Kaysun KEM-HT-75 Guide de démarrage rapide
Thank you very much for purchasing our product,
Before using your unit , please read this manual carefully and keep it for future reference.
The gure shown in this manual is for reference only and may be slightly dierent from the actual
product.
KEM-HT-65 DRS5
KEM-HT-75 DRS5
KEM-HT-110 DRS5
KEM-HT-140 DRS5
OWNER'S & INSTALLATION MANUAL
New Modular Full Dc Inverter Chillers HT
ACCESSORIES .......................................................................................................................01
1 INTRODUCTION
• 1.1 Use conditions of the unit.................................................................................................01
2 SAFETY CONSIDERATION........................................................................................... 02
3 BEFORE INSTALLATION
• 3.1 Handling of the unit ..........................................................................................................04
4 IMPORTANT INFORMATION ON REFRIGERANT.............................................05
5 SELECTION OF INSTALLATION SITE ....................................................................05
6 PRECAUTIONS ON INSTALLATION
• 6.1 Outline dimensional drawing ............................................................................................06
• 6.2 Requirements of arrangement space of the unit .............................................................. 07
• 6.3 Installation foundation ......................................................................................................08
• 6.4 Installation of damping devices ........................................................................................08
• 6.5 Installation of device to prevent snow build-up and strong breeze ................................. 09
7 CONNECTION DRAWING OF PIPELINE SYSTEM ...........................................10
8 OVERVIEW OF THE UNIT
• 8.1 Main parts of the uint........................................................................................................ 11
• 8.2 Opening the uint...............................................................................................................12
• 8.3 Outdoor unit PCBs ...........................................................................................................13
• 8.4 Electric wiring ...................................................................................................................16
• 8.5 Water system installation .................................................................................................23
9 STRAT-UP AND CONFIGRUATION...........................................................................27
10 TEST RUN AND FINAL CHECK
• 10.1 Check item table after installation ..................................................................................28
• 10.2 Trial run ..........................................................................................................................28
CONTENTS
11 MAINTENANCE AND UPKEEP
• 11.1 Failure information and code .......................................................................................... 29
• 11.2 Digital display of main board .......................................................................................... 31
• 11.3 Care and maintenance ...................................................................................................31
• 11.4 Removing scale .............................................................................................................. 31
• 11.5 Winter shutdown............................................................................................................. 31
• 11.6 Replacing parts...............................................................................................................31
• 11.7 First startup after shutdown ............................................................................................ 32
• 11.8 Refrigeration system.......................................................................................................32
• 11.9 Disassembling compressor ............................................................................................32
• 11.10 Auxiliary electric heater................................................................................................. 32
• 11.11 System antifreezing ......................................................................................................32
• 11.12 Replacement of safety valve ........................................................................................33
• 11.13 INFORMATION SERVICING........................................................................................ 34
RECORD TABLE OF TEST RUN AND MAINTENANCE........................................................... 37
RECORD TABLE OF ROUTINE RUNNING ............................................................................... 37
12 APPLICABLE MODELS AND MAIN PARAMETERS......................................38
13 INFORMATION REQUIREMENTS ........................................................................... 39
01
ACCESSORIES
Unit Installation & Operation Manual Temperature testing components
of total water outlet Transformer Installation manual of
wired controller
Quantity 1 1 1 1
Shape
Purpose / Use for installation (only need for setting the main module)
1 INTRODUCTION
1.1 Use conditions of the unit
1) The standard voltage of power supply is 380-415V 3N~50Hz, the minimum allowable voltage is 342V, and the maximum voltage
is 456V.
2) To maintain better performance, please operate the unit under the following outdoor temperature:
-15
-20
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
0
51015 20 25 30
T4[°C]
-25
-30
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
20 25 30 35 40 45 50 55 60 65 70
T4[°C]
65KW&110KW
COOLING
Two [°C] Two [°C]
Outlet water temperature (°C) Outlet water temperature (°C)
Fig. 1-1-1 Cooling operating range Fig. 1-1-2 Heating operating range
65KW&110KW
HEATING
Low leaving water temperature mode can be set by wired controller, please refer to the Operation Manual (select “LOW
OUTLETWATER CONTROL” under “SERVICE MENU” page) for details. If low leaving water temperature function is eective, the
operation range will extend to the shadow area. When the setting water temperature is less than 5°C, antifreeze liquid (concentration
above 15%) should be added in the water system, otherwise the unit and the water system will be damaged.
Domestic hot water mode can be set by wired controller, please refer to the Operation Manual (select “DHW SWITCH” under “USER
MENU” page) for details. The outlet temperature of the heat pump can reach 62°C when it is run alone, and the outlet temperature
can reach 70°C when it is paired with the electric auxiliary heating.
