Friedrich M24YJ, Installation Manual

Page: 15 / 79

15
ENGL
I
SH C onn ec tin g t he C a b l e s
Connect the cable to the indoor unit by con-
necting the wires to the terminals on the con-
trol board individually according to the outdoor
unit connection. (Ensure that the color of the
wires of the outdoor unit and the terminal No.
are the same as those of the indoor unit.)
CAUT I ON
- The circuit diagram is a subject to
change without notice.
- The earth wire should be longer than the
common wires.
- When installing, refer to the circuit dia-
gram on the chassis cover.
- Connect the wires firmly so that they
may not be pulled out easily.
- Connect the wires according to color
codes, referring to the wiring diagram.
!
- Finally, tighten the flare nut with torque
wrench until the wrench clicks.
When tightening the flare nut with torque
wrench, ensure the direction for tightening
follows the arrow on the wrench.
Outdoor unit
Torque wrench
Liquid side piping
(Smaller diameter)
Gas side piping
(Bigger diameter)
Outside Diameter Torque
mm inch kgf·cm N·m
Ø6.35 1/4 180~250 17.6~24.5
Ø9.52 3/8 340~420 33.3~41.2
Ø12.7 1/2 550~660 53.9~64.7
Ø15.88 5/8 630~820 61.7~80.4
Connecting the Piping
- Remove the tubing cover from the unit by
loosening the screw.
- Align the center of the pipings and sufficiently
tighten the flare nut by hand.
Tubing
Cover
Cover
control
Terminal Block
O ut d oo r unit