Carrier KSALA0301410- User Manual
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Table of Contents:
- Page 2 – PROCEDURE 2—WIRING FOR HEAT PUMPS; switch to same NC terminal of isolation relay.; REQUIRED CHANGES FOR COOLING UNITS AND HEAT PUMP UNITS
- Page 3 – Fig. 4—Power Wiring for 460-v Heat Pump Applications
- Page 4 – Carrier WeatherMaker Units; BAFFLE; OUTDOOR; BAFFLE ASSEMBLY
- Page 6 – Bryant Reliant Units
- Page 8 – Carrier/Bryant Cube Units
- Page 10 – Payne Units—Models PA and PH; WIND BAFFLE
- Page 12 – SERVICE TRAINING; • Unit Familiarization
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 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 products.
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 warnings 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, in instructions, or in 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 would result in minor personal injury or product and property damage.
WARNING: Before beginning any installation or modification, be sure the main electrical disconnect is in the OFF
position. TAG THE DISCONNECT SWITCH WITH A SUITABLE WARNING LABEL. Electrical shock can cause personal injury
or death.
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. Refer to Table 1 for kit usage. This device is a long life pressure switch that maintains head
pressure by turning the fan off and on. Other accessories may be required. Refer to the Required Changes for Cooling Units and Heat Pump Units
section.
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.
INSTALLATION
The pressure switch is mounted inside the outdoor unit cabinet by using adaptor tube supplied. The adapter tee is mounted to liquid service valve
and tube is routed through 1 of the knockout holes in unit cabinet. From inside cabinet, the flare nut is attached to extender tube. (See Fig. 1.)
The pressure switch is wired in series with black or common fan lead.
PROCEDURE 1—WIRING FOR ALL VOLTAGES OF COOLING UNITS
For all voltages of cooling units, refer to Fig. 2 and wire low-ambient pressure switch as follows:
1. Disconnect black fan lead from contactor and connect this lead to yellow or violet wire from low-ambient pressure switch using connector
supplied.
2. Connect blue wire from low-ambient pressure switch to contactor terminal from which black fan lead was removed.
Table 1—Kit Usage and Cut In/Cut Out Pressures
KIT PART NO.
REFRIGERANT
PRESSURE SWITCH CLOSES
(PSIG)
PRESSURE SWITCH OPENS
(PSIG)
WIRE COLORS
KSALA0201R22
R-22
225
100
Blue and Yellow
KSALA0301410
R-410A
365
200
Blue and Violet
Installation Instructions
KSALA0201R22
KSALA0301410
Low-Ambient
Pressure Switch
Form:
AG-SALA-05
Cancels:
AG-SALA-04
Printed in U.S.A.
5-00
Catalog No.
63SA-LA2
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Summary
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