02
2. SAFETY CONSIDERATION
The precautions listed here are divided into the following types.They are quite important, so be sure to follow them carefully.
Meanings of DANGER, WARNING, CAUTION and NOTE symbols.
• Read these instructions carefully before installation. Keep this manual in a handy for future peference.
• Improper installation of equipment or accessories may result in electric shock, short-circuit, leakage, re or other
damage to the equipment. Be sure to only use accessories made by the supplier, which are specically designed for the
equipment and make sure to get installation done by professional installers.
• All the activities described in this manual must be carried out by a licensed technician. Be sure to wear adequate
personal protection equipments such as gloves and safety glasses while installing the unit or carrying out maintenance
activities.
• Contact your dealer for any further assistance.
i
INFORMATION
Indicates an imminently hazardous situation which if not avoided, will result in serious injury.
-------------------------------------------------------------------------------------------------
WARNING
Indicates a potentially hazardous situation which if not avoided, could result in serious injury.
-------------------------------------------------------------------------------------------------
CAUTION
Indicates a potentially hazardous situation which if not avoided, may result in minor or moderate injury.
It is also used to alert against unsafe practices.
-------------------------------------------------------------------------------------------------
NOTE
Indicates situations that could only result in accidental equipment or property damage.
DANGER
Explanation of symbols displayed on the indoor unit or outdoor unit
WARNING This symbol shows that this appliance used a ammable refrigerant. If the refrigerant is leaked
and exposed to an external ignition source, there is a risk of re.
CAUTION This symbol shows that the operation manual should be read carefully.
CAUTION This symbol shows that a service personnel should be handling this equipment with reference
to the installation manual.
CAUTION This symbol shows that a service personnel should be handling this equipment with reference
to the installation manual.
CAUTION This symbol shows that information is available such as the operating manual or installation
manual.
• Before touching electric terminal parts, turn o power switch.
• When service panels are removed, live parts can be easily touched by accident.
• Never leave the unit unattended during installation or servicing when the service panel is removed.
• Do not touch water pipes during and immediately after operation as the pipes may be hot and could burn your hands. To
avoid injury, leave the piping drip to room temperature or be sure to wear protective gloves.
• Do not touch any switch with wet ngers. Touching a switch with wet ngers can cause electrical shock.
• Before touching electrical parts, turn o all applicable power to the unit.
DANGER
03
• Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring
the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of
ammable refrigerants.
• Tear apart and throw away plastic packaging bags so that children will not play with them. Children that playing with
plastic bags face danger of suocation.
• Safely dispose of packing materials such as nails and other metal or wood parts that could cause injuries.
• Ask your dealer or qualied personnel to perform installation work in accordance with this manual. Do not install the unit
yourself. Improper installation could result in water leakage, electric shocks or re
• Be sure to use only specied accessories and parts for installation work. Failure to use specied parts may result in
water leakage, electric shocks, re, or collapse from its mount.
• Install the unit on a foundation that can withstand its weight. Insucient physical strength may cause the equipment to
fall and possible injury.
• Perform specied installation work with full consideration of strong wind, hurricanes, or earthquakes. Improper
installation work may result in accidents due to equipment falling.
• Make sure that all electrical work is carried out by qualied ersonnel according to the local laws and regulations and the
manual switch should be installed individual circuit separate circuit. Insucient capacity of the power supply circuit or
improper electrical construction may lead to electric shocks or re.
• Be sure to install a ground fault circuit interrupter according to local laws and regulations. Failure to install a ground fault
circuit interrupter may cause electric shocks and re.
• Make sure all wiring is secure. Use the specied wires and ensure that terminal connections or wires are protected from
water and other adverse external forces. Incomplete connection or axing may cause a re.
• When wiring the power supply, tidy the wires so that the front panel can be securely fastened. If the front panel is not in
place there could be overheating of the terminals, electric shocks or re.
• After completing the installation work, make sure that there is no refrigerant leakage.
• Never directly touch any leaking refrigerant as it could cause severe frostbite. Do not touch the refrigerant pipes during
or soon after operation as the refrigerant pipes may be hot or cold,. Burns or frostbite are possible if you touch the
refrigerant pipes. To avoid injury, leave the pipes return to normal temperature or, wear protective gloves if you have to
touch the piping.
• Do not touch the internal parts (pump, backup heater, etc.) during or soon after operation. Touching the internal parts
can cause burns. To avoid injury, leave the internal parts return to normal temperature or, wear protective gloves if you
have to touch the piping.
