Engineered Comfort Fan Coil Controller EZstat Specifikace stáhnout pdf (Strana 22)

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 22 of 36

Procedure Steps Display

Choose and

set the fan coil

system opons

3. Press the to choose any of the following items:

BackEnterExit

SYSTEM

STAGE 1 FAN

STAGE 2 FAN

MAX VLV LOW

MAX VLV MED

MAX VLV HIGH

DAT ENABLE

VLV ACTION

Common Opons Two Pipe Only

• LOCAL OVRD TIME

• FAN OFF DELAY

• OCCUPIED FAN

• FAN SPEEDS (three speed fans only)

• FAN COOL MAX

• FAN MINIMUM (modulang fans only)

• FAN HEAT MAX

• MOD FAN ACTION

• MAX VLV LOW

• MAX VLV MED

• MAX VLV HIGH

• DAT ENABLE

• AUTO FAN RESET

• STAGE 1 FAN

• STAGE 2 FAN

• VLV ACTION

Four Pipe Only

• CL VLV ACTION

• HT VLV ACTION

Set the local

override me.

Set the local override me. From the SYSTEM menu choose LOCAL OVRD

TIME to set the me the EZstat will hold an override temperature setpoint

as the acve setpoint. At the end of the period, the EZstat will use either

an occupied or unoccupied setpoint as the acve setpoint.







Set the fan

delay.

From the SYSTEM menu choose FAN DELAY

OFF to set the me the system fan will connue to run aer the last heat‑

ing or cooling stage is turned o.







Set the

occupied fan

control.

From the SYSTEM menu choose OCCUPIED FAN to choose the following:

• When ON, the fan will run connuously when the schedule is

occupied (On).

• When the schedule is unoccupied (O) the fan will run only when

there is a call for heang or cooling.









Set fan speeds

for three‑

speed fans.

Select FAN SPEEDS from the SYSTEM menu to designate the number of

speeds at which the installed fan will run.











Set fan speeds

for modulang

speed fans

Select FAN MINIMUM and FAN MAXIMUM from the SYSTEM menu to set

fan speed for modulaon fans.

• FAN MINIMUM—Sets the slowest speed at which the fan will run

when a user sets the fan speed to LOW.

• FAN HEAT MAXIMUM—Sets the fastest speed at which the fan will

run when a user sets the fan speed to HIGH for heang.

• FAN COOL MAXIMUM – Sets the fastest speed at which the fan will

run when a user sets the fan speed too HIGH for cooling.

The Min. and Max. CFMs are also the range at which the ECM operates

throughout the sequence when set to auto.

Enter

FAN MINIMUM

25%

Enter

FAN HEAT MAX

100%

Enter

FAN COOL MAX

100%

NOTE

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 35 36

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