LAARS Mascot ll LMC - Install and Operating Manual - Manual (Page 4)

LAARS Heating Systems Page 2
SECTION 1.
General Information
1.1 Introduction
This manual provides information necessary for
the installation, operation, and maintenance of LAARS
Heating Systems Mascot II appliances. Read it 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 problems or
questions regarding this equipment. Experience has
shown that most operating problems are caused by
improper installation.
All installations must be made in accordance with
1) American National Standard Z223.1/NFPA54-Latest
Edition “National Fuel Gas Code” or 2) CSA B149.1
“Natural Gas and Propane Installation Code” and with
the requirement of the local utility or other authorities
having jurisdiction. Such applicable requirements take
precedence over the general instructions contained herein.
All electrical wiring is to be done in accordance
with the local codes, or in the absence of local codes,
with: 1) The National Electrical Code ANSI/NFPA No.
70-latest Edition, or 2) CSA STD. C22.1 “Canadian
Electrical Code - Part 1”. This appliance must be
electrically grounded in accordance with these codes.
WARNING
Mascot II units must be installed in accordance
with the procedures detailed in this manual, or the
LAARS Heating Systems warranty will 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 CSA
B149.1 Natural Gas and Propane Gas Installation
Code, and/or local codes. Where required by the
authority having jurisdiction, the installation of Mascot
II boilers must conform to the Standard for Controls
and Safety Devices for Automatically Fired Boilers,
ANSI/ASME CSD-1. Any modifications to the boiler, its
gas controls, or wiring may void the warranty. If field
conditions require modifications, consult the factory
representative before initiating such modifications.
1.3 Model Nomenclature
The Model Number is shown on your Rating
Plate and consists of a series of letters and numbers
(nomenclature) that further identifies the characteristics
of your Mascot II.
The following nomenclature identifies the
individual characters of your model number.
(1-2) Model Series Designation
L M = Mascot II
(3) Usage
H = Modulating Boiler
C = Combination Boiler and Water Heater
(4-6) Size
1 2 5 = 125,000 BTU/hr input
(7) Fuel
N = Natural Gas
P = LP Gas
(8) Altitude
A = 0-10,000 Feet
(9) Revision
1 = First version
(10) Options Code
X = No Options
(11) Pump Options
X = No Pump
(12) Regulatory Designation
B = Internal Use
Model Nomenclature
1 2 3 4 5 6 7 8 9 10 11
L M 1 2 5 A 1 X X
SERIES
L M
USAGE
H - HYDRONIC
C - COMBI
UNIT
SIZE
MBTU/h
1 2 5
FUEL
N - NATURAL
P - PROPANE
ALTITUDE
A - 0-10,000 FEET
REVISION
1 - FIRST
OPTIONS
X - NONE
PUMP
X - NONE
REG DESIGNATION
B - INTERNAL USE
B
12
1.2 Rating Plate
The Rating Plate contains Manufacture Date, Model
Number, Serial Number, Output Rating, and all other
information pertaining to your Mascot II. The Rating
Plate is located behind the center panel which will not
open until the lower front panel is opened first.
To open the Mascot II, first loosen the two phillips
screws ( see Figure 1A ) and then open the front bottom
panel downward. The center front panel will then also
open downward, revealing the Rating Plate.
1.4 Start Up / Shut Down Instructions (Decal)
The Start Up / Shut Down Instruction (Decal) can be
found on the back of the Top Panel ( see Figure 1A ).
This Decal is also referred to as the Operating Instructions
Label and/or Warning Label.