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Vitotrans 300 Installation, Operating and Service
Overview
Domestic Hot Water Production
Ensure the instructions and requirements
of the boiler control and system accessories
are observed.
Domestic hot water production can occur via heating
boiler or a remote heating plant.
The maximum heating supply temperature is 230°F
(110°C), the maximum operating pressure is 150 psig.
Do not use steam.
Domestic hot water production
1. Set the desired domestic hot water temperature
140°F (60°C) for example) on the Vitotrans 300
control.
2. The boiler water supply temperature for domestic hot
water production is set on the heating system control.
It should be approximately 20°F (11°C) above the
desired domestic hot water temperature.
3. For your personal safety, we recommend the
installation of a tempering valve to restrict the entry
of excessively hot domestic hot water into the system.
Hire a qualified heating contractor.
IMPORTANT
Domestic hot water may be preheated or heated to
temperatures over 113°F (45°C) depending on system
energy output and temperature characteristics.
WARNING
The DHW fixed high limit is factory set to 210°F (99°C).
Do Not Ajust!
WARNING
Domestic hot water temperatures over 125°F (52°C) can
cause severe burns instantly or death from scalds.
Children, disabled and elderly are at highest risk of being
scalded. Feel water before bathing or showering.
Temperature limiting valves are available and must be used
where domestic hot water temperatures exceed 140°F
(60°C).
