KP15,17W,17B25.pdf

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Instructions
Pressure Controls
KP 15, KP 17W, KP 17B, KP 25
Types
The controls can be used with CFC, HFC, HCFC refrigerants.
CAUTION: Do not install these controls on
ammonia systems
KP 15 man. (LP) / man. (HP) reset
KP 15, KP 17B auto. (LP) / man. (HP) reset
KP 15, KP 17W, KP 25 auto. (LP) / auto (HP) reset
Ambient temperatures
Test pressure (p TEST )
p test max.
505 psig
(35 bar p e )
p test max.
285 psig
(20 bar p e )
t 1 min. KP 15, KP 25:
–40°F (–40°C)
KP 17W, KP 17B:
–13°F (–25°C)
t 1 max.
150°F (65°C)
CAUTION: Do not mount the control in a position where dirt, sediment,
or oil will aff ect the operation of the control.
Enclosure
CAUTION: The mounting panel must be plane to avoid damage of control.
©Danfoss A/S
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Connections
Wiring
CAUTION: Disconnect power supply before
wiring connections are made to avoid possible
electrical shock or damage to equipment.
All wiring should conform to the National
Electrical Code and local regulations.
Contact load ratings
120 V a.c.
16 FLA, 96 LRA
SPDT
Controls with low pressure (LP) signal
240 V a.c.
8 FLA, 48 LRA
Controls with low pressure (LP) and high
pressure (HP) signal)
KP 15 and KP 17W. Only code nos.:
060-2024 060-2027 060-2030
060-2026 060-2029 060-2031
(stamped on top of control)
240 V d.c.
12 W pilot duty
See label inside cover
Terminal block
Terminal block
Function
CAUTION: Use terminal screws furnished in the
contact block.
Use tightening torque 20 lb. in (2.3 Nm).
Use copper wire only.
CAUTION: Use terminal screws furnished in
the contact block.
Use tightening torque 20 lb. in (2.3 Nm).
Use copper wire only.
Low pressure (LP) side:
A-C close on LP rise
A-C open on LP drop
Low pressure (LP) side:
A-C close on LP rise
A-C open on LP drop
High pressure (HP) side.
A-C open on HP rise
A-C close on HP drop
High pressure (HP) side.
A-C open on HP rise
A-C close on HP drop
LP signal option:
A-B close on LP drop
LP signal option:
A-B close on LP drop
Note!
M = Load
x = Signal option
HP signal option:
A-D close on HP rise
See label for current wiring inside cover
= Bellows movement on pressure rise
¬
= Bellows movement on pressure
drop
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Manual tripping
(Electrical contacts/wiring test)
LP side
HP side
TRIP
use FINGERS
ONLY!
(Do NOT use
screwdriver)
Note:
On controls with LP and/or HP man. reset, push
corresponding LP and/or HP man. reset knob during
tripping.
Manual tripping
To resume control operation after safety cut-
out, push man. reset knob as indicated.
Note:
LP man. reset is possible only after system
pressure has risen above cut-in value.
HP man. reset is possible only after system
pressure has dropped below cut-out value.
Convertible reset
KP 15, code nos.: 060-2025, 060-2028
Reset options
Turn plate to desired
LP man.
LP-auto.
LP-auto.
LP-man.
reset confi guration
HP-man.
HP-man.
HP-auto.
HP-auto.
Adjustment spindle(s) location
KP 15
KP 15, KP 17B
KP 15, KP 17W, KP 25
A. MAN./MAN. RESET
B. AUTO/MAN. RESET
C. AUTO./AUTO. RESET
RI5AK222 - 520H0146
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Setting
Low pressure (LP) side setting
High pressure (HP) side setting
KP 15, KP 17W, KP 17B and KP 25
KP 15 with LP man. reset only
KP 15, KP 17W, KP 17B and KP 25
with LP auto. reset only
KP 15 with convertible LP auto.)
with HP auto. or man. reset
man. reset
LP
LP
scale
scale
1. Adjust range spindle to
1. Adjust range spindle to
1. Adjust range spindle to
desired CUT-IN value.
desired CUT-OUT value.
desired CUT-OUT value.
2. Adjust diff erential
2. DIFFRENTIAL (DIFF.)
2. DIFFERENTIAL (DIFF.)
spindle to desired
is fi xed.
is fi xed.
DIFFERENTIAL
Value printed on
Value printed on
(DIFF.) value.
scale plate.
scale plate.
CUT-IN minus DIFFERENTIAL equals
CUT-IN equals CUT-OUT plus
CUT-OUT minus DIFFERENTIAL equals
CUT-OUT
DIFFERENTIAL
CUT-IN
Example:
Example:
Example:
CUT-IN
–
DIFF.
=
CUT-OUT
CUT-OUT
+
DIFF.
=
CUT-IN
CUT-OUT
–
DIFF.
=
CUT-IN
30 psig
–
10 psi
=
20 psig
12 psig
+
10 psi
=
22 psig
203 psig
–
58 psi
=
145 psig
(2.1 bar)
(0.7 bar)
(1.4 bar)
(0.8 bar)
(0.7 bar)
(1.5 bar)
(14 bar)
(4 bar)
(10 bar)
Adjustment
KP 15:
2 psi (0.15 bar)/rev
KP 15:
10 psi (0.7 bar)/rev
KP 25:
1.5 psi (0.1 bar)/rev
KP 25:
7 psi (0.5 bar)/rev
Note:
Remove lockplate before adjustment.
Replace lockplate after adjustment (if desired).
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