841890-UIM-B-0612
FULL-CASED MULTI-POSITION FOR
COOLING/HEAT PUMPS
MODELS: MC
FULL-CASED UPFLOW/COUNTERFLOW FOR
COOLING/HEAT PUMPS
MODELS: FC
PARTIAL-CASED UPFLOW FOR COOLING/HEAT PUMP
MODELS: PC
ISO 9001
Certified Quality
Management System
INSTALLATION MANUAL
LIST OF SECTIONS
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
COIL METERING DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
COIL INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DUCT CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CONDENSATE DRAIN CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . .7
REFRIGERANT LINE CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . .8
COIL CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
AIR SYSTEM ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
INSTALLATION VERIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
LIST OF FIGURES
Component Location - Coil MC & FC . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Component Location - Coil PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
TXV Bulb Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Proper Bulb Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Vertical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Coil Flange Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Coil Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Horizontal Right Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Horizontal Left Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Upflow Coil Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Condensate Deflector on Vertical Drain Pan . . . . . . . . . . . . . . . . . . . .7
Condensate Deflector on Horizontal Drain Pan Edge . . . . . . . . . . . . .7
S-Clip Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Pressure Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
TXV Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Drain Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Location of Trapped and Plugged Drain Connections . . . . . . . . . . . . .9
LIST OF TABLES
Dimensions - MC Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Dimensions - FC Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Dimensions - PC Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Coil Air Flow Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
ECoil Projection Dimensions - PC Coils . . . . . . . . . . . . . . . . . . . . . . . .6
Air Flow Data - Static Pressure Drop . . . . . . . . . . . . . . . . . . . . . . . . . .8
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.
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.