{"id":20875,"date":"2023-11-13T20:22:27","date_gmt":"2023-11-13T20:22:27","guid":{"rendered":"https:\/\/hvacrheritage.ca\/?post_type=cpt_portfolio&#038;p=20875"},"modified":"2023-11-13T20:22:28","modified_gmt":"2023-11-13T20:22:28","slug":"control-and-switch-panel","status":"publish","type":"cpt_portfolio","link":"https:\/\/hvacrheritage.dnmstaging.ca\/fr\/portfolio\/control-and-switch-panel\/","title":{"rendered":"Control and switch panel"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Pressure Atomizing Oil Burner Equipment and Systems \u2013 Fuel Flow and Combustion Controls<\/h3>\n\n\n\n<p>An 1920\u2019s, field assembled electrical control and switch panel for oil fired, home heating systems, equipped with Time-O-Stat, Locksmith control [See ID# 230] and Square D, fused, manual, safety, disconnect switch, mounted on handmade pine panel board with walnut finish and fire protective covering; an icon of its times reflecting something of the trade practices and public expectations of the period, as well as the attention given to public safety, Circa 1929.<\/p>\n\n\n\n<p><strong>Technical Significance:<\/strong><br>\u2013 The panel board is an icon of its time, reflecting something of electric trade practices and public expectations for craftsmanship in the early years of the 20th century, an embryonic period in the electrification of Canadian homes and the installation of electric equipment.<br>\u2013 The attention to styling and detail in the construction of the panel reflected the culture of the day. While relatively crude in construction it reflected the expectation for craftsmanship of the period, including mitred corners, finishing mouldings and furniture style walnut finish<br>\u2013 Here evidence of what might be seen as \u201cover design\u201d is every where evident. And for good reason, the public were fascinated but nervous about new unfamiliar technology in the home, especially electrical equipment that operated automatically, without the touch of human hand.<br>\u2013 The danger of fire and electrocution were matters of public concern. The robustly designed equipment, the evidence of government certification and equipment testing standards, as well as evidence of competent field practices and craftsmanship were intended to demonstrate due care, caution and respect in the public good.<br>\u2013 With the \u201cLocksmith\u201d system, compact and elegant in concept, design and construction by Time-O-Stat Controls Co. would introduce a new generation of advanced engineered combustion safety controls [c.f., ID # 226 and 227] and take over acknowledged leadership in the field of automatic oil heating for the Canadian home.<br>\u2013 The heavy steel encased, fused \u201csafety\u201d, disconnect switch, mounted on fire proofed panel was designed to give the customer a feeling of perfect confidence that all possible steps had been taken for the safety of the household<br>\u2013 Approved field practice, enforced by electrical inspectors, required that such panel boards be installed at the entrance to the furnace or boiler room within easy reach, allowing the homeowner full control and access, in order to shut down the system manually in the case of emergency.<br>\u2013 These embryonic, electric automated systems were representative of the earliest introduction of complex systems into the Canadian home. See Note #2<\/p>\n\n\n\n<p><strong>Industrial Significance:<\/strong><br>\u2013 Absolute Con-Tac-Tor Corp., later Time-O-Stat Controls Co., would launch a new generation of combustion control and safety technology with their \u201cLocksmith\u201d system. Compact and elegant in concept, design and construction it would prove to be the market leader. Later Time-O-Stat would be bought out by Honeywell to carry on in the position of widely acknowledged industry leader in HVACR automation and control<br>\u2013 Time-O-Stat Lockswitch and Stack Switch technology was widely used on both mechanical atomizing [See collection display item H2] and pressure atomizing [See collection display item H4] automatic oil heating systems in Canada throughout the early years of the industry.<br>\u2013 These control systems were a source of wonderment and no little fear for the Canadian public, as well as for many of the tradesmen who were called upon to understand, install and repair them, as well as to advise the homeowner on their proper, satisfactory operation.<br>\u2013 Absolute Con-Tac-Tor Corp., later Time-O-Stat Controls Co., would be among the first technology suppliers to the HVACR field, who understanding the increasing complexity of their automation technology, would provide service, installation and logic, trouble shooting guides.<\/p>","protected":false},"excerpt":{"rendered":"<p>An 1920\u2019s, field assembled electrical control and switch panel for oil fired, home heating systems, equipped with Time-O-Stat, Locksmith control [See ID# 230] and Square D, fused, manual, safety, disconnect switch, mounted on handmade pine panel board with walnut finish and fire protective covering; an icon of its times reflecting something of the trade practices and public expectations of the period, as well as the attention given to public safety, Circa 1929.<\/p>","protected":false},"author":1,"featured_media":20876,"comment_status":"closed","ping_status":"closed","template":"","cpt_portfolio_group":[209,206],"class_list":["post-20875","cpt_portfolio","type-cpt_portfolio","status-publish","has-post-thumbnail","hentry","cpt_portfolio_group-heating","cpt_portfolio_group-residential"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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