Suntracker DIN 72101 29/05/2012В В· Instructions on how to set the Sangamo Round Pattern Instructions on how to set the Sangamo Round Pattern Solar Dial, and one OFF (at sunrise or fixed time between 8.30pm and 1am
Sangamo R & B STAR Electrical Wholesalers R & B Star. Buy this Sangamo RPTS Q550.13 Solar Time Switch, Quartz Commercial Solar Dial Switch 3 Pin Q55013 online from Sparks Direct at our low price of ВЈ170.59. Archway, London UK., Sangamo Weston S258 S259 S260 S261 etc. Several people have asked me about these time switches and as I have one complete with instructions I have decided to reproduce it here. For instruction leaflet click on links below: page1 page2 page3 page4. The mechanism has prongs which slide into sockets in the Bakelite housing..
R & B STAR Electrical Wholesalers. Account login Home В» Timeswitch В» Sangamo - Q551/13 - 3- pin Time Switch Solar Dial RPTS Sangamo - Q551/13 - 3- pin Time Switch Solar Dial RPTS. ВЈ183.04 (inc VAT) View all from: Sangamo. Part Number: Q551/13. Quantity. For Urgent Deliveries 35ВєC For more information, take a look at these helpful instructions. Sangamo Timers Related searches: sangamo time switch 100amp, sangamo digital time switch, electrical cable Sutton-in-Ashfield Sangamo Sola Time Clock , 2 Pin Model Solar Range Auto Correct With 20 Sangamo INSTRUCTION MANUAL VINTAGE. Some of the manuals include illustrations.
16/10/2009В В· Sangamo round pattern "Quartz" time-switches contain a small re-charegable battery,which can easily be replaced. The clock won't work at all if the battery fails, even if the mains supply is healthy. I have changed lots in my time. Sangamo reckon they should last about 10 years. The 11-jewel Type-B models have highly damasked plates and are considered the best movements ever made by Sangamo. The Type-C movement is Time-Only, but larger than the Type-A and is used only on clocks with a sub-seconds dial. Servicing a Sangamo Electrically Wound clock movement is broken down into 4 separate jobs. Servicing the Movement
Suntracker DIN 72101 Two Module, Single Channel, Solar Time Switch A two module wide, single channel, general purpose astronomical timer that it is designed to control various loads (including LED lighting) automatically according to sunrise and sunset times. Examples Please take the time to read through our customer’s feedback, we are a modern company on the internet, that believe in old fashioned values. Contract pricing and quantity discounts available on sangamo time switches, our contracts department can also aid in specification if needed.
Sangamo have manufactured time clocks in the UK for over 90 years and at our current site in Port Glasgow, Renfrewshire since 1951. View and Download Sangamo Suntracker manual online. Electronic Solar clock 1 channel over 7 days + programming key Electronic Solar clock 2 channels over 7 days + programming key. Suntracker Switch pdf manual download.
Please take the time to read through our customer’s feedback, we are a modern company on the internet, that believe in old fashioned values. Contract pricing and quantity discounts available on sangamo time switches, our contracts department can also aid in specification if needed. 29/05/2012 · Instructions on how to set the Sangamo Round Pattern Instructions on how to set the Sangamo Round Pattern Solar Dial, and one OFF (at sunrise or fixed time between 8.30pm and 1am
The Quartz range comes with a 100 hour battery reserve which is useful should there be a power failure. The day omit feature means you can skip any day of the week if necessary. There is also a manual override button for your convenience. The Sangamo Time Switch is a fit-and-forget time clock. Sangamo Q551.13 20amp 3pin Base 1xON 1xOFF Quartz Solar Dial Time Clock
Sangamo clocks for sale sangamo time clock: sangamo clocks I offer a mail only service but collection isГ‚ possible on this item from Hull Advertised postage is for main land UK only for Scottish Highlands or Islands, NI, SANGAMO MODEL S611 2 11 SOLAR TIME CLOCK 30A 20/25 . The Sangamo Round Pattern Time Switch (or RPTS) is well known for its quality and reliability. All models can switch up to 20A and are fully manufactured in the UK. The longevity of these timers is legendary, a recent survey found many lasting three, four and even five decades.
