American Standard CH530 - Manual (Page 60)

CDHF-SVU01C-EN 60
Control System
Components
GBAS (Generic Building Automation System)
1A15 Optional Dual
GBAS Signal #1 Percent RLA Compressor Output J2-1 Output #1, J2-3 Ground
Analog Input/
output Module
1A16 Optional Dual
GBAS Signal #1 External Current limit Setpoint J2-2 Input #1, J2-3 Ground
Analog Input/
output Module
1A16 Optional Dual
GBAS Signal #2 Chilled Water Reset input, J2-5 Input #2, J2-6 Ground
Analog Input/ or External Chiller Water Setpoint
output Module
Percent RLA Output
2 to 10 Vdc corresponding to 0 to
120% RLA. With a resolution of
0.146%. The Percent RLA Output
connections are on the terminals
1A15 –J2-1 (+) to J2-3 (Ground). The
Percent RLA Output is polarity
sensitive.
The following graph illustrates the
output:
Figure 27. Voltage versus percent RLA