39
r
aMPIng
P
rofIles
The variable-speed circulator offers four different ramping
profiles. These profiles may be used to enhance cooling
performance and increaqse comfort level. Select ramping
profiles on the user menu.
•
Profile A
(1) provides only an OFF delay of one (1)
minute at 100% of the cooling demand airflow.
OFF
100% CFM
100% CFM
1 min
OFF
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Igure
58
•
Profile B (2)
ramps up to full cooling demand airflow
by first stepping up to 50% of the full demand for
30 seconds. The motor then ramps to 100% of the
required airflow. A one (1) minute OFF delay at 100%
of the cooling airflow is provided.
50% CFM
1/2 min
100% CFM
100% CFM
1 min
OFF
OFF
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Igure
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•
Profile C
(3) ramps up to 85% of the full cooling
demand airflow and operates there for approximately
7 1/2 minutes. The motor then steps up to the full
demand airflow. Profile C also has a one (1) minute
100% OFF delay.
100% CFM
OFF
OFF
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a
ccessorIes
Accessory Control (Ventilators)
If an external humidifier, dehumidifier or ventilator is
installe
d, it may require airflow from the HVAC system to
function accordingly.
1. Make sure the installed 24VAC thermostat is capable
of controlling the accessory or accessories.
2. Connect the appropriate accessory control wires
to the accessory devices from the thermostat
(see thermostat manual for connection and setup
instructions).
3. If the thermostat is capable of providing a continuous
fan call (G signal) during accessory operation:
Make sure to connect the thermostat G terminal to
the G terminal on the indoor unit. Setup thermostat
to ensure G signal is energized during accessory
operation.
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Igure
57
4.
Select the appropriate fan only airflow for the
accessory using the indoor unit push button menus or
the
CoolCloud
HVAC phone application.
5.
Using the thermostat, independently test each
accessory in addition to independently testing
continuous fan mode.
o
PtIonal
l
ow
V
oltage
H
uMIDIfIer
c
onnectIon
Furnaces produced mid 2019 and later will have a 4” brown
wire on the low fire pressure switch for 24 volt humidifier
connection. To connect a 24 volt humidifier:
• Turn off power to the furnace
• Strip insulation from the end of the 4” brown wire.
• Refer to connection diagram below and follow
humidifier manufacturer instructions.