Ariston microSYSTEM 10 RFFI Installation Instructions Manual - Page 13
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F
. 3.3
IG
F
. 3.4
IG
N
:
When using a 3 port valve installation in conjunction with an unvented cylinder it will be
OTE
necessary to use a 2 port valve on the cylinder flow connection in addition to the 3- port
valve to satisfy Building Regulations.
Wiring to 2 port valve installation
using an external 2 channel
programmer
Type Danfoss FP715
Type Honeywell ST6400C
Wiring to 3 port valve installation
using an external 2 channel
programmer
Type Danfoss FP715
Type Honeywell ST6400C
13