Samsung AM***NN4*CH Series, AM018NN4DCH, AM012NN4DCH, AM024NN4DEH, AM009NN4DCH Installation Manual

Air conditioner

Installation manual

AM***NN4*CH***

• Thank you for purchasing this Samsung air conditioner.

• Before operating this unit, please read this manual carefully and retain it for future reference.

2

English

Contents

Safety Information 3

Safety Information

Installation Procedure 5

Installation Procedure

Step 1 Checking and preparing accessories

Step 2 Choosing the installation location

Step 3 Optional: Insulating the body of the indoor unit

Step 4 Installing the indoor unit

Step 5 Purging inert gas from the indoor unit

Step 6 Cutting and flaring the pipes

Step 7 Connecting the assembly pipes to the refrigerant pipes

Step 8 Performing the gas leak test

Step 9 Insulating the refrigerant pipes

Step 10 Installing the drain hose and drain pipe

Step 11 Performing the drainage test

Step 12 Connecting the power and communication cables

Step 13 Optional: Extending the power cable

Step 14 Setting the indoor unit addresses and the installation options

Appendix 37

Troubleshooting

3

English

Safety Information

WARNING

• Hazards or unsafe practices that may result in severe
personal injury or death.

CAUTION

• Hazards or unsafe practices that may result in minor
personal injury or property damage.

• Carefully follow the precautions listed below because
they are essential to guarantee the safety of the
equipment.

WARNING

• Always disconnect the air conditioner from the power
supply before servicing it or accessing its internal
components.

• Verify that installation and testing operations are
performed by qualified personnel.

• Verify that the air conditioner is not installed in an
easily accessible area.

General information

WARNING

• Carefully read the content of this manual before installing
the air conditioner and store the manual in a safe place in
order to be able to use it as reference after installation.

• For maximum safety, installers should always carefully
read the following warnings.

• Store the operation and installation manual in a safe
location and remember to hand it over to the new owner if
the air conditioner is sold or transferred.

• This manual explains how to install an indoor unit with a
split system with two SAMSUNG units. The use of other
types of units with different control systems may damage
the units and invalidate the warranty. The manufacturer
shall not be responsible for damages arising from the use
of non compliant units.

• The manufacturer shall not be responsible for damage
originating from unauthorized changes or the improper
connection of electric and requirements set forth in the
“Operating limits” table, included in the manual, shall
immediately invalidate the warranty.

• The air conditioner should be used only for the
applications for which it has been designed: the indoor
unit is not suitable to be installed in areas used for
laundry.

• Do not use the units if damaged. If problems occur, switch
the unit off and disconnect it from the power supply.

• In order to prevent electric shocks, fires or injuries, always
stop the unit, disable the protection switch and contact
SAMSUNG’s technical support if the unit produces smoke,
if the power cable is hot or damaged or if the unit is very
noisy.

• Always remember to inspect the unit, electric connections,
refrigerant tubes and protections regularly. These
operations should be performed by qualified personnel
only.

• The unit contains moving parts, which should always be
kept out of the reach of children.

• Do not attempt to repair, move, alter or reinstall the unit.
If performed by unauthorized personnel, these operations
may cause electric shocks or fires.

• Do not place containers with liquids or other objects on
the unit.

• All the materials used for the manufacture and packaging
of the air conditioner are recyclable.

• The packing material and exhaust batteries of the remote
controller(optional) must be disposed of in accordance
with current laws.

• The air conditioner contains a refrigerant that has to be
disposed of as special waste. At the end of its life cycle,
the air conditioner must be disposed of in authorised
centres or returned to the retailer so that it can be
disposed of correctly and safely.

Installing the unit

WARNING

IMPORTANT: When installing the unit, always remember to
connect first the refrigerant tubes, then the electrical lines.

• Always disassemble the electric lines before the
refrigerant tubes.

• Upon receipt, inspect the product to verify that it has not
been damaged during transport. If the product appears
damaged, DO NOT INSTALL it and immediately report the
damage to the carrier or retailer (if the installer or the
authorized technician has collected the material from the
retailer.)

Safety Information

4

English

Safety Information

• After completing the installation, always carry out a
functional test and provide the instructions on how to
operate the air conditioner to the user.

• Do not use the air conditioner in environments with
hazardous substances or close to equipment that release
free flames to avoid the occurrence of fires, explosions or
injuries.

