Engineered Comfort Fan Coil Controller EZstat - Default Chapter; Table of Contents

Installation and Operation Manual
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Fan Coil Controller – EZstat
EC-EZstat
Date: 9-2014 Supersedes: NEW
Engineered Comfort reserves the right to change any information concerning product or specification without notice or obligation.
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CONTENTS
1 PREFACE ....................................................................................................................................3
2 SAFETY SYMBOLS & CONSIDERATIONS....................................................................................3
3 INTRODUCTION ........................................................................................................................3
3.1 FEATURES ................................................................................................................................. 3
3.2 USER FUNCTIONS .................................................................................................................... 3
3.3 SPECIFICATIONS ...................................................................................................................... 4
3.4 EZSTAT FEATURES .................................................................................................................... 6
4 INSTALLATION ...........................................................................................................................7
4.1 MOUNTING THE EZSTAT .........................................................................................................7
4.2 CONNECTING INPUTS ............................................................................................................. 8
4.3 CONNECTING OUTPUTS ......................................................................................................... 9
4.4 CONNECTING POWER ........................................................................................................... 11
4.5 MAINTENANCE ...................................................................................................................... 11
5 USER FUNCTIONS ...................................................................................................................12
5.1 OPERATING THE EZSTAT .......................................................................................................12
5.2 ENTERING USER OR ADMIN PASSWORD............................................................................. 13
5.3 CHANGING THE ACTIVE SETPOINTS .................................................................................... 13
5.4 SETTING THE OPERATING MODES ....................................................................................... 14
6 COMMISSIONING FUNCTIONS ...............................................................................................15
6.1 CREATING AND/OR CHANGING PASSWORDS ..................................................................... 16
6.2 SETTING THE COMMISSIONING SETPOINTS ......................................................................17
6.3 SET UP THE COMMUNICATIONS ..........................................................................................18
6.4 SET THE TIME AND DATE ...................................................................................................... 19
6.5 SETTING THE OCCUPANCY SCHEDULE ................................................................................ 20
6.6 ENTER THE COMMISSIONING MODE .................................................................................. 21
6.7 ADVANCED OPTIONS ............................................................................................................ 25
7 SEQUENCES OF OPERATION ...................................................................................................27
7.1 SETPOINT LIMITS .................................................................................................................. 27
7.2 OCCUPANCY ........................................................................................................................... 27
7.3 AUTOMATIC COOLING AND HEATING CHANGEOVER ........................................................ 28
7.4 SCHEDULING OCCUPANCY ...................................................................................................28
7.5 DISPLAY BLANKING AND BACKLIGHT .................................................................................. 28
7.6 TEMPERATURE SENSING INPUTS .........................................................................................28
7.7 PID CONTROL LOOPS ............................................................................................................ 28
7.8 VALVE OPERATION FOR FAN COILS ......................................................................................28
7.9 FAN OPERATION FOR FAN COILS .........................................................................................29
7.10 ONE, TWO, AND THREE SPEED FANS ................................................................................... 29
8 SYSTEM INTEGRATION ...........................................................................................................30
8.1 BACNET OBJECTS .................................................................................................................. 30
8.2 CONNECTING TO MS/TP NETWORK .................................................................................... 34