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 14 of 36
Procedure
Steps
Display
Starting
Display
Start at the temperature display.
F
°
70
AUTO
AUTO
Change the
heating
or cooling
mode.
1.
Push the button under the heating/cooling icon.
2.
Press either the
or
button to select the heating/cooling
mode. The mode may be one of the following.
•
Heat—The system will only heat the space.
•
Cool—The system will only cool the space.
•
Auto—The system will switch between heating and cooling.
•
Off—The system is turned off.
3.
Press the
Enter
button to save the setting. The display returns to the
temperature display.
Enter
Cncl
MODE: HEAT
COOL
AUTO
OFF
Heating/Cooling
Icons
Set the fan
mode.
1. Press the
Enter
button to select the next digit. Repeat for all four digits.
2. Press either the
or
button to select the fan mode from the
following options.
•
Auto (Default) — Auto function is utilized to match EPIC (ECM)
motor with this feature for optimum energy savings.
AUTO FAN RESET for ECM applications only, by enabling the AUTO
FAN RESET located in SYSTEM menu. To adjust default time of 60
mins, select LOCAL OVRD TIME. The AUTO FAN RESET and LOCAL
OVRD TIME work together.
The AUTO FAN RESET function protects from user accidentally
changing out of FAN ‑ AUTO mode on interface. After time
expires, the control will reset back to Auto Mode, while
ensuring the efficiency benefits of the variable speed motor.
The word ON will be placed under the fan icon.
•
Low, Med, High—Sets the speed at which 3‑speed or modulating
fans will run continuously.
3. Press the
Enter
button to save the setting. The display returns to the
temperature display.
Fan Icon
Enter
AUTO FAN RESET
ENABLE
DISABLE
Enter
Cncl
FAN: HIGH
MED
LOW
AUTO
Multi‑speed
fan option
5.4 Setting the operating modes
The operating modes set the following functions:
•
Fan operation
•
Changing between heating and cooling
•
Override scheduled occupancy or occupancy that has been set by a schedule.
•
Change the display units from Fahrenheit to Celsius.
