2
High Pressu
Cutout Wire
High Pressur
Cutout Wire
Low Pressure
Cutout Wire
Low Pressure
Cutout Wire
Anti Short-Cycle
Control
Anti Short-Cycle
Control
Figure 2
7. If the service valves have never been opened, proceed
to Anti Short-Cycle Control Installation. If the valves
have been opened, do not run the unit, but perform a
preliminary leak check instead on the tees and pres-
sure switches. If a leak is found, tighten the connection
slightly and recheck. Repeat until leaks are eliminated.
ANTI SHORT-CYCLE CONTROL INSTALLATION
Figure 3
1. Remove and save the control box cover from the unit.
Save the screws which held it in place.
2. In the extreme upper right corner of the control box is
a filler screw. Remove and discard.
3. Mount the anti-short cycle control “upside down” in the
filler hole (Figure 2). Ensure the control terminals are
at the bottom. Secure the control using the large screw
supplied in the kit.
WIRING
PRESSURE CUTOUT INSTALLATION
NOTE: The high and low pressure cutouts on the PCK reset
automatically. All wiring to the pressure cutouts and the anti
short-cycle control must be 24 volt.
The pressure cutouts are installed outside the unit casing.
They are weatherproof but not tamper-proof. Please in-
form the building owner before installing that tampering
with the pressure cutouts can cause refrigerant leakage
and equipment damage.
WARNING
To avoid the risk of electrical shock, injury,
or death, disconnect the electrical, power
before installing this kit.
WARNING
To avoid possible injury from refrigerant,
wear gloves and goggles while installing
this kit.
1. Remove and save the caps from the service valves
Schraeder fittings.
High Pressure
Cutout
High Pressure
Cutout
Low Pressure
Cutout
Low Pressure
Cutout
Refrigerant
Tees
Refrigerant
Tees
Figure 1
2. Install the PCK refrigerant tees onto the Schraeder
fittings (Figure 1). Torque to 10 ft/lbs to avoid refriger-
ant leaks.
3. Place a Teflon seal in the fitting for the high pressure
(blue wire) cutout. Install this cutout on the liquid line
tee. The liquid line is the smaller of the two lines.
Torque to 10 ft/lbs to avoid refrigerant leaks.
4. Place a teflon seal in the fitting for the low pressure
(yellow wire) cutout. Install this cutout on the suction
line tee. The suction line is the larger of the two lines.
Torque to 10 ft/lbs to avoid refrigerant leaks.
5. Reinstall the caps on the ends of the refrigerant tees.
Finger-tighten.
6. Insert the blue and yellow wires from the pressure
cutouts into the low voltage entrance.
COMPONENT INSTALLATION
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