Bosch GWH 345 ESR Applications Manual page 9

Tankless water heaters

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GWH 345/450 ESR applications manual

3.2.2 Single unit tank loading application electrical diagram

The following shows the appropriate electrical connections for

plumbing diagram 3.2.1

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.

BOSCH THERMOTECHNOLOGY CORPORATION

Terminal box

PCB

Single Unit Tank Loading

Electrical Diagram

110VAC from outlet

ESR control

board

Drawing # ESTL

| 9

revA 10/07

Applications manual | 02.2009

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Gwh 450 esr