Johnson Controls RA-3 Series Service And Data Information page 25

111 6041 050 E
Installation orientation
Do not install the actuator at angles greater than
90° from the vertical position. The cover should
always be easily accessible (e.g. for EPOS
adjustment) so it may be necessary to rotate the
actuator.
The following is valid for the flow direction:
Install the valve so that the plug seats against the
direction of flow as indicated by the arrow(s) on the
valve body.
Actuators supplied as separate units:
Actuators are pre-set in the factory to facilitate
installation with minimum adjustment.
WARNING!
Actuator damage hazard
Do not operate the actuator when
NOT mounted on a valve. This
actuator
Limit switches calibrated to operate
at a certain force switch off the
motor when this exact mechanical
pressure has been achieved.
Mounting actuator on valve:
The valve stem coupling is fitted to avoid
disturbance of the pre-set stem position.
Observe the following procedure:
a) Push valve stem to lowest position.
b) Remove coupling from actuator.
c) Place actuator on valve and position ring-nut.
d) Mount coupling and tighten.
e) Connect actuator electrically.
f) Activate actuator electrically until actuator yoke
has smooth fit on valve bonnet.
g) Only now may the ring-nut be fastened.
h) Mount stroke indication scale in readable
position on clean surface.
is pressure controlled.
Ring-nut Wrench (Order-No.: 111 6235 010)
2-way
PDTC
E
Mixing valve
E
L
E = Equal percent L = Linear
7 E
PDTO
E
Diverting valve
L
E