Samsung ERV Plus AM050FNKDEH Guide

ERV Plus (ERVwith DX-COIL)
User & installation manual
AM050FNKDEH / AM100FNKDEH
࡙Thank you for purchasing this Samsung Product.
࡙Before operating this unit, please read this installation manual carefully and retain it for
future reference.

2
Contents
USING PARTS
Safety precautions ..................................................................................................................................................................................................................................4
Checking before use...........................................................................................................................................................................................................................13
Checking the name of the parts.................................................................................................................................................................................................... 15
Basic operation......................................................................................................................................................................................................................................20
Cleaning and maintaining the unit..............................................................................................................................................................................................23
Maintaining your product................................................................................................................................................................................................................25
Appendix..................................................................................................................................................................................................................................................26
INSTALLATION PARTS
Safety precautions ...............................................................................................................................................................................................................................28
Accessories..............................................................................................................................................................................................................................................31
Selecting the installation location................................................................................................................................................................................................31
Indoor unit installation ......................................................................................................................................................................................................................33
Purging the unit....................................................................................................................................................................................................................................34
Connecting the refrigerant pipe ...................................................................................................................................................................................................34
Cutting/aring the pipe ....................................................................................................................................................................................................................35
Performing leak test & insulation.................................................................................................................................................................................................. 36
Drain pipe and drain installaton....................................................................................................................................................................................................38
Drain pipe and drain hose installaton.........................................................................................................................................................................................39
Duct connection...................................................................................................................................................................................................................................40
Wiring work.............................................................................................................................................................................................................................................41
Indoor unit setting............................................................................................................................................................................................................................... 46
Setting an indoor unit address and installation option......................................................................................................................................................47
Additional functions ...........................................................................................................................................................................................................................58
Trial operation........................................................................................................................................................................................................................................59
Final checks and user tips.................................................................................................................................................................................................................61
Troubleshooting ..................................................................................................................................................................................................................................62
Wired Remote Controller Installation/Service Mode...........................................................................................................................................................63

3
ENGLISH
How to use this unit
This unit should be used with air conditioners. Air conditioning is impossible only by this unit, because this unit does not
have temperature control function. (It’s capacity is too small in order to control the room temperature to the whole)
And should be operated in combination with standard indoor units. (Interlocked operation) Independent operation is
possible, however, temperature setting by remote controller is impossible. In this ON/OFF operation by thermostat depends
on factory setting, however, this value is changeable by installation/service mode on site. Model selection should be done
not by cooling capacity but by ventilating air ow rate.
Refer to following capacities when using the product with outdoor unit:
AM050FNKDEH - 3.6kW, AM100FNKDEH - 7.1 kW
Correct Disposal of This Product
(Waste Electrical & Electronic Equipment)
(Applicable in countries with separate collection systems)
This marking on the product, accessories or literature indicates that the product and its electronic accessories (e.g.
charger, headset, USB cable) should not be disposed of with other household waste at the end of their working life.
To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate
these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material
resources.
Household users should contact either the retailer where they purchased this product, or their local government
oce, for details of where and how they can take these items for environmentally safe recycling.
Business users should contact their supplier and check the terms and conditions of the purchase contract. This
product and its electronic accessories should not be mixed with other commercial wastes for disposal.
For information on Samsung’s environmental commitments and product-specific regulatory obligations, e.g. REACH,
WEEE, Batteries, visit: www.samsung.com/uk/aboutsamsung/sustainability/environment/our-commitment/data/

4
Before using your new product, please read this manual thoroughly to ensure
that you know how to safely and eciently operate the extensive features and
functions of your new appliance.
Because the following operating instructions cover various models, the
characteristics of your product may dier slightly from those described in this
manual. If you have any questions, call your nearest contact center or nd help
and information online at www.samsung.com.
Important safety symbols and precautions:
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.
Follow directions.
Do NOT attempt.
Make sure the machine is grounded to prevent electric shock.
Unplug the power plug from the wall socket.
Do NOT disassemble.
FOR INSTALLATION WARNING
Use the power line with the power specications of the product or
higher and use the power line for this appliance only. In addition, do
not use an extension line.
XExtending the power line may result in electric shock or re.
XDo not use an electric transformer. It may result in electric shock or re.
XIf the voltage/frequency/rated current condition is dierent, it may
cause re.
Safety precautions
USING PARTS

