Optimum 22mm Zone Valve 2 Port Motorised 5 Wire Central Heating / Boiler System Control

Optimum 22mm 2 Port Motorised Zone Valve

Brand new, genuine original Optimum 2 port spring return zone valve with 22mm compression fittings and an auxiliary switch. This is for general purpose flow control applications or central heating systems. When correctly wired with an appropriate room thermostat, cylinder thermostat and programmer the valve will control the water flow from the boiler to hot water and from boiler to central heating.

Specifications:
Supply Voltage: 220 - 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. Fluid Temperature: 100°C
Max. Ambient Temperature: 52°C
Compression fittings included
Synchronous motor drive / spring return action
Auxiliary switch
Switch rating 3A resistive
Integrated manual lever for commissioning purposes
Installation instructions included
Arrives boxed

Wiring:
All wiring should be carried out to IEE Regulations
Brown: Live
Orange: End Switch Out
Grey: End Switch In
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.***