Gree GUHD18ND3FO - Page 93

U-Match Series DC Inverter Service Manual
90
(5) Electric wiring of indoor unit side
Remove the electric box cover from the electric box sub-assy and then connect the wire.
 Duct Type Unit:
Electric box
sub-assy
Electric box
cover
L1 L2
F C O
H1 H2
1 2
Figure 3-4-5
The F, C, O connect to the COMMOM, CLOSE and OPEN terminal of the fresh air valve respectively.
 Cassette Type Unit:
For the units: 18k~42k