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KIT PART NO.
REFRIGERANT
KSALA0201R22
R--- 22
KSALA0301410
R--- 410A
SERVICE FITTING CAP
VALVE CORE END
ADAPTER TEE
FLARE NUT
LIQUID REFRIGERANT SERVICE
VALVE SERVICE FITTING
Fig. 1 — Low- -Ambient Pressure Switch
REQUIRED CHANGES FOR COOLING UNITS AND
HEAT PUMP UNITS
1. Crankcase heaters are required on all applications where
low- -ambient controls are used.
2. Start capacitor and relay (hard start) kits are required on all
single- -phase applications where low- -ambient controls are
used.
3. Evaporator freeze thermostat KAAFT0101AAA
required on all applications where low- -ambient controls
are used.
4. Wind baffles are required for temperatures below 0_F or
where there is substantial wind.
NOTE: When wind baffles are used, raising unit off of pad a
minimum of 4 in. is required to provide better airflow for
moderate- - and
high- -ambient temperatures. Check pre- -sale
literature for available support feet or unit risers.
CAUTION
!
CUT HAZARD
Failure to follow this caution could result in personal
injury.
To reduce risk of personal injury, wear personal protective
equipment when working with wind baffles. Only
experienced technicians should fabricate and install wind
baffles.
5. For cooling applications only, winter start control
KAAWS0101AAA must be used where low- -pressure
switch tripping may be encountered. Winter start control
must be wired in parallel with low- -pressure switch. This
allows a delay of 3 minutes before low- -pressure switch
becomes part of control circuit. (See Fig. 5.)
Table 1—Kit Usage and Cut In/Cut Out Pressures
PRESSURE SWITCH CLOSES
(PSIG)
225
365
FLARE NUT
ON PRESSURE
SWITCH
EXTENDER TUBE
A00025
is
PRESSURE SWITCH OPENS
(PSIG)
100
200
CONNECTOR
CONTACTOR
BLUE
PRESSURE
SWITCH
Fig. 2 — Power Wiring for All Voltages of
Cooling Applications
OF2
DEFROST
BOARD
O
C
ISOLATION
RELAY
Fig. 3 — Power Wiring for 208/230v Heat Pump
Applications
1
3
OUTDOOR
FAN RELAY
DEFROST
BOARD
O
C
ISOLATION
RELAY
Fig. 4 — Power Wiring for 460v Heat Pump Applications
2
WIRE COLORS
Blue and Yellow
Blue and Violet
BLACK
FAN
MOTOR
YELLOW
OR
VIOLET
A97326
PRESSURE
SWITCH
BLUE
YELLOW
OR VIOLET
BLACK
FAN
MOTOR
A97327
PRESSURE
SWITCH
BLUE
YELLOW
OR VIOLET
BLACK
FAN
MOTOR
A97328
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