Handleiding
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15
INSTALL ALL POWER, INTERCONNECTING
WIRING, AND PIPING TO THE INDOOR UNIT
1. Run interconnecting piping and wiring from the outdoor unit to the
indoor unit.
2. Run an interconnecting cable through the hole in wall (outside to
inside).
3. Lift the indoor unit into position and route piping and drain through the
hole in wall (inside to outside). Fit the interconnecting wiring into the
back side of the indoor unit.
4. Put an upper claw at the back of the indoor unit on the upper hook of
the mounting plate and move the indoor unit from side to side to ensure
it is securely hooked. See “Mounting Plate Dimensions” and Fig. 9 —
on page 9 for reference.
5. Open the indoor unit’s front cover and remove the field wiring termi
nal
block cover.
6. Pull the interconnecting wire up from the back of indoor unit and
position close to the terminal block on the indoor unit.
7. Push the lower part of the indoor unit up on the wall, then move the
indoor unit from side to side, up and down to ensure it is hooked
securely (see Fig. 26).
Fig. 26 — Indoor Unit Installation
8. Connect the wiring from the outdoor unit per the connection diagram
(see Fig. 24 and Fig. 25).
9. Replace the field wiring cover and close the indoor unit’s front cover.
10. Piping:
a. Cut the pipe, with a pipe cutter, at 90 degrees (see Fig. 27).
b. Remove the service connection (if provided with the unit).
Fig. 27 — Pipe Cutting
c. Remove all the burrs from the cut cross section of the pipe
avoiding any burrs inside the tubes.
d.
Remove the flare nuts attached to the indoor and outdoor units.
e. Install the correct size flare nut onto the tubing and make the
flare connection. Refer to Table 7 for the flare nut spaces.
Table 7 — Flare Nut Spacing
Fig. 28 — Flare Nut Spacing
f. Apply a small amount of refrigerant oil to the flare connection
on the tubing.
g. Align the center of the pipes and/or service valve.
Fig. 29 — Align Pipe Center
h. Connect both the liquid and gas piping to the indoor unit
i. Tighten the flare nut using a torque wrench as specified in
Table 8.
Table 8 — Tightening Torque
Fig. 30 — Tighten the Flare Nut
Upper hook
Lower hoo
k
Oblique
90
Roughness
Burr
OUTER DIAM. (MM)
A (MM)
MAX. MIN.
Ø 1/4” (6.35) 0.05 (1.3) 0.03 (0.7)
Ø 3/8” (9.52) 0.06 (1.6) 0.04 (1.0)
Ø 1/2” (12.7) 0.07 (1.8) 0.04 (1.0)
Ø 5/8” (15.88) 0.09 (2.2) 0.08 (2.0)
Brass Flare
Size
Recommended Seating Torque
for Brass Flare Nuts
N-m
Ø1/4 8-10 Ft. - Lbs. 10.8 to 13.6
Ø3/8 15-18 Ft. - Lbs. 20.3 to 24.4
Ø1/2 28-32 Ft. - Lbs. 38.0 to 43.4
Ø5/8 38-42 Ft. - Lbs. 51.5 to 56.9
Ø3/4 50-55 Ft. - Lbs. 68.0 to 74.6
Bar
Copper pipe
Clamp handle
Red arrow mark
Cone
Yoke
Handle
Bar
"A"
Indoor unit tubing Flare nut Piping
Flare nut
C
opper tube
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Productinformatie
Merk | Midea |
Model | MASAG24-21HS2G |
Categorie | Airco |
Taal | Nederlands |
Grootte | 3297 MB |