Inhibit Set-Up - Dip Switches 1; Climate Zone Inhibit Options - Field Controls FAVC Installation Manual

Fresh air ventilation control
Table of Contents

Advertisement

3. INHIBIT SET-UP - DIP SWITCHES 1 & 2
3A. CLIMATE ZONE INHIBIT OPTIONS
The FAVC is equipped with 4 DIP switches to confi gure climate settings, fan control with appliance
The FAVC is equipped with 4 DIP switches to confi gure climate settings, fan control with appliance
#3 and to enable or disable energy saving mode. The FAVC is factory shipped with DIP switches 1 & 2 set
#3 and to enable or disable energy saving mode.
to ON (Enabled) position and DIP switches 3 & 4 OFF (Disabled) position.
to ON (Enabled) position and DIP switches 3 & 4 OFF (Disabled) position.
The 4 modes for CLIMATE SETTINGS
The 4 modes for
CLIMATE SETTINGS are: Disabled, Cold, Hot or Normal as controlled by DIP
1 and 2 shown in Figure 3. Refer to Figure 4 to confi gure FAVC for Normal, Cold, Hot or to Disable
1 and 2 shown in Figure 3. Refer to Figure 4 to confi gure FAVC for Normal, Cold, Hot or to Disable
climate modes. The various climate operational tables are shown in Figures 6 (Normal Climate),
climate modes. The various climate operational tables are shown in Figures 6 (Normal Climate),
7 (Cold Climate) and 8 (Hot Climate). The FAVC is shipped from the factory: Normal (DIP Switches
7 (Cold Climate) and 8 (Hot Climate).
1 & 2 in ON position). If you do NOT want to use humidity control function, change climate setting to
1 & 2 in ON position).
disabled.
disabled.
For the three active climate modes (Hot, Cold and
For the three active climate modes (Hot, Cold and
Normal), the relative humidity will have a range of
Normal), the relative humidity will have a range of
limits based on outdoor temperatures. During the
limits based on outdoor temperatures. During the
summer
summer
months,
months,
are at 85°F or higher, the FAVC will prohibit
are at 85°F or higher, the FAVC will prohibit
ventilation if the measured RH is 65% or
ventilation if the measured RH is 65% or
above.
above.
When indoor RH drops below 60%,
When indoor RH drops below 60%,
the fresh air ventilation will be permitted. When
the fresh air ventilation will be permitted. When
outdoor temperatures drop below 80°F, the
outdoor temperatures drop below 80°F, the
indoor RH limits change.
indoor RH limits change.
RH rises above 55%, the fresh air ventilation is
RH rises above 55%, the fresh air ventilation is
prohibited. When the indoor RH drops below 50% the
prohibited. When the indoor RH drops below 50% the
ventilation will be permitted.
ventilation will be permitted.
has a 5% hysteresis before resuming fresh air
has a 5% hysteresis before resuming fresh air
ventilation.
ventilation. One exception, during winter months
One exception, during winter months
when outdoor temperatures are cold, the fresh air
when outdoor temperatures are cold, the fresh air
ventilation will be permitted when RH values are
ventilation will be
above the 55% limit. During the Ventilation process
above the 55% limit.
in cold weather, if the RH increases, the RH limit
in cold weather, if the RH increases, the RH limit
will be enabled until the RH drops below 50%.
will be enabled until the RH drops below 50%.
In Climate Mode:
In Climate Mode:
operate with two temperature limits for hot and cold
operate with two temperature limits for hot and cold
temperature extremes. The high temperature limit
temperature extremes. The high temperature limit
is fi xed at 100°F and low temperature limit is fi xed
is fi xed at 100°F and low temperature limit is fi xed
at 0°F. Change in indoor Relative Humidity will
at 0°F. Change in indoor Relative Humidity will
have no effect on ventilation. Plenum protection will
have no effect on ventilation. Plenum protection will
remain active.
remain active.
P/N 780100700 07/18 Rev F
are: Disabled, Cold, Hot or Normal as controlled by DIP Switch
The FAVC is shipped from the factory: Normal (DIP Switches
If you do NOT want to use humidity control function, change climate setting to
when
when
outdoor
outdoor
temperatures
temperatures
When the indoor
When the indoor
RH limit function
RH limit function
permitted when RH values are
During the Ventilation process
DISABLED,
DISABLED, the FAVC will
the FAVC will
The FAVC is factory shipped with DIP switches 1 & 2 set
FIGURE 3: DIP Switches 1 and 2
DIP 1
ON
OFF
ON
OFF
FIGURE 4:
DIP Switch Positions for Climate Setting
Page 10 of 36
CLIMATE SETTING
DIP 2
FUNCTION
ON
NORMAL
ON
COLD
OFF
HOT
OFF
DISABLED
Switch

Advertisement

Table of Contents
loading

Table of Contents