• Our units should be installed in compliance with the spaces
shown in the installation manual, to ensure accessibility
from both sides and allow repairs or maintenance
operations to be carried out. The unit’s components should
be accessible and easy to disassemble without endangering
people and objects.
For this reason, when provisions of the installation manual
are not complied with, the cost required to access and
repair the units (in SAFETY CONDITIONS, as set out in
prevailing regulations) with harnesses, ladders, scaffolding
or any other elevation system will NOT be considered part
of the warranty and will be charged to the end customer.

Power supply line, fuse or circuit
breaker

WARNING

• Always make sure that the power supply is compliant
with current safety standards. Always install the air
conditioner in compliance with current local safety
standards.

• Always verify that a suitable grounding connection is
available.

• Verify that the voltage and frequency of the power
supply comply with the specifications and that the
installed power is sufficient to ensure the operation of
any other domestic appliance connected to the same
electric lines.

• Always verify that the cut-off and protection switches
are suitably dimensioned.

• Verify that the air conditioner is connected to the power
supply in accordance with the instructions provided in
the wiring diagram included in the manual.

• Always verify that electric connections (cable entry,
section of leads, protections…) are compliant with
the electric specifications and with the instructions
provided in the wiring scheme. Always verify that all
connections comply with the standards applicable to
the installation of air conditioners.

• Devices disconnected from the power supply should be
completely disconnected in the condition of overvoltage
category.

• Be sure not to perform power cable modification,
extension wiring, and multiple wire connection.

– It may cause electric shock or fire due to poor

connection, poor insulation, or current limit override.

– When extension wiring is required due to power line

damage, refer to Step Step 13 Optional:Extending the

power cable in the installation manual.

CAUTION

Make sure that you earth the cables.

• Do not connect the earth wire to the gas pipe, water pipe,
lighting rod or telephone wire. If earthing is not complete,
electric shock or fire may occur.

Install the circuit breaker.

• If the circuit breaker is not installed, electric shock or fire
may occur.

Make sure that the condensed water dripping from the
drain hose runs out properly and safely.

Install the power cable and communication cable of the
indoor and outdoor unit at least 1m away from the electric
appliance.

Install the indoor unit away from lighting apparatus using
the ballast.

• If you use the wireless remote control, reception error
may occur due to the ballast of the lighting apparatus.

Safety Information

5

Installation Procedure

English

Installation Procedure

Step 1 Checking and preparing
accessories

The following accessories are supplied with the indoor
unit. The type and quantity may differ, depending on the
specifications.

Pattern sheet (1) Drain hose (1)

Insulation pipe

(Liquid side1, gas side1)

Insulation drain hose (1)

Installation manual (1) User manual (1)

Cable-tie (6) Clamp (1)

Reducer (1)

Step 2 Choosing the installation
location

Installation location requirements

• There must be no obstacles near the air inlet and
outlet.

• Install the indoor unit on a ceiling that can support its
weight.

• Maintain sufficient clearance around the indoor unit.

• Before installing the indoor unit, be sure to check

whether the chosen location is well-drained.

• The indoor unit must be installed such that it is beyond
public access and is not touchable by users.

• Rigid wall without vibration.

• Where it is not exposed to direct sunshine.

• Where the air filter can be removed and cleaned easily.

Do not install the air conditioner in following places.

• Place where there is mineral oil or arsenic acid. Resin
parts flame and the accessories may drop or water may
leak. The capacity of the heat exchanger may reduce or
the air conditioner may be out of order.

• The place where corrosive gas such as sulphuric acid gas
generates from the vent pipe or air outlet.

• The copper pipe or connection pipe may corrode and
refrigerant may leak.

• The place where there is a machine that generates
electromagnetic waves. The air conditioner may not
operate normally due to control system.

• The place where there is a danger of existing combustible
gas, carbon fibre or flammable dust.

• The place where thinner or gasoline is handled. Gas may
leak and it may cause fire.

6

Installation Procedure

English

Installation Procedure

(Unit: inch (mm))

55 55

240

950

840

330 237

302

370

185

92

351

166

A

120

C

186

133

B

101

890~910 (Celling opening)

735

(Space of suspension bolts)

890~910 (Celling opening)

The sub duct hole is not applicable to the Wind-Free models.

