Dec 30, 2010· For clarity it is a Worcester Zozen combi boiler and a Switchmaster SM300 programmer. The progammer has live and neutral connections and the two black wires conect to the programmer on terminnals 1 marked "ON" and 4 marked "COM". Axel Axel, Dec 27, 2010 #5. Devil's
Central Heating Controls. Top Sellers Price - High to Low Price - Low to High Product Brand - A to Z Product Brand - Z to A Average Star Rating. Drayton LP522 (Mk4) Programmer (20673) 5/2 Day Programmable. 3 On / Off Periods per Day. Digital Display. Click & Collect. in your basket Checkout Now. Honeywell ST9400C Programmer (88608)
Installation and maintenance instructions manual - 72 pages. Instructions for installation and servicing - 52 pages. Operating instructions manual - 36 pages. Most useful pages: More. Resolving ignition faults Maintenance message Resetting the boiler Setting heating flow temperature Hot water production with VUW boilers Filling the heating system.
Dec 08, 2012· 7) OPERATION NOTES It does take time for the boiler to produce the required heating and hot water temperatures, so set the programmer switch ON, for example, half an hour earlier than required. Other controls in your system (such as room, boiler and cylinder thermostats) may affect the switching of your boiler.
Jun 02, 2011· Discussion in ' Plumbers' Talk ' started by Graham price, May 31, 2011 . I have a sealed fully pumped system. Boiler is a Worcester Zozen 19/24CBi. Programmer is a Honeywell St699. The installation is about 5 years old. The boiler is now ignoring the programmer and both the water and CH thermostats and therefore runs permanently.
Programmers. A programmer is simply a timer which controls one or more switches. The timer can be mechanical or electronic. Programmers for central heating systems typically have two sets of switches - one for hot water and the other for heating. It is normally possible to have two or more different switching times each day, and on many types
Sep 03, 2019· The feed should come from the fused spur to the programmer. Programmer then sends it to stat/s when it requires heat, stat/s sent it to zone valve/s they send it to boiler, boiler send it to pump if overrun. No power either side of fused spur, but power out of distribution board, broken between the two.
Motor Type ECM Constant Torque, 1 HP Heating Source Hydronic heat coil installed Refrigerant R-410A Voltage 115-1-60 Application Multi-Position, use in boiler loops Coil CopperTube/Aluminum Fin Blower Drive (Tons) 5 Metering Device TXV, Factory Installed Warranty Up to 12 years when part of an AHRI matched system Cabinet Galvanized steel, painted front panels, fully insu Dimensions HxWxD (in
A common timer, programmer or clock to be fitted are Diehl, Grasslin, Drayton and Tower. It is important to take your time to find the right Clock, Programmer and Timer for your Oil Boiler. We have a large range in stock at DHS and if you are unsure about which timer, programmer or clock you need please give us a â€¦
2Keston Combi Boilers compare Model name Keston Combi 30 Keston Combi 35 Picture Features 30 kW 35 kW User Interface User Display Digital Digital User Interface Manual Control Yes Yes Fault Diagnostics Display Yes Yes User adjustable manual heating control Yes Yes In-built Programmer No No Gas Natural gas, LPG NG NG SAP 2005/2009 annual efficiency (PCDB/SEDBUK) "A" class 91% â€¦
Motor Type ECM Constant Torque, 1 HP Heating Source Hydronic heat coil installed Refrigerant R-410A Voltage 115-1-60 Application Multi-Position, use in boiler loops Coil CopperTube/Aluminum Fin Blower Drive (Tons) 3.0-3.5 Metering Device TXV, Factory Installed Warranty Up to 12 years when part of an AHRI matched system Cabinet Galvanized steel, painted front panels, fully insu Dimensions HxWxD
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5.0 Care of the Boiler Cleaning the Outercase 1. The painted panels should be wiped with a damp cloth and then dried completely. DO NOT USE ABRASIVE CLEANING AGENTS. Protection & Precautions 1. The boiler incorporates an integral frost protection feature that will operate in both modes. If the boiler temperature falls below 4°
Aug 08, 2015· Hi, I am trying to replace a Potterton EP3001 programmer with Danfoss RX1. The 5 core cable to the 3001 are: N Blue L Brown ( and a link from L to 5) 1&2 not used. 3 Black going to hot water tank thermostat 4 Black going elsware.
For a combi boiler, you only require a single channel programmer â€“ since you are only worried about when the heating comes on.. It is not uncommon for us to encounter boilers that have a malfunctioning two-channel programmer, where the heating and hot water are tied to one another â€“ so when you turn the heating on, the hot water is being produced and vice-versa!
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