The wiring centre is where all the wiring for a UFH system meets. It is fed by a 230v fused-spur supply and coordinates the signals received from each of the heating thermostats.
The WB10 is an 10 Zone wiring centre for use with 230v thermostats, the outline dimension is 32cm x 14cm x 5.5cm .the WB10 can be used to control any actuator or valve which requires a 230v AC signal to open. For mid position valves and those requiring a closing signal, a changeover relay is required. At the same time the WB10 offers the ability to operate a boiler or other heat source through a volt free output. Additional outputs designed for use with under-floor heating systems are also included as standard. These are the pump and valve outputs which would normally operate a manifold pump or a manifold valve.
The pump delay time is 3 mins.
WB10 has a feature of pump delay , user could set it 3mins or 1min by adjusting the switch on the pcb , the pump output delay time is 3 minutes if switch is set to “1” ; the pump output delay time is 3 minutes if switch
is set to “ON” ; the pump delay switch is close to the fuse on the pcb board.
Zone 10 can be used as an isolated radiator zone, by using the UFH/RAD switch. If the switch is set to RAD;
When zone10 calls for heat this will provide an output to a radiator zone valve and the boiler, but WILL NOT enable the under-floor heating pump /valve output. If the switch is set to UFH; When Zone 10 calls for heat, this will act as an under-floor heating zone, by enabling the actuator, boiler and pump/valve outputs.Any output
which is not needed can be ignored.
UFH PUMP:
Used for an underfloor heating manifold pump, connections are; L = LiveE = EarthN = Neutral When an under-floor heating zone sends a call for heat to the WB10, the live & neutral output will supply 230v to the manifold pump. The delay time is 3 minutes if switch in 1 ; The delay time is 1 minute if switch in ON ; It is recommended that this is fed through a high limit switch placed on the heating manifold, to protect against mechanical failure of the
manifolds temperature control.
UFH Value
Used for an underfloor heating manifold valve.
Connections are clearly marked; To enable Pump delay Or and Gr must
UFH Valve
Or = Orange
Gr = Grey
L = Live
E = Earth
N = Neutral
When an under-floor heating zone sends a call for heat to the WB10, the
live & neutral output will supply 230v to the manifold valve.
The auxiliary wires of the valve, usually grey & orange, are wired to the
Gr & Or terminals.
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