Wagner & Co RATIOfresh 250 Technical Information Installation Instructions page 21

After a Power Outage
The current time and all other settings are saved even dur-
ing a power outage. However, you should check all settings
and the time after power is restored to ensure the disinfec-
tion cycle is not started accidentally.
Table 14 PRIMARY TEMPERATURE AND PUMP LEVEL SETTINGS
1 2
Tapping volume Pressure loss in
flow (= HW) in l/ secondary circuit
min (=HW side)
in mbar
For RATIOfresh 250 at nominal hot water temperature of 45 °C
10 65
15 140
25 370
For RATIOfresh 250 at nominal hot water temperature of 60 °C
10 65
15 140
25 370
For RATIOfresh 400 at nominal hot water temperature of 45 °C
15 82
25 204
40 490
For RATIOfresh 400 at nominal hot water temperature of 60 °C
15 82
25 204
40 490
EN-RATIOfresh-250-400_TI-MA-0809-11214900
Frost Protection
Make sure the heating system remains in operation in case
of frost and that all rooms are sufficiently heated to prevent
frost.
3 4
Required Required
temperature in primary volume
primary flow, flow,
in °C in l/min
50 13.0
60 8.1
50 21.9
60 12.8
60 23.4
70 17.3
65 14.5
75 9.4
65 24.9
75 15.1
75 28.2
80 24
50 19.1
60 12.1
55 26.2
65 18.4
65 31.5
75 24.7
65 21.2
75 14
65 30.4
75 25.2
85 33.7
90 30.4
5 6
Return Pressure loss in
temperature in primary circuit
primary circuit
23 98
16 65
26 241
18 96
22 199
18 157
30 117
21 27
34 305
24 125
29 386
26 285
22 115
16 58
21 203
17 109
20 287
17 181
29 138
20 71
28 269
24 189
24 328
22 269
7
Output level of
the primary
circuit pump.
min
min
med
min
med
min
min
min
max
min
max
med
min
min
max
min
max
med
med
min
max
med
max
max
21