5
ENGLISH
The installation of this appliance must be performed by a qualied
technician or service company.
XFailing to do so may result in electric shock, re, explosion, problems
with the product, or injury.
Install a switch and circuit breaker dedicated to the product.
XFailing to do so may result in electric shock or re.
Fix the outdoor unit rmly so that the electric part of the outdoor unit
is not exposed.
XFailing to do so may result in electric shock or re.
Do not install this appliance near a heater, inammable material.
Do not install this appliance in a humid, oily or dusty location, in a
location exposed to direct sunlight and water (rain drops). Do not
install this appliance in a location where gas may leak.
XThis may result in electric shock or re.
Never install the outdoor unit in a location such as on a high external
wall where it could fall.
XIf the outdoor unit falls, it may result in injury, death or property damage.
This appliance must be properly grounded. Do not ground the
appliance to a gas pipe, plastic water pipe, or telephone line.
XFailure to do so may result in electric shock, re, an explosion, or other
problems with the product.
XNever plug the power cord into a socket that is not grounded correctly
and make sure that it is in accordance with local and national codes.

6
Safety precautions
FOR INSTALLATION CAUTION
Install your appliance on a level and hard oor that can support its
weight.
XFailing to do so may result in abnormal vibrations, noise, or problems
with the product.
Install the draining hose properly so that water is drained correctly.
XFailing to do so may result in water overowing and property damage.
When installing the outdoor unit, make sure to connect the draining
hose so that draining is performed correctly.
XThe water generated during the heating operation by the outdoor unit
may overow and result in property damage.
In particular, in winter, if a block of ice falls, it may result in injury, death or
property damage.
Do not let the discharged air go back to the indoor through its air
suction hole. It can contaminate indoor air.
Do not connect the electric heater to the product.
Hang down a blockage for bird in front of outdoor air suction duct. If
something such as bird's nest blocks the air suction duct, it may result
in oxygen shortage in indoors.
FOR POWER SUPPLY WARNING
When the circuit breaker is damaged, contact your nearest service
center.

7
ENGLISH
Do not pull or excessively bend the power line. Do not twist or tie
the power line. Do not hook the power line over a metal object,
place a heavy object on the power line, insert the power line
between objects, or push the power line into the space behind the
appliance.
XThis may result in electric shock or re.
FOR POWER SUPPLY CAUTION
When not using the product for a long period of time or during a
thunder/lightning storm, cut the power at the circuit breaker.
XFailing to do so may result in electric shock or re.
FOR USING WARNING
If the appliance is ooded, please contact your nearest service center.
XFailing to do so may result in electric shock or re.
If the appliance generates a strange noise, a burning smell or smoke,
unplug the power plug immediately and contact your nearest service
center.
XFailing to do so may result in electric shock or re.
In the event of a gas leak (such as LNG, LPG or Liqueed natural
gas, Liqueed petroleum gas, etc.), ventilate immediately without
touching the power line. Do not touch the appliance or power line.
XDo not use a ventilating fan.
XA spark may result in an explosion or re.

8
FOR USING WARNING
To reinstall the product, please contact your nearest service center.
XFailing to do so may result in problems with the product, water leakage,
electric shock, or re.
XA delivery service for the product is not provided. If you reinstall the
product in another location, additional construction expenses and an
installation fee will be charged.
XEspecially, when you wish to install the product in an unusual location
such as in an industrial area or near the seaside where it is exposed to
the salt in the air, please contact your nearest service center.
Do not touch the circuit breaker with wet hands.
XThis may result in electric shock.
Do not strike or pull the product with excessive force.
XThis may result in re, injury, or problems with the product.
Do not place an object near the outdoor unit that allows children to
climb onto the machine.
XThis may result in children seriously injuring themselves.
Do not turn the product o with the circuit breaker while it is
operating.
XTurning the product o and then on again with the circuit breaker may
cause a spark and result in electric shock or re.
After unpacking the product, keep all packaging materials well out
of the reach of children, as packaging materials can be dangerous to
children.
XIf a child places a bag over its head, it may result in suocation.
Do not insert your ngers or foreign substances into the air inlet/
outlet of the product.
Safety precautions

9
ENGLISH
XTake special care that children do not injure themselves by inserting
their ngers into the product.
Do not use the product as a ventilator for a burner.
XIf you use a burner with gas or gasoline, you need to have separate
ventilation system for the combustible apparatus.
If any foreign substance such as water has entered the appliance,
cut the power by unplugging the power plug and turning the circuit
breaker o and then contact your nearest service center.
XFailing to do so may result in electric shock or re.
Do not attempt to repair, disassemble, or modify the appliance
yourself.
XDo not use any fuse (such as cooper, steel wire, etc.)other than the
standard fuse.
XThis may result in electric shock, re, problems with the product, or
injury.
FOR USING CAUTION
Do not place objects or devices under the indoor unit.
XWater dripping from the indoor unit may result in re or property
damage.
Check that the installation frame of the outdoor unit is not broken at
least once a year.
XFailing to do so may result in injury, death or property damage.
Max current is measured according to IEC standard for safety and
current is measured according to ISO standard for energy eciency.

10
FOR USING CAUTION
Do not stand on top of the appliance or place objects (such as
laundry, lighted candles, lighted cigarettes, dishes, chemicals, metal
objects, etc.) on the appliance.
XThis may result in electric shock, re, problems with the product, or
injury.
Do not operate the appliance with wet hands.
XThis may result in electric shock.
Do not spray volatile material such as insecticide onto the surface of
the appliance.
XAs well as being harmful to humans, it may also result in electric shock,
re or problems with the product.
Do not drink the water from the product.
XThe water may be harmful to humans.
Do not apply a strong impact to the remote controller and do not
disassemble the remote controller.
Do not touch the pipes connected with the product.
XThis may result in burns or injury.
Do not use this product to preserve precision equipment, food,
animals, plants or cosmetics, or for any other unusual purposes.
XThis may result in property damage.
Avoid directly exposing humans, animals or plants from the air ow
from the product for long periods of time.
XThis may result in harm to humans, animals or plants.
Safety precautions

11
ENGLISH
This appliance is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person
responsible for their safety. Children should be supervised to ensure
that they do not play with the appliance.
For use in Europe : This appliance can be used by children aged
from 8 years and above and persons with reduced physical, sensory
or mental capabilities or lack of experience and knowledge if they
have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved.
Children shall not play with the appliance. Cleaning and user
maintenance shall not be made by children without supervision

AA
12
FOR CLEANING WARNING
Do not clean the appliance by spraying water directly onto it. Do not
use benzene, thinner or alcohol to clean the appliance.
XThis may result in discoloration, deformation, damage, electric shock or
re.
Before cleaning or performing maintenance, unplug the product
from the wall socket and wait until the fan stops.
XFailing to do so may result in electric shock or re.
FOR CLEANING CAUTION
Take care when cleaning the surface of the heat exchanger of the
outdoor unit since it has sharp edges.
XTo avoid cutting your ngers, wear thick cotton gloves when cleaning it.
Do not clean the inside of the product by yourself.
XFor cleaning inside the appliance, contact your nearest service center.
XWhen cleaning the internal lter, refer to the descriptions in the
‘Cleaning and maintaining the unit' section.
XFailure to do may result in damage, electric shock or re.
Safety precautions

