Installation and Operation Manual
●
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.
Page 3 of 36
1 PREFACE
Your equipment is initially protected under the manufacturer’s standard warranty. However, this warranty is provided under the
condition that the steps outlined in this manual are followed for initial inspection, proper installation, periodic maintenance and
everyday operation of the equipment.
This manual should be fully reviewed in advance of any actual work being done on the equipment.
Should any questions
arise, please contact your local Sales Representative or the factory before proceeding.
Consult the approved unit submittal, order acknowledgment, and other manuals for details on the applications and accessories
provided with the equipment on each project.
Always follow proper procedures related to safety, handling, installation, operation, servicing of mechanical equipment as the
manufacturer assumes no responsibility for personal injury or property damage resulting from improper or unsafe practices
during handling, service or operation of any equipment.
2 SAFETY SYMBOLS & CONSIDERATIONS
The equipment covered by this manual is designed for safe and reliable operation within its design specification limits. To avoid
personal injury or damage to equipment or property while installing or operating this equipment, it is essential that qualified,
experienced personnel perform these functions using good judgment and safe practices. To promote safety, the following
symbols are used in this document to alert the reader to potential hazards:
3 INTRODUCTION
The EZstat combines the power of a space‑mounted equipment controller with the convenience of built‑in temperature sensors.
The EZstat controller includes a wide range of factory supplied programs for two and four pipe fan coil units.
3.1 Features
•
No special programming, software application, or setup tools are required to configure and commission an
EZstat
•
Bright, full‑color display is easy to read across a room even in bright sunlight
•
Display ‑ Large numbers and simple color icons to indicate heating or cooling, local setback modes, and fan operation
•
Five function keys, operator can change set‑points and fan, heating, cooling modes, choose between Fahrenheit or
Celsius values, Set BACnet addressing, Set up and commission the installation, and add or change user passwords
•
Ready to connect to a BACnet MS/TP network. Device instance, MAC address, and baud rate are set from the
password protected front controls; feature a hardware clock and BACnet schedule that can be set up from the front
panel or as standard BACnet objects and properties
•
White finish
3.2 User Functions
EZstat user functions are limited to changing the following functions:
•
Active temperature set‑points
•
Fan operation
•
Changing between heating and cooling
•
Override scheduled occupancy or occupancy based on the schedule in the EZstat
•
Change the display between Fahrenheit and Celsius
NOTE
NOTE is used to highlight additional information
which may be helpful to you.
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in
death or serious injury.
CAUTION identifies a hazard which could lead
to damage to the machine, damage to other
equipment and/or environmental pollution.
Usually an instruction will be given, together
with a brief explanation.
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injury.
TIP
TIP indicates time saving shortcuts and
programming tips.
