Danfoss KP 15 Pressure Switch and Combustion Controls
Refrigerants:
R22, R134a, R404A, R407A, R407C, R407F, R422B, R422D, R448A, R449A, R450A, R452A, R507A, R513A
For complete list of approved refrigerants, go to http://products.danfoss.com/all-products/
CAUTION:
Do not install these controls on ammonia systems.
Ambient temperatures / Mounting requirements
t1 min.: -40 °F (-40 °C)
– 1 3 °F (- 25 °C) (PED approved products)
t1 max.: 149 °F ( 65 °C)
Test pressure (Ptest)
Enclosure
Connections
Assembly
CAUTION:
Disconnect power supply before wiring connections are made or service to avoid possible electrical shock or damage to equipment. Do never touch live parts with your fingers or with any tool.
Wiring
All wiring should conform to the National Electrical Code and local regulations.
SPDT
Controls with low pressure (LP) signal
Terminal block
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
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
See label for current wiring inside cover.
Controls with low pressure (LP) and high pressure (HP) signal)
Terminal block
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
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
HP signal option:
A-D close on HP rise
Contact load ratings
| 120 V AC | 16 FLA, 96 LRA |
| 240 V AC | 8 FLA, 48 LRA |
| 240 V DC | 12 W pilot duty |
See label inside cover
Function
Manual tripping
(Electrical contacts/wiring test)
LP side
HP side
Note:
On controls with LP and/or HP man. reset, push corresponding LP and/or HP man. reset knob during tripping.
Manual reset
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
Insert a screwdriver into the slot on the lock disc and turn it to desired reset configuration. Do not turn the screw on the lock disc as it may damage the convertible reset mechanism.
Reset options
Note:
Do not select automatic reset if safety of the system requires manual reset.
Note:
Selected reset configuration may be protected against unauthorized actions applying a seal.
Adjustment spindle(s) location
Setting
Low pressure (LP) side setting
High pressure (HP) side setting
Adjustment
Note:
Remove lockplate before adjustment. Replace lockplate after adjustment (if desired).
Documents / Resources
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Danfoss KP 15 Pressure Switch and Combustion Controls [pdf] Installation Guide KP 15, KP 17W, KP 17B, KP 25, KP 15 Pressure Switch and Combustion Controls, KP 15, Pressure Switch and Combustion Controls, Combustion Controls |