Danfoss KP 61 Temperature Switches Thermostat
MODELS
KP 61, KP 62, KP 63, KP 68, KP 69 vapor charge KP 71, KP 73, KP 75, KP 77, KP 79, KP 81 adsorption charge (cross ambient)
Installation
Mounting requirement
Max. bulb temperature
Ambient temperatures
Enclosure
CAUTION: The mounting panel must be plane to avoid damage of the control.
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.
Terminal block
CAUTION: Use terminal screws furnished inthe contact block.
Use tightening torque 20 lb. in. (2.3 Nm). Use copper wire only.
Contact load ratings
- 120V a.c. 16 FLA, 96 LRA
- 240V a.c. 8 FLA, 48 LRA
- 240V d.c. 12W pilot duty
Load Option A
CUT-OUT on temperature drop
Wire terminals 1 – 4:
CUT-IN = High Set Point (HSP) see “Setting”
CUT-OUT = Low Set Point (LSP) see “Setting”
Terms 1 – 4 close on temperature rise
Terms 1 – 4 open on temperature drop
Example: CUT-IN = 10 °C (50 °F)
CUT-OUT = 4.5 °C (40 °F) This means CUT-IN = HSP = 10 °C (50 °F) and CUT-OUT = LSP = 4.5 °C (40 °F)
Note:
= Bellows movement on pressure rise
= Bellows movement on pressure drop
The free terminal can be used for signal purpose.
Load Option B
CUT-OUT on temperature rise
Wire terminals 1 – 2:
CUT-IN = Low Set Point (LSP) see “Setting”
CUT-OUT = High Set Point (HSP) see “Setting”
Terms 1 – 2 close on temperature drop
Terms 1 – 2 open on temperature rise
Example: CUT-IN = 0 °C (32 °F)
CUT-OUT = 10 °C (50 °F) This means CUT-IN = LSP = 0 °C (32 °F) and CUT-OUT = HSP = 10 °C (50 °F)
Adjustment spindles location
Note
Remove lockplate before thermostat adjustment. Replace lockplate after adjustment (if desired).
Determination of differential
For KP w/ vapor charge and auto. reset (KP 61, KP 62, KP 63, KP 68, KP 69): Use graphs to determine correct differential.
Setting
For KP 61, KP 62, KP 63, KP 68, KP 69, KP 71, KP 61 and KP 71 w/man. reset KP 73, KP 75, KP 77, KP 79 and KP 81 w/auto reset
Note:
To findthe correct differential, see “Determination of differential”
HIGH SET POINT minus DIFFERENTIAL equals LOW SET POINT
Example:
HSP – DIFF. = LSP
7 °C – 5 °C = 2 °C
(45 °F) (10 °F) (35 °F)
Example:
HSP – DIFF. = LSP
3 °C – 3 °C = 0 °C
(37.4 °F) (5.4 °F) (32 °F)
KP w/ hand switch
CAUTION:
- Hand switch breaks the circuit by a micro contact gap.
- Use hand switch for service on refrigeration parts only
- Cut out the main switch before service on the electrical parts
DKRCC.PI.CA0.C1.22 / 520H8304 © Danfoss A/S (AC-MCI / jmn), 2013-11
Documents / Resources
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Danfoss KP 61 Temperature Switches Thermostat [pdf] Installation Guide KP 61, KP 62, KP 63, KP 68, KP 69, KP 71, KP 73, KP 75, KP 77, KP 79, KP 81, KP 61 Temperature Switches Thermostat, KP 61, Temperature Switches Thermostat, Switches Thermostat, Thermostat |