• Do not accelerate the defrosting process or clean manually, unless those
recommended by the manufacturer.
• The appliance shall be stored in a room without continuously operating ignition
sources (for example: open ames, an operating gas appliance or an operation
electric heater.)
• Do not pierce or burn the unit.
• Be aware that refrigerants may not contain an odour.
Caution: Risk of re/
ammable materials
WARNING
• Ground the unit.
• Grounding resistance should be according to local laws and regulations.
• Do not connect the ground wire to gas or water pipes, lightning conductors or telephone ground wires.
• Incomplete grounding may cause electric shocks.
- Gas pipes: Fire or an explosion might occur if the gas leaks.
- Water pipes: Hard vinyl tubes are not eective grounds.
- Lightning conductors or telephone ground wires: Electrical threshold may rise abnormally if struck by a lightning bolt.
• Install the power wire at least 3.3 feet (1 meter) away from televisions or radios to prevent interference or noise.
(Depending on the radio waves, a distance of 3.3 feet (1 meter) may not be sucient to eliminate the noise.)
• Do not wash the unit by water. This may cause electric shocks or re. The appliance must be installed in accordance
with national wiring regulations. If the supply cord is damaged, it must be replaced.
CAUTION
04
• Do not install the unit in the following places:
- Where there is mist of mineral oil, oil spray or vapors. Plastic parts may deteriorate, and cause possible loose or water to
leak.
- Where corrosive gases (such as sulphurous acid gas) are produced. Where corrosion of copper pipes or soldered parts
may cause refrigerant leakage.
- Where there is machinery which emits electromagnetic waves. Electromagnetic waves can disturb the control system and
cause equipment malfunction.
- Where ammable gases may leak, where carbon ber or ignitable dust is suspended in the air or where volatile
ammables such as paint thinner or gasoline are handled. These types of gases might cause a re.
- Where the air contains high levels of salt such as near the seaside.
- Where voltage uctuates a lot, such as in factories.
- In vehicles or vessels.
- Where acidic or alkaline vapors are present.
• Children should not play with the unit. Cleaning and user maintenance should not be done by children without
supervision.
• This appliance is intended to be operated by expert or trained users in shops, in light industry and on farms, or for
commercial use by lay persons
• If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly qualied person
in order to avoid a hazard.
• DISPOSAL: Do not dispose this product as unsorted municipal waste. Collection of such waste seperatelly for special
treatment is necessary. Do not dispose of electrical appliances as municipal waste, use seperate collection facilities.
Contact your local goverment for information regarding the collection systems available. If electrical appliances are
disposed of in landlls or dumps, hazardous substance can leak into the groudwater and get into the food chain,
damaging your health and well-being.
• The wiring must be performed by professional technicians in accordance with national wiring regulation and this circuit
diagram. An all-pole disconnection device which has at least 3mm seperation distance in all pole and a residualcurrent
device (RCD) with the rating not exceeding 30mA shall be incorporated in the xed wiring according to the national rule.
• Conrm the safety of the installation area (walls, oors, etc. ) without hidden dangers such as water, electricity, and gas
before the wiring and piping works.
• Before installation, check whether the user's power supply meets the electrical installation requirements of unit (including
reliable grounding, leakage, and wire diameter electrical load, etc.) . If the electrical installation requirements of the
product are not met, the installation of the product is prohibited until rectied.
• When installing multiple units in a centralized manner, please conrm the load balance of the three-phase power supply,
and multiple units are prevented from being assembled into the same phase of the three-phase power supply.
• Product installation should be xed rmly, Take reinforcement measures, if necessary.
CAUTION
• About Fluorinated Gasses
- This air-conditioning unit contains uorinated gasses. For specic information on the type of gas and the amount, please
refer to the relevant label on the unit itself. Compliance with national gas regulations shall be observed.
- Installation, service, maintenance and repair of this unit must be performed by a certied technician.
- Product uninstallation and recycling must be performed by a certied technician.
- If the system has a leak-detection system installed, it must be checked for leaks at least every 12 months. When the unit is
checked for leaks, proper record-keeping of all checks is strongly recommended.
NOTE
3 BEFORE INSTALLATION
3.1 Handling of the unit
The angle of inclination should not be more than 15º when carrying the unit in case of overturn of the unit.
1) Rolling handling: several rolling rods of the same size are placed under the base of the unit, and the length of each rod must be
more than the outer frame of the base and suitable for balancing of the unit.
