Bosch GWH 425 PN Specifications download pdf (Page 13)

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Installation instructions

13

3.8 Electrical connections

The 425 HNO requires an electrical power supply from

a 120VAC 60Hz circuit and must be properly

grounded.

A means for switching off the 120VAC power supply

must be provided.

Warning: Confirm that the water

heater is appropriately grounded and

that the installation meets all electrical

codes. Outdoor electrical outlets have

special requirements.

Warning: For safety reasons,

disconnect the power supply to the

heater before any service or testing is

performed.

Warning: This heater must be

electrically grounded in accordance

with the most recent edition of the

National Electrical Code. NFPA 70. In

Canada, all electrical wiring to the

heater should be in accordance with

local codes and the Canadian Electrical

Code, CSA C22.1 Part 1. Do not rely

on the gas or water piping to ground the

metal parts of the heater.

Warning: The heater is equipped with

freeze prevention equipment that will

operate and prevent freezing of the

water in the heater to 5°F with no wind

chill. Electrical power must be

maintained to the heater to allow this to

function. WARNING: Proper

insulation of the water lines below

the heater is required if below

freezing temperatures, below 32°F,

are ever anticipated.

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