Samsung AM JNESCH Series User manual

Contents
PREPARATION
Safety precautions ..........................................................................................................3
Accessories .................................................................................................................6
Installation conditions for a fresh duct .......................................................................................7
Selecting the Installation Location...........................................................................................8
INSTALLATION
Indoor Unit Installation....................................................................................................11
Purging the Unit ..........................................................................................................12
Connecting the Refrigerant Pipe...........................................................................................13
Cutting/Flaring the pipes..................................................................................................14
Performing LeakTest & Heat Insulation ....................................................................................15
Air Pipe Installation .......................................................................................................18
Drain Pipe and Drain Hose Installation ....................................................................................19
Wiring Work...............................................................................................................23
OTHERS
Setting an indoor unit address and installation option .....................................................................28
Increasing Fan Speed......................................................................................................36
Final Checks and UserTips.................................................................................................37
Troubleshooting ..........................................................................................................38
MEMO ....................................................................................................................39
ENGLISH-2

Safety precautions
Carefully follow the precautions listed below because they are essential to guarantee the safety of the equipment.
WARNING
t Always disconnect the air conditioner from the power supply before servicing it or
accessing its internal components.
t Verify that installation and testing operations are performed by qualied personnel.
t Verify that the air conditioner is not installed in an easily accessible area.
General information
f 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.
f For maximum safety, installers should always carefully read the following warnings.
f 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.
f 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 dierent 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.
f 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. Making such
changes or improper connections may damage the units and invalidate the warranty.
f 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.
f Do not use the units if damaged. If problems occur, switch the unit o and disconnect it from the power supply.
f In order to prevent electric shocks, res 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.
f Always remember to inspect the unit, electric connections, refrigerant tubes and protections regularly. These operations
should be performed by qualied personnel only.
f The unit contains moving parts, which should always be kept out of the reach of children.
f Do not attempt to repair, move, alter or reinstall the unit. If performed by unauthorized personnel, these operations may
cause electric shocks or res.
f Do not place containers with liquids or other objects on the unit.
f All the materials used for the manufacture and packaging of the air conditioner are recyclable.
f The packing material and exhaust batteries of the remote controller(optional) must be disposed of in accordance with
current laws.
f 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 authorized centers or returned to the retailer so that it can be disposed of correctly
and safely.
f Do not use the drain pipe or gas (liquid) pipe as a lift point for moving the unit.
ENGLISH-3
01 PREPARATION

Safety precautions
Installing the unit
IMPORTANT:When installing the unit, always remember to connect rst the refrigerant tubes, then the electrical lines. Always
disassemble the electric lines before the refrigerant tubes.
f 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.)
f After completing the installation, always carry out a functional test and provide the instructions on how to operate the air
conditioner to the user.
f Do not use the air conditioner in environments with hazardous substances or close to equipment that release free ames
to avoid the occurrence of res, explosions or injuries.
f 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.
f 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, scaolding 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
f 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.
f Always verify that a suitable grounding connection is available.
f Verify that the voltage and frequency of the power supply comply with the specications and that the installed power is
sucient to ensure the operation of any other domestic appliance connected to the same electric lines.
f Always verify that the cut-o and protection switches are suitably dimensioned.
f 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.
f Always verify that electric connections (cable entry, section of leads, protections…) are compliant with the electric
specications 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.
ENGLISH-4

t 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 re may occur.
t Install the circuit breaker.
- If the circuit breaker is not installed, electric shock or re may occur.
t Make sure that the condensed water dripping from the drain hose runs out properly and safely.
t Install the power cable and communication cable of the indoor and outdoor unit at least 1m away from the
electric appliance.
t 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.
t Do not install the air conditioner in following places.
- Place where there is mineral oil or arsenic acid. Resin parts ame 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 sulfurous 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 ber or ammable dust.
- The place where thinner or gasoline is handled. Gas may leak and it may cause re.
CAUTION
ENGLISH-5
01 PREPARATION

Accessories
f The following accessories are supplied with the indoor unit.
f The type may dier depending on the specications and it is subject to the actual type.
User manual (1) Installation manual (1) Clamp hose (1) Flexible hose (1) Insulation drain (1)
Thermal insulation
sponge A (1)
Thermal insulation
sponge B (1)
Thermal insulation
sponge C (1)
Cable-tie (8) Rubber (8)
ENGLISH-6

Installation conditions for a fresh duct
Installation information on a fresh duct
f A fresh duct can be installed wiith an indoor unit or with another fresh duct.
f A fresh duct should be installed within 50%~100% of outdoor unit's cooling capacity.
f If a fresh duct is installed with an indoor unit, the fresh duct should be installed within 30% of outdoor unit's cooling
capacity.
f A fresh duct can be installed with HEAT PUMP outdoor unit but cannot be installed with HEAT RECOVERY outdoor unit.
- e.g. A fresh duct 6ton(72kBtu/h) + Duct 18kBtu/h x 9 = 234kBtu/h
Outdoor unit 6ton(72kBtu/h) + 14ton(168kBtu/h) = 240kBtu/h
Indoor unit combination rate = 97.5% lO.K
Fresh duct combination rate = 30% lO.K
Mixture Install
Outdoor : 240 kBtu/h
Fresh
Duct
72kBtu/h 18kBtu/h 18kBtu/h 18kBtu/h 18kBtu/h 18kBtu/h 18kBtu/h 18kBtu/h 18kBtu/h 18kBtu/h
Standard Standard Standard Standard Standard Standard Standard Standard Standard
- Fresh duct 8ton(96kBtu/h) + Fresh duct 6ton(72kBtu/h) = 168kBtu/h
Outdoor unit 14ton(168kBtu/h) = 168kBtu/h
Fresh duct combination rate = 100% lO.K
Indoor unit combination rate = 0% lO.K
Only Fresh Air Intake Unit install
Outdoor : 168 kBtu/h
Fresh
Duct
96kBtu/h 72kBtu/h
Fresh
Duct
ENGLISH-7
01 PREPARATION

