CSA 4.9 : 2017
Current
The latest, up-to-date edition.
GAS-FIRED LOW PRESSURE STEAM AND HOT WATER BOILERS
Hardcopy , PDF
English
01-02-2018
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Preface
1 Scope
2 Reference publications
3 Definitions
4 Construction
5 Performance
6 Manufacturing and production tests
7 Items unique to Canada
Annex A - Outline of lighting instructions for appliances
equipped with continuous pilots
Annex B - Outline of operating instructions for appliances
equipped with intermittent pilot or interrupted
pilot systems
Annex C - Outline of operating instructions for appliances
equipped with direct ignition systems
Annex D - Flue loss calculations
Annex E - (Optional) Provisions for listed gas appliance
conversion kits
Annex F - Pertinent references to ANSI Y14.15
Annex G - Wire color designations
Annex H - Recommended wire color usage
Annex I - Preferred graphic symbols of commonly used
items, extracted from standard ANSI/IEEE 315,
Graphic symbols for electrical and electronics
diagrams, and abbreviations for these items
Annex J - Sample failure modes and effects analysis
for component miswiring
Annex K - Table of conversion factors
Pertains to newly produced gas-fired low-pressure steam and hot water boilers with gas inlet pressure ratings not exceeding 0.5 psi (3.5 kPa) and having input ratings of less than 12,500,000 Btu/hr (3663389 W), hereinafter referred to as boilers, constructed entirely of new unused parts and materials.
| DevelopmentNote |
Also numbered as ANSI Z21.13 (06/2001) Supersedes CGA 4.9. (06/2008) Effective in Canada December 1, 2018. (02/2018)
|
| DocumentType |
Standard
|
| Pages |
215
|
| PublisherName |
Canadian Standards Association
|
| Status |
Current
|
| Supersedes |
| CSA C22.2 No. 49 : 2014 | FLEXIBLE CORDS AND CABLES |
| CSA B51 : 2014 | BOILER, PRESSURE VESSEL, AND PRESSURE PIPING CODE |
| CSA C22.2 No. 77 : 2014 | MOTORS WITH INHERENT OVERHEATING PROTECTION |
| CSA 6.5 : 2015 | AUTOMATIC VALVES FOR GAS APPLIANCES |
| ASTM F 441/F441M : 2015 : REDLINE | Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and 80 |
| CSA C22.2 No. 24 : 2015 | TEMPERATURE-INDICATING AND -REGULATING EQUIPMENT |
| CSA 2.17-2017 | Gas-fired appliances for use at high altitudes |
| IEEE/ASTM SI_10-2010 | American National Standard for Metric Practice |
| IEEE 315 : 1975 | GRAPHIC SYMBOLS FOR ELECTRICAL AND ELECTRONICS DIAGRAMS (INCLUDING REFERENCE DESIGNATION LETTERS) |
| CSA C22.2 No. 239 : 2017 | CONTROL AND INSTRUMENTATION CABLES |
| CSA C22.2 No. 0.15 : 2015 | ADHESIVE LABELS |
| NFPA 70 : 2017 | NATIONAL ELECTRICAL CODE |
| ASTM D 2241 : 2015 : REDLINE | Standard Specification for Poly(Vinyl Chloride) (PVC) Pressure-Rated Pipe (SDR Series) |
| CSA C22.2 No. 210 : 2015 | APPLIANCE WIRING MATERIAL PRODUCTS |
| ANSI C101.1 : 1992 | LEAKAGE CURRENT FOR APPLIANCES |
| ASTM D 2665 : 2014 : REDLINE | Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings |
| UL 13:4ED 2015-03-18 | Power-Limited Circuit Cables |
| NFPA 54 : 2018 | NATIONAL FUEL GAS CODE |
| ANSI Z223.1 : 2018 | NATIONAL FUEL GAS CODE |
| CGA 6.14 : 2015 | AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES |
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