ABB ACH550-UH User Manual page 54

1-50
Application / macro listing
This section describes the following macros:
9902
Value
1
2
3
4
5
6
7
8
Selecting an application macro
To select a macro, follow these steps:
1
2
3
4
Restoring defaults
To restore the factory default settings, select the application macro HVAC Default.
Control wiring
Each macro has specific requirements for control wiring. For general details
about the ACH550 control wiring terminals, see
page 1-316. Specific wiring requirements are included with each macro description.
Application macros
Macro
HVAC Default
Supply Fan
Return Fan
Cooling Tower Fan
Condenser
Booster Pump
Pump Alternation
Internal Timer
Select MENU to enter the main menu.
Select ASSISTANTS with the UP/DOWN
buttons and select ENTER.
Scroll to APPLICATION and select
ENTER.
Select a macro with the UP/DOWN buttons
and select SAVE.
9902
Value
9 Internal Timer with Constant Speeds
10 Floating Point
11 Dual Setpoint PID
12 Dual Setpoint PID with Constant Speeds
13 E-bypass
14 Hand Control
15 E-Clipse
Control terminal descriptions
ACH550-UH User's Manual
Macro
on