CNPFU
CNRFU
Installation Instructions
Manufactured Housing
Evaporator Coils
NOTE
: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS
1
. . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure 1 -- Inspect Equipment
1
. . . . . . . . . . . . . . . . . . .
Procedure 2 -- Install Coil
1
. . . . . . . . . . . . . . . . . . . . . . . . .
Procedure 3 -- Connect Refrigerant Tubing
2
. . . . . . . . . . . .
Procedure 4 -- Install Condensate Drain
2
. . . . . . . . . . . . . . .
START--UP
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure 1 -- Mechanical Connection Repair
3
. . . . . . . . . .
Procedure 2 -- Reconnecting Refrigerant Tubing
3
. . . . . . . .
SAFETY CONSIDERATIONS
Improper
installation,
adjustment,
alteration,
service,
maintenance, or use can cause explosion, fire, electrical shock, or
other conditions which may cause personal injury or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory--authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves. Use
quenching cloth for brazing operations. Have fire extinguisher
available. Read these instructions thoroughly and follow all
warning or cautions attached to the unit. Consult local building
codes and National Electrical Code (NEC) for special
requirements.
Recognize safety information. This is the safety--alert symbol
. When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal word DANGER, WARNING, or
CAUTION. These words are used with the safety--alert symbol.
DANGER identifies the most serious hazards which
will
result in
severe personal injury or death. WARNING signifies a hazard
which
could
result in personal injury or death. CAUTION is used
to identify unsafe practices which
may
result in minor personal
injury or product and property damage. NOTE is used to
highlight suggestions that
will
result in enhanced installation,
reliability, or operation.
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal
injury or death.
Before installing or servicing system, always turn off main
power to system. There may be more than one disconnect
switch. Turn off accessory heater power if applicable.
!
WARNING
PERSONAL INJURY HAZARD
Failure to follow this caution may result in personal injury.
This coil contains nitrogen precharge of up to 15 PSI.
Release of this pressure through the center of the rubber
plug is required before removing the plugs.
CAUTION
!
IMPORTANT
: Nitrogen can leak out through the hole that the
needle pierced in the plugs. This does not indicate a leaking coil
nor warrant return of the coil.
INTRODUCTION
The CNPFU/CNRFU coils are designed to be used within a gas
or electric downflow furnace certified for use in manufactured
homes (mobile homes).
The CNPFU/CNRFU coils are for use on the outlet (supply) side
of the furnace only. This reduces condensate formation in the
furnace heat exchanger during the cooling cycle.
INSTALLATION
PROCEDURE 1 — INSPECT EQUIPMENT
File claim with shipper if shipment is damaged.
PROCEDURE 2 — INSTALL COIL
1. Disconnect power to furnace.
2. Remove furnace front access doors.
3. Remove furnace inner sheet metal shield.
4. Remove knockouts from furnace cabinet and inner shield.
