3
130
245
70
70
60
60
85
75
490
500
= 3/4’’
42
28
444
Dimensions
SATK22 technical specifications
Medium:
water
Max. percentage of glycol:
30%
Maximum medium temperature:
90°C
Max. working pressure: - primary circuit:
1,0 MPa (10 bar)
- secondary circuit:
1,0 MPa (10 bar)
- domestic circuit:
1,0 MPa (10 bar)
Primary circuit nominal flow rate:
1,2 m
3
/h
Nominal pressure loss on primary circuit:
D
p 50 kPa (0,5 bar)
Maximum differential pressure on primary circuit:
D
p 600 kPa (6 bar)
Domestic water circuit max. flow rate:
24 l/min (0,4 l/s)
Minimum flow rate to activate domestic water flow meter:
2 l/min ±0,3
Electric supply:
230 V (ac) ±10% 50Hz
Max power consumption:
80 W
20 W (SATK2230.)
Protection class:
IP 40
Pump:
UPM3 15-70
Actuators:
stepper 24 V
Probes:
NTC 10 k
Ω
Safety thermostat (SATK2210.):
55°C ±3
Materials
Components:
brass UNI EN12165 CW617N
Connecting pipes:
steel
Frame:
RAL 9010 painted steel
Exchanger:
stainless steel brazed with copper
Insulation
Material: EPP
Density:
45 kg/m
3
Working temperature range:
3-90°C
Thermal conductivity:
0,04 W/mK
Description of connections
