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028-0324-02_LIT-VZ7656F_B-E01_EN
October 2019
Service
Indicates that there is a service alarm as per one of the configurable digital
input (DI1 or DI2
DAS
Alarm
Indicates that the discharge air temperature is either too low or too high.
SetClock
Indicates that the clock needs to be reset. There has been a power failure
which has lasted longer than 6 hours.
Filter
Indicates that the filters are dirty as per one of the configurable digital input
(DI1 or DI2)
Com Lost
The communication between devices has been lost (No Communication)
When any of the
fan
is
ON
, the
FAN LED will illuminate
When
heating
is
ON
, the
HEAT LED will illuminate
When
cooling
is
ON
, the
COOL LED will illuminate
U
SER
I
NTERFACE
User configuring instructions menu
The VZ7656X series of controllers feature an intuitive,
menu-driven, back-lit LCD display that walks users and
installers through the configuring steps, making the
configuring process extremely simple. This menu is
typically accessed by the user to set the parameters
such as the clock time set, the schedule time events
and the system mode.
It is possible to bring up the user menu at any time by
depressing the MENU key. The status display automatically resumes after exiting the
user-configuring menu.
If the user pauses at any given time during configuring,
Auto Help
text is displayed to
help and guide the user through the usage and configuring of the controller.
Ex.:
Press yes key to change cooling temperature setpoint
Use the up or down arrow to adjust cooling setpoint
Each of the sections in the menu is accessed and configured using 5 keys on the
controller cover. The priority for the alarms is as follows:
