16
2.4.1 Specification - control unit (WPMi and WPMiw)
Supply voltage 230 V ~ ± 10 %, 50 Hz
Power consumption Max. 8 VA
EN 60529 Protection IP 1XB
EN 60730 Class II
Function type 1B
Software - class A
Control panel integration to DIN 43700 Cut-out 138 x 92
Clock backup, day > 10 hours
Permiss. ambient temperature during opera-
tion 0 to 50 °C
Permiss. ambient temperature during storage - 30 to 60 °C
Sensor resistances Test resistance at 2000 Ω
Communication system RS232 (optical), CAN
Max. relay output capacities
Buffer loading pump 2 (1.5) A
Heating circuit pump 2 (1.5) A
Mixer circuit pump 2 (1.5) A
DHW loading pump 2 (1.5) A
DHW circulation pump 2 (1.5) A
Source pump 2 (1.5) A
Contact HS 2 2 (1.5) A
Mixer 2 (1.5) A
Max. total relay output capacity 10 (10) A
Heating pump curve
C26_03_01_0187
H
[m]
5
4
3
2
1
0
01234
Q[m/h]
6
3
2
1
3