LAARS Mighty-Stack TL80-199 - Installation, Operation and Maintenance Instructions - Manual (Page 3)

Mighty Stack Water Heater Page 3
SECTION 1.
General Information
WARNING
To install this unit correctly, you must follow the
procedures listed in this manual. If you do not do
this, the warranty offered by Laars will be voided.
Follow the requirements of the local jurisdiction
which has authority over the installation. In the
United States, also follow the latest edition of the
National Fuel Gas Code, ANSI Z223.1/NFPA54.
In Canada, the installation must conform with
the latest edition of CAN/CGA B149.1 or .2
installation codes for gas burning appliances,
and/or local codes.
Where the recommendations made in this
manual are different from the national or local
codes, the national or local codes should take
precedence.
Do not make any changes to the water heater, or
to its gas controls, gas orifices, wiring or draft
inducer. Any modifications may void the warranty. If
the unit must be modified because of special
conditions, consult a factory representative before
beginning any changes.
1A. Introduction
This manual provides information necessary for
the installation, operation, and maintenance of the
Laars Mighty-Stack Model TL80 water heater. This
unit includes a blower for induced-draft venting, and
has an advanced hot-surface proven-pilot ignition
system.
The model designation is listed on the rating
plate, which is attached to the top of the water heater.
Please read all application and installation
procedures completely before doing the installation. If
you have any problems or questions regarding this
equipment, consult the Laars factory, or local factory
representative. Experience has shown that most
operating problems are caused by improper
installation.
1B. Warranty Information
The Laars Mighty-Stack Model TL80 water
heater is covered by a limited warranty. A copy of the
warranty is printed on the back cover of this manual.
The owner should fill out the warranty registration
card and return it to Laars.
All warranty claims must be made to an
authorized Laars representative or directly to the
factory. Claims must include the serial number and
model of the unit. (This information is listed on the
rating plate.) The claim must also include the
installation date and the name of the installer. Shipping
costs are not included in the warranty coverage.
1C. Unpacking
Some accessory items are shipped in separate
packages. Check to be sure you have received all of
the packages which are listed on the packing slip.
Inspect each item for damage immediately upon
delivery. If there are any shortages or damage, tell the
carrier right away. Any claims should be filed with the
carrier. The carrier, not the shipper, is responsible for
shortages and damage to the shipment whether the
damage is visible or concealed.
1D. Heater Identification
To identify the unit, see the rating plate. Here is
an explanation of the coding system:
1 2 3 4 5 6 7 8 9 10 11 12
T L 8 0 – 1 9 9 N or P S,H K C
or I or D
Table 1. Heater Identification.
1st to 4th characters – series name (TL80)
5th character – dash (–)
6th through 8th characters – input rate (BTU/hr) x 1000
9th character – fuel
N = natural gas
P = propane
10th character - altitude (feet)
S = 0-2000 for natural gas, 0-5000 for propane
H = 2001-5000 for natural gas
I = 5001-10,000 for natural gas and propane
11th character - Heat Exchanger Type
K = Copper
12th character - Pump Type
C = Wet Rotor (Taco)
D = Sealed Rotor (B&G)
1E. Dimensions
Figure 1 shows the dimensions of this unit.
1F. Identifying Important Components
Figure 2 shows the switches, sensors and control
components on this unit.
1G. Placing the Water Heater
This water heater is designed for indoor use
only. The enclosure is not designed for outdoor
installation.
1. Choose a convenient indoor location. Be sure
that any leaking water from the connections will
not damage the area near the appliance. If the
unit must be installed on an upper floor of a
multistory structure, ensure that any leaking