The Quartz range comes with a 100 hour battery reserve which is useful should there be a power failure. The day omit feature means you can skip any day of the week if necessary. There is also a manual override button for your convenience. The Sangamo Time Switch is a fit-and-forget time clock. These installation and user instructions cover all variants in the Sangamo S250 & Q550 series – a range of reliable and highly accurate 24-hour time switches which offer , according to model, up to 3 ON/OFF (6 changeover) operations during a 24-hour cycle, in versions which provide features such as selective omission of ON or OFF switching
Item Details. A vintage 1930’s round industrial wall clock made in Springfield, Illinois by the Sangamo company. The clock, which is electrified but in need of work, is desirable due to it’s industrial look with strong black Arabic numerals on a plain white face. These installation and user instructions cover all variants in the Sangamo S250 & Q550 series – a range of reliable and highly accurate 24-hour time switches which offer , according to model, up to 3 ON/OFF (6 changeover) operations during a 24-hour cycle, in versions which provide features such as selective omission of ON or OFF switching
ELECTRO-MECHANICAL ROUND PATTERN TIME SWITCH Installation and User Instructions Sangamo S250/Q550 Series, 24 hour and Solar Dial Time Switch. Installation and User Instructions. Before attempting to install the Sangamo Time Switch, please read these instructions carefully. 13/06/2013В В· They are currently controlled by a basic Sangamo mechanical time switch which has no options for daylight savings and has to be reset twice each year to correct the time but also to alter the switch on time as the evenings get lighter.
Sangamo Weston time switch Richard's Radios. Sangamo Time Clock Instructions >>>CLICK HERE<<< Find your discontinued & obsolete user manuals & instructions or replacement Sangamo models. SANGAMO TIMER TIME SWITCH S 251-13-173 20 AMPS 200/250 VOLTS 50 HZ DIAL SYNCHRONOUS TIME SWITCH TYPE S254/2/171 + INSTRUCTIONS. The Sangamo E7 can be surface or flush mounted. At the top of the, download Sangamo time clock manual. sangamo time eBay. Sangamo time clock manual sangamo history sangamo clocks, the history of sangamo electric clocks by les mcalister introduction although much could be written about, media in category "timers" sangamo solar time switch.jpg 235 г— 332; give instructions prior to a timed swim in a physical 130813-n-my805-004.jpg 4,288..
Sangamo How To Wire a Round Pattern Time Switch - YouTube. Sangamo have manufactured time clocks in the UK for over 90 years and at our current site in Port Glasgow, Renfrewshire since 1951., Many business ventures begin by coincidence or chance and the Sangamo Electric Clock was no exception. In researching the history of Sangamo clocks, the period of early January 1919 is pivotal, for that is when Fred (Fritz) Holtz was hired as Chief Engineer of the Sangamo Electric Company..
Hamilton-Sangamo Synchronous Motor Clock # S405 1930-31. The 11-jewel Type-B models have highly damasked plates and are considered the best movements ever made by Sangamo. The Type-C movement is Time-Only, but larger than the Type-A and is used only on clocks with a sub-seconds dial. Servicing a Sangamo Electrically Wound clock movement is broken down into 4 separate jobs. Servicing the Movement https://en.wikipedia.org/wiki/Sequence_of_events UK manufacturer of time clocks and heating controls, thermostats, immersion controllers & programmers since 1951. Home of the Round Pattern Time Switch..
Sangamo clocks for sale sangamo time clock: sangamo clocks I offer a mail only service but collection isГ‚ possible on this item from Hull Advertised postage is for main land UK only for Scottish Highlands or Islands, NI, SANGAMO MODEL S611 2 11 SOLAR TIME CLOCK 30A 20/25 . drive with self-wound clock-driven carryover, or hand-wound clock-drive, drives the chart to show the time at which the demand occurs and is entirely independent of the measuring element. Lincoln graphic "circular charts" (giving the Lincoln graphic meter its "cc" designation) are permanent, legible records of system conВ ditions.
Sangamo Q551.13 20amp 3pin Base 1xON 1xOFF Quartz Solar Dial Time Clock 16/10/2009В В· Sangamo round pattern "Quartz" time-switches contain a small re-charegable battery,which can easily be replaced. The clock won't work at all if the battery fails, even if the mains supply is healthy. I have changed lots in my time. Sangamo reckon they should last about 10 years.
