Hvac Default Macro - ABB Johnson Controls AYK550-UH User Manual

A 550-UH User's Manual

HVAC Default macro

This macro provides the factory default parameter settings for the AYK550-UH.
Factory defaults can be restored at any time by setting parameter 9902 to 1. The
diagram below shows typical wiring using this macro. When using direct speed
reference in AUTO mode or process PID, see
None (Default macro)
X1
1 SCR
Signal cable shield (screen)
2 AI1 External reference 0(2)...10 V or 0(4)...20 mA
+
3 AGND
Analog input circuit common
4 10V
Reference voltage 10 VDC
5 AI2
PID feedback: 0(2)...10 V or 0(4)...20 mA
+
6 AGND
Analog input circuit common
7 AO1
Output frequency: 0(4)...20 mA
mA
8 AO2
Output current: 0(4)...20 mA
mA
9 AGND
Analog output circuit common
Auxiliary voltage output +24 VDC
10 24V
Auxiliary voltage output common
11 GND
Digital input common for all
12 DCOM
Start/Stop: Activate to start drive
13 DI1
Not configured
14 DI2
Constant (Preset) speed 1 (P 1202)
15 DI3
Safety interlock: Deactivate to stop drive (P 1608)
16 DI4
Not configured
17 DI5
Not configured
18 DI6
19 RO1C
20 RO1A
21 RO1B
22 RO2C
23 RO2A
24 RO2B
25 RO3C
26 RO3A
27 RO3B
Parameters Changed Relative to HVAC Default
Parameter
General considerations
Relay output 1 (P 1401)
Default operation: Ready =>19 connected to 21
Relay output 2 (P 1402)
Default operation: Running =>22 connected to 24
Relay output 3 (P 1403)
Default operation: Fault (-1) =>25 connected to 27
(Fault => 25 connected to 26)
Value
on page 1-49.
J1 Jumper Settings
...
AI1: 0(4)
...
AI2: 0(4)
Parameter
Application macros
1-51
ON
20 mA
20 mA
1 2
Value