andrews COMBIflo 100/300 Installation, Operation And Maintenance Manual page 14

Heating Circuit 1 + Heating Circuit 2 + Heating Circuit 3 (with Compensation & Room Controls)
B9
T
RC1
Y1/Y2
Q2
HC1
230V 50Hz
ANDREWS COMBIfl o DRAFT
RC2 RC3
Y5/Y6 Y11/Y12
B12 Q20 B14
Q6
B1
HC2
HC3
Outside Sensor
QAC34
(P/N: 5104726)
HC1 Pump
Q2
HC1 Mixer Valve
Y1 / Y2
B1 10K Temp Sensor
QAD36
(P/N: 5103867)
Room Control
Room Control
QAA75 QAA55
(P/N: 5117802) (P/N: 5138511)
RC1 RC2
HC3 Pump
HC2 Pump
Q20
Q6
HC2 Mixer Valve
Y5 / Y6
B12 10K Temp Sensor B14 10K Temp Sensor
QAD36 QAD36
(P/N: 5103867) (P/N: 5103867)
12
ANDREWS
WATER HEATERS
Room Control
QAA55
(P/N: 5138511)
RC3
HC3 Mixer Valve
Y11 / Y12
GB/IE