144
MODBUS registers
Address
register
Meaning Description
5 Function settings
bit15 Reserved
bit14 Reserved
bit13 1 = ZONE 2 curve on; 0 = ZONE 2 curve disabled
bit12 1 = ZONE 1 curve on; 0 = ZONE 1 curve disabled
bit11 DHW pump operating with return water at constant
temperature
bit10 ECO mode
bit9 Reserved
bit8 Holiday at home (read only, cannot be changed)
bit7 0= silent level1; 1= silent level2
bit6 Silent mode
bit5 Going on holiday (read only, cannot be changed)
bit4 Sterilisation (disinfection)
bit3 Reserved
bit2 Reserved
bit1 Reserved
bit0 Reserved
6 Curve selection
bit8-bit15 ZONE 2 Curves 1- 9
bit0-bit7 ZONE 1 Curves 1- 9
7 Forced hot water
0 invalid
1 forced ON
2 forced OFF
TBH is the electric heater inside the storage tank,
IBH is the heating backup electric heater
TBH and IBH cannot be forced together
8 Forced TBH
9 Forced IBH
10 SG operation time 0-24hrs
11
Set the water
temperature T1s zone1
Water temperature T1s setting for ZONE 1
12
Set the water
temperature T1s
zone2
Water temperature T1s setting for ZONE 2
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