Tower 28mm 3 Port Motorised Mid Position Valve Central Heating / Boiler System Control VAL328MP

Tower Inline 28mm Central Heating 3 Port Mid-Position Valve

Brand new, genuine original Tower 3 port spring return mid-position valve with 28mm compression fittings and switched output. This is for use on fully pumped systems which when correctly wired with an appropriate room thermostat, cylinder thermostat and programmer will control the water flow from the boiler to either to hot water only, heating only, or to both simultaneously.

Specifications:
Supply Voltage: 240V AC 50Hz
Power Consumption: 6W
Operating Temperature Range: +5 to +88°C
Cable Length: 1 Metre
Max. Differential Pressure: = 1Bar
Max. Static Pressure: 10.0 Bar
Max. Ambient Temperature: 52°C
Can be vertically or horizontally mounted
Compression fittings included
Auxiliary switch
Switch rating 3A resistive
Integrated manual lever for commissioning purposes
Installation instructions included
Arrives boxed

Installation:
Before fitting the valve, read through the included plumbing and wiring instructions. When replacing the valve actuator only, set the Auto / Manual lever to the “Manual Open” position before removal. On the replacement actuator set the Auto / Manual lever to “Manual Open” position before fitting.

Wiring:
All wiring should be carried out to IEE Regulations
White: Room Thermostat Call / Heating On
Grey: Cylinder Thermostat Sat / Hot Water Off
Orange: Cylinder Thermostat Call / Boiler and Pump
Blue: Neutral
Green & Yellow: Earth

Plumbing:
When connecting to pipe work do not use the actuator for leverage. Valves should be held by wrench flats on body. Place the AUTO / MAN lever in the MAN position when filling, venting or draining the system.

***IMPORTANT: All controls must be earthed. All valves should have a means of disconnection from electrical mains supply which incorporates a contact separation of at least 3mm in all Poles. All wiring must be carried out by a competent electrician.***