LG ARNH08GK3A2 INSTALLATION INSTRUCTIONS
INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product. Installation work must be performed in accordance with the national wiring standards by authorized personnel only.
Please retain this installation manual for future reference after reading it thoroughly.
Hydro Kit (For High Temperature)
Original instruction
[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu,
Changwon-si, Gyeongsangnam-do, KOREA
For more information, Refer to the CD or LG Web site (www.lg.com).
www.lg.com
<![endif]>ROMÂNĂ LIMBA POLSKI NEDERLANDS ČEŠTINA ΕΛΛΗΝΙΚΆ DEUTSCH FRANÇAIS ESPAÑOL ITALIANO ENGLISH
P/NO : MFL67798102
Hydro Kit Installation Manual |
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TABLE OF CONTENTS |
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1. SAFETY PRECAUTIONS.............................................................................................................. |
3 |
2. INSTALLATION PARTS ................................................................................................................ |
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3. GENERAL INFORMATION ........................................................................................................... |
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MODEL INFORMATION ................................................................................................................ |
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4. INSTALLATION........................................................................................................................... |
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TRANSPORTING THE UNIT....................................................................................................... |
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SELECTION OF THE BEST LOCATION ..................................................................................... |
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INSTALLATION SPACE ............................................................................................................... |
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FOUNDATION FOR INSTALLATION........................................................................................... |
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WATER PIPING AND WATER CIRCUIT CONNECTION ............................................................ |
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SANITARY WATER TANK AND SANITARY WATER TANK KIT.................................................. |
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INSTALLATION SCENES............................................................................................................ |
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REFRIGERANT PIPING.............................................................................................................. |
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HOW TO CONNECT WIRINGS................................................................................................... |
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WIRING CONNECTION .............................................................................................................. |
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CONNECTING CABLES ............................................................................................................. |
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5. ACCESSORIES INSTALLATION................................................................................................ |
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LOCATION OF ACCESSORIES AND EXTERNAL PARTS CONNECTION................................ |
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MAIN PUMP CONNECTION ....................................................................................................... |
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WATER TANK TEMPERATURE SENSOR CONNECTION......................................................... |
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THERMOSTAT............................................................................................................................. |
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REMOTE TEMPERATURE SENSOR ......................................................................................... |
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3WAY VALVE............................................................................................................................... |
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DRY CONTACT ........................................................................................................................... |
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6. SYSTEM SET-UP ........................................................................................................................ |
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DIP SWITCH SETTING ............................................................................................................... |
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GROUP CONTROL SETTING..................................................................................................... |
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INSTALLER SETTING................................................................................................................. |
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7. TEST RUN................................................................................................................................... |
48 |
CAUTION BEFORE OPERATION TEST..................................................................................... |
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OPERATION TEST OF WATER PIPE......................................................................................... |
48 |
TROUBLESHOOTING................................................................................................................. |
49 |
2 Hydro Kit
Safety Precautions
1. Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
■Be sure to read before installing the unit.
■Be sure to observe the cautions specified here as they include important items related to safety.
■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.
WARNING This symbol indicates the possibility of death or serious injury.
CAUTION This symbol indicates the possibility of injury or damage to properties only.
■ Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
■ Installation
Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.
•There is risk of fire or electric shock.
Install the panel and the cover of control box securely.
•There is risk of fire or electric shock.
For electrical work, |
Always ground the unit. |
contact the dealer, |
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seller, a qualified elec- |
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trician, or an Author- |
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ized Service Center. |
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• There is risk of fire or |
• There is risk of fire or |
electric shock. |
electric shock. |
Always install a dedi- |
Use the correctly rated |
cated circuit and |
breaker or fuse. |
breaker. |
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• Improper wiring or instal- |
• There is risk of fire or |
lation may cause fire or |
electric. |
electric shock. |
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<![endif]>ENGLISH
Hydro Kit Installation Manual 3
Safety Precautions
Do not modify or extend the power cable.
•There is risk of fire or electric shock.
Do not install, remove, or reinstall the unit by yourself (customer).
•There is risk of fire, electric shock, explosion, or injury.
For antifreeze, always contact the dealer or an authorized service center.
•Almost the antifreeze is a toxic product.
The refrigerant of this |
For installation, always |
Do not install the unit |
unit is R134a and the |
contact the dealer or an |
on a defective installa- |
unit is connected to the |
Authorized Service |
tion stand. |
outdoor unit where |
Center. |
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R410A refrigerant is |
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used. |
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•The installation tool such as manifold gauge should comply with R410A.
•There is risk of fire, electric shock, explosion, or injury.
