Magic Aire HHA Series, Installation, Operation And Maintenance Manual

Page: 48 / 66

035-000029-001 Page 48 HHA IOM 1.4 10/11/2021
Table 3—VFD Parameters—Control (digit 17) Option D
(Constant CFM control)
SERVICE-VFD Parameters—Cont’d
Parameter Index Parameter Function Setting
1611 Parameter View 3 (Long View)
9902 Application Macro 1 (HVAC Default)
9905 Motor Nom Voltage 230 or 460 (see Nameplate)
9906 Motor Nominal Current SEE MOTOR TABLE (PG 49)
9908 Motor Nominal Speed 3500 (HHA04-25); 1750 (HHA30-40)
1001 Start/Stop Command 1 (DI1)
1002 EXT 2 Comands 1 (DI1)
1003 Motor Direction 1 (Forward)
1102 EXT 1 - EXT 2 SEL EXT 2
1104 Min Frequency 10 Hz
1105 Max Ref Frequency SEE MOTOR TABLE (PG 49)
1103 REF1 Select 2(AI2)
1106 REF2 Select 19(PID1Out)
1201 Constant Speed Selection 0 (No Constant Speed)
1301 AI-1 Minimum 0.2
1302 AI-1 Maximum 1
1601 run enable 1 (DI1)
1608 Start Enable 1 (DI1)
1609 Start Enable 2 1 (DI1)
1610 Display Alarms 1 (Yes)
2003 Max Motor Current SEE MOTOR TABLE (PG 49)
2008 Maximum Output drive frequency SEE MOTOR TABLE (PG 49)
2202 Acceleration Time 5s
2203 Decel Time 5s
2606 Switching Frequency 16 kHz
3404 OUTPUT 1 DISPLAY FORM 9 (Direct)
3408 SIGNAL 2 PARAM 130 (PID 1 FBK)
3411 OUTPUT 2 DSP FORM 6 (2 DEC)
3412 OUTPUT 2 DSP UNIT 58 (in H20)
3415 OUTPUT 3 PARAMETER 0128 (PID SETPOINT)
3418 OUTPUT 3 DISPLAY FORM 6 (2 DEC)
3419 OUTPUT 3 UNITS 58 (in H20)
(Parameters continued on Page 49)