En-4
5.2. Installation dimensions
• The RB unit can be installed onto the wall or hanging from the ceiling.
• Provide a service access for maintenance and inspection purposes as shown in the
fi
gure below. Be sure to prepare service access in control box side.
• It is not necessary to provide drainage for this unit.
• Install the RB unit without slant. (within ±2 °)
• Use M8 or M10 for the hanger bolt size when hanging.
Gas pipe
Suction gas pipe
Discharge gas pipe
UPWARD
A
B
C
5.2.1. Ceiling hanging
Be sure to install so that the top side faces up.
13-1/8 (333)
11/16 (18)
(22) 7/8
(147) 5-13/16
(172)
6-3/4
11-3/4 (298)
(147)
5-13/16
(89) 3-1/2
(198)
7-13/16
(155)
6-1/8
4-7/8 (124)
(206)
8-1/8
1-7/8 (48)
2-15/16 (75)
7-13/16 (198)
10-9/16 (268)
(30)
1-3/16
15-3/4 (400)
15-3/4 (400)
3-15/16 (100)
Unit: in (mm)
(Top side)
Indoor unit side
Outdoor unit side
Unit: in (mm)
service access
Service access
Indoor unit side
Outdoor unit side
Product mass [lbs (kg)]
UTP-RU01AH
15 (7)
UTP-RU01BH
17 (7.5)
UTP-RU01CH
18 (8)
A
A
B
B
C
C
20 (500)
or more
20 (500)
or more
1 (20) or more
1 (20) or more
Ceiling hanging
Installation limit
Unit: in (mm)
5.2.2. Wall hanging
13-1/8 (333)
11/16 (18)
9/16 (15)
7-13/16 (198)
10-9/16 (268)
(198)
7-13/16
(7)
1/4
Unit: in (mm)
service
space
grille
1 (20)
or more
Installation limit
1 (20) or more
12 (300)
or more
E.g.: If installing a duct model vertically.
Unit: in (mm)
5.3. Hanger bolt installation
WARNING
Take into consideration whether the place you install the main unit can fully withstand
its weight, and, if necessary, install a hanger bolt after reinforcing with a beam.
Use a M8 or M10 size hanger bolt.
5.4. Hanging metal
fi
xtures
Support the connected piping within 40 in (1 m) in front of and behind the main unit us-
ing hanging metal
fi
xtures, as shown in the following diagram. If you place excessive
weight on the main units hanging metal
fi
xture, the unit may fall off.
5.5. Installing the hanger
Hanger ×3 (Accessories)
Tapping screw A ×6
(Accessories)
Mount the hanger (accessories).
(1) If hung from the ceiling
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