Bosch Appliances GWH 260 PN/HN2, GWH 425 PN/HN4GWH 4254 manual Drawing # BB OL RevA 10/07

Page 36

3 6

Applications manual

 

 

5.1.3 Baseboard/ Radiant Panel space heating and DHW plumbing diagram

P1

Cold water

DHW

feed

 

Bosch GWH 345 ESR, Bosch GWH 450 ESR

PK

Symbols

Potable water

Flow

Flow

expansion tank

check

direction

 

 

valve

 

 

Air

Pressure

Tank

relief

seperator

Aquastat

valve

 

 

Bronze circulator

Thermostatic

Service

sized according to

Mixing

valves

UPC standards

valve

 

 

 

Baseboard/Storage

Radianttank Panel

Note: Piping to fixtures not shown for clarity purposes.

Note: This drawing is conceptual in nature and does not address all design, installation or safety considerations.

Additional safety and/or auxiliary equipment may be needed. This diagram is for reference use by officials, designers and licensed installers.

It is expected that installers have adequate knowledge of accepted industry practices for the equipment, procedures, and applications involved. Drawing is not to scale.

Drawing # BB OL

CN

revA 10/07

Application manual 11.2007

Bosch Water Heating

Image 36
Contents Applications manual Table of Contents Introduction Sizing by Chart Sizing tankless water heatersDefinitions Rule of thumb sizingGas Appliance Sizing Chart Features GWH 715 ES Installation SpecificationsApplications manual GWH 715 ES Installation Clearances Installation guidelinesGWH C 800 ES Installation Specifications GWH C 800 ES Installation ClearancesGWH C 800 ES Technical Specifications Outdoor Installation for GWH 715 ES GWH C 800 ESDescription Min Distances GWH 345 ESR Installation Specifications GWH 450 ESR Installation ClearancesGWH 345 ESR Technical Specifications GWH 450 ESR Installation Specifications GWH 450 ESR Technical SpecificationsGWH 425 EF Installation Specifications GWH 425 EF Installation ClearancesGWH 425 EF Technical Specifications GWH 425 HN Installation Specifications GWH 425 HN Installation ClearancesGWH 425 HN Technical Specifications Establish a one-foot rise before any elbowsGWH 425 PN Installation Specifications GWH 425 PN Installation ClearancesGWH 425 PN Technical Specifications GWH 260 PN Installation Clearances GWH 260 PN Installation SpecificationsGWH 260 PN Technical Specifications Maximum flow rate at given temperature rise Technical SpecificationsElectrical requirements Powerstream Pro RP1P, RP2P, RP3P, RP7P, RP9P,RP12PT Ariston Pro GL2.5Ti, GL4Ti, GL8Ti Point-of-use applications Potable waterIntroduction Temperature and pressure Service valveRelief valve SinkService valve Sink Flow direction Temperature and pressure relief valve Sink Service valves Low flow Flow direction ShowerService Sink valves Powerstream Pro RP17PT or RP27PTPowerstream Pro whole house applications Standard tub fixtureHotCold Symbols Bosch ProTankless gas water heaterHot Cold Parallel unit applications Pressure relief valves Bosch GWH 715 ES Bosch GWH C 800 ESCascading unit applications GWH 715 ES and GWH C 800 ES cascadingPressure Single unit tank loading application plumbing diagram Cold water Feed DHWBosch GWH 345 ESR Bosch GWH 450 ESR Single Unit Tank Loading Electrical Diagram ESR control BoardRadiant space heating and DHW plumbing diagram Cold waterFeed External storage tankRadiant Space Heating and DHW Electrical Diagram Radiant space heating and DHW electrical diagramFan coil space heating and DHW plumbing diagram Fan Coil Cold waterBosch GWH 345 ESR, Bosch GWH 450 ESR Fan Coil Space Heating and DHW Electrical Diagram Fan Coil space heating and DHW electrical diagramDrawing # BB OL RevA 10/07 Baseboard Space Heating and DHW Electrical Diagram Drawing # Bbaol RevA 10/07 Pkps Insulate piping Cold water feed Terminal box Baseboard Radiant Panel Back Flow preventerDrawing # EID Bbol CN revA 10/07 Descaling procedure Circulating pump Flow direction Filter Service valves Applications manual Applications manual Applications manual Applications manual BBT North America Corporation