Danfoss KP 79 Инструкции - Страница 2

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Danfoss KP 79 Инструкции
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 in
the contact block.
Use tightening torque 20 lb. in. (2.3 Nm).
Use copper wire only.
Contact load ratings
120 V a.c.
16 FLA, 96 LRA
240 V a.c.
8 FLA, 48 LRA
240 V .c.
12 W pilot duty
Manual tripping
(Electrical contacts/wiring test)
Note:
use FINGERS ONLY!
(Do NOT use screwdriver)
Manual reset
2
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:
This means
CUT-IN
and
CUT-OUT
Note:
⇑ = Bellows movement on pressure rise
⇓ = Bellows movement on pressure drop
The free terminal can be used for signal
purpose.
Contacts
position
Main
lever
Contacts
position
KP w/ auto reset
RI.5D.A2.22 → DKRCC.PI.C0A.A1.22-520H2749
CUT-IN
= +50°F (+10°C)
CUT-OUT
= +40°C (+4.5°C)
= HSP = +50°F (+10°C)
= LSP = +40°F (+4.5°C)
Note:
use FINGERS ONLY!
(Do NOT use
screwdriver)
To resume control operation after safety cut-
out, push reset knob as indicated.
Note:
Man. reset is possible only after a
temperature rise of fi xed diff erential (example
5.4°F)
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
= +32°F (+0°C)
CUT-OUT
= +50°F (+10°C)
This means
CUT-IN
= LSP = +32°F (+0°C)
and
CUT-OUT
= HSP = +50°F (+10°C)
Contacts
position
Main
lever
Contacts
position
KP w/ manual reset
Note:
Push manual reset knob during manual
tripping.
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