8 Maintenance [specialist]
2016/07
99640x6xx-mub-de – V08
21
Te
m
pe
ratu
re in
the
bu
ffer
tan
k
D
omest
ic
ho
t w
ate
r
tempera
ture
set
at
the
con
trol
ler
M
axi
m
um
fl
ow
rate
from
the
Friw
a wi
th
the
set
do
m
estic ho
t
w
ater
tempe
ratur
e
M
axi
m
um
w
ithd
raw
al
flow
rate
at
the
tap
for
a
do
m
es
tic
ho
t
w
ater
tempe
ratur
e
of
45
°C
Transfer
cap
aci
ty
of
the
Friw
a
Midi
Maxi
Midi
Maxi
Midi
Maxi
50 °C
45 °C
32 l/min
50 l/min
-
-
79 kW
122 kW
60 °C
45 °C
50 l/min
77 l/min
-
-
121 kW
187 kW
50 °C
40 l/min
62 l/min
45 l/min
70 l/min
111 kW
172 kW
55 °C
30 l/min
47 l/min
39 l/min
60 l/min
95 kW
147 kW
70 °C
45 °C
64 l/min
88 l/min**
-
-
155 kW
214 kW
50 °C
54 l/min
83 l/min
61 l/min
94 l/min
149 kW
230 kW
55 °C
45 l/min
70 l/min
57 l/min
89 l/min
141 kW
218 kW
60 °C
37 l/min
58 l/min
53 l/min
82 l/min
129 kW
200 kW
80 °C
45 °C
65 l/min* 88 l/min**
-
-
158 kW
214 kW
50 °C
65 l/min* 88 l/min** 74 l/min 100 l/min 181 kW
244 kW
55 °C
57 l/min
87 l/min
72 l/min 111 l/min 176 kW
272 kW
60 °C
49 l/min
75 l/min
69 l/min 107 l/min 169 kW
262 kW
at a cold water temperature of 10 °C, reheating not considered
*Maximum flow rate: 65 l/min, with a pressure loss of the FriwaMidi of 1000 mbars
(for hydraulic reasons, higher values are only partly possible, measuring limit of the
flow rate sensor ~133 l/min)
**Maximum flow rate: 88 l/min, with a pressure loss of the FriwaMaxi of 1000 mbars
(for hydraulic reasons, higher values are only partly possible, measuring limit of the
flow rate sensor ~133 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).