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Burnham Apex APX399 User Manual

Burnham Apex APX399
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10
I. Product Description, Specications and Dimensional Data (continued)
Table 2A: Rating Data - Models APX399, APX500 and APX800 (0 to 5000 Feet Elevation Above Sea Level)
Table 2B: Rating Data - Models APX399, APX500 and APX800 (5001 to 10000 Feet Elevation Above Sea Level)
Apex Series Gas-Fired Boilers
Model
Number
Input (MBH)
* Output
(MBH)
Net AHRI
Ratings Water
(MBH)
Thermal
Efciency
(%)
Combustion
Efciency (%)
Boiler Water
Volume (Gal.)
Heat Transfer
Area
(Sq. Ft.)
Min. Max.
APX399 80 399 375 326 94.1 94.5 3.4 41.8
APX500 100 500 475 413 95.0 95.0 4.2 50.8
APX800 160 800 760 661 95.0 93.0 5.0 65.3
Notes: * Gross Output
Maximum Allowable Working Pressure, Water - 160 PSI
Safety Relief Valve Pressure, Water - 50 PSI Shipped from Factory (std.) (APX399 and APX500); 60 PSI Shipped from
Factory (std.) (APX800); 80 PSI and 100 PSI - optional (APX399, APX500 and APX800)
Maximum Allowable Temperature, Water - 210°F
APX399 and APX500 Boiler models are factory shipped as Natural Gas builds and have to be eld adjusted for LP
gas application. Refer to ‘System Start- Up Section of this manual for detailed procedure.
APX800 Boiler Model is factory shipped as either Natural Gas build or LP gas build.
Ratings shown are for installations at sea level and elevations up to 2000 Feet. For elevations above 2000 Feet,
ratings should be reduced at the rate of two and half percent (2.5%) for each 1000 Feet above sea level.
Apex Series Gas-Fired Boilers
Model
Number
Input (MBH)
* Output
(MBH)
Net AHRI
Ratings
Water (MBH)
Thermal
Efciency
(%)
Combustion
Efciency (%)
Boiler Water
Volume
(Gal.)
Heat Transfer
Area
(Sq. Ft.)
Min. Max.
APX399 80 399 375 328 94.1 94.5 3.4 41.8
APX500 167 500 475 413 95.0 95.0 4.2 50.8
APX800 267 800 760 661 95.0 93.0 5.0 65.3
Notes: * Gross Output
Maximum Allowable Working Pressure, Water - 160 PSI
Safety Relief Valve Pressure, Water - 50 PSI Shipped from Factory (std.) (APX399 and APX500); 60 PSI Shipped from
Factory (std.) (APX800); 80 PSI and 100 PSI - optional (APX399, APX500 and APX800)
Maximum Allowable Temperature, Water - 210°F
APX399 and APX500 Boiler models are factory shipped as Natural Gas builds and have to be eld adjusted for LP
gas application. Refer to ‘System Start- Up Section of this manual for detailed procedure.
APX800 Boiler Model is factory shipped as either Natural Gas build or LP gas build.
Ratings shown are for installations at sea level and elevations up to 2000 Feet. For elevations above 2000 Feet,
ratings should be reduced at the rate of two and half percent (2.5%) for each 1000 Feet above sea level.
II. Unpacking Boiler
CAUTION
Do not drop boiler.
A. Move boiler to approximate installed position.
B. Remove all crate fasteners.
C. Lift and remove outside container.
D. Remove boiler from cardboard positioning sleeve on
shipping skid.
WARNING
Installation of this boiler should be undertaken
only by trained and skilled personnel from a
qualied service agency.
E. Move boiler to its permanent location.

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Burnham Apex APX399 Specifications

General IconGeneral
BrandBurnham
ModelApex APX399
CategoryBoiler
LanguageEnglish

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