Rev. F 06-2019
26
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MTEC.6800.GB-F-1 Operation and maintenance manual SMA series English
SMA
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the hot water coil. The hot water coil connections are 1” .
The modulating 3 way valve is installed directly in factory as showed in the picturet. It is controlled directly by the board.
For proper equipment operation, it is recommended powering the unit with a dedicated pump. It is strongly recom-
mended to connect the unit upstream of the collector system to ensure proper water supply (see drawing).
This option is available only in combination with the electronic probe RGDD. It is not available in combination with
remote mechanical hygrostat.
The inlet maximum water temperature allowed is 80°C.
The inlet minimum water temperature allowed is 55°C.
For a correct functioning of the unit, it’s advisable to bleed carefully the circuit using the vent valve present in the unit.
Hot water coil connections
DP
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