Honeywell Sundial Wiring Diagram Y Plan

Electrical wiring for central heating systems. The honeywell home trademark is.

Honeywell Sundial Plans Phpi Online

This has one inlet and two outlets one for hot water the.

Honeywell sundial wiring diagram y plan. Faq v4073a mid position y plan valve operation how a mid position valve operates within a sundial y plan heating system faq w plan hot water priority system how a w plan heating system operates faq pump overrun wiring diagrams for y plan incorporating a st9400 programmer. The information in this document is provided as is with no implied warranty. The w plan uses a two position diverter valve which is normally installed to give priority to the domestic hot water circuit.

This document has neither been produced nor endorsed by honeywell. Im investigating a fully pumped honeywell sundial y plan system with a mid position zone valve. I also had to replace the sundial wiring centre and swopped the wiring over one for one i think.

Sundial plan wiring centre can be used with c s and y plan systems and has single terminal connections which are clearly labeled. Part 3 in the series looks at y plan wiring a system which uses a single 3 port valve. Provision is made for basic and pump overrun boilers.

The sundial y plan is designed to provide independent temperature control of both heating and domestic hot water circuits in fully pumped central heating installations. The customer only had hot water. Sundial w plan the sundial w plan is designed to provide independent temperature control of both heating and domestic hot water circuits in fully pumped central heating installations.

I found that the motor on the valve was knackered and changed it. Wiring plans sundial s plan 5 7 sundial s plan plus 8 sundial y plan 9 11 sundial c plan 12. The wiring centre has been designed to simplify the wiring of sundial plan central heating installations.

10 dec 09 1d remove references to 28mm valves note. General cleanup of wiring diagrams. Amend y plan wiring diagram to show correct terminal arrangement for cylinder thermostat.

This article shows a y plan wiring diagram and gives an overview of the electrical control wiring connections for a typical sundial honeywell yplan or drayton biflow fully pumped central heating system which use a mid position motorised valve. Central heating wiring diagrams honeywell central heating wiring diagrams sundial y plan please note we do not accept any responsibility for the accuracy of any of the diagrams literature or manuals and information may have been supercededamendedwork must be completed by qualified electricians or heating engineers. Sundial y plan satisfies the minimum standard requirements of the building regulations part l1 when used in conjunction with radiator thermostats and an automatic bypass valve.

Where three plans are illustrated there is one. The sundial plan diagrams in this guide are designed for ease of wiring to a 10 way junction box honeywell part number 42002116 001.