13
ENGLISH
Checking Up the Sub Power Supply
The sub power supply is a device to prevent electric leakage due to the over current.
Install the sub power supply separately near the unit and turn it o when you clean the
unit or you do not use the unit for a long period of time.
Install & Operation Ranges
t  If the circuit breaker (MCCB, ELB) is installed, the sub power supply does not need to be installed mandatorily.
t  If the unit is operated under the condition other than are indicated, it may not operate due to the protective device
in the unit. Especially, if outside temperature is under -15°C, the unit does not operate at all.
t %POPUPQFSBUFUIFVOJUXIFOUZQIPPODPNFT8BUFSNBZHFUJOUIFSPPNUISPVHIUIFVOJUEVFUPUIFSBJOBOE
heavy winds.
t "WPJEPQFSBUJOHUIFVOJUJOJOEPPSPSPVUEPPSXJUIIJHIUFNQFSBUVSFBOEIVNJEJUZTJODFEFXNBZGPSNPOUIF
internal part of the product, including the heat exchanger. Especially avoid using it during the long rainy period in
the summer.
Checking before use
XTurn on the sub power supply which is installed separately.
- The sub power supply is not supplied with the unit.
Purchase the sub power supply individually
.
Install condition Outdoor air condition Indoor air condition
0~40 °C, 80 %RH below -15~40 °C, 80 %RH below 0~40 °C, 80 %RH below
Maintaining your product
Internal protections via the unit control system
XThis internal protection operates if an internal fault occurs in the product.
Type Description
Against cold air The internal fan will be o to against cold air when the heat pump is heating.
De-frost cycle The internal fan will be o to against cold air when the heat pump is heating.
Anti-protection of
internal battery
The compressor will be o to protect internal battery when the product operates in Cool
mode.
Protect compressor The product does not start operating immediately to protect the compressor of the
outdoor unit after it has been started.
t *GUIFIFBUQVNQJTPQFSBUJOHJO)FBUNPEF%FJDFDZDMFJTBDUVBUFEUPSFNPWFGSPTUGSPNBOPVUEPPSVOJUUIBUNBZ
have deposited at low temperatures.
The internal fan is switched o automatically and restarted only after the de-ice cycle is completed.
When the outdoor air suction temperature becomes lower than -10 °C, the unit is changed to intermittent
operation to prevent freezing of the heat exchanger element and dew condensation within the unit.

14
Tips on using product
Here are some tips that you would follow when using your product.
TOPIC RECOMMENDATION
Heat-EX Mode t &OFSHZMPTTJTNJOJNJ[FECZSFDPWFSJOHFOFSHZFYIBVTUFEXIFOJOEPPSIFBUJOHBOEDPPMJOH
Quiet Mode t 5IJTBMMPXTZPVUPIBWFRVJFUTMFFQBOEGSFTIBJSXIJMFTMFFQJOH
t 5IF&37PQFSBUJPOMBNQXJMMBMTPCFMFTTCSJHIU
Away Mode t 5IJTBMMPXTZPVUPPQFSBUFUIF&37XIJMFZPVBSFBXBZGSPNIPNF
t *GUIFPQFSBUJPOBMTUBUVTJTDIBOHFECZBOPUIFSDPOUSPMMFSUIF"XBZNPEFJTDBODFMFE
By-Pass Mode t 5IFWFOUJMBUJPONFUIPEJTVTFEXIFOUFNQFSBUVSFHBQPGJOEPPSBOEPVUEPPSJTOPUCJH
t 0VUEPPSBJSøPXTJOUPJOEPPS
Auto Mode t 5IFBJSJTBVUPNBUJDBMMZDIBOHFEEFQFOEJOHPOUIFEFHSFFPGQPMMVUJPOJOUIFJOEPPSBJS
(Available only when the additional CO2sensor is installed)
Energy saving t .BLFPQFSBUJOHDPOEJUJPOGPSPQUJNJ[FEFOFSHZTBWJOH
Clean up t 1SFWFOUUIFPEPSBOEEVTUPGPUIFSQMBDFTTVDIBTCBUISPPNBOELJUDIFOGSPNFOUFSJOHJOTJEFCZ
making the supply air greater than the exhaustion air.
(You can reverse this procedure to make the exhaustion air bigger than the supply air.)
Cooling / Heating t :PVDBOIBWFDPPMJOHBOEIFBUJOHPQFSBUJPOUISPVHIUIF%9$0*-
t 5IJTVOJUTIPVMECFVTFEXJUIBJSDPOEJUJPOFST"JSDPOEJUJPOJOHJTJNQPTTJCMFPOMZCZUIJTVOJU
because this unit does not have temperature control function. (It’s capacity is too small in order
to control the room temperature to the whole) and should be operated in combination with
standard indoor units.
t 8IFOBSFNPUFDPOUSPMMFSJTPOMZDPOOFDUFEUPUIF&37XJUI%9$0*-JOEFQFOEFOUPQFSBUJPOJT
possible. However, temperature setting by remote controller is not possible.
t *OUIJT0/0''PQFSBUJPOCZUIFSNPTUBUEFQFOETPOGBDUPSZTFUUJOH)PXFWFSUIJTWBMVFJT
changeable by installation/service mode on site.
Frost & De-frost t 8IFOUIFQSPEVDUSVOTJO)FBUNPEFEVFUPUFNQFSBUVSFEJòFSFODFCFUXFFOUIFVOJUBOEUIF
outside air, frost will form.
If this happens:
- The product stops heating.
- The product will operate automatically in De-ice mode for 10 minutes.
- The steam produced on the outdoor unit in De-ice mode is safe.
No intervention is required; after about 10 minutes, the product operates again normally.
KThe unit will not operate when it starts to de-ice.
High indoor/outdoor
temperatures
t *GCPUIJOEPPSBOEPVUEPPSUFNQFSBUVSFTBSFIJHIBOEUIFQSPEVDUJTSVOOJOHJO)FBUNPEFUIF
outdoor unit’s fan and compressor may stop at times. This is normal; wait until the product turns
on again.
Power failure t *GBQPXFSGBJMVSFPDDVSTEVSJOHUIFPQFSBUJPOPGUIFQSPEVDUUIFPQFSBUJOHJNNFEJBUFMZTUPQT
and unit will be o. When power returns, the product will run automatically.
Protection
mechanism
t "GUFSUIFDPNQSFTTPSIBTTUPQQFEPSUIFQPXFSTVQQMZIBTCFFOTXJUDIFEPOUIFDPNQSFTTPS
will not run for 3 minutes for its protection therefore cool/warm air does not come out of the unit
immediately.
Checking before use

