Laars Mighty Stack MS-080, Operating Instructions Manual

Page: 3 / 36

Mighty Stack
Page 3
SECTION 1.
General Information
In the Commonwealth of Massachusetts, this
appliance must be installed by a licensed plumber or
gas fitter.
1.1 Introduction
This manual provides information necessary
for the installation, operation, and maintenance of
Laars Heating Systems’ Mighty Stack copper tube
appliances, sizes 199-399 MBTU/hr. Please read
carefully before installation.
All application and installation procedures
should be reviewed completely before proceeding with
the installation. Consult the Laars Heating Systems
factory, or local factory representative, with any issues
or questions regarding this equipment. Experience
has shown that most operating issues are caused by
improper installation.
The Mighty Stack appliance is protected against
over pressurization. A pressure relief valve is fitted to
the outlet header, at the water outlet of the boiler, and
another near the top of the tank.
IMPORTANT: The inlet gas pressure to the appliance
must not exceed 13 in. w.c. (3.2 kPa).
All installations must be made in accordance with:
1) In the U.S., the " National Fuel Gas Code "ANSI
Z223.1/NFPA54, Latest Edition and all applicable
local codes as required by the Authorities Having
Jurisdiction (AHJ), or
2) In Canada, the "Natural Gas and Propane
Installation Code", CSA B149.1, latest edition and all
applicable local codes as required by the AHJ.
All electrical wiring is to be done in accordance with:
1). In the U.S., the "National Electrical Code" (NEC),
ANSI/NFPA 70, latest Edition and all applicable local
codes as required by the AHJ, or
2). In Canada, the “Canadian Electrical Code - Part
1”, CSA STD. C22.1 and all applicable local codes as
required by the AHJ.
This appliance must be electrically grounded in
accordance with the applicable codes and standards
referenced above.
WARNING
To minimize the risk of electric shock, fire or other
hazards which could result in property damage,
injury, or death. The Mighty Stack hydronic,
water heater or water heater must be installed in
accordance with the procedures detailed in this
manual, or the Laars Heating Systems warranty
may be voided. The installation must conform to
the requirements of the local jurisdiction having
authority, and, in the United States, to the latest
edition of the National Fuel Gas Code, ANSI
Z223.1/NFPA54. In Canada, the installation must
conform to the latest edition of the Natural Gas
and Propane Installation Code, CSA B149.1 and/
or applicable local codes. Where required by
the authority having jurisdiction, the installation
of Mighty Stack appliances must conform to the
Standard for Controls and Safety Devices for
Automatically Fired Water heaters, ANSI/ASME
CSD-1. Any modifications to the water heater, its
gas controls, or wiring may void the warranty. If field
conditions require modifications, consult the factory
representative before initiating such modifications.
AVERTISSEMENT
Afin de réduire au minimum les risques de
commotion électrique, de feu ou d’autre nature,
qui pourraient causer des dommages matériels,
des blessures ou des accidents mortels, les
chaudières à eau chaude ou les chauffe-eau Mighty
Stack doivent être installés conformément aux
directives détaillées contenues dans ce manuel,
à défaut de quoi la garantie fournie par Laars
Heating Systems serait annulée. L’installation doit
être conforme aux exigences de la réglementation
locale en vigueur et, aux États-Unis, à l’édition
la plus récente du Natural Fuel Gas Code (Code
pour le gaz combustible naturel) ANSI Z223.1/
NFPA54. Au Canada, l’installation doit respecter
les exigences de la plus récente édition du Code
d’installation du gaz naturel et du propane CSA
B149.1, et/ou des codes locaux de construction en
vigueur. Lorsque la réglementation locale l’exige,
l’installation des appareils électroménagers Mighty
Stack doit respecter les exigences du Standard
for Controls and Safety Devices for Automatically
Fired Water heaters (Code pour les équipements
de commande et de sécurité des chaudières à
combustion automatique), ANSI/ASME CSD-
1. Toute modification apportée à la chaudière,
aux régulateurs de gaz ou au câblage, peut
compromettre la garantie. Si certaines conditions
particulières rendent des adaptations nécessaires,
consulter un représentant du fabricant avant
d’entreprendre ces modifications.