7
Circuit diagram
K1--
On-site contactor
E1 -- Storage tank heating coil 3x 2kW
K5b -- Heat pump enable contact
L
L1
L2
L3
N
K1
E1
K5b
2 kW
2 kW
2 kW
A1
1
12
14
11
X2.4
X2.6
X2.5
3
5
2
4
6
A2
Mains supply fr
om
sub-distribution
W
ithin the inside unit switch cabinet