My Sangamo Solar Dial Timer sudenly decided it had worked for long enough and stopped switching my lights on or off. Well after 30 years trouble free service what more could one say other than I had no hesitation whatsoever in immediatly replacing it with another Sangamo timer. The Sangamo Round Pattern Time Switch (or RPTS) is well known for its quality and reliability. All models can switch up to 20A and are fully manufactured in the UK. The longevity of these timers is legendary, a recent survey found many lasting three, four and even five decades.
View and Download Sangamo Suntracker manual online. Electronic Solar clock 1 channel over 7 days + programming key Electronic Solar clock 2 channels over 7 days + programming key. Suntracker Switch pdf manual download. Sangamo Weston S258 S259 S260 S261 etc. Several people have asked me about these time switches and as I have one complete with instructions I have decided to reproduce it here. For instruction leaflet click on links below: page1 page2 page3 page4. The mechanism has prongs which slide into sockets in the Bakelite housing.
13/06/2013 · Senior Engineer, Jim, explains the differing wiring set ups of our full range of electro-mechanical time clocks. Includes 3-pin, 4-pin and changeover time switches. This 'How To Video' Applies to These installation and user instructions cover all variants in the Sangamo S250 & Q550 series – a range of reliable and highly accurate 24-hour time switches which offer , according to model, up to 3 ON/OFF (6 changeover) operations during a 24-hour cycle, in versions which provide features such as selective omission of ON or OFF switching
03/09/2019В В· Them old sangamo things lol. There should be a pin protruding from the underside of the off arm which catches the off lever as it passes. When the clock gets to the off time the the pin releases the lever and it flicks back operating the contact off. Many business ventures begin by coincidence or chance and the Sangamo Electric Clock was no exception. In researching the history of Sangamo clocks, the period of early January 1919 is pivotal, for that is when Fred (Fritz) Holtz was hired as Chief Engineer of the Sangamo Electric Company.
Sangamo have been manufacturing time clocks in the UK for over 90 years. It is a name that is synonymous with reliability and quality, which is why organisations and individuals keep coming back to Sangamo for their control needs. Up for YourConsideration and Auction to the high bidder is a Vintage and Rare Hamilton-Sangamo Synchronous Motor Clock # S-405 ca. 1930-1931. This is a small tambour model, produced for only 9 months from August of 1930 to April of 1931.
UK manufacturer of time clocks and heating controls, thermostats, immersion controllers & programmers since 1951. Home of the Round Pattern Time Switch. ELECTRO-MECHANICAL ROUND PATTERN TIME SWITCH Installation and User Instructions Sangamo S250/Q550 Series, 24 hour and Solar Dial Time Switch. Installation and User Instructions. Before attempting to install the Sangamo Time Switch, please read these instructions carefully.
These installation and user instructions cover all variants in the Sangamo S250 & Q550 series – a range of reliable and highly accurate 24-hour time switches which offer , according to model, up to 3 ON/OFF (6 changeover) operations during a 24-hour cycle, in versions which provide features such as selective omission of ON or OFF switching Sangamo Weston S258 S259 S260 S261 etc. Several people have asked me about these time switches and as I have one complete with instructions I have decided to reproduce it here. For instruction leaflet click on links below: page1 page2 page3 page4. The mechanism has prongs which slide into sockets in the Bakelite housing.
My Sangamo Solar Dial Timer sudenly decided it had worked for long enough and stopped switching my lights on or off. Well after 30 years trouble free service what more could one say other than I had no hesitation whatsoever in immediatly replacing it with another Sangamo timer. be made at an earlier pre-set time on one day of the week. 2. To set day lever (E), slacken screw (S) and adjust lever until вЂU’ shaped portion is at appropriate day. 3. Set special hinged lever to the time required. See вЂSetting Standard 24 Hour Clock’. SERVICE AND WARRANTY Guarantee : As shown on product identification label.
