Honeywell NXL Benutzerhandbuch

NXL HVAC Basic speed control – Quick setup

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12. NXL HVAC BASIC SPEED CONTROL – QUICK SETUP

This chapter provides basic setup instructions for the user of NXL HVAC inverters, when using Basic
Speed Control in HVAC applications.

What you need to know

Motor nameplate data

Nominal current

Nominal speed

Speed signal specification

Signal type (V, mA)

Range (0-10, 2-10, 0-20, 4-20)

Setup

1 Run the Start-up Wizard

Note:

Running the Start Up Wizard resets all parameters to their default values.

•

Hold STOP button down for 5 seconds

•

Select application type FAN or PUMP and confirm with ENTER

•

Select motor nominal speed and confirm with ENTER

•

Select motor nominal current and confirm with ENTER

•

For speed signal 0 – 10 V use AI1 (Analogue Input 1)

•

All settings DONE

2 Control Signal Settings for Speed Signals other than 0 – 10 V

•

For other selections full parameter view is needed:
P2.1.14

Parameter Conceal

Set to 0 (not in use)

•

For speed signal 2 – 10 V use Analogue Input 1
P2.2.6

AI1 Signal Range

Set to 4 (2 – 10 V)

•

For speed signal 4 – 20 mA use Analogue Input 2
P2.1.15.14

I/O Reference

Set to 1 (AI2)

•

For speed signal 0 – 20 mA use Analogue Input 2
P2.1.15.14 I/O Reference

Set to 1 (AI2)

P2.2.12 AI2 Signal Range

Set to 1 (0 – 20 mA)

Manual Test

1 Hold LEFT down for 3-5 seconds

Control Place automatically switches to Keypad

2 Use normal keypad buttons for speed control

•

UP and DOWN to adjust the speed

•

START and STOP for control

3 Hold LEFT down for 3 seconds to return to remote control (I/O or Fieldbus)

Pump

Fan

Load

Pressure
Sensor

Control System

Variable Frequency Drive

Motor

Speed Signal
V signal to AI1
mA signal to AI2