTE: Consult the furnace installation instructions for any special
requirements when installing the coil to the furnace.
Upflow Coil Installation
The cased coil is designed to fit furnaces of the same width.
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Before installing, modifying or servicing system, always turn off main
power to system. There may be more than one disconnect switch. Lock
out and tag switch with a suitable warning label.
CAUTION
!
HOT TUBE WARNING
Failure to follow this caution could result in personal injury and/or
property damage.
Refrigerant lines can reach or exceed 130 °F (54 °C). Avoid contact
with the vapor header or vapor line, especially in Heating Mode. Do not
service A2L refrigerant furnace coils while these components are hot to
avoid risk of ignition source.
WARNING
!
PERSONAL INJURY HAZARD
Failure to follow this caution may result in personal injury.
This coil contains Nitrogen precharge of 7 – 10 PSIG. Release this
pressure through the center of the rubber plugs before removing plugs.
WARNING
!
EXPLOSION HAZARD
Failure to follow this warning could result in
death, serious personal injury, and/or property
damage.
Never use air or gases containing oxygen for leak
testing or operating refrigerant compressors.
Pressurized mixtures of air or gases containing
oxygen can cause an explosion.
CAUTION
!
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and wear
appropriate protective clothing and gloves when handling parts.
CAUTION
!
UNIT OR PROPERTY DAMAGE HAZARD
Failure to follow this caution may result in property damage.
Make sure that Aluminum tubes do not come in direct contact or allow
for condensate run off with a dissimilar metal. Dissimilar metals can
cause galvanic corrosion and possible premature failure.
WARNING
!
PROPERTY OR PERSONAL INJURY
HAZARD
Risk of fire. Flammable refrigerant used.
To be repaired only by trained service personnel. Do
not puncture refrigerant tubing.
Auxiliary devices which may be ignition sources shall
not be installed in the ductwork, other than auxiliary devices listed for
use with the specific appliance. See instructions.
Dispose of refrigerant properly in accordance with federal or local
regulations.
Table 1 – Coil Information
Model Number
Size
(Ton)
Flush Fit to
Furnace
Width (in.)
Stub Out Tube
Size, in.
Liquid Suction
EAM5X19M17 1-1/2 17-1/2 3/8 5/8
EAM5X24M14 / W5AM24M14 2 14-3/16 3/8 5/8
EAM5X24M17 / W5AM24M17 2 17-1/2 3/8 5/8
EAM5X25M17 / W5AM25M17 2 17-1/2 3/8 5/8
EAM5X30M14 / W5AM30M14 2-1/2 14-3/16 3/8 3/4
EAM5X30M17 / W5AM30M17 2-1/2 17-1/2 3/8 3/4
EAM5X36M17 / W5AM36M17 3 17-1/2 3/8 3/4
EAM5X36M21 3 21 3/8 3/4
EAM5X37M17 / W5AM37M17 3 17-1/2 3/8 3/4
EAM5X37M21 3 21 3/8 3/4
EAM5X42M21 / W5AM42M21 3.5 21 3/8 7/8
EAM5X42M24 3.5 24-1/2 3/8 7/8
EAM5X43M21 / W5AM43M21 3.5 21 3/8 7/8
EAM5X48M21 / W5AM48M21 4 21 3/8 7/8
EAM5X48M24 4 24-1/2 3/8 7/8
EAM5X60M24 / W5AM60M24 5 24-1/2 3/8 7/8
EAM5X61M21 / W5AM61M21 5 21 3/8 7/8
EAM5X61M24 / W5AM61M24 5 24-1/2 3/8 7/8
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