•It may cause injury, accident, or damage to the unit.
Be sure the installation |
Do not install the water |
area does not deterio- |
pipe system as Open |
rate with age. |
loop type. |
• If the base collapses, the |
• It may cause failure of |
unit could fall with it, |
unit. |
causing property dam- |
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age, unit failure, and per- |
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sonal injury. |
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Do not install the unit outside.
•It may cause damage to the unit.
Use a vacuum pump or inert (nitrogen) gas when doing leakage test or purging air. Do not compress air or oxygen and do not use flammable gases.
• There is the risk of death, injury, fire or explosion.
4 Hydro Kit
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Safety Precautions |
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■ Operation |
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Do not place anything |
Do not plug or unplug |
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Take care to ensure |
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that power cable could |
on the power cable. |
the power supply plug |
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not be pulled out or |
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during operation. |
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damaged during opera- |
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tion. |
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• There is risk of fire or |
• There is risk of fire or |
• There is risk of fire or |
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electric shock. |
electric shock. |
electric shock. |
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Do not touch (operate) |
Do not place a heater |
the unit with wet hands. |
or other appliances |
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near the power cable. |
• There is risk of fire or |
• There is risk of fire or |
electric shock. |
electric shock. |
Do not allow water to run into electric parts.
•There is risk of fire, failure of the unit, or electric shock.
Do not store or use flammable gas or combustibles near the unit.
•There is risk of fire or failure of unit.
Do not use the unit in a tightly closed space for a long time.
•It may cause damage to the unit.
When flammable gas leaks, turn off the gas and open a window for ventilation before turning the unit on.
•There is risk of explosion or fire.
If strange sounds, or small or smoke comes from unit, turn the breaker off or disconnect the power supply cable.
•There is risk of electric shock or fire.
Stop operation and close the window in storm or hurricane. If possible, remove the unit from the window before the hurricane arrives.
Do not open the front cover of the unit while operation. (Do not touch the electrostatic filter, if the unit is so equipped.)
• There is risk of property |
• There is risk of physical |
damage, failure of unit, |
injury, electric shock, or |
or electric shock. |
unit failure. |
<![endif]>ENGLISH
Hydro Kit Installation Manual 5
Safety Precautions
When the unit is soaked (flooded or submerged), contact an Authorized Service Center.
Be cautious that water |
Ventilate the unit from |
could not be poured to |
time to time when oper- |
the unit directly. |
ating it together with a |
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stove, etc. |
•There is risk of fire or electric shock.
• There is risk of fire, elec- |
• There is risk of fire or |
tric shock, or unit dam- |
electric shock. |
age. |
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Turn the main power off when cleaning or maintaining the unit.
Take care to ensure |
For installation, always |
that nobody could step |
contact the dealer or an |
on or fall onto the unit. |
Authorized Service |
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Center. |
•There is risk of electric shock.
If the unit is not used for long time, we strongly recommend not to switch off the power supply to the unit.
•There is risk of water freezing.
• This could result in per- |
• There is risk of fire, elec- |
sonal injury and unit |
tric shock, explosion, or |
damage. |
injury. |
6 Hydro Kit
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Safety Precautions |
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CAUTION |
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■ Installation |
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Keep level even when |
Use two or more people |
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Always check for gas |
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(refrigerant) leakage |
installing the unit. |
to lift and transport the |
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after installation or re- |
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unit. |
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pair of unit. |
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• Low refrigerant levels |
• To avoid vibration or |
• Avoid personal injury. |
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may cause failure of unit. |
water leakage. |
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■ Operation
Do not use the unit for special purposes, such as preserving foods, works of art, etc.
•There is risk of damage or loss of property.
Use a soft cloth to |
Do not step on or put |
clean. Do not use harsh |
anything on the unit. |
detergents, solvents, |
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etc. |
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• There is risk of fire, elec- |
• There is risk of personal |
tric shock, or damage to |
injury and failure of unit. |
the plastic parts of the |
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unit. |
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Use a firm stool or ladder when cleaning or maintaining the unit.
• Be careful and avoid personal injury.
<![endif]>ENGLISH
Hydro Kit Installation Manual 7
Installation Parts
2. Installation Parts
Thank you for choosing LG Electronics Hydro Kit.
Before starting installation, please make it sure that all parts are found inside the unit box.
Item
Installation Manual
Owner's Manual
Remote Controller
/ Cable
Sensor Holder
Water Tank
Temperature Sensor
Strainer
Image
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Hydro Kit (For High Temperature) |
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Original instruction |
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OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating your set and retain it for future reference.
