Lochinvar 500, 90 Copper-finSpecifications, Ratings, Installation & Service Manual, Notes

Installation & Service Manual

Ratings

Copper-fin Specifications

Model Number
	Input	Water	Water Connections	Gas Connections	Vent Size
Note: Change “N” to	MBH	Content Gallons
“L” for L.P. gas models					(Note 1)
CWN090	90	.91	2”	1/2”	5”
CWN135	135	.95	2”	1/2”	6”
CWN180	180	.99	2”	3/4”	7”
CWN199	199	1.02	2”	3/4”	7”
CWN225	225	1.02	2”	3/4”	7”
CWN270	270	1.06	2”	3/4”	8”
CWN315	315	1.09	2"	3/4"	8"
CWN360	360	1.12	2"	1"	9"
CWN399	399	1.22	2"	1"	10"
CWN500	500	1.30	2"	1"	10"

NOTICE Maximum allowed working pressure is located on the rating plate.

Notes:

1. Copper-fins require special gas venting. Use only the vent materials and methods specified in the Installation and Service Manual.

2. The Copper-fin is orificed for operation up to 2000 feet altitude. The appliance will be derated 4% per 1000 feet above 2000 feet elevation. Consult the factory for installations above 2000 feet elevation.

UNIT EQUIPPED FOR

HIGH ALTITUDE

UP TO 2000 FT.

Figure B High Altitude Label Location

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