Lochinvar EB-300 User Manual

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EFFICIENCY+® BOILER PRODUCT SUMMARY

(EB) 150,000 - 300,000 BTU/HR

EB-150 EB-200 EB-250 EB-300

WATER

GALLON CAPACITY 1.4 1.5 1.5 1.6
HEATING SURFACE (SQ. FT.) 17.9 24.0 29.8 35.9
WATER CONNECTIONS 2” 2” 2” 2”
DRAIN 3/4” 3/4” 3/4” 3/4”
MAX. WATER FLOW RATE (GPM) 55 55 55 55
HEAD LOSS (FT. OF HD.) 3.3 3.8 3.9 4.0
MIN. WATER FLOW RATE (GPM) 6 8 10 12
HEAD LOSS (FT. OF HD.) 0.2 0.3 0.4 0.5
MAX. WORKING PRESSURE (PSI) 160 160 160 160
# OF RELIEF VALVES 1111
RELIEF VALVE SIZE 3/4” 3/4” 3/4” 3/4”
RELIEF VALVE RATING (MBH) 510 510 510 510
RELIEF VALVE PRESSURE RATING (PSI) 30 30 30 30

GAS

INLET CONNECTION 3/4” 3/4” 3/4” 3/4”
MAX. INLET PRESSURE, NAT 10.5” w.c. 10.5” w.c. 10.5” w.c. 10.5” w.c.
MIN. INLET PRESSURE, NAT 4.0” w.c. 4.0” w.c. 4.0” w.c. 4.0” w.c.
MANIFOLD PRESSURE, NAT 1.8” w.c. 1.8” w.c. 1.8” w.c. 1.8” w.c.
MAX. INLET PRESSURE, LP 13.0” w.c. 13.0” w.c. 13.0” w.c. 13.0” w.c.
MIN. INLET PRESSURE, LP 8.0” w.c. 8.0” w.c. 8.0” w.c. 8.0” w.c.
MANIFOLD PRESSURE, LP 4.6” w.c. 4.6” w.c. 4.6” w.c. 4.6” w.c.
BTU/HR INPUT 150,000 199,999 250,000 300,000
BTU/HR OUTPU

ELECTRICAL

VOLTAGE/HEATER 120 120 120 120
VOLTAGE/CONTROL 24 24 24 24
TOTAL AMPS 5.3 5.3 5.3 5.3
# OF ELECTRICAL CONNECTIONS 1111

DIMENSIONS

HEIGHT 28” 28” 28” 28”
WIDTH 19-3/4” 23-3/4” 27-1/2” 31-1/4”
DEPTH 23-3/4” 23-3/4” 23-3/4” 23-3/4”

SERVICE CLEARANCES

FRONT 24” 24” 24” 24”
BACK 1” 1” 1” 1”
RIGHT SIDE 1” 1” 1” 1”
LEFT SIDE (PIPING) 24” 24” 24” 24”

OP 3” 3” 3” 3”

VENTING

SIZE 5” 5” 6” 6”
VENT CATEGORY IIII
VENT MATERIAL B-VENT B-VENT B-VENT B-VENT
MAXIMUM DRAFT -0.05” w.c. -0.05” w.c. -0.05” w.c. -0.05” w.c.
MINIMUM DRAF

DIRECT VENTING

SIZE 4” 4” 5” 5”
VENT CATEGORY IV IV IV IV
VENT MATERIAL AL29-4C AL29-4C AL29-4C AL29-4C

126,000 167,999 210,000 252,000

-0.02” w.c. -0.02” w.c. -0.02” w.c. -0.02” w.c.

Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: [phone]

EB-PS-06 (Replaces EB-PS-05 4/07)

www.Lochinvar.com

11/07-Printed in U.S.A.