Installation Procedure - Columbia MCB50 Installation, Operation & Maintenance Manual

!
Improper installation, adjustment, alteration,
service or maintenance can cause injury or
property damage.
1.
Installation must conform to the requirements of the
authority having jurisdiction or, in the absence of such
requirements, to the National Fuel Gas Code, ANSI
Z223.1/NFPA 54, and/or Natural Gas and Propane
Installation Code, CAN/CSA B149.1.
2.
Where required by the authority having jurisdiction, the
installation must conform to the Standard for Controls
and Safety Devices for Automatically fired Boilers,
ANSI/ASME CSD-1.
3.
This boiler series is classified as a Category I. Vent
installation shall be in accordance with "Venting of
Equipment ," of the National Fuel Gas Code, ANSI
Z223.1/NFPA 54, or "Venting Systems and Air Supply
for Appliances," of the Natural Gas and Propane
Installation Code, CAN/CSA B149.1, or applicable
provisions of the local building codes.
4.
This boiler has met safe lighting and other performance
criteria with gas manifold and control assembly on the
boiler per the latest revision of ANSI Z21.13/CGA 4.9.
5.
The boiler shall be installed such that the gas ignition
system components are protected from water
(dripping, spraying, rain, etc.) during appliance
operation and service, (circulator replacement,
condensate trap, control replacement, etc.).
6.
Locate boiler on level, solid base as near the chimney
as possible and centrally located with respect to the
heat distribution system as practical.
7.
Allow 24 inches (610mm) at front and right side for
servicing and cleaning.
8.
When installed in utility room, door should be wide
enough to allow largest boiler part to enter, or to
permit replacement of another appliance such as water
heater.

INSTALLATION PROCEDURE

WARNING
9.
FOR INSTALLATION ON NON-COMBUSTIBLE
FLOORS ONLY - For installation on combustible
flooring special base must be used. (See Replacement
Parts Section.) Boiler can not be installed 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 .............. 1/2 IN. (13mm)
NOTE: Greater clearances for access should supersede fire
protection clearances.
* Definition 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.
Minimum Clearances to Combustible
Construction (as seen from above)
9"
5
4"
3"
BOILER
18"