OPTIMUM MID-POSITION VALVE 22mm
OPTIMUM MID-POSITION VALVE 22mm
Estimated delivery: 3 - 5 days
Free Shipping & Returns: On orders above £75
3 port spring return mid-position valves with 22mm compression fittings and 230V AC switched output. These are 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. Supplied with protective plastic covering on the actuator to avoid scratches during shipping/installation and is easily removed once the installation is complete.
Specifications:
- Mid-position spring return valve with 22mm fitting
- Industry standard cable colours
- Manual override lever
- Supply Voltage 220-240V AC 50 Hz
- Power consumption 6W
- Operating temperature range: 5 to 88 °C
- Cable length one metre
- Max. Differential pressure for 22mm = 1 Bar
- Max. Static pressure 10.0 Bar
- Max. Fluid temperature 100 °C
- Max. Ambient temperature 52 °C
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. This can be reset manually, or will reset once the heating circuit has been energised.