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Typical ECB-PTU-107 Wiring Diagram
Heat
Electric Heater
100-240 V AC
Power supply
BACnet MS /TP Network
3 Speed Fan
RJ 45
100/240 VAC PWM
100/240 VAC PWM
EC-Sensor-SOF
Cool /
Change
Over
Unused / Window Contact
Unused / AuxContact / ChgOver / OccSensor
Unused / AuxContact / ChgOver / CondSensor
UI2 = SpOffset / ReturnTemp / DischargeTemp / WaterTemp / Unused
SI3 = SpaceTemp / ReturnTemp / DischargeTemp / WaterTemp / Unused
NET-
NET+
SHIELD
TEMP
COMMON
SETPOINT
FANSPEED
LED
CONNECTORS
NET-
NET+
SHIELD
TEMP
COMMON
SETPOINT
FANSPEED
LED
CONNECTORS
EC-Smart-Comfort-
SOF
Pass-Through
RJ-45 Connec�on
EC-Smart-Vue
Pass-Through
RJ-45 Connec�on
Subnet MAC
Address
RJ-45 Subnet
Connector
EC-Mul�-Sensor
1
2
3
4
7
7
7
6 6
5
M
1
2
3
N
M
1
2
3
N
1A / Un 9A / Un
4A
TOTAL 3A / Un
Un:100-240V
1A / Un 9A / Un
4A
TOTAL 3A / Un
Un:100-240V
£ SI3 input can be configured for SpaceTemp, ReturnTemp, WaterTemp or DischargeTemp sensor (10KTypeII) using SI3Config (MSV19)
£ UI2 Input can be configured for SetpointOffset (10K), ReturnTemp, Watertemp or DischargeTemp sensors (10KTypeII) using UI2Config
(MSV18)
£ DI4 input can be configured for WindowContactNO or WindowContactNC using DI4Config (MSV20)
£ DI5 input can be configured for AuxContactNO, AuxContactNC, ChgOverHeat, ChgOverCool, CondSensorNO or CondSensorNC using
DI5Config (MSV21)
£ DI6 input can be configured for AuxContactNO, AuxContactNC, ChgOverHeat, ChgOverCool, OccSensorNO or OccSensorNC using DI6-
Config (MSV22)
£ This Valve output is used for Change Over if SystemType (MSV24) is set to ChgOver / ChgOverElecHeat
£ DO5 and DO6 output can be used for control Floating Valve (heat, cooling or change Over) using HeatValveType (MSV27) or CoolVal-
veType (MSV26) with DO5 = Open and DO6 = Close
£ Support every version of EC-Multi-Sensor, EC-Smart-Vue and EC-Smart-Comfort / EC-Smart-Air