Beretta 20141085, Installation Manual

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29
2.7.5 Electrical power connections Block diagram
2
MANAGING CONNECTIONS
101 102 103 104 105 106 107 108 109 110 111 112
101 102 103 104 105 106 107 108 109 110 111 112
101 102 103 104 105 106 107 108 109 110 111 112
MO2
DHW P. 3WAY
L N L N L N L N
L
CH PUMP
ALARM
AVAIL.
PB PI
PB
Storage cylinder circulator
PI
System circulator (high temperature zone)
DEPENDING CONNECTIONS
(only if the depending zone is connected)
MO2
ZONE PUMP
L L
N N L
MIX VALVE
P2 V2
113 114 115 116 117 118
113 114 115 116 117 118
CLOSE OPEN
113 114 115 116 117 118
P2 Zone pump 2
V2
Zone Mix Valve 2 (116-117 close; 117-118 open)
ACCESSORY CONNECTIONS FOR ADDITIONAL ZONE
SAFETY
THERMOSTAT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
ROOM
THERMOSTAT
FLOW
SENSOR
P3 V3
V3
BUS
MIX VALVE PUMP
L L L N N L N
P3
P3
Zone 3 circulator (low temperature) (12-13-14)
V3
Mixer valve zone 3 (9-10 closing; 10-11 opening)
2.7.6 Connecting sensors/room thermostats
Diagram 2
MANAGING CONNECTIONS
1 2 3 4 9 10 11 12 13 14 5 6 7 8
MO1
INP. 0-10 V
1 2 3 4 5 6
1 2 3 4 5 6
ROOM TH. MODBUS
7 8 9 10
7 8 9 10
T_DHW_ST. T_SYSTEM
11 12 13 14
11 12 13 14
T_OUTD. T_SYST_2
TA SB SS SE SC
TA Room thermostat
SB Boiler sensor
SS
Primary probe
SE
Outdoor sensor
SC
Secondary probe
DEPENDING CONNECTIONS
(only if the depending zone is connected)
23 24 25 26 27 28
M2D1
23 24 25 26 27 28
23 24 25 26 27 28
ZONE RT T. FL. ZONE OUT. 0-10V
S2 TA
TA
Zone Thermostat
S2
Zone 2 sensor
ACCESSORY CONNECTIONS FOR ADDITIONAL ZONE
SAFETY
THERMOSTAT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
ROOM
THERMOSTAT
FLOW
SENSOR
S3
BUS
MIX VALVE PUMP
L L L N N L N
S3 TA
TA
Zone Thermostat
S3
Zone 3 sensor