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028-0323-02_LIT-VZ7656R&VZ7656H_W-E01_EN
September 2019
EH Mode
VZ7656H1000B models only
Emergency Heat Mode
Default Value =
On
Enables or disables the Emergency Heat mode from
displaying in the System mode.
On
: The Emergenc mode is displayed in the System Mode
menu
Off
: The Emergenc mode is not displayed in the System
Mode menu
If the System Mode was Emergency Heat when
changing this parameter from Enable to Disable, the
System Mode should default back to Auto
HP stage
VZ7656H1000B models only
Number of heat pump stages
installed at RTU.
Default value =
2 stages
Will revert the operation of 2 stages controller to single
stage operation when the second cooling step is not
needed.
1 or 2 stages
H stage
VZ7656R1000B models only
Number of heating stages
installed at RTU.
Default value =
2 stages
Will revert the operation of 2 stage controllers to a single
stage when the second heating step is not needed.
1 or 2 stages
C stage
VZ7656R1000B models only
Number of cooling stages
installed at RTU.
Default value =
2 stages
Will revert the operation of 2 stage controllers to a single
stage when the second cooling step is not needed.
1 or 2 stages
H lock
Outside air temperature
heating lockout
Default value =
120 °F (49 °C)
Disables heating stage operation based on outdoor air
temperature.
Function will only be enabled if OS (outside air
temperature sensor) is connected.
From -15 °F up to 120 °F (-26 °C up to 49 °C)
C lock
Outside air temperature
mechanical cooling
lockout.
Default value =
-40 °F ( -
40 °C )
Disables cooling stage operation based on outdoor air
temperature.
On economizer model, free cooling will not be disabled by this
function.
Function will only be enabled if OS (outside air temperature
sensor) is connected.
From -40 °F up to 95 °F ( -40 °C up to 35 °C )