Lochinvar CW 745, CW 645 manual Single Heater TWO Tank, Building HOT Water Supply Relief Valve

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PIPING DIAGRAM

SINGLE HEATER - TWO TANK

 

 

 

BUILDING HOT

WATER SUPPLY

RELIEF VALVE

LOCK-TEMP STORAGE TANK

DRAIN

COLD WATER

LOCHINVAR WATERSUPPLY HEATER

OUTLET

INLET

BUILDING

RETURN

This illustration is for concept only and should not be used for any actual installation without engineering

 

or technical advice from a licensed engineer. All necessary equipment may not be illustrated.

LIT0135

 

L E G E N D

FULL PORT BALL VALVE

SYSTEM

PUMP

SYSTEM

RELIEF VALVE

TEE

ELBOW

UNION

EXPANSION

TANK

CHECK VALVE

THERMOMETER

A2

L o c h i n v a r D E S I G N E R S G U I D E C O P P E R - F I N W A T E R H E A T E R 6 1 5 - 8 8 9 - 8 9 0 0

 

 

 

 

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Contents DESIGNER’S Guide COPPER-FINWATER Heater Page Table of Contents Codes Location of UnitSpecial Location Outdoor USE Table a Clearances from Combustible ConstructionLeft Side Flue Products Vent Right SideHOT Water Outlet GAS AIR Connection Inlet HOT Water Outlet FrontCombustion & Ventilation AIR General VentingContaminants Exhaust FansVent Terminations Venting Options Conventional VentingBarometric Dampers Outdoor Installation Masonry ChimneyFreeze Protection Outdoor Installation GAS SupplyInlet and Outlet Water Connections Water ConnectionsHigh Altitude Applications Example of High Altitude ApplicationsPump Operation LOW Water Temperature DeliveryWater Velocity Control Ball valvesWater Flow Switch Water TreatmentElectrical Requirements Relief ValveSystem Pump Relief Valve TEE Elbow Union Expansion Tank ThermometerSingle Heater TWO Tank Building HOT Water Supply Relief ValveTWO Temperature Installation Single HEATER-SINGLE Tank Cold Water Supply Drain Outlet Reducing TEETWO HEATERS-TWO Tanks LIT0396 MULTI-STACK Frame W/ Water Heaters and Storage TankPage Lochinvar Corporation Lebanon, TN 615-889-8900 / Fax

CW 645, CW 745 specifications

The Lochinvar CW 645 and CW 745 are advanced water heater models from Lochinvar, a leading manufacturer of water heating solutions. These high-efficiency units are designed to meet the demands of both commercial and residential applications, combining cutting-edge technology with robust performance.

One of the defining features of the CW series is its commitment to energy efficiency. With their stainless steel construction, these water heaters boast a high thermal efficiency rating. The CW 645 and CW 745 utilize modulating technology, allowing them to adjust the heating output based on real-time demand. This results in reduced energy consumption and lower operational costs, making them an ideal choice for environmentally conscious consumers.

These models are equipped with a powerful burner system designed to provide optimal heating performance. The burners are engineered for reliability and longevity, ensuring consistent hot water supply even under heavy usage. Additionally, the CW 645 and CW 745 feature a compact footprint, making them suitable for installation in tight spaces or areas with limited access.

The advanced control system in these units takes user experience to the next level. With intuitive controls and a digital display, users can easily set temperatures and monitor system performance. The integrated diagnostics feature ensures quick troubleshooting, enhancing reliability and reducing maintenance time.

Safety is another paramount consideration in the design of the CW series. Both models come equipped with multiple safety features, including a flame safeguard system and a high-temperature limit switch. These safety mechanisms provide peace of mind while ensuring compliance with local building codes.

Furthermore, the CW 645 and CW 745 models are versatile in their applicability. They can be used for a variety of applications including restaurants, schools, and hospitals. Their ability to provide consistent hot water makes them particularly valuable in high-demand situations.

In summary, the Lochinvar CW 645 and CW 745 are exceptional water heating solutions that epitomize efficiency, safety, and performance. With advanced features, user-friendly controls, and solid construction, these units are well-suited to meet the hot water needs of both commercial and residential users. Investing in a CW series water heater not only secures a reliable source of hot water but also contributes to long-term energy savings and environmental sustainability.