background image

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

!

Summary of Contents for KSALA0201R22

Page 1: ...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...

Page 2: ...ent pressure switch to the male piggy back terminal located at tab 2 of relay 4 Install orange wire provided in isolation relay kit to one side of the relay coil Connect the other side to the O wire coming from defrost board or control board 5 Install black wire provided in isolation relay kit to oppos ite side of the relay coil Connect the other side to the C wire coming from defrost board or con...

Page 3: ... Cooling Applica tions Single and Two Stage Communicating Capable DEFROST BOARD OR CONTROL BOARD ODF OR OF2 O C ISOLATION RELAY YELLOW OR VIOLET BLUE BLACK FAN MOTOR PRESSURE SWITCH 2 1 VIOLET CONNECTOR BLACK Wire provided in Isolation Relay Kit Wires provided in Isolation Relay Kit A12593 Fig 4 Power Wiring for 208 230v Heat Pump Applications DEFROST BOARD O C ISOLATION RELAY YELLOW OR VIOLET BLU...

Page 4: ...s b At outdoor temperatures around 0_F 17 8_C fan may not run at all c At summer temperatures fan will start after 10 to 30 seconds of compressor operation and may not turn off until thermostat is satisfied d At outdoor ambient between 80_F 26 7_C and 20_F 6 7_C fan will turn on and off to maintain pressure as shown in Table 1 Table 1 Kit Usage and Cut In Cut Out Pressures KIT PART NO REFRIGERANT ...

Page 5: ... 3 4 31 13 16 27 3 16 13 1 2 35 1 4 30 5 8 15 3 16 38 5 8 34 16 7 8 42 37 3 8 18 9 16 45 7 16 40 13 16 20 1 4 Medium 31 1 4 25 1 2 20 3 8 10 1 16 9 3 8 16 5 16 11 9 16 47 3 8 28 15 16 23 13 16 11 3 4 32 5 16 27 3 16 13 1 2 35 3 4 30 5 8 15 3 16 39 1 8 34 16 7 8 42 1 2 37 3 8 18 9 16 45 15 16 40 13 16 20 1 4 Large 35 25 1 2 20 3 8 10 1 16 13 3 16 20 1 8 15 3 8 51 1 8 28 15 16 23 13 16 11 3 4 32 5 1...

Page 6: ...10 W Morris St S Indianapolis IN 46231 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No IIK KSALA0301 02 Replaces IIK KSALA301 01 Edition Date 01 15 ...

Reviews: