Table of Contents
Advertisement
Operating Procedures
Table 8.
Module input/output screens (continued)
Master I/O Expansion #2 Screen
When an I/O screen is displayed, switching to other I/O
screens is accomplished by pressing their respective
buttons:
•
The ANALOG button displays the analog screen.
•
The DIGITAL button displays the digital screen.
•
The EXP I/O button displays the expansion IO screen.
Analog Inputs
AI1 – AI3, AI6 – AI8
These inputs indicate the inlet or outlet temperatures for
each of the three heat exchangers: evaporator, condenser,
or source.
AI4
This input indicates suction pressure.
AI5
This input indicates discharge pressure.
40
Master I/O Expansion #1 Screen
Slave I/O Expansion #2 Screen
AI9
This input indicates the panel temperature (optional). It is
used when the temperature control inside the control
panel requires either heating (for a cold environment) or
cooling (for a hot environment).
Analog Outputs
Analog output (AO) data includes these parameters:
AO1, AO2, AO3
These outputs indicate the evaporator, condenser, or
source isolation valve position as a percentage of opened
condition.
AO5
This indicates compressor speed (optional). It is used in
case of VSD-controlled compressors.
Digital Inputs
Digital input (DI) data includes these parameters:
ARTC-SVX005A-EN
Advertisement
Table of Contents
