Lochinvar CB-0497 User Manual

COPPER-FIN® BOILER PRODUCT SUMMARY

(CB) 495,000-2,065,000 BTU/HR

CB-0497 CB-0647 CB-0747 CB-0987 CB-1257 CB-1437 CB-1797 CB-2067

WATER

GALLON CAPACITY 1.7 1.9 2.0 3.4 3.7 4.1 4.5 4.8
HEATING SURFACE (SQ.FT.) 59.0 76.8 88.1 96.0 120.2 144.0 176.0 200.0
WATER CONNECTIONS 2" 2" 2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2"
DRAIN 3/4" 3/4" 3/4" 2 @ 3/4" 2 @ 3/4" 2 @ 3/4" 2 @ 3/4" 2 @ 3/4"
MAX. WATER FLOW RATE (GPM) 60 60 60 90 90 90 90 90
HEAD LOSS (FT. OF HD.) 6.6 6.8 6.9 5.8 6.6 7.2 8.4 9.2
MIN. WATER FLOW RATE (GPM) * 21 21 25 27 34 39 49 56
HEAD LOSS (FT. OF HD.) * 0.7 1.6 2.3 0.8 1.1 1.7 2.4 4.5
MAX. WORKING PRESSURE (PSI) 160 160 160 160 160 160 160 160
# OF RELIEF VALVES 1 1 1 1 1 2 2 2
RELIEF VALVE SIZE 1" 1" 1" 1" 1" 1": 1" 1"
RELIEF VALVE SIZE (MBH) 1,352 1,352 1,352 1,352 1,352 1,352 1,352 1,352
RELIEF VALVE PRESSURE RATING (PSI) 50 50 50 50 50 50 50 50

GAS

INLET CONNECTION 1-1/4" 1-1/4" 1-1/4" 2" 2" 2" 2" 2"
MAX. INLET PRESSURE, NAT 14" w.c. 14" w.c. 14" w.c. 14" w.c. 14" w.c. 14" w.c. 14" w.c. 14" w.c.
MIN. INLET PRESSURE, NAT 4.0" w.c. 4.0" w.c. 4.0" w.c. 4.5" w.c. 4.5" w.c. 4.5" w.c. 4.5" w.c. 4.5" w.c.
MANIFOLD PRESSURE, NAT 1.8" w.c. 1.8" w.c. 3.2" w.c. 1.2" w.c. 1.2" w.c. 1.2" w.c. 1.2" w.c. 1.2" w.c.
MAX. INLET PRESSURE, LP 14" w.c. 14" w.c. 14" w.c. 14" w.c. 14" w.c. 14" w.c. 14" w.c. 14" w.c.
MIN. INLET PRESSURE, LP 8.0" w.c. 8.0" w.c. 8.0" w.c. 8.0" w.c. 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. 4.6" w.c 4.6" w.c. 4.6" w.c 4.6" w.c.
BTU/HR INPUT 495,000 645,000 745,000 985,000 1,255,000 1,435,000 1,795,000 2,065,000
BTU/HR OUTPUT 400,950 522,450 603,450 797,850 1,016,550 1,162,350 1,453,950 1,672,650

ELECTRICAL

VOLTAGE / HEATER 120 120 120 120 120 120 120 120
VOLTAGE / CONTROL 24 24 24 24 24 24 24 24
TOTAL AMPS W/ PUMP 8.0 8.0 8.0 8.0 8.0 8.4 8.4 8.4
# OF ELECTRICAL CONNECTIONS 1 1 1 1 1 1 1 1

DIMENSIONS

HEIGHT 33-1/4" 33-1/4" 33-1/4" 36" 36" 36" 36" 36"
WIDTH 45-1/2" 56-3/4" 64" 48-1/4" 58-1/2" 68-3/4" 82-1/4" 92-1/2"
DEPTH 22-1/4" 22-1/4" 22-1/4" 33-1/2" 33-1/2" 33-1/2" 33-1/2" 33-1/2"

SERVICE CLEARANCES (RECOMMENDED)

FRONT 24" 24" 24" 24" 24" 24" 24" 24"
BACK 3" 3" 3" 3" 3" 3" 3" 3"
RIGHT SIDE 3" 3" 3" 3" 3" 3" 3" 3"
LEFT SIDE (PIPING) 24" 24" 24" 24" 24" 24" 24" 24"
TOP 3" 3" 3" 3" 3" 3" 3" 3"

VENTING

SIZE 6" 8" 8" 10" 12" 12" 14" 14"
VENT CATEGORY CAT I CAT I CAT I CAT I CAT I CAT I CAT I CAT I
VENT MATERIAL "B" VENT "B" VENT "B" VENT "B" VENT "B" VENT "B" VENT "B" VENT "B" VENT
MAXIMUM DRAFT -0.08" w.c. -0.08" w.c. -0.08" w.c. -0.08" w.c. -0.08" w.c. -0.08" w.c. -0.08" w.c. -0.08" w.c.
MINIMUM DRAFT -0.02" w.c. -0.02" w.c. -0.02" w.c. -0.02" w.c. -0.02" w.c. -0.02" w.c. -0.02" w.c. -0.02" w.c.

* Minimum flow rate and head loss are based on 40°F temperature rise for CB0497-0747 models and are based on 60°F temperature rise on CB0987-2067 models.

CB-PS-08 (Replaces CB-PS-07 01/11)

01/11-Printed in U.S.A.

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

www.Lochinvar.com