Hitachi CH-Box - Page 29

Apply by making
contact to the piping.
Check that there are no gaps between
the CH-Box and the insulation.
Apply by making
contact to the piping.
Check that there are no gaps between
the CH-Box and the insulation.
Check that there are no gaps between
the CH-Box and the insulation.
Check there are no gaps between insulation materials.
If the gaps are occurs, seal the gap with vinyl tape.
Securely fasten.
Securely fasten cable clamps
and the vinyl tape (Field-Supplied).
Securely fasten cable clamps
and the vinyl tape (Field-Supplied).
Insulation
(Field-Supplied)
Insulation
(Field-Supplied)
Insulation
(Field-Supplied)
Insulation
(Accessory (6))
Insulation
(Accessory (5))
Clamp
(Accessory (7))
Securely fasten.
Clamp
(Accessory (7))
Insulation Material
(Attached to the CH-Box)
Insulation Material
(Attached to the CH-Box)
Insulation Material
(Attached to the CH-Box)
Insulation Material
(Attached to the CH-Box)
Insulation Material
(Attached to the CH-Box)
CH-Box Side CH-Box Side
Insulation
(Field-Supplied)
Insulation
(Field-Supplied)
Insulation
(Field-Supplied)
Insulation Work for Gas (High/Low Pressure and Low Pressure)
Pipe of Outdoor Unit Side
Insulation Work for Liquid Pipe of Outdoor Unit Side
Insulation Work for Gas Pipe of Indoor Unit Side
Insulation Work for Liquid Pipe of Indoor Unit Side
CH-Box Side
CH-Box Side
P5417025-rev.1
19
(d) Incasethereareunusedpipingconnection,ensure
toapplyaccessoryinsulationmaterialtothepiping
andareconnectionswithoutgapsasshownon
therightgure.(Forgasandliquidsides)
Insulate without gaps.
Insulation
(Accessory (5), (6))
Securely fasten.
Clamp
(Accessory (7))
(b) Insulategasandliquidpipeseparatelyusingtheaccessoryinsulationmaterial.
Intheeventthattemperatureandhumiditylevelsinsidetheceilingexceed30°C(86
o
F)/RH,relative
humidity80%,applyadditionalinsulationmaterials(approximately10mm(3/8inch)thickness)tothe
surfaceoftheaccessoryinsulationmaterialtoavoidcondensation.
(c) Performcoldinsulationworkbyinsulatingandtapingtheareconnectionandreducerconnection.
Alsoinsulatealltherefrigerantpipes.