735

(Space of suspension bolts)

950

71

60

41

Model

AM009NN4DCH* AM012NN4DCH* AM018NN4DCH* AM024NN4DCH* AM030NN4DCH* AM036NN4DCH* AM048NN4DCH*

Chassis Small

Large

A

inch

(mm)

8.46 (215)

9.37 (238)

B

inch

(mm)

4.13 (105)

5 (127)

C

inch

(mm)

7.72(196)

8.74 (222)

Net dimension

(W × D × H)

inch

(mm)

33.07X33.07X8.03
(840 X 840 X 204)

33.07X33.07X8.03
(840 X 840 X 204)

33.07X33.07X8.03
(840 X 840 X 204)

33.07X33.07X8.03
(840 X 840 X 204)

33.07X33.07X11.34
(840 X 840 X 288)

33.07X33.07X11.34
(840 X 840 X 288)

33.07X33.07X11.34
(840 X 840 X 288)

Net weight lb (kg) 33.07 (15) 33.07 (15) 33.07 (15) 33.07 (15) 40.79 (18.5) 40.79 (18.5) 40.79 (18.5)

Liquid pipe
connection

inch

(mm)

1/4 (6.35) 1/4 (6.35) 1/4 (6.35) 3/8 (9.52) 3/8 (9.52) 3/8 (9.52) 3/8 (9.52)

Gas pipe

connection

inch

(mm)

1/2 (12.7) 1/2 (12.7) 1/2 (12.7) 5/8 (15.88) 5/8 (15.88) 5/8 (15.88) 5/8 (15.88)

Drain hose
connection

inch

(mm)

outer diameter : 1.26 (32), inner diameter : 1.04 (26.5)

The sub duct hole is not applicable to the Wind-Free models.

35.04~35.83 (890~910) (Celling opening)

28.94 (735) (Space of suspension bolts)

35.04~35.83 (890~910) (Celling opening)

28.94 (735) (Space of suspension bolts)

37.4 (950)

37.4 (950)

14.57 (370)

13.82 (351)

7.28 (185)

3.62 (92)

6.54 (166)

4.72 (120)

3.98

(101)

33.07 (840)

9.45 (240)

2.36 (60)

11.89 (302)

9.33 (237)

12.99 (330)

2.17 (55)2.17 (55)

1.61 (41)

2.80 (71)

5.24 (133)

7.32 (186)

7

Installation Procedure

English

Spacing requirements

2500 mm or more

Obstruction

1500 mm or more

20 mm

17 mm

A

Unit: inch (mm)

Model

AM009NN4DCH

AM012NN4DCH
AM018NN4DCH
AM024NN4DEH

AM030NN4DCH
AM036NN4DCH
AM048NN4DCH

A 9.88 (251) 13.19 (335)

C: 1500 mm or more

C

C

C

C

CAUTION

• The indoor unit must be installed according to the
specified distances in order to permit accessibility
from each side, to guarantee correct operation,
maintenance, and repair of the unit. The components
of the indoor unit must be reachable and removable
under safe conditions for people and the unit.

• Do not hold the discharge while carrying the indoor
unit to avoid the possibility of breakage.

• You must hold the hanger plate on the corner and
carry the indoor unit.

Step 3 Optional: Insulating the body of
the indoor unit

If you install a cassette type indoor unit on the ceiling
when temperature is over 80.6 °F (27 °C) and humidity
is over 80%, you must apply an extra 10 mm thick
polyethylene insulation or a similar type of insulation to
the body of the indoor unit.

Cut away the part where pipes are pulled out for the
insulating work.

D

A

E

B

C

Insulate the end of the pipe and some curved area by
using separate insulator.

NOTE

• A: Reference for the outer circumference of the unit
(When insulating the body of the indoor unit, use A as
the reference for its outer circumference.)

Unit: inch (mm)

Indoor unit A B C D E

4 way Cassette <S>

33.07x8.03x33.07
(840x204x840)

AM009NN4DCH

35.83X5.94
(910X151)

37.00X5.94
(940X151)

24.02X5.94
(610X151)

25.59X5.94
(650X151)

34.25X34.25
(870X870)

AM012NN4DCH
AM018NN4DCH
AM024NN4DCH

4 way Cassette <L>

33.07x11.34x33.07
(840x288x840)

AM030NN4DCH

35.83X9.25
(910X235)

37.00X9.25
(940X235)

24.02X9.25
(610X235)

25.59X9.25
(650X235)

34.25X34.25
(870X870)

AM036NN4DCH
AM048NN4DCH

C: 59.1 inch (1500 mm) or more

59.1 inch (1500 mm)
or more

98.43 inch (2500 mm) or more

Obstruction

20 mm

0.67 inch
(17 mm)

0.79 inch
(20 mm)

8

Installation Procedure

English

Installation Procedure

Step 4 Installing the indoor unit

When deciding on the location of the air conditioner the
following restrictions must be taken into account.

