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2     RI.5D.A2.22 

 DKRCC.PI.C0A.A1.22-520H2749   

 

© Danfoss A/S

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

 
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 

= +50°F (+10°C)

   

CUT-OUT 

= +40°C (+4.5°C)

This means 
CUT-IN 

= HSP  = +50°F (+10°C)

and 
CUT-OUT 

= LSP  = +40°F (+4.5°C)

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 

= +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)

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 fi xed diff erential (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

120 V a.c.

16 FLA, 96 LRA

240 V a.c.

8 FLA, 48 LRA

240 V .c.

12 W pilot duty

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