Danfoss KP 44 Installation guide

Installation guide
Dual pressure switch Type KP 44
Ambient temperatures
060R9766
t1 min. -40 °C (-40 °F) t1 max. 65 °C (150 °F)
Caution: Do not mount the control in a p osition where dirt, sediment or oil will aect the operatio of the control.
Connections
Test pressure (p
Control Safety
Control PS/MWP 17 bar Pe (245 psig) Safety PS/MWP 17 bar Pe (245 psig)
1. Lefthand pressure setting spindle
2. Dierential setting spindle
3. Main arm
4. Righthand pressure setting spindle
5. Main spring
6. Dierential spring
7. Bellows
8. Pressure connections
9. Contact system
10. Terminal
11. Earth terminal
12. Cable entr y
13. Tumbler
14. Locking plate
15. Impulse lever
test
)
P
max.
test
19 bar P
P
max.
test
25 bar P
(275 psig)
e
(362 psig)
e
060R9766
The switch in the KP has a snap-action function and the bellows moves only when the cut-in or cut-out value is reached.
Enclosure
Caution: The mounting panel must be plane
to avoid damage of control.
© Danfoss A/S (AC-MCI /jmn), 2014-01 DKRCC.PI.CD0.B2.02 / 520H8364 1
Mounting
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 ngers or with any tool.
Electrical connections
Electrical ratings
AC 1: 16 A
AC 3: 16 A
AC 15: 10 A
DC 13: 12 W 220 V
400 V
Setting
CONTROL side setting SAFETY side setting
1. Adjust range spindle to desired CUT-IN value
1. Adjust range spindle to desired CUT-OUT value.
2. Adjust dierential spindle to desired DIFFERENTIAL (DIFF.) value
2. DIFFERENTIAL (DIFF.) is xed. Value printed on scale plate.
When used acc. to UL regulations
Listed refrigeration
Voltage FLALRAResist.
AC DC 240 120
Use copper wire only Tightening torque 20 lb.in.
controller 61B5
8 48 8 A
16 96 16 A
240 12 W
load
Pilot duty
3 A
CUT-IN equals CUT-OUT minus CUT-IN equals CUT-OUT plus DIFFERENTIAL DIFFERENTIAL
Example: Example:
CUT-OUT – DIFF. = CUT-IN CUT-OUT + DIFF. = CUT-IN
8 bar (116 psi) – 2 bar (29 psi) = 6 bar (87 psi) 4 bar (58 psi) + 1 bar (15 psi) = 5 bar (73 psi)
Adjustment
Control side setting Control side dierential
Safety side setting
Note:
Remove lockplate before adjustment Replace lockplate after adjustment (if desired).
2 DKRCC.PI.CD0.B2.02 / 520H8364 © Danfoss A/S (AC-MCI /jmn), 2014-01
Loading...