Gree TERRA09HP230V1A Installation, Service & Troubleshooting page 26

System Operation 9,000/12,000 btuh Models, cont.
Other Controls
Fan Only "Auto" Mode
a) T ambient > T
indoor
b) T + 20 F <= T
setpoint
c) T ambient < 20 F of T
indoor
T
T
preset
Fan Speed
Dry Mode
The indoor fan will be set to low speed.
Heating Mode
a) T ambient <= T
indoor
b) T + 10 F < T
setpoint
c) T ambient >= T
indoor
T
T
preset
Fan Speed
26
Product Introduction
+ 40 F fan will run on high speed
setpoint ,
ambient <= T
indoor
fan will run on low speed
setpoint,
T
amb.
+ 40 F
preset
T
preset
-20 F
High
+ 10 F fan will run on high speed
setpoint ,
ambient < T
indoor setpoint
+ 20 F fan will run on low speed
setpoint ,
T
amb.
+ 50 F
preset
T
preset
+10 F
Off
+ 40 F fan will run on medium speed
setpoint ,
Med. Low
+ 50 F fan will run on medium speed
,
Low Med.
Off
High