Amx ViewStat User Manual download pdf (Page 49)

Set Up and Configuration

ViewStat Communicating Thermostat

Balance Point Set-Up

Balance points limit heat pump operation when the outdoor temperature is too high or too low. It requires an

optional support module with an outdoor temperature sensor. Consult a qualified HVAC service technician

before changing any of the values in this Sub-Menu (Sub-Menu not shown).

These values are adjustable, but are only used by the thermostat when it has been configured to operate as a

heat pump, and when a remote outdoor temperature sensor (with address #1) is wired to the thermostat (see the

Heat Pump Applications section on page 37 for details).

Display Set-Up

Here the temperature scale can be changed to °C or °F, and the temperature settings can be setup to always

display or only when being changed (FIG. 38). The message display, when not being used for Thermostat Set-

Up will, by default, scroll through three messages showing the status of the mode, fan, and equipment output.

A fourth, date and time, can also be displayed in the scroll list.

FIG. 37 Backlighting set-up

Balance Point Options

LOW BALANCE POINT the outdoor temperature below which compressor terminals will not be energized.

HIGH BALANCE POINT the outdoor temperature above which the auxiliary heat terminal will not be ener-

gized in the HEAT mode (does not effect Emergency Heat operation).

Display Set-Up Options

TEMPERATURE SCALE all temperatures displayed including room temperatures and set points can be

°F or °C.

SHOW TEMPERATURE SET

POINTS ALWAYS

keeps the temperature settings visible on the display at all times.

SHOW TEMPERATURE SET

POINTS ONLY IF CHANGED

displays the temperature settings (heat and/or cool) only when the user

changes them. The first press of either the up or down adjust buttons will dis-

play the settings.

SHOW DATE AND TIME the message display will, by default, scroll three messages showing the status

of the mode, fan and equipment outputs. A fourth, date and time, can also be

displayed in the scroll list.

On Only When

Backlight

Set Up More

On With Every

Change Next

EXIT

Back

Set, 1=lighter

2-darker

Needed

Disable

toggle between 1 and 2

using the Up and Down

buttons

1 ... 48 49 50 ... 68

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Amx ViewStat User Manual Page 49

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