Burnham ES2 User Manual

©2012U.S.BoilerCompany,Inc.-Lancaster,PA
Phone:1-888-432-8887
PrintedintheU.S.A.
FormNo.HYDL09081-15ms
www.usboiler.net
ES2 Dimensions & Connections
Model
Dimensions (inches) Connections (inches)
Water
Content
(gal.)Width Height Depth Supply Return
Gas
Valve
Relief
Valve
ES2-3 12-3/4 41 33 1-1/4 1-1/4 1/2 3/4 2
ES2-4 15-1/2 41 33 1-1/4 1-1/4 1/2 3/4 3
ES2-5 18-1/2 41 33 1-1/4 1-1/4 1/2 3/4 4
ES2-6 21-1/2 41 33 1-1/4 1-1/4 1/2 3/4 5
ES2-7 24-3/4 41 33 1-1/4 1-1/4 3/4 3/4 6
ES2-8 24-3/4 41 33 1-1/4 1-1/4 3/4 3/4 7
ES2-9 30-3/4 41 33 1-1/4 1-1/4 3/4 3/4 8
*Addsuffix“N”fornaturalgas,orsuffix“L”forLPgasmodels
 Allmodelscertifiedforusefromsealevelto10,000feetinelevation.Outputsarereducedby2%per1,000feetin
 elevationsfrom5,000to10,000feet.
 AllES2sareshippedwith30psireliefvalves,MAWPis50psi.
64”
FLOOR
LINE
23”**
41”
4”
“W” 1”
40”
FLUE
34”
ELECTRICAL
27”
SUPPLY
18”
GAS
15”
RETURN
FLOOR
LINE
0”
0”
13”
24”
29”
31”
4”
43”
6”
VENTILATION AIR
INLET OPENINGS***
12”
MAX
12”
MAX
6” MIN*
NOTES:
Caution: chimney, liner, and vent connector must meet requirements specied by manufacturer’s installation instructions
* Minimal radial distance around vent pipe and breeching
** Add height required to maintain 6” clearance from all breeching components
*** Area of each opening 1 sq. inch for each 1,000 BTUH input - with minimum of 100 sq. inches. Height of opening should be half the width.
ES2: Technical Information
ES2 Ratings & Specications
Model AFUE%
Input
(MBH)
DOE
Heating
Capacity
(MBH)
Net AHRI
(MBH)
Vent Size
(Inches)
Approx.
Shipping
Weight.
(lbs.)
ES2-3 85 70 59 51 4 254
ES2-4 85 105 89 77 5 301
ES2-5 85 140 119 103 6 353
ES2-6 85 175 149 130 6 405
ES2-7 85 210 178 155 7 464
ES2-8 84 245 208 181 7 514
ES2-9 84 280 208 207 8 564
Standard Equipment
• Insulatedsleek,modernjacket
• Integrateddraftdiverter,damperandconnectorincluded
• Heavygauge1”and1-1/2”baseinsulation
• IntelligentHydronicControl–Simpleself-diagnostic 
 controlsystemwith3-digitreadoutforstatussettings
 anderrors
• IQOptionPanel,acceptsplug&playIQOptionCardsfor
 –OutdoorresetwithDHWpriority
 –Autoormanualresetlowwatercutoff
 –Autoormanualauxilliaryhighlimit
• Step-openingredundantgasvalve
• Stainlesssteelfluebaffles
• 110°Fminimumreturntemperaturerating
• Sparkignitionwithcontinuousretry
• User-friendlywiringwith120VJ-box
• Taco007circulatorwithpipingwithwiringharness
• Castironsectionassembly
• Resettableblockedventswitch
• Boilerdrainvalve
• Castironsupplymanifoldwithsafetyreliefvalvetapping
A
S
M
E
H

Burnham ES2 Specifications

General

Fuel Type	Natural Gas or Propane
Ignition System	Electronic
Heat Exchanger Material	Cast Iron
Input MBH	140-280
Control Type	Electronic
Warranty	Limited Lifetime
Input BTU	80, 000 - 280, 000 BTU/hr (depending on model)
Water Content	Varies by model
Vent Size	Varies by model, consult product literature
Dimensions	Varies by model
Weight	Varies by model