Terminal Identification And Function For Ms8350 - LG MultiSITE MS8000 Series Installation Manual

TERMINAL IDENTIFICATION AND
FUNCTION FOR MS8350
Terminal Identification for a Three-Speed Fan System
Table 1: Terminal Identification and Function for a Three-Speed Fan Type System.
Control Type
1- BO1
2- BO2
3- BO3
4- BO4
5- RC / 24 Vac ~ Hot
6- C / 24 Vac ~ Com
7- RH
8- BO8
9- UO9
10- UO10
11- UO11
12- UO12
13- RS485 +
14- RS485 -
15- RS485 Ref
16- UI16
17- UI17
18- Scom
19- UI19
20- UI20
21- Scom
22- UI22
23- UI23
24- UI24
Terminal Identification for an Electronically Commutated Motor (ECM) Fan System
Table 2: Terminal Identification and Function for an ECM Fan Type System.
Control Type
1- BO1
2- BO2
3- BO3
4- BO4
5- RC / 24 Vac ~ Hot
6- C / 24 Vac ~ Com
7- RH
8- BO8
9- UO9
10- UO10
11- UO11
12- UO12
13- RS485 +
14- RS485 -
15- RS485 Ref
16- UI16
17- UI17
18- Scom
19- UI19
20- UI20
21- Scom
22- UI22
23- UI23
24- UI24
12
On/Off
Not used
Fan-L
Fan-M
Fan-H
24 Vac ~ Hot
24 Vac ~ Com
Aux Heat
Aux Heat
Normally Close Cool Valve
Normally Close Heat Valve
Normally Open Cool Valve
Normally Open Heat Valve
On/Off
Normally Close Heat Valve
Not used
Not used
ECM Fan Start
24 Vac ~ Hot
24 Vac ~ Com
Aux Heat
Aux Heat
Normally Close Cool Valve
Analog ECM Fan
Normally Open Cool Valve
Normally Open Heat Valve
Due to our policy of continuous product innovation, some specifications may change without notification.
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Floating
Not used
Fan-L
Fan-M
Fan-H
24 Vac ~ Hot
24 Vac ~ Com
Aux Heat
Aux Heat
Close Cool Valve
Close Heat Valve
Open Cool Valve
Open Heat Valve
RS485 +
RS485 -
RS485 Ref
UI16 Function
UI17 Function
Common
UI19 Function
Remote Room Sensor
Common
Remote Supply Sensor
Not used
Not used
Floating
Close Heat valve
Not used
Not used
ECM Fan Start
24 Vac ~ Hot
24 Vac ~ Com
Aux Heat
Aux Heat
Close Cool Valve
Analog ECM Fan
Open Cool Valve
Open Heat Valve
RS485 +
RS485 -
RS485 Ref
UI16 Function
UI17 Function
Common
UI19 Function
Remote Room Sensor
Common
Remote Supply Sensor
Not used
Not used
Analog
Not used
Fan-L
Fan-M
Fan-H
24 Vac ~ Hot
24 Vac ~ Com
Aux Heat
Aux Heat
Not used
Not used
Analog Heat Valve
Analog Cool Valve
Analog
Not used
Not used
Not used
ECM Fan Start
24 Vac ~ Hot
24 Vac ~ Com
Aux Heat
Aux Heat
Not used
Analog ECM Fan
Analog Heat valve
Analog Cool Valve