Parameter

Description

Value

Default

6OCC

Configures if occupancy status receives signal from the connected thermostat or is displayed as 'ALWAYS' in the Economizer Controller.

T-STAT

ALWAYS

T-STAT

6AUX1-I

Auxiliary DI-1. Configurable as:

  • None
  • Cooling stage 3 (Y3) from thermostat
  • Heat Conventional (W1) from thermostat
  • Heat pump (reversing valve O)
  • Heat pump (reversing valve B)
  • Pre-occupancy signal from thermostat
  • Shutdown signal from RTU

NONE

SHUTDWN

PREOCC

HP(B)

HP(O)

W1

Y3 IN

W1

6AUX2-I

Auxiliary DI-2. Configurable as:

  • None
  • Cooling stage 3 (Y3) from thermostat
  • Heat stage 1 (W1) from thermostat
  • Heat pump (reversing valve O)
  • Heat pump (reversing valve B)
  • Pre-occupancy signal from thermostat
  • Shutdown signal from RTU

Note: Whichever is chosen for '6AUX1-I' doesn't appear in the list of '6AUX2-I'.

NONE

SHUTDWN

PREOCC

HP(B)

HP(O)

W1

Y3 IN

NONE

6OAT SIG

Configures signal type of OAT sensor.

NTC10K

0-10V

NTC10K

6RAT SIG

Configures signal type of RAT sensor.

NONE

0-10V

NTC10K

NONE

6OAH SIG

Configures signal type of OAH sensor.

0-10V

NONE

4-20mA

NONE

6RAH SIG

Configures signal type of RAH sensor.

6MAT SIG

Configures signal type of MAT or LAT sensor.

NTC10K

0-10V

NTC10K

6AUX-AI1

Auxiliary AI-1. Configurable as:

  • CO2 sensor
  • Static pressure (temporarily for CFM commissioning) sensor
  • None

NONE

PRESSURE

CO2

NONE

6X-AI1 SIG

Configures CO2 sensor type.

Dynamic item. Appears only if 'CO2' is selected for '6AUX-AI1'.

0-10V

2-10V

0-5V

0-10V

6CO2 Rng L

Configures the low limit of CO2 measuring range.

Dynamic item. Appears only if 'CO2' is selected for '6AUX-AI1'.

0...500;

increment by 10

0

6C02 Rng H

Configures the high limit of CO2 measuring range.

Dynamic item. Appears only if 'CO2' is selected for '6AUX-AI1'.

1000...3000;

increment by 50

2000

6AUX-AI2

Choose 'ACT FB' if feedback signal is available from the connected damper actuator. Otherwise, choose 'NONE'.

ACT FB

NONE

ACT FB

6AUX-AO

Choose 'VFD' if a VFD (Variable Frequency Drive) is connected to the Economizer. Otherwise, choose 'NONE'.

NONE

VFD

NONE

6Y2O

Choose 'COOL 2' if Cooling Stage 2 is available (another compressor is connected to the Economizer). Otherwise, choose 'NONE'.

COOL 2

NONE

COOL 2

6AUX1-O

Auxiliary DO-1. Configurable as:

  • None
  • Cooling stage 3 output
  • Exhaust fan (1 or 2)
  • Variable speed supply fan
  • Alarm output to thermostat (Title 24)
  • ERV

NONE

ERV

ALARM

SUP FAN

EXHAUST

Y3O

EXHAUST

6AUX2-O

Auxiliary DO-2. Configurable as:

  • None
  • Cooling stage 3 output
  • Exhaust fan (1 or 2)
  • Variable speed supply fan
  • Alarm output to thermostat (Title 24)
  • ERV

Note: Of all but Exhaust Fan, whichever is chosen for '6AUX1-O' doesn't appear in the list of '6AUX2-O'.

NONE

ERV

ALARM

SUP FAN

EXHAUST

Y3O

ALARM

6FAN

Configures fan speeds of the variable speed supply fan.

1SPEED

2SPEED

3SPEED

VFD FAN

2SPEED

6RS485

Switch between MSTP and Modbus slave.

MSTP

MODBUSSLV

MSTP