Commissioning Instructions

DXR Template Feature Selections

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A6V12035398

DXR Template Feature Selections

The following feature selections will enable fault detection and diagnostics (FDD)

capability in HvacLgtShd12 (VAV) and HvacLgtShd13 (FPB) application templates.

When enabled, FDD functions run continuously in the DXR.

Prerequisite

• The VAV or FPB template to be customized is loaded and accessible in ABT

Site. (See screen captures below.)

FDD Template Selections

Only FDD-required feature selections are provided in this document. Any other

selections are the responsibility of the user, as part of normal configuration of a DXR.

Step 1 – On-board outputs

Select the appropriate on-board outputs to support your terminal box type: single-duct

VAV, dual-duct VAV, or fan-powered VAV. (extract duct VAV is also supported)

Note, Dual Max Heat requires that an On-board output for heating coil be selected:

select a modulating heating coil (hot water or electric) output (AO).

Step 2 – On-board inputs

Select the appropriate on-board inputs to support your terminal box type: single-duct

VAV, dual-duct VAV, or fan-powered VAV. (extract duct VAV is also supported).

In addition, select a room temperature input and a supply air temperature sensor input.

The supply air temperature sensor is required for cascade control of the modulating

heating coil.

Dual Max Heat requires an On-board supply air temperature input: select Supply air

temp. sensor (AI).

Step 3 – Room Temperature

Select either a Room operating unit (KNX PL-Link device) or a room temperature AI

input (e.g. NTC 10k or 100k).

For Demand control ventilation, a local CO2 sensor is required – this can be provided

by selecting an analog CO2 (e.g. 0-10vdc) or an applicable PL-Link Room unit such as

the QMX3.P74 or QMX3.P70.