Mitsubishi Electric LGH-F300RX5-E1 Installation Instructions Manual page 5

Installation method (continued)
When using the unit in a cold climate below 5°F (-15°C)
Additional heat insulation is required to use the unit in a place where the outdoor temperature drops below 5°F (-15°C).
Do not install the unit upside down, below 5°F (-15°C) outdoor temperature.
Be sure to make the additional insulation as below.
Example:
75°F Mean Temperature (24°C) 0.25 (0.036)
90°F Mean Temperature (32°C) 0.256 (0.037)
Lossnay operations as shown in page 16
Insulation method
Models LGH-F300RX -E1, LGH-F470RX
5
CAUTION
1. Make sure to attach each sheet of insulation without a gap.
If a gap is found, or the metal surface is exposed, attach
additional insulation to cover.
2. Overlap the insulation for the upper and lower surfaces with
the insulation for the side surfaces without a gap as shown in
Insulation N P
25 5/8 12 7/16
(650) (315)
13 7/8 12 7/16
(352) (315)
25 5/8 12 7/16
B-1
(650) (315)
10 13/16 12 7/16
E-1
(274) (315)
23 1/4 12 7/16
F-1
(590) (315)
25 3/8 15 3/4
(645) (400)
13 11/16 15 3/4
(347) (400)
29 15/16 15 3/4
(760) (400)
18 1/8 15 3/4
(460) (400)
25 3/8 15 3/4
B-1
(645) (400)
29 15/16 15 3/4
B-1
(760) (400)
13 13/16 15 3/4
E-1
(351) (400)
28 3/8 15 3/4
F-1
(720) (400)
Insulation Y Z
40 19 11/16
(1015) (500)
39 9/16 23 5/8
C-1
(1005) (600)
48 7/16 23 5/8
(1230) (600)
40 15 9/16
(1015) (395)
39 9/16 21 11/16
(1005) (550)
48 7/16 21 11/16
(1230) (550)
40 19 11/16
(1015) (500)
39 9/16 23 5/8
D-1
(1005) (600)
48 7/16 23 5/8
(1230) (600)
-E1, LGH-F600RX -E1
5 5
Q R S T
5 1/8 5 1/16 3 15/16
0
(130) (128) (100)
5 1/8 7 3/8
0 -
(130) (187)
5 1/8 7 3/8
0 -
(130) (187)
5 3/16 7 3/8
0 -
(131) (187)
4 7/8 5 1/16 2 9/16
0
(123) (128) (65)
5 15/16 7 7/8
- -
(150) (200)
5 15/16 7 7/8
- -
(150) (200)
5 15/16 7 7/8
(150) (200)
5 15/16 7 7/8
- -
(150) (200)
5 15/16 7 7/8
- -
(150) (200)
5 15/16 7 7/8
- -
(150) (200)
6 11/16 7 7/8 1 7/16 1/4
(170) (200) (36) (7)
6 7/16 7 7/8 1 3/16 1 7/16
(164) (200) (30) (37)
Unit: Inch (mm)
F300RX F470RX F600RX
5 5 5
Thickness
pcs./unit pcs./unit pcs./unit
1/4
1 - -
(6)
1/4
- 1 -
(6)
1/4
- - 1
(6)
1/4
2 - -
(6)
1/4
- 2 -
(6)
1/4
- - 2
(6)
1/2
1 - -
(13)
1/2
- 1 -
(13)
1/2
- - 1
(13)
C-1
F-1
A-2
A-1
Cover the side
surface
Insulation
Unit
Duct
connecting
U V W
* ø8 1/4 1 1/4 X 1/4
-
(* ø210) (32 X 5)
1 1/8 * ø8 1/4 1 1/4 X 1/4
-
(28) (* ø210) (32 X 5)
1 1/8 ø8 1/4 1 1/4 X 1/4
-
(28) ( ø210) (32 X 5)
2 9/16 * ø8 1/4 1 13/16 X 1/4
-
(65) (* ø210) (46 X 5)
* ø8 1/4 1 9/16 X 1/4
-
(* ø210) (40 X 5)
* ø10 1/4
- -
(* ø260)
* ø10 1/4
- -
(* ø260)
* ø10 1/4
-
(* ø260)
* ø10 1/4
- -
(* ø260)
* ø10 1/4
- -
(* ø260)
* ø10 1/4
- -
(* ø260)
1 7/16 * ø10 1/4 * 2 15/16 X 1/4 * 2 15/16 X 1/4
(37) (* ø260) (* 75X5) (* 75 X 5)
1/4 * ø10 1/4 * 2 15/16 X 1/4 * 2 15/16 X 1/4
(7) (* ø260) (* 75 X 5) (* 75 X 5)
Y
* View from the backside of insulation
Make sure to attach
each sheet of
insulation without
C-2
a gap.
D-1
E-1
F300RX F470RX F600RX
5 5
X
pcs./unit pcs./unit pcs./unit
- 1 - -
1 - -
1 - -
1 - -
- 1 - -
- - 1 -
- - 1 -
- - - 1
- - - 1
- - 1 -
- - - 1
- 1 1
- 1 1
S Cutout W
Hole V
S
Q Cutout X
N
B-1
D-2
Unit: Inch (mm)
5
Thickness
1/2
(13)
1/4
(6)
1/4
(6)
1/2
(13)
1/4
(6)
1/2
(13)
1/4
(6)
1/2
(13)
1/4
(6)
1/4
(6)
1/4
(6)
1/2
(13)
1/4
(6)
5