
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 12 of 36
5 USER FUNCTIONS
This secon covers topics for the end user in a facility.
EZstat user funcons are limited to changing the following funcons:
• Acve temperature setpoints
• Fan operaon
• Changing between heang and cooling
• Override scheduled occupancy or occupancy based on the schedule in the EZstat.
• Change the display between Fahrenheit and Celsius
5.1 OperangtheEZstat
EZstat funcons are accessible through a user interface consisng of simple, context sensive menus. The menus are
opened and opons are selected by using the buons and a color display on the front of the EZstat. See Secon 3.4 for
EZstat features.
• Pressing either the or buon changes a selecon, seng, or value.
• Pressing the Enter buon saves the selected seng or value. Typically the Enter buon is the middle of the three
buons below the display.
• Saving a selecon also advances to the next display.
The three buons below the display are dened by labels in the so key bar. Typically the buons are designated for the
following funcons:
Back Returns to the previous menu.
Cncl Cancels current changes.
Done
Push this buon at any point while entering a value. For example, if you have entered the rst two digits of
a password and the remaining two digits are correct, pushing Done completes the entry of the password.
Enter Pushing this buon enters the selecon and advances to the next step.
Exit Returns to temperature display
Icon Descripon Mode
The fan icon rotates when the system fan is operaonal. In systems with mulspeed fans the
icon rotaon is the same regardless of speed. When fan operaon is set to automac, the
word “ON” is placed under the fan icon.
Fan
Occupied—Occupancy is set to occupied by the schedule maintained in the controller. Occupancy
Unoccupied—Occupancy is set to unoccupied by the schedule maintained in the controller. Occupancy
Standby—The space is temporarily unoccupied because of lack of detected moon in the
room.
Occupancy
Override—A user has entered temperature setpoints that override the unoccupied setpoints. Occupancy
Cooling—The system will cool the space unl the cooling setpoint is reach. The icon is in
moon when cooling is taking place.
Heang/Cooling
Heang—The system will heat the space unl the heang setpoint is reached. The icon is in
moon when heang is taking place.
Heang/Cooling
O System is o Heang/Cooling
The operang modes of the EZstat are represented by the display icons.
Table5–1Operangmodeicons
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