Honeywell 9400c Wiring Diagram

System is pumped ch with gravity hw, no cylinder stat or motorised valve, but there is a room stat. This manual comes under the category temperature controllers and has been rated by 1 people with an average of a 8.1.

Just try to connect a Honeywell BDR 91 to replace a CM907 i DIYnot Forums

Suitable soldering iron for circuit board work and some solder wire.

Honeywell 9400c wiring diagram. Honeywell st9400c programmer wiring diagram. Automatic summer and winter time change. The honeywell home trademark is used under license from honeywell international inc.

There might be an extra wire pushed into the wall or wrapped around the wire bundle. Live live neutral neutral 3 4 4 na 5 na 6 3 7 1 8 na. The wiring diagram is as below:

Honeywell cannot be held responsible for misapplication of the product(s) described within this document. Honeywell fan limit switch wiring diagram wiring diagram for honeywell stc programmer new inspirationa. St9400c temperature controller pdf manual download.

In the sundial s plan, w plan, and y plan wiring diagrams. A static protection wrist strap and connection to ground is a good idea. If using the st to replace other honeywell programmers, the equivalent wiring terminations are refer to honeywell for wiring conversion diagrams.

Honeywell st9400c 7 day programmer is a 2 channel programmer designed for control of both heating and stored hot water in complete systems. St9400c is a two channel 7 day programmer with independent timing for control of heating and hot water zones. Make sure the wires are properly tightened.

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? Gently pull the wire bundle out of the wall to check for unused wires. Contains all the essential wiring diagrams across our range of heating controls.

Install and wire as above if using eim. Mount the thermostat and wire to c and r terminals of the equipment interface module (eim), or to a separate 24 volt transformer (not provided). Honeywell cannot be held responsible for misapplication of the product(s) described within this document.

Manufactured for and on behalf of the environment and combustion controls division of honeywell technologies sarl, ecublens, route du bois 37, switzerland by its authorised representative honeywell inc. Up to 3 events per day. Example wiring diagram for 1h/1c conventional application.

A link between live and com 3.and the usual live and neutral connections.would i be right in thinking that i just need to connect old 5 to the new 4 (ch on) and the old 8 to the. The st6400c and the st6450 programmers can be replaced with the st9400c programmer without the need to replace the backplate or wiring, however we always recommend installing a new backplate when installing a new programmer. Otherwise be careful what you touch on the circuit board.

Current st699 is faulty, would like to replace with 9400c, but cannot see that it would work, although honeywell say it will. Honeywell reserve the right at any time and without notice to change any This manual is available in the following languages:

The st9420c and the st9520c can also be used as replacement for the st6400c and st6450c. A c or common wire that does not connect directly to the c on the transformer, but instead connects to another common may experience random restarts / shutoff. Honeywell home st9400c programmer (88608) honeywell home st9400c programmer.

The stc is a two channel 7 day programmer with. (see wiring guide document en3h2393 issue 12) completion checklist for. Electrical wiring for central heating systems.

If the st is replacing an existing. View the manual for the honeywell st9400c here, for free. Hi all, just got a nest thermostat 3rd gen and i have a stc installed i've been studying wiring diagrams and the houses system all day.

Hi all i have read the wiring diagram and suggestions regarding converting from honeywell st699 to st9400c timer but all guidance describes changing from the basic wiring to the new terminals in the st9400c. Wiring diagrams the following diagrams show you how to install the nest thermostat on: Refer to honeywell for wiring conversion diagrams.

Stc, installer guide, wiring diagram. Do you have a question about the honeywell st9400c or do you need help? Example wiring diagram for a 2h/1c conventional application.

Hi i'm looking to replace my old honeywell st7100 programmer with a new st9400c.the connections on the st7100 are to 8 (hw on) 5 (ch on).a link between com 6 and com 4. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. If this fails to solve your problem i have read on the honeywell website that the 9400c is a direct replacement that will fit the 6400c.

Manufactured for and on behalf of the environment and combustion controls division of honeywell technologies sarl, ecublens, route du bois 37, switzerland by its authorised representative honeywell inc. 62 of 87 ( 71%) reviewers would recommend this product. Mine is wired up as basic 2 diagram (with room thermostat) so i have a direct wire from the boiler to terminal 8.

39 Nest Y Plan Wiring Wiring Diagram Online Source