Laars Mighty Max VW Series, Installation, Operation And Maintenance Instructions

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Mighty Max Volume Water Heater
Page 3
SECTION 1.
General Information
1A. Introduction
This manual provides installation, operation, and
maintenance instructions for the Mighty Max Volume
Water Heater, Model VW, Sizes 320M, 400M, 520M,
625M, 775M, and 1000M. Review all application and
installation procedures completely before proceeding
with the installation. Consult the local factory
representative or Laars factory with any questions
regarding this equipment. Experience has shown that
most operating problems are caused by improper
installation. The VW heaters are offered in an indoor
version and an outdoor version (see Figure 1). Table 1
lists the input/output ratings for each heater size.
The indoor version is convertible for outdoor use
with the installation of a conversion kit (see Section 6,
Parts List, for part number).
1B. Warranty
The Mighty Max VW heaters are sold with a
limited factory warranty. Details are specified on the
back cover of this manual.
Make all warranty claims to an authorized Laars
representative or directly to the factory. Claims must
include the heater serial number and model number
(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. Inspect everything for damage immediately
upon delivery, and advise the transporter of any
shortages or damage. Any such claims should be filed
with the transporter. The transporter will not accept a
claim from the shipper, Laars.
The warranty does not cover damage caused by
improper installation, operation, or field modification.
1C. Technical Assistance
Consult the local factory representative or Laars
factory with any questions regarding the specification,
installation, and operation of Laars equipment. An
experienced technical support staff is ready to assist in
assuring the proper performance and application of
Laars products.
Heater Input Output
Size BTU/h kW BTU/h kW
320M 320,000 94 272,000 80
400M 399,000 117 339,150 99
520M 520,000 152 442,000 130
625M 625,000 183 531,250 156
775M 775,000 227 658,750 193
1000M 1,000,000 293 850,000 249
Table 1. Input/Output Ratings.
Figure 1. Mighty Max VW Heater Configuration.
INDOOR OUTDOOR
Front Side
(Water Connections)
Rear Side
(Opposite Water
Connections)