Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 A Manual de usuario descargar pdf (Pagina 42)

This tool includes information on commissioning the economizer functionality of

the DDC controller. The instructions below are based on factory default values.

Results may vary depending on the current settings of the unit.

The unit may delay up to three (3) minutes before going into economizer mode.

Commissioning the economizer functionality is done by overriding the outdoor

air and supply air conditions to simulate a scenario in which economizer is used

for cooling. NOTE: Overriding the physical inputs can be dangerous to the

equipment. Use caution when adjusting these values and RESET POWER WHEN

FINISHED!!!

The table below indicates the necessary override values for the corresponding

sensor to simulate economizer. The ‘Supply Temp Source’ can be found on the

‘Supply Temp Set Point’ screen. Navigate to the Analog Inputs Override menu

(Service -> Overrides -> Analog Inputs) and refer to the table below for the

appropriate override value.

In situations where mechanical cooling is available during economizer, increase

the outdoor air temperature to 57.1 F to unlock the cooling.

Economizer Commissioning Tool

Econ Type

Supply

Temp

Source

Outdoor Air

Temp

Cold Coil

Temp

Discharge

Temp

Room Air

Temp

Outdoor

Air Relative

Humidity

Temp Only

Outdoor Air

Reset

53.0ºF 75.0ºF 75.0ºF - -

Room Air

Reset

53.0ºF 75.0ºF 75.0ºF 75.0ºF -

Local/BMS 53.0ºF 75.0ºF 75.0ºF - -

Temp and

Dew Point

Outdoor Air

Reset

53.0ºF 75.0ºF 75.0ºF - 30%

Room Air

Reset

53.0ºF 75.0ºF 75.0ºF 75.0ºF 30%

Local/BMS 53.0ºF 75.0ºF 75.0ºF - 30%

Analog Input

Outside Temperature

ManualControl B005: ON

ManualPosition: 57.1

Value 57.1

Service Menu

a. Information

b. Overrides

c. BMS Config

I/O Manual Control

E. Components

A. Analog

B. Digital Inputs

DDC Controller for Tempered Air Products

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Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 A Manual de usuario Pagina 42

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