Lochinvar CWN0495PM User Manual

COPPER-FIN

WATER HEATER

Submittal Sheet

CW-Sub-11

COPPER-FIN® GAS WATER HEATERS (MODELS CW495-2066)

JOB NAME ______________________________________________________________________ LOCATION ______________________________________________________________________ ARCH./ENGR.____________________________________________________________________ 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 (CW 986-2066)

• 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

F9 HSI (Standard) F7 California Code

Copper-Fin® Gas Water Heater Dimensions & Specifications

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

CWN0495PM 495,000 486 33-1/4” 45-1/4” 22-1/4” 18-1/2” 12-1/2” 9-1/2” 30-3/4” 22-3/4” 6” 1-1/4” 490 CWN0645PM 645,000 633 33-1/4” 56-3/4” 22-1/4” 18-1/2” 12-1/2” 9-1/2” 30-3/4” 22-1/4” 8” 1-1/4” 555 CWN0745PM 745,000 731 33-1/4” 64” 22-1/4” 18-1/2” 12-1/2” 9-1/2” 30-3/4” 31-1/4” 8” 1-1/4” 610 CWN0986PM 985,000 967 36” 48-1/4” 33-1/2” 20-1/2” 15-3/4” 9-1/2” 33-3/4” 9-1/2” 10” 2” 900 CWN1256PM 1,255,000 1,232 36” 58-1/2” 33-1/2” 20-1/2” 15-3/4” 10-1/2” 33-3/4” 10-1/2” 12” 2” 1,020 CWN1436PM 1,435,000 1,409 36” 68-3/4” 33-1/2” 20-1/2” 15-3/4” 10-1/2” 33-3/4” 10-1/2” 12” 2” 1,065 CWN1796PM 1,795,000 1,762 36” 82-1/4” 33-1/2” 20-1/2” 15-3/4” 11” 33-3/4” 11” 14” 2” 1,265 CWN2066PM 2,065,000 2,027 36” 92-1/2” 33-1/2” 20-1/2” 15-3/4” 11” 33-3/4” 11” 14” 2” 1,400

Change ‘N’ to ‘L’ for LP gas models. Water connections for models (CW 0495-0745) are 2” NPT on 6-1/2” centers. Water connections for models (CW 0986-2066) 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 Intelligent Venting Solutions

Approx. Model No. Fans Controls Pump Total Amps

495 3.6 3.6 5.8 13 645 3.6 3.6 5.8 13 745 3.6 3.6 5.8 13 986 3.4 4.6 7.4 15.4 1256 3.4 4.6 7.4 15.4 1436 3.8 4.6 7.4 15.8 1796 3.8 4.6 7.4 15.8 2066 3.8 4.6 7.4 15.8

Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: 615-547-1000

www.Lochinvar.com

10/10—Printed in U.S.A.