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6
Appliance details
2.3
Unpacking the heater
Before installing the unit, be certain you have the
correct heater for your type of Gas: Propane or
Natural Gas.
Identification labels are found on the
shipping box, and on the rating plate which is located on
the right side panel of the cover.
Fig. 2
Rating plate
A
Serial number
B
Type of gas
The box includes:
• Evolution 500
• Pressure relief valve (150 psi / 200,000 Btu rating)
• Bracket for wall hanging the heater
• Exhaust vent adaptor (with 4 screws and gasket
provided)
• Combustion air inlet adaptor (with 3 screws and gas-
ket provided)
• Installation manual (manual can be downloaded at
www.boschhotwater.com)
• Product registration card
• Energy Guide label.
Please complete and return the enclosed product
registration card.
The water heater is not approved or designed for:
• Manufactured (mobile) homes, boats or any mobile
installation (modular homes are acceptable for
installation)
• Use above 8000 ft A.S.L. altitude (see page 18)
• Outdoor installation without installation of Outdoor
kit (AQOK)
• Space heating purposes
• Preheated inlet water supply.
To remove front cover
B
Loosen the two Philips head screws located on
bottom rear of cover (see Fig. 3).
Fig. 3
Loosen the two screws
B
Lift front cover panel upward and remove.
Fig. 4
Removing the front cover
To remove combustion cover (service only)
B
Open the four clips and remove the combustion
cover see Fig. 5.
Fig. 5
Remove the combustion cover