1 Place the pattern sheet on the ceiling at the spot

where you want to install the indoor unit.

NOTE

• Since the diagram is made of paper, it may shrink
or stretch slightly due to temperature or humidity.
For this reason, before drilling the holes, be sure
to maintain the correct dimensions between the
markings.

2 Insert bolt anchors, use existing ceiling supports or

construct a suitable support as shown in figure.

Concrete

Hole in anchor
Hole in plug

Suspension bolt (M8) - field supply

Insert

3 Install the suspension bolts, depending on the ceiling

type.

Ceiling support

CAUTION

• Make sure that the ceiling is strong enough to support
the weight of the indoor unit. Before hanging the unit,
test the strength of each attached suspension bolt.

• If the length of the suspension bolt is more than 4.92 ft
(1.5 m), you are required to prevent vibration.

4 Screw eight pairs of nuts and washers to the

suspension bolts, making space for hanging the indoor
unit.

CAUTION

• You must install all of the suspension rods.

• It is important to leave sufficient space in the false

ceiling to allow access for maintenance or repairs to
the drainage pipe connection, the refrigerant pipe
connection, or to remove the unit if necessary.

5 Hang the indoor unit to the suspension bolts between

two nuts. Cut a pad stopper and place it on the
suspension bolts to hold the washer. Remove the
stopper and screw the nuts to fix the unit.

6 Check the level of the indoor unit by using a leveler.

• A tilt of the indoor unit may cause malfunction of a

built-in float switch and water leaks.

Level

Concrete

Hole in anchor
Hole in plug

Insert

Suspension bolt (M8) - field supply

Ceiling support

Level

9

Installation Procedure

English

7 Adjust the unit to the appropriate position, taking into

account the installation area for the front panel.

• Place the pattern sheet on the indoor unit.

• Adjust the space between the ceiling and the

indoor unit by using a dimension gauge.

• Fix the indoor unit securely after adjusting the level
of the unit by using a leveller.

• Remove the pattern sheet, connect the other
cables. and install the front panel.

Indoor unit

Ceiling

Gauge of dimensions

17 mm

20 mm

Step 5 Purging inert gas from the
indoor unit

The indoor unit comes with nitrogen gas (inert gas)
charged at the factory. Therefore, all inert gas must be
purged before connecting the assembly piping.

Unscrew the pinch pipe at the end of each refrigerant pipe.

Liquid side

Gas side

Insulator

NOTE

• To prevent dirt or foreign objects from getting into the
pipes during installation, do not remove the pinch pipe
completely until you are ready to connect the piping.

Step 6 Cutting and flaring the pipes

1 Make sure that you have the required tools available:

pipe cutter, reamer, flaring tool, and pipe holder.

2 If you wish to shorten the pipes, cut them with a pipe

cutter, ensuring that the cut edge remains at a 90°
angle to the side of the pipe. Refer to the illustrations
below for examples of edges cut correctly and
incorrectly.

Pipe cutter

Pipe

90°

Oblique

Rough

Burr

3 To prevent any gas from leaking out, remove all burrs

at the cut edge of the pipe, using a reamer.

4 Slide a flare nut on to the pipe and modify the flare.

Pipe

Flare

D

D

A

Flare

90° ±2°

R 0.4 to 0.8 mm

L

45° ±2°

Unit: inch (mm)

Outer Diameter (D) Depth (A) Flare dimension (L)

Ø1/4 (6.35) 0.051 (1.3)

0.34 to 0.36
(8.7 to 9.1)

Ø3/8 (9.52) 0.071 (1.8)

0.50 to 0.52

(12.8 to 13.2)

Ø1/2 (12.70) 0.079 (2.0)

0.64 to 0.65

(16.2 to 16.6)

Ø5/8 (15.88) 0.087 (2.2)

