Connections
Assembly
Wiring
All wiring should conform to the National
Electrical Code and local regulations.
SPDT
Controls with low pressure (LP) signal
Terminal block
Controls with low pressure (LP)
and high pressure (HP) signal)
Terminal block
CAUTION
:
Use terminal screws furnished
in the contact block.
Use tightening torque 20 lb. in (2.3 Nm).
Use copper wire only.
Low pressure (LP) side:
A-C close on LP rise
A-C open on LP drop
High pressure (HP) side:
A-C open on HP rise
A-C close on HP drop
LP signal option:
A-B close on LP drop
See label for current wiring inside cover.
CAUTION:
Use terminal screws furnished
in the contact block.
Use tightening torque 20 lb. in (2.3 Nm).
Use copper wire only.
Low pressure (LP) side:
A-C close on LP rise
A-C open on LP drop
High pressure (HP) side:
A-C open on HP rise
A-C close on HP drop
LP signal option:
A-B close on LP drop
HP signal option:
A-D close on HP rise
Function
Contact load ratings
See label inside cover
120 V AC
16 FLA, 96 LRA
240 V AC
8 FLA, 48 LRA
240 V DC
12 W pilot duty
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 fingers or with any tool.
= Load
= Signal option
= Bellows movement
on pressure rise
= Bellows movement
on pressure drop
Note
!
© Danfoss | DCS (jmn) | 2016.10
2 | 520H11520 | DKRCC.PI.CA0.B3.22
