Section 2 — Installation
2-14 Part No. 750-263
E. BOILER ROOM
The boiler room must comply with all building codes and
regulations. An adequate supply of combustion air is required for
safe operation. If the optional direct vent combustion air kit (Figure
2-19) is not used, ventilation must be provided to meet applicable
regulations for air supply.
Notice
See Section 6, Parts, for part numbers for the Direct Vent
Combustion Air kits available.
CFC - Maximum Firing Rate vs. Glycol Concentration
70%
72%
74%
76%
78%
80%
82%
84%
86%
88%
90%
92%
94%
96%
98%
100%
25% 30% 35% 40% 50%
Glycol Content
Maximum Input Rate %
Max Firing Rate %
CFC - High Fire Speed Setting vs % Glycol
3400
3600
3800
4000
4200
4400
4600
4800
5000
5200
5400
25% 30% 35% 40% 50%
Glycol Content
High Fire Speed (RPM)
CFC-500/750/1000/1500 - HF RPM
CFC-1800 - HF RPM
CFC-2500 - HF RPM
!
Warning
The boiler must not be installed
on carpeting.
Figure 2-19 Air Inlet Extension
Fan/Blower
Venturi
Direct Vent Connection
Casing Support
Attachment
Flexible Connection
Adapter Flange
Gasket