0.76 to 0.78

(19.3 to 19.7)

Ø3/4 (19.05) 0.087 (2.2)

0.93 to 0.94

(23.6 to 24.0)

Liquid side

Gas side

Insulator

Oblique

Pipe

Pipe cutter

Burr

Rough

Pipe

Flare

R 0.016 to 0.031 inch

(R 0.4 to 0.8 mm)

Flare

Indoor unit

Ceiling

Gauge of dimensions

0.67 inch (17 mm)

0.79 inch (20 mm)

10

Installation Procedure

Installation Procedure

English

5 Check that the flaring is correct, referring to the

illustrations below for examples of incorrect flaring.

Correct

Inclined

Damaged

Surface

Cracked

Uneven

Thickness

Step 7 Connecting the assembly pipes
to the refrigerant pipes

There are two refrigerant pipes of different diameters :

• A smaller one for the liquid refrigerant.

• A larger one for the gas refrigerant. The inside of

copper pipe must be clean and has no dust.

1 Remove the pinch pipe on the pipes and connect the

assembly pipes to each pipe, tightening the nuts, first
manually and then with a torque wrench, a spanner
applying the following torque.

Torque
wrench

Flare nut

Spanner

Union

Outer Diameter (inch (mm)) Torque(N•m)

Ø1/4 inch (6.35 mm) 14 to 18

Ø3/8 inch (9.52 mm) 34 to 42

Ø1/2 inch (12.70 mm) 49 to 61

Ø5/8 inch (15.88 mm) 68 to 82

Ø3/4 inch (19.05 mm) 100 to 120

(1N•m=10kgf•cm)

NOTE

• If the pipes must be shortened, see Step 6 Cutting
and flaring the pipes on page 9.

2 Be sure to use an insulator thick enough to cover the

refrigerant tube to protect the condensate water on
the outside of the pipe falling onto the floor and to
improve the efficiency of the unit.

3 Cut off any excess foam insulation.
4 Make sure that there are no cracks or waves on the

bent area.

5 It would be necessary to double the insulation thickness

(0.39 inch (10 mm) or more) to prevent condensation
even on the insulator when if the installed area is warm
and humid.

6 Do not use joints or extensions for the pipes

connecting the indoor and outdoor units.

CAUTION

• Connect the indoor and outdoor units using pipes with
flared connections (not supplied). For the lines, use
insulated, unwelded, degreased and deoxidized copper
pipe (Cu DHP type to ISO 1337 or UNI EN 12735-1),

suitableforoperatingpressuresofatleast4.2MPaand
foraburstpressureofatleast20.7MPa.Copperpipefor

hydro-sanitary applications is completely unsuitable.

• For sizing and limits (height difference, line length,
max. bends, refrigerant charge, etc.) see the outdoor
unit installation manual.

• All refrigerant connection must be accessible, in order
to permit either unit maintenance or removing it
completely.

• If the pipes require brazing, make sure that oxygen
free nitrogen (OFN) is flowing through the system.

• Nitrogen blowing pressure range is 0.02 to 0.05 MPa.

Correct Inclined CrackedDamaged

Surface

Uneven

Thickness

Torque
wrench

Flare nut

Spanner

Union

11

Installation Procedure

English

Step 8 Performing the gas leak test

To identify potential gas leaks on the indoor unit, inspect
the connection area of each refrigerant pipe using a leak
detector for R-410A.

Before recreating the vacuum and recirculating the
refrigerant gas, pressurize the whole system with nitrogen
(using a cylinder with a pressure reducer) at a pressure
above 0.2 MPa, less than 4 MPa (gauge) in order to
immediately detect leaks on the refrigerant fittings.

Made vacuum for 15 minutes and pressurizing system with
nitrogen.

Liquid side

Gas side

Insulator

Step 9 Insulating the refrigerant pipes

Once you have checked that there are no leaks in the
system, you can insulate the piping and hose.

1 To avoid condensation problems, place Acrylonitrile

Butadien Rubber separately around each refrigerant
pipe.

No gap

NBR

NOTE

• Always make the seam of pipes face upwards.

CAUTION

• The insulation has to be produced in full compliance
with European regulation EEC / EU 2037 / 2000
requring the use of sheaths insulation without using
CFC and HCFC gases for heating and the environment.

2 Wind insulating tape around the pipes and drain hose

avoiding compressing the insulation too much.