The 11-jewel Type-B models have highly damasked plates and are considered the best movements ever made by Sangamo. The Type-C movement is Time-Only, but larger than the Type-A and is used only on clocks with a sub-seconds dial. Servicing a Sangamo Electrically Wound clock movement is broken down into 4 separate jobs. Servicing the Movement Sangamo Q551.13 20amp 3pin Base 1xON 1xOFF Quartz Solar Dial Time Clock
Sangamo How To Wire a Round Pattern Time Switch - YouTube. Sangamo Time Clock Instructions >>>CLICK HERE<<< Find your discontinued & obsolete user manuals & instructions or replacement Sangamo models. SANGAMO TIMER TIME SWITCH S 251-13-173 20 AMPS 200/250 VOLTS 50 HZ DIAL SYNCHRONOUS TIME SWITCH TYPE S254/2/171 + INSTRUCTIONS. The Sangamo E7 can be surface or flush mounted. At the top of the, R & B STAR Electrical Wholesalers. Account login Home В» Timeswitch В» Sangamo - Q551/13 - 3- pin Time Switch Solar Dial RPTS Sangamo - Q551/13 - 3- pin Time Switch Solar Dial RPTS. ВЈ183.04 (inc VAT) View all from: Sangamo. Part Number: Q551/13. Quantity. For Urgent Deliveries.
Sangamo datasheets time clocks. 16/10/2009В В· Sangamo round pattern "Quartz" time-switches contain a small re-charegable battery,which can easily be replaced. The clock won't work at all if the battery fails, even if the mains supply is healthy. I have changed lots in my time. Sangamo reckon they should last about 10 years., drive with self-wound clock-driven carryover, or hand-wound clock-drive, drives the chart to show the time at which the demand occurs and is entirely independent of the measuring element. Lincoln graphic "circular charts" (giving the Lincoln graphic meter its "cc" designation) are permanent, legible records of system conВ ditions..
Sangamo Q551 13 13 Quartz Solar Dial Time Clock 3 Pin. This Product is the Q551 13 13 - 54 degrees North - Please check where you live to see if this product is suitable. Sangamo Quartz7 Instructions. II - For flexible wiring use Knock-out D with Cable Clamp for a single element, Knock -out D and Knock-out E with Cable Clamps for two elements. 3 Mount base on wall
Sangamo Time Clock Instructions >>>CLICK HERE<<< Find your discontinued & obsolete user manuals & instructions or replacement Sangamo models. SANGAMO TIMER TIME SWITCH S 251-13-173 20 AMPS 200/250 VOLTS 50 HZ DIAL SYNCHRONOUS TIME SWITCH TYPE S254/2/171 + INSTRUCTIONS. The Sangamo E7 can be surface or flush mounted. At the top of the Suntracker DIN 72101 Two Module, Single Channel, Solar Time Switch A two module wide, single channel, general purpose astronomical timer that it is designed to control various loads (including LED lighting) automatically according to sunrise and sunset times. Examples
My Sangamo Solar Dial Timer sudenly decided it had worked for long enough and stopped switching my lights on or off. Well after 30 years trouble free service what more could one say other than I had no hesitation whatsoever in immediatly replacing it with another Sangamo timer. 29/05/2012В В· Instructions on how to set the Sangamo Round Pattern Instructions on how to set the Sangamo Round Pattern Solar Dial, and one OFF (at sunrise or fixed time between 8.30pm and 1am
The Quartz range comes with a 100 hour battery reserve which is useful should there be a power failure. The day omit feature means you can skip any day of the week if necessary. There is also a manual override button for your convenience. The Sangamo Time Switch is a fit-and-forget time clock. Buy this Sangamo S254 Commercial Timer, Standard 3-pin 20A Time Switch with 2 ON/OFF and 1 day off S254/2 online from Sparks Direct at our low price of ВЈ148.99. Archway, London UK.
R & B STAR Electrical Wholesalers. Account login Home В» Timeswitch В» Sangamo - Q551/13 - 3- pin Time Switch Solar Dial RPTS Sangamo - Q551/13 - 3- pin Time Switch Solar Dial RPTS. ВЈ183.04 (inc VAT) View all from: Sangamo. Part Number: Q551/13. Quantity. For Urgent Deliveries be made at an earlier pre-set time on one day of the week. 2. To set day lever (E), slacken screw (S) and adjust lever until вЂU’ shaped portion is at appropriate day. 3. Set special hinged lever to the time required. See вЂSetting Standard 24 Hour Clock’. SERVICE AND WARRANTY Guarantee : As shown on product identification label.
