KSALA0201R22
KSALA0301410
Installation Instructions
Low-Ambient Pressure Switch
NOTE
: Read the entire instruction manual before starting the
installation.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, 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, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit.. Consult local building codes
and current editions of the National Electrical Code ( NEC ) NFPA
70. In Canada, refer to current editions of the Canadian electrical
code CSA 22.1.
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 words DANGER, WARNING, and
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 hazards
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 which
will
result in enhanced installation, reliability, or
operation.
!
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Before installing, modifying, or servicing system, main
electrical disconnect switch must be in the OFF position.
There may be more than 1 disconnect switch. Lock out and
tag switch with a suitable warning label.
INTRODUCTION
These instructions cover the installation of Low
−
Ambient Pressure
Switch Part No. KSALA0201R22 and KSALA0301410 in all
single
−
speed air conditioners or heat pumps using R
−
22 or
R
−
410A refrigerant. This kit is also acceptable for use on 2
−
stage
air conditioners or heat pumps using R
−
410A and permanent split
capacitor (PSC) fan motors.. Refer to Table 1 for kit usage.
DESCRIPTION AND USAGE
The Low
−
Ambient Pressure Switch Kit is a long
−
life pressure
switch which turns the fan on and off as shown in Table 1. It is
wired in series with black fan lead. Sleeve
−
bearing motors can be
used with this control.
Other accessories may be required. Refer to the Required Changes
for Cooling Units and Heat Pump Units section in this document
for further details.
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
!