PELLET STOVES Chapter 3
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INSTALLATION AND USE MANUAL
page 31
Installation and assembly Technical service - Rights reserved - Reproduction prohibited
3.5. KIT FOR DOMESTIC HOT WATER PRODUCTION
- Only for Primula/Orchidea stoves
PRIMULA and ORCHIDEA stoves can also be equipped with a full kit for
the production of domestic hot water. This kit comprises:
A plate heat exchanger
A three-way diverter valve
Water flow switch
Pipes and unions for connection
The kit is designed to heat domestic water directly from the home
water supply system. The manufacturer supplies the kit ready-
assembled.
When the tap is turned on and hot water is needed, the internal water
flow switch will send a signal to the diverter valve to channel the hot
water from the boiler (where it is stored) to the plate heat exchanger.
The temperature of the domestic water depends a great deal on the
temperature of the water inside the heating system. This can be
calculated to a good degree of accuracy by taking 10°-15°C away from
the value shown on the control panel of the stove (which is the
temperature of the water in the boiler).
If hot domestic water is needed while the stove is ‘Off’ or in ‘off ECO-
STOP’ mode, the stove will automatically and immediately begin the
start-up process to heat the water inside the boiler, followed by the
domestic hot water.
To ensure that the plate heat exchanger continues to
operate correctly over time, it is important that you
know the water hardness of your system to prevent
deposits from forming.
If the water in your home is very hard, you are
advised to install a softening system upstream (see
chapter 3.4.3)
You are advised to maintain the plate heat exchanger
annually to eliminate calcium sediments and mineral
salts or to replace heating plates with new ones.
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