Tekmar Invita Installation, Operation And Maintenance Manual page 24

Setup - Relays (3 of 3)
Setting
HEAT PUMP REVERSING VALVE
Select O for heat pumps designed for normally heating
operation . Select B for heat pumps designed for normally
cooling operation . This setting is only available for heat
pump systems .
FAN RELAY
Select which relays require fan operation . Combinations
with W1 are not available when Radiant Floor Heating is set
to yes .
FAN WITH HRV/ERV
Select if the HVAC system fan should turn on together with
the HRV or ERV ventilation fan .
HUMIDIFIER TYPE
Select the type of humidifier . This setting is available when
Accessory 1 or 2 is set to Humidifier .
WINDOW PROTECTION
Select if the relative humidity setpoint should automatically
adjust with outdoor temperature to prevent frost on windows .
This setting is available when Accessory 1 or 2 is set to
Humidifier and a wired outdoor sensor is installed .
WINDOW QUALITY
The window quality determines the amount that the relative
humidity setting is lowed during cold outdoor weather .
Choose the highest number of panes installed and best quality
as a starting point . If window condensation appears, lower
the setting until condensation stops forming . This setting is
available when Accessory 1 or 2 is set to Humidifier and
a wired outdoor sensor is installed .
DEHUMIDIFIER TYPE
Select the type of dehumidifier . This setting is available when
Accessory 1 or 2 is set to Dehumidifier .
HEAT-COOL TIME INTERLOCK
When operating in Mode Auto, select the amount of time
to wait between switching from heating to cooling and
vice versa .
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Range
O (Orange),
B (Blue)
G only,
With Y
With Y and W1,
With Y and W2,
With Y, W1 and W2
Off or On
Evaporative,
Steam,
Stand Alone
Off or On
1 Pane
2 Pane
3 Pane
Poor
Average
Better
DX Coil,
Stand Alone
0 to 180 minutes
Default
O
G only
Off
Steam
Off
2 Pane
Average
DX Coil
10 minutes