Danfoss KP 61 User manual
t ≥ t + 2 °C (3.5 °F)
t
t
Danfoss
60-730.15
Varpor charge
KP 61, KP 62, KP 63 Max.
KP 68, KP 69 : 120 °C (250 °F)
KP 71, KP 73: 80 ° C (175 °F)
KP 75 : 110 °C (230 °F)
KP 77 : 130 °C (265 °F)
KP 79 : 150 °C (300 °F)
KP 81 : 200 °C (390 °F)
Varpor charge
Adsorption charge
Danfoss
60-731.14
Drip proof IP30
(EN 60529)
10 – 32 UNC
Danfoss
60-735.12
max. / in.
(3 mm)
Cable entry
/ in. int.
thread accepts
/ in. NPT or NPS
Danfoss
60-733.12
min. -40 °C (-40 ° F)
max. 65 °C (150 °F)
Danfoss
60-732.12
Installation guide
Thermostat
Types KP 61 - KP 81
© Danfoss A/S (AC-MCI / jmn), 2013-11 DKRCC.PI.CA0.C1.22 / 520H8304 1
060R9748
060R9748
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)
Auto reset Manual reset Auto reset
(w/o hand knob) w/ hand switch
Types Bulb types
Varpor charge Adsorption charge
Mounting requirement Max. bulb temperature Ambient temperatures
Enclosure
Cable entry Required cap. tube length on evaporator
80 in. cap. tube: min. 16 in.
196 in. cap. tube: min. 22 in.
CAUTION: The mounting panel must be
plane to avoid damage of control.
2 DKRCC.PI.CA0.C1.22 / 520H8304 © Danfoss A/S (AC-MCI / jmn), 2013-11
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)
Manual reset
To resume control operation after safety
cut-out, push reset knob as indicated.
Note:
Man. reset is possible only after a
temperature rise of xed dierential (example
5.4 °F)
Note:
use FINGERS ONLY!
(Do NOT use screwdriver)
KP w/ manual reset
Note:
Push manual reset knob during manual
tripping.
Manual tripping
(Electrical contacts/wiring test)
Note:
use FINGERS ONLY!
(Do NOT use screwdriver)
KP w/ auto reset
Main
lever
Contacts
position
Main
lever
Contacts
position
Contacts
position
Contacts
position
120V a.c. 16 FLA, 96 LRA
240V a.c. 8 FLA, 48 LRA
240V d.c. 12W pilot duty
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
© Danfoss A/S (AC-MCI / jmn), 2013-11 DKRCC.PI.CA0.C1.22 / 520H8304 3
Adjustment spindles location
Note
Remove lockplate before thermostat
adjustment. Replace lockplate after
adjustment (if desired).
RANGE DIFFERENTIAL
See printed instruction on top of control See printed instruction on top of control
increase temp. (warmer): turn CW Increase: turn CW
decrease temp. (colder): turn CCW decrease: turn CCW
(use adjustment knob) (use adjustment knob or screwdriver)
Determination of dierential
For KP w/ vapor charge and auto. reset (KP 61, KP 62, KP 63, KP 68, KP 69): Use graphs to determine correct dierential.
Example:
HSP = 5.6 °C (45 °F) => DIFF (from graph):
LSP = 0 °C (32 °F) 7.2 °C (13 °F) (value which has to be
set on di. scale).
For KP w/ adsorption charge (KP 71, KP 73, KP 75, KP 77, KP 79, KP 81):
The dierential will be HSP less LSP
Example: HSP – LSP = DIFF.
7 °C – 5 °C = 2 °C
(45 °F)(35 °F) (10 °F)
Note:
(Load Option A) (Load Option B)
CUT-IN = HSP or CUT-IN = LSP
CUT-OUT = LSP CUT-OUT = HSP
See “Wiring”
4 DKRCC.PI.CA0.C1.22 / 520H8304 © Danfoss A/S (AC-MCI / jmn), 2013-11
Switch position Contacts position
Aut. Automatic control operation
µ Stop 1 and 2 are closed
1. Adjust range spindle to desired 1. Adjust range spindle to desired
HIGH SET POINT (use hand knob) LOW SET POINT
2. Adjust dierential spindle to 2. DIFFERENTIAL is xed.
desired DIFFERENTIAL Value printed on scale plate
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 nd correct dierential, see“Determination of dierential”
HIGH SET POINT minus DIFFERENTIAL equals LOW SET POINT HIGH SET POINT minus DIFFERENTIAL equals LOW SET POINT
Example: Example:
HSP – DIFF. = LSP HSP – DIFF. = LSP
7 °C – 5 °C = 2 °C 3 °C – 3 °C = 0 °C
(45 °F) (10 °F) (35 °F) (37.4 °F) (5.4 °F) (32 °F)
KP w/ hand switch CAUTION:
• Handswitchbreakscircuitbymicrocontactgab.
• Usehandswitchforserviceonrefrigerationpartsonly
• Cutoutmainswitchbeforeserviceonelectricalparts
For KP w/ adsorption charge (KP 71, KP 73, KP 75, KP 77, KP 79, KP 81):
The dierential will be HSP less LSP
Example: HSP – LSP = DIFF.
7 °C – 5 °C = 2 °C
(45 °F)(35 °F) (10 °F)
Note:
(Load Option A) (Load Option B)
CUT-IN = HSP or CUT-IN = LSP
CUT-OUT = LSP CUT-OUT = HSP
See “Wiring”
This manual suits for next models
10
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