20
TWIN FLOW ELECTRICS
Mains
L1 N2 E
W Htg
switch
L1 L13
N2 N23
E
Htg Boiler
Switch
L1 L12
N2 N22
E
Keypad x3
31 32
Htg Control
L12 N22 E
443 444
DHW Flow
Switch
441 442
W Htg
L13 N23 E
31 32
Boiler
L12
N22 E
41 42 43 44
Electrical Backplate Layout
240volts 3Amp Fused
Controls 0 volt Contacts
