14
15
2.3. Heating unit layout
TS
EXTERNAL PROBE
PS
PR
CYLINDER
domestic cold
water
domestic hot
water
CYLINDER PROBE
ZONE 1
HIGH TEMPERATURE
TA 2
REMOTE CONTROL
or
TA 1
COLLECTOR
P1
P2
M
TSM
LOW TEMPERATURE FLOW PROBE
ZONE 2
LOW TEMPERATURE
VM
HEATING UNIT
S1
MODEL BV
PR: CH PUMP
PS: DHW PUMP
P1: HIGH TEMPERATURE PUMP
P2: LOW TEMPERATURE PUMP
TS: LIMIT TERMOSTAT
TSM: LOW TEMPERATURE LIMIT
TERMOSTAT
VM: MIXING VALVE
TA1: ZONE 1 ROOM THERMOSTAT
(OPTIONAL)
TA2: ZONE 1 ROOM THERMOSTAT
(OPTIONAL)
TA 1
TS
EXTERNAL PROBE
PS
PR
HEATING UNIT
CYLINDER
Domestic cold water
Domestic hot water
REMOTE CONTROL
or
CYLINDER PROBE
ZONA 1
HIGH TEMPERATURE
TS
S1
MODEL B
PR CH PUMP
PS DHW PUMP
TS LIMIT THERMOSTAT
TA1 ROOM THERMOSTAT (OPTIONAL)
TA 1
TS
HEATING UNIT PROBE
EXTERNAL PROBE
PR
HEATING UNIT
REMOTE CONTROL
or
ZONE 1
HIGH TEMPERATURE
MODEL R
PR CH PUMP
TS LIMIT THERMOSTAT
TA1 ROOM THERMOSTAT (OPTIONAL)
TS
HEATING UNIT PROBE
EXTERNAL PROBE
PR
HEATING UNIT
ZONE 1
HIGH TEMPERATURE
TA 2
COMANDO REMOTO
or
TA 1
COLLECTOR
P1
P2
M
TSM
LOW TEMPERATURE FLOW PROBE
ZONE 2
LOW TEMPERATURE
VM
MODEL RV
PR: CH PUMP
PS: DHW PUMP
P1: HIGH TEMPERATURE PUMP
P2: LOW TEMPERATURE PUMP
TS: LIMIT THERMOSTAT
TSM: LOW TEMPERATURE LIMIT
THERMOSTAT
VM: MIXING VALVE
TA1: ZONE 1 ROOM THERMOSTAT
(OPTIONAL)
TA2: ZONE 2 ROOM THERMOSTAT
(OPTIONAL)
pic. 7
