46
Solution 6: System with two direct multi-zone circuits and a remote hot water tank for preheating domestic hot water
OV
SP
SE
PC1
PC2
R1
= PC1
R2
= PC2
SE
= SE
S2 AUX = SPS
RF
SA1
SA2
ACS
R
M U
E
SPS
S2 AUX
SE
R1
R2
M
System delivery
U
Domestic hot water output
E
Domestic hot water inlet
R
Boiler return
DHW
Domestic hot water
SE
External temperature sensor
OV
Thermostatic diverter mixer
PC1
Direct circuit pump 1
PC2
Direct circuit pump 2
SPS
Domestic hot water preheating sensor
SP
Hydraulic separator
SA1-2
Wireless room probe
RF
Radio-frequency receiver
Solution 8: System with one direct multi-zone circuit and a remote solar hot water tank for preheating domestic hot water
PS
SC
PC1
R1
= PC1
R2
= PS
S1
PT1000
= SC
SE
= SE
S1 AUX = SBS
S2 AUX = SPS
SE
SA1
RF
M U
R
E
R1
SE
SBS
SPS
OV
S1 AUX
S2 AUX
R2
S1
PT1000
SP
ACS
M
System delivery
U
Domestic hot water output
E
Domestic hot water inlet
R
Boiler return
DHW
Domestic hot water
SE
External temperature sensor
OV
Thermostatic diverter mixer
PC1
Direct circuit pump 1
Vz
Zone valve
PS
Solar pump
SBS
Solar hot water tank sensor
SC
Solar manifold probe
SPS
Domestic hot water preheating sensor
SP
Hydraulic separator
SA1-2
Wireless room probe
RF
Radio-frequency receiver