15
ENGLISH
Checking the name of the parts
Main parts
Inspection hole
Access for inspection/
maintenance
A
A
Model 'A' (mm)
AM050FNKDEH 450 x 450
AM100FNKDEH 550 x 550
XThere is access for inspection/maintenance for cleaning the air lter and the heat exchanger element.
XLack of installation and maintenance spaces may cause injury or malfunction.
X5IFSFJTBMTPBDDFTTGPSJOTQFDUJPONBJOUFOBODFPGUIF%9DPJMBOEIVNJEJöFSFMFNFOU
Heat exchange element
Air lter(inside)
Electrical component box
%9$0*-
Access panel
OutdoorAir
Supply Air
Return Air
Exhaust Air

16
For detailed instruction, refer to the wired remote controller user manual.
XWired remote controller (not supplied)
XModel: MWR-WE10N
Display
Checking the name of the parts
③
①
②
⑰
⑯
⑮
⑭
⑱
Operation On/Off button
LED Indicator
(Green : Normal / Red : Error)
Temperature Setting Button
④ ⑤ ⑨ ⑩ ⑪ ⑫ ⑬
⑥
⑧ 󱇾 󱇽 ⑲⑳⑦

17
ENGLISH
Classication Indication Function
Product
Related
Information
①
Displays System operation
②
Displays Quiet/Sleep operation
③
Displays Indoor temperature/Set temperature
④
Displays discharge temperature control
⑤
Displays CO2/power consumption
⑥
Displays AC fan speed
⑦
Displays Blade selection
⑧
Displays Air swing(Up/Dn)
Schedule
related
information
⑨
Weekly schedule/Holiday setting displays
⑩
Displays Current day() or scheduled day(_)
⑪
Displays Schedule number
⑫
Displays Scheduled device selection
⑬
Displays Current time/summer time/scheduled time
7FOUJMBUPS
&37
related
information
⑭
%JTQMBZT7FOUJMBUPS&37PQFSBUJPO
⑮
Displays Clean up
⑯
%JTQMBZT7FOUJMBUPS&37GBOTQFFE
Commom
function
related
information
⑰
Displays Invalid operation /Filter cleaning (filter cleaning period)
⑱
Displays Dust box cleaning alert/check/partial locking/full locking
⑲
Displays Away/Motion detect sensor/Range hood/External interconnection
control/Auto clean/ Humidifying/Energy saving/Outdoor air supply intake/
Central control
⑳
Displays S-Plasma Ion
󱇽
Displays Indoor CO2density
󱇾
Displays Indoor humidity

18
Checking the name of the parts
Buttons
③
⑥
①
⑧
⑨
⑫
⑤
②
󱇾
⑬
⑱
󱇿
⑮
󱈀
󱇽
⑳
⑪ ⑯ ⑲⑩ ⑰⑭ 󱈁 󱈂④
⑦
Classication Button Function
Unit
Related
Information
①
Operation On/Off
button Turns the unit power On/Off
②
Mode button Selects the desired unit operation
③
Temperature setting
button Sets the desired temperature
④
Fan speed button Changes the unit fan speed
⑤
Air Swing button Changes the air flow direction to move upward or downward
⑥
Temp. button Checks the indoor temperature
⑦
Quiet/Sleep button Selects Quiet or Sleep operation for the unit

