The sundial plan diagrams in this guide are designed. Y plan heating system.
Central Heating Wiring Diagrams Honeywell Sundial C Plan
Y plan wiring guide. And the numbers are wrong for a lot of room thermostats. Part 3 in the series looks at y plan wiring a system which uses a single 3 port valve. Wiring smart thermostat combi boilers dry contacts 6 extension kit combi boilers dry contacts 7 extension kit s plan setups switched live 8 extension kit y plan setups switched live 9 2. Electrical wiring for central heating systems. Wire wireless connected heating controls brochure. The s plan has two separate 2 port motorized valves one for central heating and one for domestic hot water.
Contents sectionpage title introduction contact uswiring notes 3 4 wiring plans sundial s plan 5 7 sundial s plan plus 8 sundial y plan 9 11 sundial c plan 12 13 sundial c plan plus 14 sundial w plan 15 smart fit 16 17 wiring guides boiler wiring 18 programmer wiring 19 valve wiring 20 frost thermostats 21 fault finding wired sundial y plan 22 23. 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. Connect internet bridge to router 10 3. The basic difference between the y plan and the s plan is the type of valves used in the pipework. Jamchiv01 nov 20 2016 1. 3 port valve wiring.
Pair extension kit with internet bridge 11 4. Contents optional accessory 5 1. This book contains wiring advice to assist with installing honeywell heating. Work safely please note we. Heating controls wiring guide issue 17 v4073a y plan how a mid position valve operates within a y plan heating system how a w plan heating system operates faq pump overrun wiring diagrams for s plan incorporating a st9400 programmer. This has one inlet and two outlets one for hot water the.
How to wire with detailed logical fault finding. The y plan has one three port mid position valve supplying heating and hot water for domestic use as shown below. The sundial y plan is designed to provide independent temperature control of both heating and. You diagrams suggest that some parts do not require an earth in the s plan but do in the y plan. Heating system wiring fixed and explained.
Gallery of Y Plan Wiring Guide