TYPE : Hydro Kit (For High Temperature)
www.lg.com
P/NO : MFL67212703
Quantity
1
1
1
1
1
1
8 Hydro Kit
General Information
3. General Information
With advanced inverter technology, Hydro Kit is suitable for applications like under floor heating, and hot water generation. By Interfacing to various accessories user can customize the range of the application.
Model Information
Model name and related information
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Type |
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Hydro Kit (For High Temperature) |
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Model |
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Unit |
ARNH08GK3A2 |
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ARNH04GK3A2 |
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Power Supply |
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Ø, V, Hz |
1, 220-240, 50 |
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kW |
25 |
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13.8 |
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Capacity |
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Heating |
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kcal/h |
21500 |
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11870 |
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Btu/h |
85300 |
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47000 |
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Net Weight |
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kg(lbs) |
94(207) |
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88(194) |
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Refrigerant |
Type |
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R134a |
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Quantity |
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kg(lbs) |
3(6.61) |
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2.3(5.07) |
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Noise Level |
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43 |
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*1 : Tested under Eurovent Heating condition
(Water temperature 55 (131 ) 65 (149 ) at outdoor ambient temperature 7 (44 ) / 6 (42 ))
<![endif]>ENGLISH
Hydro Kit Installation Manual 9
Installation
4. Installation
Transporting the Unit
•When carrying the suspended unit, pass the ropes between legs of base panel under the unit.
•Always lift the unit with ropes attached at 6 points so that impact is not applied to the unit.
•Attach the ropes to the unit at an angle of 40° or less.
•Use only accessories and parts which are of the designated specification when installing.
Sub line
40º or less
Line supporter
CAUTION
Be very careful while carrying the unit.
-Do not have only one person carry the unit if it is more than 20 kg (44.1 lbs).
-PP bands are used to pack some products. Do not use them as a mean for transportation because they are dangerous.
-Tear plastic packaging bag and scrap it so that children cannot play with it. Otherwise plastic packaging bag may suffocate children to death.
-When carrying the unit, be sure to support it at 6-points. Carrying and lifting the unit with 4-point support may make it unstable, resulting in a fall.
10 Hydro Kit
Installation
Selection of the best location
1. Select space for installing the unit, which will meet the following conditions:
•The place where the unit shall be installed inside.
•The place shall easily bear a load exceeding four times of the unit weight.
•The place where the unit shall be leveled.
•The place shall allow easy water drainage.
•The place where the unit shall be connected to the outdoor unit.
•The place where the unit is not affected by an electrical noise.
•The place where there should not be any heat source or steam near the unit.
Installation Space
•The following values are the least space for installation.
If any service area is needed for service according to field circumstance, obtain enough service space.
•The unit of values is mm.
300 |
520 |
400 |
Piping space
330
(front side)
Service space (left side)
Service space
600
(front side)
(Unit: mm)
(Unit: mm)
space |
<![if ! IE]> <![endif]>100 |
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Anti Vibration |
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space |
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<![endif]>ENGLISH
H-Beam supporter
Concrete supporter
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Hydro Kit Installation Manual 11
Installation
Foundation for Installation
•Fix the unit tightly with bolts as shown below so that the unit will not fall down due to earthquake.
•Noise and vibration may occur from the floor or wall since vibration is transferred through the installation part depending on installation status. Thus, use anti-vibration materials (cushion pad) fully (The base pad shall be more than 200 mm (7-7/8 inch)).
354
Anti-vibration material
Concrete |
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base |
threads of the |
Support |
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Spring washer
Flat washer 
Anchor bolt 
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12 Hydro Kit
Installation
Water Piping and Water Circuit Connection
General Considerations
Followings should be considered before beginning water circuit connection.
•Service space should be secured.
•Water pipes and connections should be cleaned using water.
•Space for installing external water pump should be provided.
•Never connect electric power while proceeding water charging.
Water Piping and Water Circuit Connection
While installing water pipes, followings should be considered :
•While inserting or putting water pipes, close the end of the pipe with pipe cap to avoid dust entering.
•When cutting or welding the pipe, always be careful that inner section of the pipe should not be defective. For example, no weldments or no burrs are found inside the pipe.
•Pipe fittings (e.g. L-shape elbow, T-shape tee, diameter reducer, etc) should be tightened strongly to be free from water leakage.
•Connected sections should be leakage-proof treatment by applying tefron tape, rubber bushing, sealant solution, etc.
•Appropriate tools and tooling methods should be applied to prevent mechanical breakage of the connections.
•Operation time of flow valve(e.g. 3way valve) should be less than 90 seconds.
