Danfoss ICF 50-4 Installation Manual page 6

ICLX modules (fig. 8a and 8b)
Often the cover and function module can
be removed while still assembled (fig. 8a).
1. Unscrew and remove all top cover
screws.
2. Push two screwdrivers in between the
top cover and the valve body and pull
the screwdrivers downwards to
release the function module and its
o-rings.
If the internal O-rings stick to the metal
surface it is necessary to disassemble in 2
steps (fig. 8b).
1. Remove spindle sign, lock ring and lock
washer and turn the spindle downwards,
out of thread.
Remove the top cover.
2. Insert two screwdrivers into the two
grooves in the function module and
press the screwdrivers downwards to
release the function module and its
o-rings.
Upon opening and removal of the function
module:
- Check that the o-rings on the function
module has not been damaged.
A valve with a damaged o-ring might
not operate according to the
specification.
- The insert and piston assembly can
be disassembled and wear parts can be
replaced.
For detailed information please see the
installation guide for ICS, ICM, ICLX or ICSH
valves.
Backseating SVA-S or REG-SB
module (fig. 9)
To backseat turn the spindle counter-
clockwise until the valve is fully open.
Before remounting the cap on the modules
Module and side port location (fig. 12)
ICF 50-4
Function Module Type
ICM
Motor operated valve module
ICS
Pilot operated serco valve module
ICSH
Dual position solenoid valve module
ICLX
Solenoid valve module
SVA-S
Shut-off valve module
REG-SB
Regulating valve module
FIA
Strainer module
P1 & P3 (P3 on the opposite side of P1): Side ports for gauge valve, sight glass, etc..
P2 & P4 (P4 on the opposite side of P2): Side ports for defrost drain or other purposes.
ICF 65-3
Function Module Type
ICM
Motor operated valve module
ICS
Pilot operated servo valve module
ICLX
Solenoid valve module
SVA-S
Shut-off valve module
REG-SB
Regulating valve module
P1 & P3 (P3 on the opposite side of P1): Side ports for gauge valve, sight glass, etc..
P2 & P4 (P4 on the opposite side of P2): Side ports for defrost drain or other purposes.
location not possible
*) Modules are fixed
© Danfoss | DCS (MWA) | 2017.09
please ensure that the gasket is present in
the cap. Then tighten the cap with 16 Nm
(12 ft lbs).
Manual operation of
ICLX module (fig. 10)
Normal operation mode:
For the valve to operate normally under the
influence of the pilot valves the spindle of
the manual operation device needs to be
turned fully clockwise.
Manual forced opening:
To manually open the valve the spindle of
the manual operation device needs to be
turned fully counter clockwise.
Manual operation of
ICS/ICSH module (fig. 10)
Normal operation mode:
For the valve to operate normally under the
influence of the pilot valves the spindle of
the manual operation device needs to be
turned fully counter clockwise.
Manual forced opening:
To manually open the valve the spindle of
the manual operation device needs to be
turned fully clockwise.
Note:
Always pay attention to the spindle
during operation of the manual opener
1. Pay attention to the C-clip reaching the
top of the manual stem top nut (ICSH:
spacer between C-clip and manual stem
top nut) when turning the manual stem
clockwise for opening the valve.
Never use excessive torque and stop
turning when the C-clip gets in
contact with the Nut/Spacer.
2. When turning the spindle anticlockwise,
for deactivation of the manual opener, to
the top point, tighten the spindle further
anticlockwise to 8 Nm (5.9 lb/ft) torque
for back-seating.
*)
M1
*)
M1
3. Remount the cap and tighten it
clockwise to 8 Nm (5.9 lb/ft) torque.
Manual operation of
ICM module (fig. 11)
A magnetic coupling can be used to rotate
the spindle manually when the actuator
has been removed. To make use of the
manual operation, a multi-function tool
(optional) is used (see fig. 11).
Manual operation is also possible with the
actuator mounted on the valve and the
power supply connected to the actuator.
No matter if the signal connections are
wired to the actuator it will be possible to
use the manual operation function built
into the actuator electronics allowing the
motor to step in 1% increments meaning
that 100 steps will correspond to a
fully open valve. Please refer to the
separate instruction on ICAD to address the
manual function.
Use only original Danfoss parts, including
O-rings and gaskets for replacement.
Materials of new parts are certified for the
relevant refrigerant.
In cases of doubt, please contact Danfoss.
For further service / maintenance details
on the modules ICM, ICS, ICSH, ICLX,
SVA-S, REG-SB and FIA; please refer to the
individual product installation guide, which
can be downloaded from danfoss.com.
Can be installed in these locations
M3
M3
M3
M3
M2
Can be installed in these locations
M3
M3
M3
DKRCI.PI.FT0.D2.ML | 520H10383 | 6
M4
M4
M4
M4