258919-UIM-B-0107
HD SERIES HORIZONTAL DUCT COILS FOR
COOLING/HEAT PUMPS
Field Installed TXV - Flex Coils
HD**S3XH1
Factory Installed R-22 TXV - Coils
HD**S2AH1 & HD**S2CH1
ISO 9001
Certified Quality
Management System
INSTALLATION MANUAL
INSTALLATION MANUALINSTALLATION MANUAL
INSTALLATION MANUAL
SECTION I: SAFETY
SECTION I: SAFETYSECTION I: SAFETY
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
SECTION II: GENERAL INFORMATIONSECTION II: GENERAL INFORMATION
SECTION II: GENERAL INFORMATION
This instruction covers the installation of the following coils with 80+ or
90+ AFUE furnaces or MA/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 mainte-
nance can cause injury or property damage. Refer to this manual
for assistance 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 fur-
nace.
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
LIST OF SECTIONS
SAFETY 1
GENERAL INFORMATION 1
COIL METERING DEVICES 2
DUCT CONNECTIONS 3
CONDENSATE DRAIN CONNECTIONS 3
REFRIGERANT LINE CONNECTION 4
COIL CLEANING 4
AIR SYSTEM ADJUSTMENT 4
INSTALLATION VERIFICATION 4
LIST OF FIGURES
Component Location - HD Coil 1
Coil - HD 2
Proper Bulb Location 2
Horizontal Coil Installation 3
Drain Pan Extension Installation 3
Pressure Check 4
TXV Check List 4
Drain Traps 4
LIST OF TABLES
Dimensions 2
Entering Air Temperature Limits 2
Coil Air Flow Limits 2
Air Flow Data - Static Pressure Drop 4
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