Engineered Comfort Fan Coil Controller EZstat Especificaciones descargar pdf (Pagina 26)

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.

Page 26 of 36

Procedure Steps Display

Reset the

applicaon and

choose units of

measure.

Choosing an applicaon will reset the EZstat.

Adjust the PID

loops.

Choose LOOPS from the ADVANCED menu to adjust the values for

the cooling or heang PID loops. Only the proporonal and integral

properes can be changed from the display.

• The proporonal default is 2° F.

• The integral default is zero (0).

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Enter or change

passwords.

Choose PASSWORDS from the ADVANCED menu to set either

Password 1 or Password 2. Note: Allow 60 seconds me elapse for

password change/setup to enable.

• Password 1 is for a facility user and limits changes to acve

setpoints, fan operaon, occupancy, and heang and cooling

modes.

• Password 2 is for a controls technician to set up and commission

the EZstat. When set, will lock user out from setpoints, fan

operaon, occupancy, and heang and cooling modes.

Entering four zeros (0000) removes the password. The EZstat is supplied

without passwords.

1. From the PASSWORD1 or PASSWORD2 menu either the or

buon to change the rst digit of the password.

2. Press the Enter buon to select the next digit. Repeat for all

four digits.

3. When the Enter buon is pressed for the last digit, the new

password is saved and the display advances.

Enter

PASSWORD1:

0 0 0 0

Calibrate the

inputs

Choose CALIBRATION from the ADVANCED menu to calibrate an

input. The EZstat includes two calibraon entries; one for the internal

temperature sensor and one for the oponal remote temperature

sensor connected to the RS terminal.

Enter a calibraon factor to adjust either input for sensor

inaccuracies.

• For a low input reading enter a posive correcon value.

• For a high input reading enter a negave correcon value.

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Set the display

blanking.

Choose DISPLAY from the ADVANCED menu to set the display

appearance aer the last buon is pushed.

• BLANKING—Choose one of the blanking

○ CLOCK—An analog clock replaces the temperature and

mode icons.

○ BACKLIGHT OFF—The display brightness changes to the

level set by DIM LEVEL aer the last buon interacon.

○ NONE—The temperature and mode icons always remain

visible.

• DIM LEVEL—Sets the level of brightness of the display back light

if BACKLIGHT OFF is the selected blanking opon.

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NOTE

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Engineered Comfort Fan Coil Controller EZstat Especificaciones Pagina 26

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