BOILER BOOK CFC-E
ENGINEERING DATA
36
Figure 28. Two Opening Ducted Method
C. One Opening Method (Figure 29) - One permanent opening, commencing within 12 inches
of the top of the enclosure, shall be provided.
1. The equipment shall have clearances of at least 1 inch from the sides and back and 6
inches from the front of the appliance.
2. The opening shall directly communicate with the outdoors and shall have a minimum free
area of 1 square inch per 3000 BTU's per hour of the total input rating of all equipment
located in the enclosure, and not less than the sum of the areas of all vent connectors in
the confined space.
3. Refer to the NFGC, Section 8.3 for additional information.
Summary of Contents for CFC-E 1000
Page 1: ...CFC E ClearFire Condensing Boiler Boiler Book 02 2018...
Page 52: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 52 Figure 38 Primary Secondary Single Boiler...
Page 53: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 53 Figure 39 Primary Secondary Two Boilers...
Page 54: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 54 Figure 40 Primary Secondary Three Boilers...
Page 55: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 55 Figure 41 Primary Variable Flow Single Boiler...
Page 56: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 56 Figure 42 Primary Variable Flow Two Boilers...
Page 57: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 57 Figure 43 Primary Variable Flow Three Boilers...
Page 60: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 60...
Page 61: ...BOILER BOOK CFC E e mail info cleaverbrooks com Web Address http www cleaverbrooks com...
