Honeywell St1501 Programer Manual
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ST9100C is a single channel timer, designed primarily for control of a single heating zone or combi boiler application. It is suitable for mains, low voltage, or potential-free switching of the heating load. This model is a 7 day timer that gives great flexibility offering up to three on/off switchings per day, additionally each day can be programmed differently.
Ideal for combi boiler installations or multi zone systems when the user has different heating needs from day to day. ST9100C can be set to 5/2 day or 1 day programme during installation. All ST9100 models incorporate the Line of Text (LoT) display that gives clear plain English instructions whenever any button or slider is used. This means that installers, customers and users can operate all of the controls reliably, without needing to find an instruction manual.
ST9100C also features a 'Holiday' button allowing the user to switch off their heating for a specified number of days (1 to 99) while they are away from home. This model has superceded the ST6100C.
Q: Hi, My sister has an old boiler at present it is controlled by a horseman type Q Mk 111 electro mechanical timer.this antique has finally given up the ghost after many many years of great service. That timer controlled the CH and domestic HW.I am pretty sure the HW is a gravity fed system to the hot water tank in the bathroom airing cupboard directly above the boiler (located in the kitchen). 5 position dial offering all the permutations to control either or, both and off etc. What would be the best horseman 24 hour seven day timer to replace this defunct unit.preferably one that does not need extensive rewiring. Many Thanks Ed A: Wow that is an old one! Yes, this will do the job.
Directly replaces earlier H27 / H27XL. Complete with new backplate.
Channel names can bet set to Heating/HW or Zone1/Zone2. 2 Channel 7 Day Programmer. 5 Year manufacturers warranty.
Large easy to follow LCD display. Backlit display (on button press). Pre-Set clock. Automatic Winter/Summer time changes. Gravity or Fully Pumped system setting. Up to 3 on/offs per channel in each 24-hour operation.
Honeywell St1501 Programmer Manual Example
One touch programme copying from day to day. Programmable Holiday setting can be set in advance of departure for any period of time. 1 or 2 hour boost and advance on each channel. Mains powered with battery backup. Voltage free. Dimensions: 101x163x33mm HxWxD.
Honeywell St1501 Programmer Manual
Same backplate as Horstmann 425 and 5 series programmers Replaces (same backplate and wiring for easy changeover): Honeywell ST1501 ST1507 ST1000 Horstmann H21 H27Z H525 H527 H425 Tiara Diadem. Newlec NL425T NLH21 NLH27 NLE527 Compatible alternatives with same backplate & wiring.