Lochinvar CW-0497 User Manual

COPPER-FIN® WATER HEATER PRODUCT SUMMARY

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

CW-0497 CW-0647 CW-0747 CW-0987 CW-1257 CW-1437 CW-1797 CW-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
MAX. WORKING PRESSURE (PSI) 160 160 160 160 160 160 160 160
MAX. WATER HARDNESS (GRAINS) 25 25 25 25 25 25 25 25
GPH @ 70°F RISE 694 904 1,044 1,381 1,760 2,013 2,517 2,896
GPH @ 100°F RISE 486 633 731 967 1,232 1,409 1,762 2,027
GPH @ 140°F RISE 347 452 522 691 880 1,006 1,259 1,448
# OF RELIEF VALVES 1 1 1 1 1 1 1 2
RELIEF VALVE SIZE 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"
RELIEF VALVE SIZE (MBH) 1,912 1,912 1,912 1,912 1,912 1,912 1,912 1,912
RELIEF VALVE PRESSURE RATING (PSI) 150 150 150 150 150 150 150 150
TEMPERATURE RATING (◦F) 210 210 210 210 210 210 210 210

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

ELECTRICAL

VOLTAGE / HEATER 120 120 120 120 120 120 120 120
VOLTAGE / PUMP 120 120 120 120 120 120 120 120
VOLTAGE / CONTROL 24 24 24 24 24 24 24 24
TOTAL AMPS W/ PUMP 13.8 13.8 13.8 15.4 15.4 15.8 15.8 15.8
# OF ELECTRICAL CONNECTIONS 2 2 2 2 2 2 2 2

DIMENSIONS

HEIGHT 33-1/4" 33-1/4" 33-1/4" 36" 36" 36" 36" 36"
WIDTH (INCLUDING PUMP) 64" 75-1/4" 82-1/2" 68-3/4" 79" 89-1/4" 102-3/4" 113"
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.

CW-PS-07 (Replaces CW-PS-06 01/11)

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

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

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