Hi All,
I have the following components in my central heating system; acl switchmaster 600 prog, stelerad boiler (not sure what model), honeywell T630 room stat, honeywell L46something cylinder stat, red pump and a honeywell v4043 2 port zone valve.
I am assuming I am the proud owner of a C plan system. However the wiring doesn`t support this assumption......
The hw on signal leaves the prog, goes through the cylinder stat to both the pump and boiler on.
The ch on signal leaves the prog, goes through the room stat to the valve, and nowhere else. The valve is not connected to anything else (the orange and grey wires have been snipped).
This effectively means to get central heating I have to run a load of hot water off (guess whose job that is in the morning!)
The previous tenants (never buy a rented house !!!) had the the cylinder stat turned up to max to ensure a constant hw demand.
I have tried to reconfigure the wiring but the other problem I have is that there is only one cable into the boiler and pump, in otherwords only one live (on) signal to both devices. Also the zone valve I have only has 5 wires (inc earth) and not 6 wires as shown in the honeywell C plan diagram.
Sooooo, what should I do ? I have been reading that upgrading to a fully pumped system is more efficient and gives better control.
Is this a straightforward procedure? What is the ballpark cost to get a clever central heating chap in to do it ?
Any comments/suggestions/donations would be greatly appreciated !!
Many thanks (for reading this far).
Lj
I have the following components in my central heating system; acl switchmaster 600 prog, stelerad boiler (not sure what model), honeywell T630 room stat, honeywell L46something cylinder stat, red pump and a honeywell v4043 2 port zone valve.
I am assuming I am the proud owner of a C plan system. However the wiring doesn`t support this assumption......
The hw on signal leaves the prog, goes through the cylinder stat to both the pump and boiler on.
The ch on signal leaves the prog, goes through the room stat to the valve, and nowhere else. The valve is not connected to anything else (the orange and grey wires have been snipped).
This effectively means to get central heating I have to run a load of hot water off (guess whose job that is in the morning!)
The previous tenants (never buy a rented house !!!) had the the cylinder stat turned up to max to ensure a constant hw demand.
I have tried to reconfigure the wiring but the other problem I have is that there is only one cable into the boiler and pump, in otherwords only one live (on) signal to both devices. Also the zone valve I have only has 5 wires (inc earth) and not 6 wires as shown in the honeywell C plan diagram.
Sooooo, what should I do ? I have been reading that upgrading to a fully pumped system is more efficient and gives better control. Is this a straightforward procedure? What is the ballpark cost to get a clever central heating chap in to do it ?
Any comments/suggestions/donations would be greatly appreciated !!
Many thanks (for reading this far).
Lj
