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MultiSITE MS8000 Series Room Controllers
Due to our policy of continuous product innovation, some specifications may change without notification.
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Control Type
On/Off
Floating
Analog
1- BO1
Not used
Not used
Not used
2- BO2
Fan-L
Fan-L
Fan-L
3- BO3
Fan-M
Fan-M
Fan-M
4- BO4
Fan-H
Fan-H
Fan-H
5- RC / 24 Vac ~ Hot
24 Vac ~ Hot
24 Vac ~ Hot
24 Vac ~ Hot
6- C / 24 Vac ~ Com
24 Vac ~ Com
24 Vac ~ Com
24 Vac ~ Com
7- RH
Aux Heat
Aux Heat
Aux Heat
8- BO8
Aux Heat
Aux Heat
Aux Heat
9- UO9
Normally Close Cool Valve
Close Cool Valve
Not used
10- UO10
Normally Close Heat Valve
Close Heat Valve
Not used
11- UO11
Normally Open Cool Valve
Open Cool Valve
Analog Heat Valve
12- UO12
Normally Open Heat Valve
Open Heat Valve
Analog Cool Valve
13- RS485 +
RS485 +
14- RS485 -
RS485 -
15- RS485 Ref
RS485 Ref
16- UI16
UI16 Function
17- UI17
UI17 Function
18- Scom
Common
19- UI19
UI19 Function
20- UI20
Remote Room Sensor
21- Scom
Common
22- UI22
Remote Supply Sensor
23- UI23
Not used
24- UI24
Not used
Terminal Identification for a Three-Speed Fan System
TERMINAL IDENTIFICATION AND
FUNCTION FOR MS8350
Table 1: Terminal Identification and Function for a Three-Speed Fan Type System.
Terminal Identification for an Electronically Commutated Motor (ECM) Fan System
Control Type
On/Off
Floating
Analog
1- BO1
Normally Close Heat Valve
Close Heat valve
Not used
2- BO2
Not used
Not used
Not used
3- BO3
Not used
Not used
Not used
4- BO4
ECM Fan Start
ECM Fan Start
ECM Fan Start
5- RC / 24 Vac ~ Hot
24 Vac ~ Hot
24 Vac ~ Hot
24 Vac ~ Hot
6- C / 24 Vac ~ Com
24 Vac ~ Com
24 Vac ~ Com
24 Vac ~ Com
7- RH
Aux Heat
Aux Heat
Aux Heat
8- BO8
Aux Heat
Aux Heat
Aux Heat
9- UO9
Normally Close Cool Valve
Close Cool Valve
Not used
10- UO10
Analog ECM Fan
Analog ECM Fan
Analog ECM Fan
11- UO11
Normally Open Cool Valve
Open Cool Valve
Analog Heat valve
12- UO12
Normally Open Heat Valve
Open Heat Valve
Analog Cool Valve
13- RS485 +
RS485 +
14- RS485 -
RS485 -
15- RS485 Ref
RS485 Ref
16- UI16
UI16 Function
17- UI17
UI17 Function
18- Scom
Common
19- UI19
UI19 Function
20- UI20
Remote Room Sensor
21- Scom
Common
22- UI22
Remote Supply Sensor
23- UI23
Not used
24- UI24
Not used
Table 2: Terminal Identification and Function for an ECM Fan Type System.