Goodman ACVC8 CA Series AMVC8 CA Series Service And Troubleshooting page 12

SYSTEM OPERATION
Dehumidification Control Options
Key Mitigations:
1. Full featured TS (dehum & overcool)
2. Connect G and dehum wire correctly
3. Dehumidistat
Is there a setting in the
thermostat to enable
Dehum without fan? (G)
Yes
Choose that setting
Wire the system and test
functionality
12
Dehumidification Control Options
Dry Environment
Yes
Install any 24VAC
thermostat on the
market - Use Y, W, G
signals
Does your thermostat have a
whole house Dehumidifier
setting?
Yes
Wire the system and
No
1) Install Dehum wire
and DO NOT install G
Wire
2) Install Dehumidistat
in living space or
return duct
No
Thermostat has a Dehum or
Configurable terminal with
Dehum option
Yes
If the Dehumidistat
opens on a rise on
humidity, then you
will set Dehum logic
to Low via Coolcloud
app or push buttons
No
During a call for Dehum,
does the thermostat
provide 24V to Dehum, Y,
and G?
Yes
Thermostat only sends Dehum + G on a
test functionality
A Dehumidistat needs to be installed in
If the Dehumidistat opens
on a rise on humidity,
then you will set Dehum
logic to Low via Coolcloud
app or push buttons
No
Install Dehumidistat in
living space or return
duct
If the Dehumidistat
closes on a rise in
humidity, then you
will set Dehum logic
to High via Coolcloud
app or push buttons
No
call for Dehum
the living space or return duct
If the Dehumidistat closes on
a rise in humidity, then you will
set Dehum logic to High via
Coolcloud app or push buttons