21
Technical data
Transmission power with different flow and outlet temperatures:
Rated power
70 kW
Min. flow
2 l/min
Max. flow for 65 °C tank and 45 °C outlet temperature
30 l/min
Max. permissible flow
30 l/min
Volume of plate heat exchanger primary/secondary side
2,2 l each
Max. operating pressure primary side (tank water)
4 bar
Max. operating pressure secondary side (cold water)
6 bar
Max. permissible water hammer pressure
15 bar
Rated temperatures primary flow / return
65 / 20 °C
Rated temperatures secondary flow / return
45 / 10 °C
Max. operating temperature primary/secondary
90 °C
Setting range for hot water temperature
40 - 70 °C
Pressure loss secondary side (Kv value)
2,60 m
3
/h
Connection thread primary, secondary. circulation pipe
G ¾“ external thread
DL-Buslast
10%
Maximum electrical rating, pump + controller
80 W
Materials
(all parts in contact with potable water comply with DVGW/W270)
Fittings
Brass CW617N
Heat exchanger
Stainless steel 1.4401, copper
soldered
Pipes
Copper 99,96%
Seal material
PTFE, EPDM, Klingersil C-4324
Pump primary circuit
Grundfos UPM3 15-70 130
Valve
ESBE SLB123
Volume flow sensor
Huba Type 200 2-32l/min
Primary sensor
PT1000
Controller
FWR33
Pump
mode
Buffer flow
[°C]
Return [°C]
Cold water
supply [°C]
Hot water
outlet [°C]
Power [kW]
50,0
16,5
13,5
39,2
55,2
1850
49,2
16,0
13,9
40,0
14,5
480
50,2
16,5
13,7
41,1
30,5
960
41,3
21,9
13,7
39,4
33,4
1120
60,7
25,2
13,7
56,7
55,9
1120
60,1
15,4
13,5
40,0
69,2
2250
70,0
16,8
13,5
50,0
91,9
2170
Summary of Contents for FRISTAR3-WP
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