Install Instructions

13
B-VFH—UA-1 InverterFlex
®
Multi-Zone Floor & Ceiling Type Indoor Unit Heat Controller
3.6 Install the Refrigerant Lines
j The bending of the pipe shall not be too small, otherwise the
pipe may crack. A pipe bender must be used when bending the
pipe.(4).
k Wrap the thermally untreated pipe and connectors with sponge
and then tighten the sponge with plastic tape.
Notes:
j During the piping, do not pull any connector forcefully to
prevent the capillary and other pipes from cracking, which then would result in leakage.
k The pipe should be properly supported in the way that its weight will not be borne by the unit.
If the specication of the outdoor unit pipe joint does not conform to that of the indoor unit.
In some cases an adapter may be needed at the indoor and/or the outdoor line connection.
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4 Part Names of Floor and
Ceiling Type Indoor Unit
Air outlet
Guide louver
Connecting pipe
Air, lter, purier
(in air inlet grille)
Front panel
Air inlet
5 Working Temperature Range
Indoor side state °F (°C) Outdoor side state °F (°C)
Dry bulb temp.
°F (°C)
Wet bulb temp.
°F (°C)
Dry bulb temp.
°F (°C)
Wet bulb temp.
°F (°C)
Rated. Cooling
80.0(26.7) 67.0(19.4) 95.0(35.0) 75.0(23.9)
Max. Cooling
80.0(26.7) 67.0(19.4) 115.0(46.1) 75.0(23.9)
Min. Cooling
67.0(19.4) 57.0(13.9) 67.0(19.4) 57.0(13.9)
Rated. Heating
70.0(21.1) 60.0(15.6) 47.0(8.3) 43.0(6.1)
Max. Heating
80.0(26.7)
—
75.0(23.9) 65.0(18.3)
Low Ambient Heating
70.0(21.1) 60.0(15.6) 5.0(-15.0) 3.2(-16.0)
Working Temperature Range