Selecting the Installation Location
Indoor unit
f There must be no obstacles near the air inlet and outlet.
f Install and mount the indoor unit on a ceiling that can support its weight.
f Maintain sucient clearance around the indoor unit.
f Make sure that the water drains from the hose properly and safely.
f The indoor unit must be installed in such way that it is out of commonly accessible area. (Not touchable by the users.)
f Durable walls which can’t be shaken.
f Where it is not exposed to direct sunshine.
f Where the air lter can be removed and cleaned easily.
f Cautions on installation
1) Do not install in crowded places. Please install in equipment spaces such as mechanical rooms and adopt measures
to prevent noise and vibration.
2) Adopt preventative measures to accommodate noise and vibration according to the ceiling installation condition
(washroom, corridor).
3) Separate air outlet shall be installed for the Fresh duct. Do not connect with the inlet of other indoor units, otherwise,
the performance of air conditioner will be aected.
4) Please purchase damper to adjust air volume and lter screen for installation.
t In principle, the unit should not be installed at an height of lower than 8.2ft (2.5m) from the ground.
t If the unit has proper pipe (11.8inch (300mm) in length or more) to avoid contact with the fan motor blower, it is
possible to install the unit at a height of between 7.2~8.2ft (2.2~2.5m) from the ground.
t If the humidity is over 80%, it is required to add 10mm polyethylene foam or other similar insulation to the
indoor unit when installing belt or pipe type indoor unit on the ceiling.
CAUTION
Insulation Guide
"$
#
%
Front
Back
Thickness: more than 0.39inch (10mm)
Indoor Unit A B C D Front / Back
AM072JNESCH
AM096JNESCH
57.68"×33.86"×18.11"
(1465×860×460)
53.54"×18.11"
(1360×460)
53.54"×18.11"
(1360×460)
33.86"×18.11"
(860×460)
33.86"×18.11"
(860×460)
Insulate the front and back side in
proper size at the same time when
insulating the suction duct and
discharge duct.
f Insulate the end of the pipe and some curved area by using separate insulator.
f Insulate the discharge and suction part at the same time when you insulate connection duct.
f If the humidity is over 80%, it is required to add 0.39inch(10mm) polyethylene foam or other similar insulation to the
indoor unit when installing belt or pipe type indoor unit on the ceiling.
ENGLISH-8

Space requirements for indoor unit
f Construction Standard for Inspection Hole.
5) In case the ceiling is textile, inspection hole is not necessary.
6) In case the ceiling is plaster board, inspection hole depends on the inside height of the ceiling.
a. Height is more than 1.64ft (0.5m) : Only“B”[Inspection for PBA] is applied.
b. Height is less than 1.64ft (0.5m) : Both“A”& ”B” are applied.
c. “A” & ”B” are inspection holes.
0.79inch (20mm)
or more
0.79inch (20mm)
or more
Width (W)
“A”=W+3.94inch (100mm) “B”=19.7inch (500mm)
Depth (D)
t You must have 0.79inch (20mm) or more space between the ceiling and the bottom of indoor unit. Otherwise, the
noise from the vibration of indoor unit may bother the user.
t When the ceiling is under construction, the inspection hole must be made to enable servicing, maintenance and
cleaning.
t The indoor unit should be installed at a height of 8.2ft (2.5m) and/or above ground.
ENGLISH-9
01 PREPARATION

Selecting the Installation Location
AM072JNESCH / AM096JNESCH
12 3 4
5
7
6
54.80(1392) Suspension position
53.54(1360.0)
50.55(1284) Air discharge grille ange
50.55(1284) Suction ange
47.2(50x24=1200)
47.2(50x24=1200)
Unit : inch(mm)
30.79(782.0) Suspension position
33.86(860.0)
1.38(35.0) 8.93(226.7) 11.17(283.7) 14.17(360.0)
14.17(360.0) 18.11(460.0)
11.81(50x6=300)
11.81(50x6=300)
Discharge side
Suction side
No. Name Description
1 Diameter of liquid pipe ø9.52 (3/8”)
2 Diameter of air pipe AM072JNESCH : ø19.05 (3/4”)
AM096JNESCH : ø22.22 (7/8”)
3Diameter of drain pipe VP25 (OD ø32 (1.26"), ID ø25 (0.98"))
Diameter of drain pipe (Optional drain pump) VP25 (OD ø32 (1.26"), ID ø25 (0.98"))
4 Power supply / Communication connection
5 Air discharge grille ange
6 Suction ange
7 Hook ø9.52 (3/8”) or M10
ENGLISH-10