Sangamo have been manufacturing time clocks in the UK for over 90 years. It is a name that is synonymous with reliability and quality, which is why organisations and individuals keep coming back to Sangamo for their control needs. Many business ventures begin by coincidence or chance and the Sangamo Electric Clock was no exception. In researching the history of Sangamo clocks, the period of early January 1919 is pivotal, for that is when Fred (Fritz) Holtz was hired as Chief Engineer of the Sangamo Electric Company.
be made at an earlier pre-set time on one day of the week. 2. To set day lever (E), slacken screw (S) and adjust lever until вЂU’ shaped portion is at appropriate day. 3. Set special hinged lever to the time required. See вЂSetting Standard 24 Hour Clock’. SERVICE AND WARRANTY Guarantee : As shown on product identification label. Up for YourConsideration and Auction to the high bidder is a Vintage and Rare Hamilton-Sangamo Synchronous Motor Clock # S-405 ca. 1930-1931. This is a small tambour model, produced for only 9 months from August of 1930 to April of 1931.
13/06/2013 · Senior Engineer, Jim, explains the differing wiring set ups of our full range of electro-mechanical time clocks. Includes 3-pin, 4-pin and changeover time switches. This 'How To Video' Applies to These installation and user instructions cover all variants in the Sangamo S250 & Q550 series – a range of reliable and highly accurate 24-hour time switches which offer , according to model, up to 3 ON/OFF (6 changeover) operations during a 24-hour cycle, in versions which provide features such as selective omission of ON or OFF switching
UK manufacturer of time clocks and heating controls, thermostats, immersion controllers & programmers since 1951. Home of the Round Pattern Time Switch. download Sangamo time clock manual. sangamo time eBay. Sangamo time clock manual sangamo history sangamo clocks, the history of sangamo electric clocks by les mcalister introduction although much could be written about, media in category "timers" sangamo solar time switch.jpg 235 г— 332; give instructions prior to a timed swim in a physical 130813-n-my805-004.jpg 4,288.
Sangamo Q551.13 20amp 3pin Base 1xON 1xOFF Quartz Solar Dial Time Clock download Sangamo time clock manual. sangamo time eBay. Sangamo time clock manual sangamo history sangamo clocks, the history of sangamo electric clocks by les mcalister introduction although much could be written about, media in category "timers" sangamo solar time switch.jpg 235 г— 332; give instructions prior to a timed swim in a physical 130813-n-my805-004.jpg 4,288.
Hamilton-Sangamo Synchronous Motor Clock # S405 1930-31. My Sangamo Solar Dial Timer sudenly decided it had worked for long enough and stopped switching my lights on or off. Well after 30 years trouble free service what more could one say other than I had no hesitation whatsoever in immediatly replacing it with another Sangamo timer., Buy this Sangamo S254 Commercial Timer, Standard 3-pin 20A Time Switch with 2 ON/OFF and 1 day off S254/2 online from Sparks Direct at our low price of ВЈ148.99. Archway, London UK..
Sangamo time switch for sale BRAND NEW. 29/05/2012В В· Instructions on how to set the Sangamo Round Pattern Instructions on how to set the Sangamo Round Pattern Solar Dial, and one OFF (at sunrise or fixed time between 8.30pm and 1am https://en.wikipedia.org/wiki/Sequence_of_events 11/11/2018В В· I have a client who has one of the below, I have never worked on one. He states that it is not switching on the lights although the emergency light part of the lighting is apparently being charged, he has re set the timer etc. Does anyone work on these a lot and is there any quick solutions or....
download Sangamo time clock manual. sangamo time eBay. Sangamo time clock manual sangamo history sangamo clocks, the history of sangamo electric clocks by les mcalister introduction although much could be written about, media in category "timers" sangamo solar time switch.jpg 235 г— 332; give instructions prior to a timed swim in a physical 130813-n-my805-004.jpg 4,288. Sangamo. S254-2-171 SANGAMO. Sangamo S254-2-171 Electrc Mechanical Time Switch 24Hour Day Omit 20Amp 3 Pin
Suntracker DIN 72101 Two Module, Single Channel, Solar Time Switch A two module wide, single channel, general purpose astronomical timer that it is designed to control various loads (including LED lighting) automatically according to sunrise and sunset times. Examples 16/10/2009В В· Sangamo round pattern "Quartz" time-switches contain a small re-charegable battery,which can easily be replaced. The clock won't work at all if the battery fails, even if the mains supply is healthy. I have changed lots in my time. Sangamo reckon they should last about 10 years.
Sangamo. S254-2-171 SANGAMO. Sangamo S254-2-171 Electrc Mechanical Time Switch 24Hour Day Omit 20Amp 3 Pin Up for YourConsideration and Auction to the high bidder is a Vintage and Rare Hamilton-Sangamo Synchronous Motor Clock # S-405 ca. 1930-1931. This is a small tambour model, produced for only 9 months from August of 1930 to April of 1931.
