INSTALLATION INSTRUCTIONS
Step 1. Select Valve Position:
Choose a suitable position for the valve
in the circuit to be controlled, which
allows sufficient access for wiring and
maintenance.
The position chosen must not isolate the
boiler from the open vent or the cold
feed pipe work.
The valve may be fitted in a horizontal,
vertical or inclined orientation and may
be fitted on either the flow or return
circuit.
The actuator
must not
be fitted below
the valve body.
Step 2. Fit Valve Body to Pipe work:
BOILER
PUMP
RADIATORS
TANK
TWO PORT
VALVES
AUTO
BYPASS
VALVE
Fit the valve body using the 28mm
compression nuts provided. Ensure
that the valve body is only gripped
on the hexagonal faces at the valve
ports. Take care not to over
tighten.
Step 3. Fit Actuator to Valve Body:
Position the actuator on the valve body by
locating the spindle in the cam slot.
Rotate actuator until the locating lug (shown)
lines up with locating lug-hole on the mounting
plate (shown).
Fix the actuator to the body by
lightly
tightening
the screws provided.
Set the override lever to MAN. Fill, test and
thoroughly flush the system.
PORT B
PORT A
Locating Lug
Manual Lever
