HYDRAULISCHE SCHEMA'S
Schema 420 (K20) - Warmtepomp met elektrische verwarming, direct circuit,
warmwatertank.
T2
2 GND
23 24
31 N
R1
R8
Schema 421 (K20) - Olieketel, warmteaccumulator, mengcircuit, warmwatertank.
T2
2 GND
6 GND
T6
R8+
22
22
N
N
31
29
3 GND
25 N
R4=
R3=
T3
R2
26
N
27
4
GND
23 24
25
N
3 GND
R1
26
N
T3
27
R7
T4
R7
R2
28 N
R3(+)
R4(-)
R5
NL
420
30
N
T6
6
GND
T5
5
GND
421
30
N
T5
5
GND
129