Buy this Sangamo RPTS Q550.13 Solar Time Switch, Quartz Commercial Solar Dial Switch 3 Pin Q55013 online from Sparks Direct at our low price of £170.59. Archway, London UK. Sangamo Time Switch, Introduction These installation and user instructions cover ALL SOLAR VARIANTS in the S250 & Q550 series – a range of reliable and highly accurate 24-hour solar dial time switches which offer, according to the winter/summer clock changes to be uniform during the year. March – Move time setting back, ie 24
ELECTRO-MECHANICAL ROUND PATTERN TIME SWITCH Installation and User Instructions Sangamo S250/Q550 Series, 24 hour and Solar Dial Time Switch. Installation and User Instructions. Before attempting to install the Sangamo Time Switch, please read these instructions carefully. Sangamo clocks for sale sangamo time clock: sangamo clocks I offer a mail only service but collection isГ‚ possible on this item from Hull Advertised postage is for main land UK only for Scottish Highlands or Islands, NI, SANGAMO MODEL S611 2 11 SOLAR TIME CLOCK 30A 20/25 .
After 20 odd years of perfect service my Sangamo Q551 solar time switch started to lose time then stop. A Google search quickly found the excellent Sangamo website. All the help needed was there, and it made clear, that when the 100hr reserve battery depletes, the time clock motor will stop. The battery should last 8-10 years mine was 20+. Instructions for the Sangamo Suntracker. Postcode AB AL B BA BB BD BH BL BN BR BS BT CA CB CF CH CM CO CR CT CV CW DA DD DE DG DH DL DN DT DY EH EN EX FK FY G …
My Sangamo Solar Dial Timer sudenly decided it had worked for long enough and stopped switching my lights on or off. Well after 30 years trouble free service what more could one say other than I had no hesitation whatsoever in immediatly replacing it with another Sangamo timer. ELECTRO-MECHANICAL ROUND PATTERN TIME SWITCH Installation and User Instructions Sangamo S250/Q550 Series, 24 hour and Solar Dial Time Switch. Installation and User Instructions. Before attempting to install the Sangamo Time Switch, please read these instructions carefully.
Sangamo Timer - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Scribd es red social de lectura y publicación más importante del mundo. Buscar Buscar. Cerrar sugerencias. Cargar. es Change Language Cambiar idioma. Iniciar sesión. Unirse. Más información sobre la … Sangamo clocks for sale sangamo time clock: sangamo clocks I offer a mail only service but collection is possible on this item from Hull Advertised postage is for main land UK only for Scottish Highlands or Islands, NI, SANGAMO MODEL S611 2 11 SOLAR TIME CLOCK 30A 20/25 .
R & B STAR Electrical Wholesalers. Account login Home В» Timeswitch В» Sangamo - Q551/13 - 3- pin Time Switch Solar Dial RPTS Sangamo - Q551/13 - 3- pin Time Switch Solar Dial RPTS. ВЈ183.04 (inc VAT) View all from: Sangamo. Part Number: Q551/13. Quantity. For Urgent Deliveries Suntracker DIN 72101 Two Module, Single Channel, Solar Time Switch A two module wide, single channel, general purpose astronomical timer that it is designed to control various loads (including LED lighting) automatically according to sunrise and sunset times. Examples
After 20 odd years of perfect service my Sangamo Q551 solar time switch started to lose time then stop. A Google search quickly found the excellent Sangamo website. All the help needed was there, and it made clear, that when the 100hr reserve battery depletes, the time clock motor will stop. The battery should last 8-10 years mine was 20+. The Sangamo Round Pattern Time Switch (or RPTS) is well known for its quality and reliability. All models can switch up to 20A and are fully manufactured in the UK. The longevity of these timers is legendary, a recent survey found many lasting three, four and even five decades.
ELECTRO-MECHANICAL ROUND PATTERN TIME SWITCH Installation and User Instructions Sangamo S250/Q550 Series, 24 hour and Solar Dial Time Switch. Installation and User Instructions. Before attempting to install the Sangamo Time Switch, please read these instructions carefully. UK manufacturer of time clocks and heating controls, thermostats, immersion controllers & programmers since 1951. Home of the Round Pattern Time Switch.