Drain Piping Work - LG MULTI F A2UW16GFA0 Engineering Product Data Book

2. Guideline for each installation process

2.3 Drain piping work

The purpose of drain piping is to prevent damage of products and ceiling materials by proper draining of dew condensation
which is generated from the evaporator of indoor unit when the hot vapors come in contact with the evaporator.
1) Application
Pipes for draining water generated from indoor unit on cooling operation
Specification for drain piping
Type
4 way
1 way
Duct
Multi F Ceiling and floor
ART COOL
Wall Mounted
Console
[Reference Table] Drain amount per capacity
Air flow rate
kW
2.04
2.33
2.91
4.36
5.82
7.28
8.73
10.2
11.6
14.6
Drain pipe
diameter
(External/
Internal)
Ø32/25mm
Ø32/25mm
Ø32/25mm
-
-
-
-
(CMH)
8
8.5
10.5
11.5
17
19
21
23
25
34
Drain pump
Drain
discharge
pump
head (mm)
700
Standard
700
Standard
700
Accessory
By gravity
-
slope
By gravity
-
slope
By gravity
-
slope
By gravity
-
slope
Drain amount
(lpm)
0.128
0.137
0.169
0.185
0.273
0.305
0.337
0.369
0.402
0.546
Drain amount
(at 10mm height)
cm 3 /min (lpm)
400 (0.4)
400 (0.4)
400 (0.4)
-
-
-
-
Remark
Indoor temp. : 26C DB
Indoor humidity RH : 85%
Outlet temp. :14C DB
Outlet temp. RH: 50%
Heat pump
60Hz/R410A
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