•Pipe is insulated to prevent heat loss to external environment.
<![endif]>ENGLISH
Hydro Kit Installation Manual 13
Installation
Water cycle
* For the water pipe system, use the closed loop type.
1.For the parts of the water pipe system, use the parts above the design water pressure.
2.For the water pipe, do not use steel pipe.
3.To replace the connected device easily, install the union joint (2).
4.Install the service port (3) to clean the heat exchanger at each inlet and outlet of the water pipe.
5.Always install a strainer (4) at the inlet of the water pipe.
-For the strainer, use one with 50 mesh or above with measurement diameter of 0.4mm or less. (Exclude other net)
-Always install the strainer on the horizontal pipe.
(When dirt, trash, rusted pieces get into the water pipe system, it can cause problems to the product by corroding the metallic material.)
6.Install the air vent (5) at the top of the water pipe.
7.Install a thermometer (6) and pressure gauge (7) at the inlet and outlet of the water pipe.
8.Install the drain valve (8) that can be used for draining the water inside when replacing the part or providing service.
9.Install the shut-off valve (9) to block the water by closing the valve when replacing the part or cleaning.
10.Apply insulated treatment on the exterior of the water pipe so that water drops do not form.
11.Install excessive pressure safety valve (10) that meets the design water pressure to prevent unit or water pipe damage at the pressure increase inside the water pipe system.
Hydro kit
(For High Temperature)
On-site installation (1) |
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Air vent (5) |
Pressure gauge(7) |
Shut-off valve (9) |
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Union joint (2) |
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Thermometer (6) |
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Excessive pressure |
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safety valve(10) |
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Outlet Water
[Install water tank] or
[Install floor heating]
Inlet water
P/T Service port(3) |
Strainer(4) |
Drain valve(8) |
12.There is a drain hole at the bottom of the Hydro Kit to prevent risk of electric shock caused by leakage of water.
14 Hydro Kit
Installation
* Water tank & Floor heating installation
1.Use the pump (1) with sufficient capacity to assure loss of overall water pressure and to supply water to the Hydro Kit.
2.Install the shut-off valve (2) on both sides of the pump to clean and repair the pump.
3.Install the flexible joint (3) to prevent noise and vibration transferred from the pump.
4.Install the pressure gauge (4) to monitor the water pressure from water tank. (Option)
5.Install the expansion tank (5) to accommodate the water contracted or expanded from the temperature difference and to supply the water.
6.After the installation of water pipe system is completed, open the water supply valve (6) and supply the water.
7.When installing the water tank, insert the water tank temperature sensor (7) to measure the temperature of the water inside the tank.
-For the water tank temperature sensor, use the sensor supplied on the product.
-When heating the floor, measure the temperature by using the remote controller or remote temperature sensor (Separately sold).
8.Use the water tank (9) with the heat exchange coil (8) installed so that the heat can be exchanged sufficiently inside the tank.
Installation of water tank
water tank temperature sensor (7)
Heat shut-off valve (2) Expansion tank (5) exchange
coil (8)
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Pump (1) |
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water tank (9) |
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Pressure gauge (4) |
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Flexible joint (3) |
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(Indirect heating type) |
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Water supply valve (6) |
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Installation of floor heating
shut-off valve (2) |
Expansion tank (5) |
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Pump (1) |
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Floor heating coil |
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Pressure gauge (4) |
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Flexible joint (3)
Water supply valve (6)
Hydro Kit Installation Manual 15
Installation
Strainer
-Use the 50 mesh strainer.
(Exclude scale diameter of 0.4mm or less and other net)
-Check the strainer direction and assemble on the inlet hole (Refer to picture)
-Wrap the Teflon tape on the screw thread of the water pipe for more than 15 times for assembly.
-Install the service port facing downward. (Within left/right 45 degrees)
-Check if there is any leakage on the connecting part.
-Clean the strainer periodically. (Once a year or more frequent)
Water In
45°
Front
Strainer
Side
Sanitary Water Tank and Sanitary Water Tank Kit
Installation Condition
Installing sanitary water tank requires following considerations :
•Sanitary water tank should be located at the flat place.
•Water quality should comply with EN 98/83 EC Directives.
•As this water tank is sanitary water tank (indirect heat exchange), do not use anti water-freezing treatment like ethylene grycol.
•It is highly recommend to wash out inside of the sanitary water tank after installation. It ensures generating clean hot water.
•Near the sanitary water tank, there should be water supply and water drain for easy access and maintenance.
Water Tank
Temperature Sensor
Water Out
Water In
Sanitary
Water Tank
16 Hydro Kit
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