Honeywell 9400c Wiring Diagram

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Replacing Honeywell St699b With A St9400c Diynot Forums

ST9400 Programmers will mount directly onto many existing manufacturers back-plates without the need for re-wiring.

Honeywell 9400c wiring diagram. However they are also supplied complete with a wiring back-plate should this not be the case. Suitable soldering iron for circuit board work and some solder wire. Electrical wiring for central heating systems.

Honeywell st9400c programmer wiring diagram. We are the leading suppliers of domestic heating and combustion controls in the UK with products that include time temperature gas and water controls. STEPS a Switch off power to unit at mains.

Two flat bladed screwdrivers and a pozi-drive. My only real concern is that I have a Honeywell ST9400c programmer that has 6 terminals - Live Neutral CH on. Dec 19 2016.

Just for your info there was a recall on these programmers due to this sort of fault I had it with mine at home if I set the hot water to come on 10mins before heating all was fine but didnt work if both set to same time there is a way to find the date code with certain presses or a sticker on the back then ring Honeywell ive had 4 different callout to the same problem in recent years. See Wiring Guide document EN3H2393 Issue 12 Completion Checklist for Installation 1. ST9500C is a 2 channel 7 day full programmer designed to control 2 heating zones.

Honeywell st9400c 7 day programmer is a 2 channel programmer designed for control of both heating and stored hot water in complete systems. ST9400C 7 Day 2 Channel Programmer. A static protection wrist strap and connection to ground is a good idea.

WORK SAFELY. So the wire to terminal 8 from the boiler is throwing me as all the conversion examples from the norm basic set up on the st699 to the st9400c do not mention this direct connection from the boiler only a loop from 8 to 5 pins that can be removed. Honeywell Central Heating Wiring Diagrams Sundial Y Plan.

WORK MUST BE COMPLETED BY QUALIFIED ELECTRICIANS OR HEATING ENGINEERS. I cant even find a mention of it on any Honeywell website - UK USA or Europe. Doesnt help I cant find a wiring diagram for the ST1250 anywhere on the web.

2 results found for st6400c. This programmer gives great flexibility offering up to three onoff switchings per day additionally. The implication is that the wires I have at 9400cT3 and 9400cT4 need to be swapped over.

Click the icon or the document title to download the pdf. Honeywell St9400c Wiring Diagram ST can also be set as a Mini- Honeywell ST can be used as an aid to compliance. Otherwise be careful what you touch on the circuit board.

ST9400 see notes 1 2 Introduction. Contains all the essential Wiring Diagrams across our range of heating controls. Replaced the programmer and same fault is happening again even though I left it on the factory default program.

Our product range is designed to provide the homeowner with the best in comfort energy and health solutions. System is pumped CH with gravity HW no cylinder stat or motorised valve but there is a room stat. Basically Power is being supplied via a Plug-in cable to the Honeywell ST 9400C Programmer Backplate - From there a cable supplys the Timed Feed to the Potterton Netaheat 10 16 Electronic Boiler and the Pump is wired to the same terminals within the Boiler Terminal Block as the Timed Feed - So the Programmer turns on both the Boiler and Pump.

Honeywell diagrams give the details for wiring but with no terminal 8 as on the ST699 I can not see a way of wiring it. The heating and hot water programmes are completely independent to allow the system to be operated in the most energy efficient manner possible. ST6400C 7 Day 2 Channel Programmer.

Refer to Honeywell for wiring conversion diagrams. Page 3 of the pdf wiring diagram upload attached shows the basic system 2 with room thermostat wiring layout I currently have exactly. 2018 Resideo Technologies Inc.

ST9400C is a 2 channel programmer designed for control of both heating and stored hot water in complete systems. If using the ST9400 to replace other Honeywell Programmers the equivalent wiring terminations are shown in the tables below. We are the leading suppliers of domestic heating and combustion controls in the UK with products that include time temperature gas and water controls.

Though it might be easier to swap WCT5 and WCT8. Current ST699 is faulty would like to replace with 9400C but cannot see that it would work although Honeywell say it will. The Honeywell Home trademark is used under license from Honeywell International Inc.

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Honeywell 9400c Wiring Diagram

ST9400 Programmers will mount directly onto many existing manufacturers back-plates without the need for re-wiring.

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