Lochinvar CWL0647PM User Manual

COPPER-FIN

®

WATER HEATER

Submittal Sheet

CW-Sub-13

COPPER-FIN® GAS WATER HEATERS (MODELS CW 0497-2067)

JOB NAME ______________________________________________________________________
LOCATION ______________________________________________________________________
ENGINEER_______________________________________________________________________
MECH. CONTRACTOR ___________________________________________________________
MODEL NO. _____________________________________________________________________
TYPE GAS ______________________________________________________________________
Btu/hr INPUT____________________________________________________________________
RECOVERY RATE IN GPH_______________________________________@________°F RISE
NOTES

Standard Features

• 81% Thermal Efficiency

• Electronic Temperature Control

• Fan Assisted Combustion

• Sealed Combustion Chamber

• Stainless Steel Burners

• Low NOx Operation Exceeds the most
Stringent Air Quality Requirements

• ASME Copper Finned Tube Heat Exchanger

• 160 psi Working Pressure

• Gasketless Heat Exchanger Design

• All Bronze Circulating Pump

• Pump Delay w/ Freeze Protection

• Remote Tank Thermostat

• Glass-Lined Water Surfaces

• Referenced Gas Valves

• Loch-Heat Ceramic Tile Combustion Chamber

• Hot Surface Ignition

• ASME Temperature & Pressure Relief Valve

• Adjustable High Limit w/ Manual Reset

• Flow Switch

• 24 Volt Control System

• BMS Terminal Strip

• Combustion Air Filter

• 5 Year Limited Warranty on
Heat Exchanger
(See warranty for details)

Optional Equipment

Alarm Bell
Contacts on any Failure
Contacts for Air Louvers
Cupro-Nickel Heat Exchanger
High and Low Gas Pressure

Switch w/ Manual Reset
Low Water Cut-Off
Stack Frame

MP2 Sequencer

Available Firing Systems

M9 HSI (Standard)
M7 California Code

Registered under U.S. Patent 5,989,020

HLW

Copper-Fin® Gas Water Heater Dimensions & Specifications

Input GPH @ Inlet Outlet
Model Max. 100°F Gas Water Water Vent Shipping
Number Btu/hr Rise A B C D E F G Conn. Conn. Conn. Size Weight

CWN0497PM 495 486 31-1/2” 45-1/4” 22-1/4” 12-1/2” 9-1/2” 22-3/4” 29-1/2” 1-1/4” 2” 2” 6” 490
CWN0647PM 645 633 31-1/2” 56-3/4” 22-1/4” 12-1/2” 9-1/2” 28-1/2” 29-1/2” 1-1/4” 2” 2” 8” 555
CWN0747PM 745 731 31-1/2” 64” 22-1/4” 12-1/2” 9-1/2” 32” 29-1/2” 1-1/4” 2” 2” 8” 610
CWN0987PM 985 967 36” 48-1/4” 33-1/2” 15-3/4” 8-1/2” 8-1/2” 33-1/4” 2” 2-1/2” 2-1/2” 10” 900
CWN1257PM 1,255 1,232 36” 58-1/2” 33-1/2” 15-3/4” 9-1/2” 10-1/2” 33-1/4” 2” 2-1/2” 2-1/2” 12” 1,020
CWN1437PM 1,435 1,409 36” 68-3/4” 33-1/2” 15-3/4” 10-1/2” 10-1/2” 33-1/4” 2” 2-1/2” 2-1/2” 12” 1,065
CWN1797PM 1,795 1,762 36” 82-1/4” 33-1/2” 15-3/4” 11” 11” 33-1/4” 2” 2-1/2” 2-1/2” 14” 1,265
CWN2067PM 2,065 2,027 36” 92-1/2” 33-1/2” 15-3/4” 11” 11” 33-1/4” 2” 2-1/2” 2-1/2” 14” 1,400

Change ‘N’ to ‘L’ for LP gas models.

Water connections for models (CW 0497-0747) are 2” NPT on 6-1/2” centers. Water connections for models (CW 0987-2067) are 2-1/2” NPT on 11-1/4” centers.

Performance data is based on manufacturer test results.

Venting Options

Outdoor Vent Cap and Pump Cover

Lochinvar, LLC
300 Maddox Simpson Parkway
Lebanon, Tennessee 37090
P: 615.889.8900 / F: 615.547.1000

Lochinvar.com

Approx.
Model No. Fans Controls Pump Total
Amps

497 3.6 3.6 5.8 13
647 3.6 3.6 5.8 13
747 3.6 3.6 5.8 13
987 3.4 4.6 7.4 15.4
1257 3.4 4.6 7.4 15.4
1437 3.8 4.6 7.4 15.8
1797 3.8 4.6 7.4 15.8
2067 3.8 4.6 7.4 15.8

5/15—Printed in U.S.A.