19
ENGLISH
Classication Button Function
Unit
Related
Information
⑧
Humidity button Turns the AHU humidifying function On/Off
⑨
Blade button Selects a blade for individual control
⑩
Away / Motion detect
sensor button
Selects when no one is detected in an indoor area, when the
air conditioner needs to be turned off automatically, when the
AWAY operation is set
⑪
Outdoor air intake Select the AHU Outdoor intake function
Special
Function
Displays
⑫
Schedule Button Select the schedule setting function
⑬
User Set Button Select the detailed setting function
⑭
Navigational buttons Move between items or change the item value
⑮
Set button Save your new settings
⑯
ESC button Return to general mode from schedule and detailed setting screens
⑰
Delete button Cancel the schedule setting
⑱
Auto Clean button Use the auto cleaning function for your unit
⑲
CO2/[kWh] button Display the amount of CO2and the power consumption
⑳
Filter Reset button Turn off the filter cleaning displays (filter using time reset)
󱇽
S-Plasma Ion button Choose the S-Plasma Ion function
7FOUJMBUPS
&37
Related
Buttons
󱇾
Operation On/Off button 5VSOUIF7FOUJMBUPS&370O0GG
󱇿
Mode button 4FMFDUUIFEFTJSFEPQFSBUJPOGPSUIF7FOUJMBUPS&37
󱈀
Fan speed button $IBOHFUIFGBOTQFFEGPSZPVS7FOUJMBUPS&37
󱈁
E.Saver button Begin Energy Saving Operation
󱈂
Clean up button Select air purification through the in/out load controls
t "GUFSDMFBOJOHUIFöMUFSQMFBTFQSFTTUIFFilter Reset button. The lamp will turn o, and it will be turned
on again upon the next cleaning period.
t *GZPVQSFTTBGVODUJPOBMCVUUPOOPUTVQQPSUFECZUIFVOJUUIFOUIF
lamp will turn on.
t *GUIFUFNQFSBUVSFEJTQMBZTFUUJOHJTTFUUPJOEPPSUFNQFSBUVSFBOEZPVQSFTTUIFTemp. button,
the
lamp display will appear. (When you install the wired remote controller, the setting is available.)
t *GZPVQSFTTUIFOn/O CVUUPOXIFOZPVS7FOUJMBUPS&37JTDPOOFDUFEUPBXJSFESFNPUFDPOUSPMMFSUIFOUIF
BJSDPOEJUJPOFSBOEUIF7FOUJMBUPS&37NJHIUPQFSBUFPSTUPQBUUIFTBNFUJNFPSPOMZUIFBJSDPOEJUJPOFSNJHIU
operate or stop. The factory setting is set to simultaneous operation/stop. (When you install the wired remote
controller, the setting is available.)
t 
Although the air conditioner BOEUIF7FOUJMBUPS&37BSFTFUUPTJNVMUBOFPVTPQFSBUJPOTUPQ
you can individually control the
air conditioner BOEUIF7FOUJMBUPS&37CZVTJOHBOPUIFSDPOUSPMMFS
(e.g. wireless remote controller, central controller, S-net mini) except for a wired remote controller.

20
Basic operation
Press the button to begin the ventilator(ERV) operation.
Press the
button to select the desired operation.
Press the button to change the fan speed.
)FBU&9 (High)
▷ (Turbo) ▷ (Medium)
Quiet Can’t change the fan speed.
Away (Medium)
By-Pass (High)
▷ (Turbo) ▷ (Medium)
Auto (High)
▷ (Turbo) ▷ (Medium)
※ After installing a CO2sensor in your Ventilator(ERV), you can select from (High) ▹ (Turbo) ▹
(Auto)▹ (Medium).
(Exception : Quiet Operation, Away Operation)
Basic operations can be selected after pressing the Mode button.
When the wired remote controller is connected to an ERV with DX-COIL and an Air conditioner simultaneously
When controlling an ERV with DX-COIL