Insulation cover pipe
Insulation pipe

Be sure to overlap the insulation.

Indoor unit

CAUTION

• Be sure to wrap insulation tightly without any gaps.

3 Finish wrapping insulating tape around the rest of the

pipes leading to the outdoor unit.

4 The pipes and electrical cables connecting the indoor

unit with the outdoor unit must be fixed to the wall
with suitable ducts.

CAUTION

• Must fit tightly against body without any gap.

• Make sure that all refrigerant connection must be

accessible for easy maintenance and detachment.

• Install the insulation not to get wider and use the
adhesives on the connection part of it to prevent
moisture from entering.

• Wind the refrigerant pipe with insulation tape if it is
exposed to outside sunlight.

• Install the refrigerant pipe respecting that the insulation
does not get thinner on the bent part or hanger of pipe.

• Add the additional insulation if the insulation plate
gets thinner.

a x 3

Hanger

Additional insulation

a

Refrigerant pipe
insulation

Liquid side

Gas side

Insulator

No gap

Indoor unit

Insulation cover pipe

Insulation pipe

Be sure to overlap the insulation.

Additional insulation

Hanger

Refrigerant pipe
insulation

12

Installation Procedure

Installation Procedure

English

5 Select the insulation of the refrigerant pipe.

• Insulate the gas side and liquid side pipe, noting
the insulation thickness that must differ according
to the pipe size.

• Standard: Less than an indoor temperature of 86
°F (30 °C), with humidity at 85%. If installing in a
high humidity environment, use one grade thicker
insulator by referring to the table below. If installing
in an unfavourable environment, use thicker one.

• The heat-resistance temperature of the insulator
must be more than 248

°F

(120 °C).

Pipe

Pipe size

inch(mm)

Insulation Type (Heating/Cooling)

Remarks

Standard

[86 °F (30 °C),

85%]

High humidity

[86 °F (30 °C),

over 85%]

EPDM, NBR

Liquid

pipe

Ø 1/4

(6.35)

to Ø 3/8

(9.52)

9t

←

Internal

temperature

is higher

than 248 °F

(120 °C)

Ø 1/2

(12.7) to Ø

2 (50.80)

13t

←

Gas

pipe

Ø 1/4

(6.35)

13t 19t

Ø 3/8
(9.52)
to Ø 1

(25.40)

19t

25t

Ø 1-1/8

(28.58) to

Ø 1-3/4
(44.45)

32t

Ø 2

(50.80)

25t 38t

• When installing insulation in the places and
conditions below, use the same insulation that is
used for high humidity conditions.

<Geological condition>

High humidity locations such as shorelines, hot springs, lake
or riversides, and ridges (when part of the building is covered
by earth and sand)

<Operation purpose condition>

Restaurant ceiling, sauna, swimming pool etc.

<Building construction condition>

Ceilings frequently exposed to moisture and cooling are
not covered. For example, pipes installed at a corridor of a
dormitory and studio or near an exit that opens and closes
frequently.

Places (where the pipes are installed) that are highly humid
due to a lack of ventilation.

• Refrigerant pipe before EEV kit and MCU or without
EEV kit and MCU

– You can contact the gas side and liquid side

pipes but the pipes should not be pressed.

– When contacting the gas side and liquid side

pipe, use 1 grade thicker insulator.

• Refrigerant pipe after EEV kit and MCU

– Install the gas side and liquid side pipes, leave

10mm of space.

– When contacting the gas side and liquid side

pipe, use 1 grade thicker insulator.

Step 10 Installing the drain hose and
drain pipe

1 Push the supplied drain hose as far as possible over

the drain socket.

2 Tighten the metal clamp as shown in the picture.

3 Wrap the supplied large sealing pad over the metal

clamp and drain hose to insulate and fix it with
clamps.

4 Insulate the complete drain piping inside the building

(field supply).
If the drain hose cannot be sufficiently set on a slope,
fit the hose with drain raising piping (field supply).

5 Push the drain hose up to insulation when connecting

the drain hose to drain socket.

Metal clamp

Drain socket

Drain hose

Large seailng pad

Be sure to bond the drain
hose and the main pipe.

Drain pipe

Metal clamp

Drain socket

Drain hose

Drain pipe

Be sure to bond the drain hose
and the main pipe.

Large sealing pad