Installation Instructions

Document No. 129-404
Installation Instructions
April 13, 2020
Page 6 of 7 Siemens Industry, Inc.
Wiring Diagrams, Continued
Master/Slave: GCA15x
Table 2. Wire Designations.
Standard
Symbol
Function
Terminal
Connection
Color
Standard
Plenum
1
Supply (SP)
G
Red
Red
2
Neutral (SN)
G0
Black
Black
3
Line
L
Black
Black
4
Neutral
N
White
White
6
Control signal
clockwise
Y1
Violet
Violet
7
Control signal
counterclockwise
(GCA16x)
Y2
Orange
Orange
8
Input Signal
0 to 10 Vdc (GCA16x)
2 to 10 Vdc (GCA15x)
Y
Gray
Gray
9
Position Output
0 to 10 Vdc (GCA16x)
2 to 10 Vdc (GCA15x)
U
Pink
Pink
S1
Switch A Common
Q11
Gray/
red
Gray/
red
S2
Switch A N.C.
Q12
Gray/
blue
Gray/
blue
S3
Switch A N.O.
Q14
Gray/
pink
Gray/
pink
S4
Switch B Common
Q21
Black/
red
Black/
red
S5
Switch B N.C.
Q22
Black/
blue
Black/
blue
S6
Switch B N.O.
Q24
Black/
pink
Black/
pink
P1
Feedback
Potentiometer
0 to 100% P1 - P2
a
White/
red
Black
P2
Feedback
Potentiometer
Common
b
White/
blue
Black
P3
Feedback
Potentiometer
100 to 0% P3 - P2
c
White/
pink
Black
Retrofit Wiring
Modulating Control
(0 to 10 Vdc)
Function
Siemens
GCA Series
Belimo
AFB Series
Honeywell
MS7520 Series
Johnson
M9220 Series
Color
Number
Color
Number
Color
Number
Color
Number
Supply (24V)
Red
1
Red
2
Red
1
Red
2
Common
Black
2
Black
1
Black
2
Black
1
0(2) to 10 Vdc Input
Gray
8
White
3
White
3
Gray
3
0(2) to 10 Vdc Feedback
Pink
9
Orange
5
Blue
5
Orange
4
2-Position Control
(24 Vac/Vdc)
Function
Siemens
GCA Series
Belimo
AFB Series
Honeywell
MS8120 Series
Johnson
M9220 Series
Color
Number
Color
Number
Color
Number
Color
Number
Supply (24V)
Red
1
Red
2
Red
1
Red
2
Common
Black
2
Black
1
Black
2
Black
1
2-Position Control
(120 Vac)
Function
Siemens
GCA Series
Belimo
AFB Series
Honeywell
MS4120 Series
Johnson
M9220 Series
Color
Number
Color
Number
Terminal
Only
Number
Color
Number
Line (120V)
Black
3
Black
2
1
Black
2
Neutral
White
4
White
1
2
White
1