Installation Procedure - Columbia MCB-50J Installation, Operation & Maintenance Manual

Mcb series ii cast iron gas fired boilers for forced hot water
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WARNING
!
Improper installation, adjustment, alteration, service
or maintenance could result in death or serious
injury
.
Installation must conform to the requirements of the
1.
authority having jurisdiction or, in the absence of such
requirements, to the National Fuel Gas Code, ANSI
Z223.1/NFPA 54.
Where required by the authority having jurisdiction, the
2.
installation must conform to the Standard for Controls
and Safety Devices for Automatically fi red Boilers,
ANSI/ASME CSD-1.
Boiler series is classifi ed as a Category I. Vent
3.
installation shall be in accordance with "Venting of
Equipment ," of the National Fuel Gas Code, ANSI
Z223.1/NFPA 54 or applicable provisions of the local
building codes.
Boiler has met safe lighting and other performance
4.
criteria with the gas manifold and control assembly on
the boiler per the latest revision of ANSI Z21.13/CGA
4.9.
Install boiler such that gas ignition system components
5.
are protected from water (dripping, spraying, rain,
etc.) during appliance operation and service, (circulator
replacement, condensate trap, control replacement,
etc.).
Locate boiler on level, solid base as near chimney as
6.
possible and centrally located with respect to heat
distribution system as practical.
Allow 24 inches (610mm ) at front and right side for
7.
servicing and cleaning.
When installed in utility room, door should be wide
8.
enough to allow largest boiler part to enter, or to
permit replacement of another appliance such as water
heater.

2 - INSTALLATION PROCEDURE

Fire hazard. Do not install boiler on combustible
fl ooring or carpeting. Failure to follow these
instructions could result in death or serious injury.
9.
NOTE: Greater clearances for access should supersede fire
* Defi nition of Alcove is three sided space with no wall in
front of boiler. ANSI standard for alcove is 18 inches from
front of appliance to leading edge of side walls as shown
below.
5
WARNING
!
FOR INSTALLATION ON NON-COMBUSTIBLE FLOORS
ONLY - For installation on combustible fl ooring special
base must be used. (See Repair Parts, Optional Kits
Manual). Do not install boiler on carpeting. Minimum
clearances to combustible construction are:
TOP ....................................18 IN. (457mm)
FRONT .........................................ALCOVE *
FLUE CONNECTOR ................. 6 IN. (152mm)
REAR ................................... 4 IN. (102mm)
CONTROL SIDE ..................... 9 IN. (229mm)
OTHER SIDE ........................... 3 IN. (76mm)
HOT WATER PIPING ................. 2 IN. (51mm)
protection clearances.
Minimum Clearances to Combustible
Construction (as seen from above)
4"
9"
BOILER
Front
3"
18"

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