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R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E
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2. MAINTENANCE
SUPPOR
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ENTRE
2.2.11. 3-WAY VALVE OPERATION
Important: The working position of the 3-way valve
is indicated by the color (Red or Blue) visible in the
inside of the valve. (see ‘C’ - fig. 1).
› The RED color (with C-A) indicates the operation
in the Domestic Hot water mode.
› The BLUE color (with C-B) indicates the
operation in Heating mode.
C
