Electrical Connections - Bosch Pro Tankless GWH-425-HNO-N Instructions For Use Manual

3.8

Electrical connections

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
disconnect the power supply to the
heater before any service or testing is
performed.
Warning: This
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.
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: 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
maintained to the heater to allow this to
function. WARNING:
insulation of the water lines below
the heater is required if below
freezing temperatures, below 32°F,
are ever anticipated.
8 716 473 148
safety reasons,
heater must be
power must be
Proper
Installation instructions
13