8 Maintenance [specialist]
2014/11
99640766x-mub-en – V03
23
Tem
per
at
ur
e i
n
the buf
fer
tank
D
om
es
tic
ho
t w
at
er
tem
per
at
ur
e s
et
at
the
c
ont
rol
ler
M
ax
im
um
fl
ow
rat
e
from
the
Fr
iw
a w
ith
the s
et
do
m
es
tic
ho
t
w
at
er
tem
pe
rat
ur
e
M
ax
im
um
w
ithdr
aw
al
flo
w r
at
e
at
the t
ap f
or
a dom
es
tic
hot
w
at
er
tem
per
at
ur
e of
45 °
C
Tr
ans
fer
c
apac
ity
of
the
F
riwa
FriwaMega
FriwaMega
FriwaMega
50 °C
45 °C
82 l/min
-
199 kW
60 °C
45 °C
123 l/min
-
300 kW
50 °C
100 l/min
114 l/min
278 kW
55 °C
77 l/min
98 l/min
240 kW
70 °C
45 °C
130 l/min*
-
316 kW
50 °C
130 l/min*
148 l/min
361 kW
55 °C
112 l/min
143 l/min
358 kW
60 °C
94 l/min
133 l/min
324 kW
80 °C
45 °C
130 l/min*
-
316 kW
50 °C
130 l/min*
148 l/min
361 kW
55 °C
130 l/min*
166 l/min
406 kW
60 °C
121 l/min
172 l/min
419 kW
at a cold water temperature of 10 °C, reheating not considered
*maximum flow rate: 130 l/min, with a pressure drop of the FriwaMega of 1000 mbars
(for hydraulic reasons, higher values are only partly possible, measuring limit of the flow
rate sensor ~260 l/min)
8
Maintenance [specialist]
In order to guarantee an optimal control, no hydraulic pressure losses should occur on
the primary side (f. ex. due to the installation of a mud strainer, strainer or mixing valve).