Friedrich Floating Air Pro-Premiere FPHW091 Service & Parts Manual page 30

Install Indoor Unit
6) Connect the piping .
Piping Connection:
a.Before unscrewing the b ig and the small sealing caps, press the small
seallng cap with the finger until the exhaust noise stops, and then loosen
the finger.
b. Connect Indoor unit pipes with two wrenches. Pay special attention
to the allowed torque as shown below to prevent the pipes, conneclonl
and flare nuts from being deformed and damaged.
c. Pre-tighllln them with fingers at first then use the wrenches.
If you don't hear the exhaust noise, please contact with the merchant.
■
Model
9K-18K
24K--36K
9K-12K
18K
24K--36K
38K
NOTE: Dimensions are in "mm or inch• unless otherwise stated in the table.
7) After connecting piping as required, install the drain hose. Then connect the power cords. After connecting,
wrap the piping, cords and drain hose together with thermal insulation matarials(Fig.
Note: Wrap ffle piping Jolnm with thennal Insulation mttterlal and than wrap wUII a vinyl tape.
Note: Place the dntln hon under the pipes.
Note: lm1ulatlon matedal usu polythene foam over I mm In thlclcneu.
Not.: Drain hose Is prepared by
Note: The flg1118S In this manual may differ hm that of the air conditioner you hva n/ectad.
30
INSTALLATION
Pipe size
Liquid Side ( <ti 6 or 1/4) 1S-20N·m or 11-15ft-lbs 17 or 5/8
Liquid Side ( <t,9.53 or 318) 30-35N·m or22-26ft-lbs 22 or 7/8
Gas Side ( ell 9.53 or 318 ) 30-35N·m or 22-26ft-lbs 22 or 7/8
50--55N·m or37-41ft-lbs 24 or 0.94 0.6 or 0.024
Gas Side ( cll 12 or 1/2)
Gas Side ( • 16 or 5/8) 00--65N ·m or 44-48ft -lbs 27 or 1.1
Gas Side ( 4> 19 or 3/4)
7D-711N·m or 52-55ft-lbs 32 or 1.26
Thermal lnsuletlon
Flg.420
unr.
Torque
Nut width Min.thickness
jj))l)"'"L
[::::>
wrapped with vinyl type
Fig. 419
Fig. 421
� sealing cap
�Presahere
Big Haling cap
0.5 or 0.02
�
0.6 or 0.024
0.6 or 0.024
0.6 or 0.024
1.0 or 0.039
419 - 421
Fig. ).
Smell
pipe