900590-UIM-B-0613
HD SERIES HORIZONTAL DUCT COILS FOR
COOLING/HEAT PUMPS
FIELD INSTALLED TXV - FLEX COILS
MODELS: HD
ISO 9001
Certified Quality
Management System
INSTALLATION MANUAL
LIST OF SECTIONS
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
COIL METERING DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
DUCT CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CONDENSATE DRAIN CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . 4
REFRIGERANT LINE CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . .4
COIL CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
AIR SYSTEM ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
INSTALLATION VERIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
LIST OF FIGURES
Component Location - HD Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Coil - HD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Proper Bulb Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Horizontal Coil Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Drain Pan Extension Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Pressure Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
TXV Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Drain Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
LIST OF TABLES
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Coil Air Flow Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Air Flow Data - Static Pressure Drop . . . . . . . . . . . . . . . . . . . . . . . . . .4
SECTION I: SAFETY
This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal
injury.
Understand and pay particular attention to the signal words
DANGER
,
WARNING
, or
CAUTION
.
DANGER
indicates an
imminently
hazardous situation, which, if not
avoided,
will result in death or serious injury
.
WARNING
indicates a
potentially
hazardous situation, which, if not
avoided,
could result in death or serious injury
.
CAUTION
indicated a potentially hazardous situation, which, if not
avoided may result in minor or moderate injury. It is also used to alert
against unsafe practices and hazards involving only property damage.
SECTION II: GENERAL INFORMATION
This instruction covers the installation of the following coils with 80+ or
90+ AFUE furnaces or MA/MX/MV air moving systems.
The coils have sweat connect fittings. All coils are shipped with a low
psi nitrogen holding charge.
Improper installation may create a condition where the operation of
the product could cause personal injury or property damage.
Improper installation, adjustment, alteration, service or maintenance
can cause injury or property damage. Refer to this manual for assis-
tance or additional information, consult a qualified installer or service
agency.
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.
The furnace area must not be used as a broom closet or for any other
storage purposes, as a fire hazard may be created. Never store items
such as the following on, near or in contact with the furnace.
1. Spray or aerosol cans, rags, brooms, dust mops, vacuum
cleaners or other cleaning tools.
2. Soap powders, bleaches, waxes or other Cleaning com-
pounds; plastic items or containers; gasoline, kerosene, ciga-
rette lighter fluid, dry cleaning fluids or other volatile fluid.
3. Paint thinners and other painting compounds.
4. Paper bags, boxes or other paper products
Never operate the furnace with the blower door removed. To do so
could result in serious personal injury and/or equipment damage.
FIGURE 1:
Component Location - HD Coil
COIL
TXV - BULB
TXV
