Load
~Line
Load
~Line
B
C
A
C
D
A
B
D
© Danfoss A/S (AC-MCI / jmn), 2012-12
DKRCC.PI.CD0.F1.22 / 520H6076
3
Wiring Option A:
– Low Pressure Control Cut Out on pressure fall
– Condenser Fan Cycling
Contact function test (Manual trip)
When the electrical leads are connected the contact function
can be manually tested regardless of pressure condition in
the system. The manual trip lever is located in the left side
of the KPU. It must be operated with fingers only. Do not use
screwdriver as it will damage the control.
Wiring Option B:
– High Pressure Control Cut Out on pressure rise
Wire dimensions: 10 AWG max.
Cable entry:
7
/
8
in. cable entry for ½ in. male pipe thread connection
(conduit boss) or similar (Pg13.5 or Pg16) screwed cable entry.
NOTE:
While operating the manual trip on KPU
controls with manual reset it is necessary
to push the reset knob.
NOTE:
Adjust the pressure control with settings specified
by the manufacturer of the controlled quipment.
Do not exceed the pressure ratings of the controlled
equipment or any of its components when checking
pressure control operation or operating the
controlled equipment.
Do not adjust pointers beyond the highest or lowest
indicator marks on the scale plate, as this may cause
inaccurate control operation.
A:
Manual trip. Press the lever up. USE FINGERS ONLy!
B:
Manual reset button
(available only for contols with manual reset function)
C:
Terminal block
D:
Grounding screw
A:
Differential adjusting screw
B:
Locking plate
C:
Range adjusting screw
D:
Cover screw
Adjustment
Before adjustment, loosen the locking plate.
For setting use the Universal Refrigeration Wrench.