05
2) Lifting: each lifting rope (belt) should be able to bear 4 times the weight of the unit. Check the lifting hook and ensure that it is
rmly attached to the unit. To avoid damages to the unit, a protective block made of wood , cloth or hard paper should be placed
between the unit and rope when lifting, and its thickness should be 50mm or more. It is strictly forbidden to stand under the machine
when it is hoisted.
Lifted cable
the angle of
inclinaton
4 protective blocks should be
placed. Unilatera l distance
should be 50mm or more.
Lifted hook
Lifted hook
Fig. 3-1 lifting of the unit
4 IMPORTANT INFORMATION ON REFRIGERANT
This product contains uorinated greenhouse gases covered by the Kyoto Protocol. Do not vent gases into the atmosphere.
Refrigerant type: R32
GWP value: 675
GWP: global warming potential
The refrigerant volume is indicated on the unit nameplate
• Add the refrigerant
Amount of factory-charged refrigerant and tonnes CO2Equivalent is
Table 4-1
Model Refrigerant (kg) Tonnes CO2 equivalent
65KW 9 6.08
110KW 15.5 10.46
5 SELECTION OF INSTALLATION SITE
1) Units can be installed on the ground or proper place on a roof, provided that sucient ventilation can be guaranteed.
2) Do not install the unit in a scenario with requirements on noise and vibration.
3) When installing the unit, take measures to avoid exposure to direct sunlight, and keep the unit away from boiler pipeline and
surroundings which might corrode the condenser coil and copper pipes.
4) If the unit can be achieved by unauthorized personnel, take protective measures for safety considerations, such as installing a
fence. These measures can prevent man-caused or accidental injuries, and can also prevent the electrical parts in operation from
being exposed when the main control box is opened.
5) Install the unit on a foundation at least 200 mm high above the ground, where the oor drain is needed, to ensure that no water
accumulate.
6) If installing the unit on the ground, put the steel base of the unit on the concrete foundation, which must be as deep as into the
solid soil layer. Ensure the installation foundation is separated from buildings, as the noises and vibration of the unit may adversely
aect the latter. By means of the installation holes on the unit base, the unit can be fastened on the foundation reliability.
7) If the unit is installed on a roof, the roof must be strong enough to bear the weight of the unit and the weight of maintenance
personnel. The unit can be placed on the concrete and groove-shaped steel frame, similar to the case when the unit is installed on
the ground. The weight-bearing groove-shaped steel must match the installation holes of the shock absorber and is wide enough to
accommodate the shock absorber.
8) For other special requirements for installation, please consult the building contractor, architectural designer or other professionals.
The selected installation site of the unit should facilitate connection of water pipes and wires, and be free from water inlet of
oil fume, steam or other heat sources. Besides, the noise of the unit and cdischarge air should not inuence the surrounding
environment.
NOTE
06
6 PRECAUTIONS ON INSTALLATION
6.1 Outline dimensional drawing
Front view Left view
Top view
Fig. 6-1 Outline dimensional
Table 6-1
Model 65KW 110KW
A 2000 2220
B 960 1135
C1770 2300
D 816 910
E 190 185
F269 270
After installing the spring damper, the total height of the unit will increase by 135mm approximately.
NOTE
07
6.2 Requirements of arrangement space of the unit
1) To ensure adequate airow entering the condenser, the inuence of descending airow caused by the high-rise buildings around
upon the unit should be taken into account when installing the unit.
2) If the unit is installed where the owing speed of air is high, such as on the exposed roof, the measures including sunk fence and
Persian blinds can be taken, to prevent the turbulent ow from disturbing the air entering the unit. If the unit needs to be provided
with sunk fence, the height of the latter should not be more than that of the former; if Persian blinds are required, the total loss of
static pressure should be less than the static pressure outside the fan. The space between the unit and sunk fence or Persian blinds
should also meet the requirement
3) If the unit needs to operate in winter, and the installation site may be covered by snow, the unit should be located higher than the
snow surface, to ensure that air ows through the coils smoothy.
A
B
D
C
G
A
EE
EE
EE
FF
FF
B
D
C
Input of airow
Input of airow
Input of airow
Input of airow
Input of airow Input of airow
Main unit
Main unit
Main unit
Main unit
Main unit
Main unit
Main unit
Main unit
Main unit
Main unit
Fig. 6-2 single unit installstion
Fig. 6-3 multiple units installstion
Main unit
Table 6-2
Installation space (mm)
A≥1500 E≥800
B≥1500 F ≥1100
C ≥1500 G ≥3000
D≥1500 / /
When the number of units installed in the same place is greater than 40 units, please contact professionals to conrm the
installation method.
WARNING
Ce manuel convient aux modèles suivants
3
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