ALERTON BACtalk Microset II

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Document ID:

Installation &

Operations Guide

6670 185th AVE NE Redmond, WA 98052 USA Voice:425.869.8400 Fax:425.869.8445 e-mail:info@alerton.com www.alerton.com

LTBT-TM-MSET2

Quick Reference ..........................................................................3

Introduction..................................................................................4

Specifications........................................................................4

Mounting.......................................................................................5

Wiring............................................................................................8

Compatibility with Earlier Version VLCs ...................................8

VLC Versions Prior to 1.06c..................................................8

VLC Versions 1.06c through 1.08.........................................8

Operational Overview..................................................................9

Hotel vs. Office Modes..........................................................9

Fan-control vs. No-fan-control Modes...................................9

Cooling and Heating Setpoint Calculation.............................9

Occupied Setpoint Logic (BV-67 ON)...........................9

Unoccupied Setpoint Logic (BV-67 OFF).....................9

After-hours Override Operation...........................................10

Housekeeping Override Operation......................................10

English and Metric Units .....................................................10

Outside Air Temperature (OAT) Display.............................10

LCD Backlight Operation.....................................................10

Testing the LCD..................................................................11

Operating Mode Specifics.........................................................12

DDC for Enabling Operating Modes....................................13

Office Modes.......................................................................14

M1—Office, No Fan, Occupied ..................................14

M2—Office, No Fan, Unoccupied...............................15

M3—Office, No Fan, Occupied, ON/OFF...................16

M4—Office, Fan, Occupied........................................17

M5–Office, Fan, Unoccupied......................................18

Hotel Modes........................................................................20

M6—Hotel, No Fan, Rented.......................................20

M7—Hotel, No Fan, Vacant .......................................21

M8—Hotel, Fan, Rented.............................................22

M9—Hotel, Fan, Vacant.............................................23

Field Service Mode ....................................................................24

Balance Mode.............................................................................25

VLC DDC BV and AV Assignments..........................................26

Microset™ II

Contents

Main Page

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Do you have a question about the ALERTON BACtalk Microset II and is the answer not in the manual?

Summary

Important Safety Information and Installation Precautions

Read All Instructions

Read all safety instructions carefully before installing any equipment to prevent damage or hazardous conditions.

Local Codes and Practices

Always install equipment in accordance with the National Electric Code and local authority.

High Voltage Safety Test

Assume hazardous voltages exist; perform safety checks with reliable devices before work.

Lightning and High-voltage Danger

Low-voltage wiring can carry hazardous high voltages; avoid electrical storms and improper wiring.

Wiring and Equipment Separations

Install wiring and controllers to minimize contact with hazardous wiring and ensure adequate separation.

Quick Reference

Introduction

Specifications

Mounting

Wiring

Compatibility with Earlier Version VLCs

VLC Versions Prior to 1.06 c

Discusses features not supported in VLCs earlier than 1.06c.

VLC Versions 1.06 c through 1.08

Details limitations and features for VLCs 1.06c-1.08.

Operational Overview

Hotel vs. Office Modes

Explains the difference between hotel and office mode settings.

Fan-control vs. No-fan-control Modes

Describes how fan control modes are determined and used.

Cooling and Heating Setpoint Calculation

Details how current heating and cooling setpoints are calculated.

Occupied Setpoint Logic (BV-67 ON)

Explains setpoint calculations when the unit is occupied.

Unoccupied Setpoint Logic (BV-67 OFF)

Explains setpoint calculations when the unit is unoccupied.

After-hours Override Operation

Describes the feature allowing temporary override of unoccupied status.

Housekeeping Override Operation

Details the housekeeping override function for vacant hotel modes.

English and Metric Units

Covers setting the display units to English or metric.

Outside Air Temperature (OAT) Display

Explains how OAT is displayed on the Microset II.

LCD Backlight Operation

Describes how the LCD backlight functions and is controlled.

Testing the LCD

Provides instructions for testing the functionality of the LCD.

Office Modes

M1-Office, No Fan, Occupied

Details the M1 mode for office use with no fan, occupied status.

M2-Office, No Fan, Unoccupied

Details the M2 mode for office use with no fan, unoccupied status.

M3-Office, No Fan, Occupied, ON;OFF

Details the M3 mode for office use with no fan, ON/OFF control.

M4-Office, Fan, Occupied

Details the M4 mode for office use with fan, occupied status.

M5-Office, Fan, Unoccupied

Details the M5 mode for office use with fan, unoccupied status.

Hotel Modes

M6-Hotel, No Fan, Rented

Details the M6 mode for hotel use with no fan, rented status.

M7-Hotel, No Fan, Vacant

Details the M7 mode for hotel use with no fan, vacant status.

M8-Hotel, Fan, Rented

Details the M8 mode for hotel use with fan, rented status.

M9-Hotel, Fan, Vacant

Details the M9 mode for hotel use with fan, vacant status.

Field Service Mode

Balance Mode

VLC DDC BV and AV Assignments