Install Instructions

Page 6
Consult the rating plate on the unit. The following
information describes the model number structure.
1.B Introduction
1.C Warranty
Model Nomenclature
1.D Model Number and Nomenclature
1C. Model Number and Nomenclature
The rating plate on the side of your Mini-Therm shows your Model Number. The original characteristics of
your unit can be identified using this nomenclature from your Model Number.
0 1 2 3 4 5 6 7
8
9 10
SIZE
0
5
0
0
7
5
1
0
0
1
2
5
1
5
0
2
0
0
Table 1. Nomenclature.
BJX = Mini-Therm Series
3 RD thru 5th Characters (Size) Input MBTU / HR
6th Character (fuel)
N = Natural Gas
7th Configuration
X
N
X
L
P
U
1
LAARS Heating Systems
The Laars Mini-Therm JX boilers are covered by a
limited warranty. The owner should complete the
warranty registration online by going to www.Laars.
com. and selecting the ‘Support’ pull-down to nd the
new product warranty registration form.
All warranty claims must be made to an authorized
Laars representative or directly to the factory. Claims
must include the boiler serial number and model
(this information can be found on the rating plate),
installation date, and name of the installer. Shipping
costs are not included in the warranty coverage.
Some accessory items are shipped in separate
packages. Verify receipt of all packages listed on
the packing slip. Inspect everything for damage
immediately upon delivery, and advise the carrier of
any shortages or damage. Any such claims should
be led with the carrier. The carrier, not the shipper,
is responsible for shortages and damage to the
shipment whether visible or concealed.
The warranty does not cover damage caused by
improper assembly installation, operation or eld
modication.
This manual provides information necessary for the
installation, operation, and maintenance of the LAARS
Heating Systems Mini-Therm JX. Read it carefully
before starting the 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.
1st, 2nd Characters (Series Name)
JX = Mini-Therm JX
3rd thru 5th Characters (Size)
Input MBTU / H
6th Character (fuel)
N = Natural Gas
7th Character (Cong)
X = Standard 50-100
L = Standard 125-200
(Low Loss Header & Pump Installed)
P = 50-100 with Pump Kit
8th Character (Altitude in Feet)
X = (0 - 2,000)
H = (2,001 - 5,000)
I = (5,001 - 8,000)
9th Character (Country)
U = USA & Canada
10th Character (Revision)
1 = 1st Revision
J
MODEL
MINITHERM JX