Lochinvar CW495-2066 User manual

COPPER-FIN®GAS WATER HEATERS (MODELS CW495-2066)
COPPER-FIN®
WATER HEATER
Submittal Sheet
CW-Sub-09
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
• Inlet/Outlet Temperature Gauges
• Flow Switch
• 24 Volt Control System
• BMS Terminal Strip
• Combustion Air Filter (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 Gas Pressure Switch w/ Manual Reset
Low Gas Pressure Switch w/ Manual Reset
Low Water Cut-Off
Probe Type
Probe Type w/ Test
MP2Sequencer
Multi-Stack Frame
Solenoid Gas Valve
Available Firing Systems
F9 HSI (Standard)
F13 GE GAP/FM
F7 California Code

Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: [phone]
www.Lochinvar.com
8/08—Printed in U.S.A.
Copper-Fin®Gas Water Heater Dimensions & Specifications
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
Venting Options
Outdoor Vent Cap and Pump Cover
Intelligent Venting Solutions
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.
Performance data is based on manufacturer test results.
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.