Installation manual

installation manual TWIN 80 EN
(E000129016 - installation manual TWIN 80 EN - 030106v07
32
P/C
continuous
Heating
1). low water-pressure
(< 0.2 bar)
2). high water pressure
(> 3.0 bar)
P/d
continuous
DHW combi-boiler
1). low water-pressure
(< 0.2 bar)
2). high water pressure
(> 3.0 bar)
P/b
continuous
HWS external cylinder
1). low water-pressure
(< 0.2 bar)
2). high water pressure
(> 3.0 bar)
Ad 1). with water pressure below 0.2 bar, the regulation
blocks with alternately a continuous P and the normal
status.
The two right segments show the actual system water
pressure.
Ad 2). with water pressure above 3.0 bar, the regulation
blocks with alternately a continuous P and the normal
status.
The two right segments show the actual system water
pressure.
Ad 1). blocking mode releases
after filling the system to a system
water pressure above 1.3 bar
Ad 2). blocking mode releases
when the system water pressure
descends below 2.9 bar
nc
continuous
internal software
blocking
the software was interrupted in the middle of a sequence interrupt 230V supply power
9
continuous
sensor malfunction
(flow sensor, return
sensor, tank sensor,
outdoor sensor)
sensor with incorrect temperature measurement between
97-115°C. The actual temperature differs.
replace the sensor concerned
J
continuous
see C
continuous
(TWIN only)
E
continuous
no slave recognised (TWIN only)
b/r
continuous
HWS right unit (TWIN only)