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Preface This is the second edition of CSA C656, Performance standard for split-system and single-package central air conditioners and heat pumps. It supersedes the previous edition, published in 1992 under the title Performance Standard for Single P

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1. Scope This standard applies to package furnaces. For the purpose of this standard, a package furnace is a gas-fired, warm-air furnace wi th an input rate exceeding 400,000 Btu per hour (117.2 kW) for installation in commercial or industrial structur

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CAN1-3.1-77 (R2001) Industrial and Commercial Gas-Fired Package Boilers 现行 发布日期 :  1970-01-01 实施日期 : 

This PDF includes Amendments #1-14. 1. Scope 1.1 These requirements apply to natural and propane gas-fired packaged boilers. 1.2 The requirements in Part (A) of this Standard apply to package boilers, fire and water tube, steam and hot water, h

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