Kaysun Aquantia XL KEM-50 DPS6 Installation Manual

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INSTALLATION MANUAL

Aquantia XL

KEM-50 DPS6

KEM-60 DPS6

KEM-70 DPS6

Original Manual

Please read this manual carefully and keep it for future reference.

All the pictures in this manual are for illustrations purpose only.

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Summary of Contents for Kaysun Aquantia XL KEM-50 DPS6

Page 1 INSTALLATION MANUAL Aquantia XL KEM-50 DPS6 KEM-60 DPS6 KEM-70 DPS6 Original Manual Please read this manual carefully and keep it for future reference. All the pictures in this manual are for illustrations purpose only.
Page 2 CONTENTS 1 SAFETY PRECAUTIONS ---------------------------------------------------- 01 2 GENERAL INTRODUCTION ------------------------------------------------ 09 • 2.1 Documentation -----------------------------------------------------------------------------------09 • 2.2 Transportation and storage -------------------------------------------------------------------09 • 2.3 Arrival and unboxing ----------------------------------------------------------------------------10 • 2.4 Dimensional (unit:mm) -------------------------------------------------------------------------10 • 2.5 Main parts of the uint ---------------------------------------------------------------------------11 •...
Page 3 • 10.3 Care and maintenance -----------------------------------------------------------------------49 • 10.4 Removing scale --------------------------------------------------------------------------------49 • 10.5 Winter shutdown -------------------------------------------------------------------------------49 • 10.6 Replacing parts ---------------------------------------------------------------------------------49 • 10.7 First startup after shutdown -----------------------------------------------------------------50 • 10.8 Refrigeration system --------------------------------------------------------------------------50 • 10.9 Disassembling compressor -----------------------------------------------------------------50 • 10.10 Auxiliary electric heater ---------------------------------------------------------------------50 •...
Page 5 1 SAFETY PRECAUTIONS Symbols this symbol shows that this Observe the basic safety regulations before starting work appliance used a flammable and operation. refrigerant. If the refrigerant WARNING DANGER is leaked and exposed to an external ignition source, there is It indicates a hazard with a high level of risk which, if not a risk of fire.
Page 6 Information on servicing ⑨ Checks to the refrigerating equipment Where electrical components are being changed, they ① General shall be fit for the purpose and to the correct specification. CAUTION At all times the manufacturer’s maintenance and service guidelines shall be followed. If in doubt, consult the Servicing shall be performed only as recommended by manufacturer’s technical department for assistance.
Page 7 Detection of flammable refrigerants CAUTION Under no circumstances shall potential sources of ignition An inert gas, specifically, is dry oxygen free be used in the searching for or detection of refrigerant nitrogen(OFN). leaks. A halide torch (or any other detector using a naked The system shall be “flushed”...
Page 8 a) mechanical handling equipment is available, if required, The recovered refrigerant shall be processed according for handling refrigerant cylinders; to local legislation in the correct recovery cylinder, and b) all personal protective equipment is available and being the relevant waste transfer note arranged. Do not mix used correctly;...
Page 9 • Installation, commissioning, inspection, maintenance and CAUTION troubleshooting by qualified contractors and authorized Permissible tools: All tools for working in the safety installers. zone must be designed and explosion-protected Intended use also covers installation in accordance with the in accordance with the applicable standards and IP code.
Page 10 DANGER DANGER Hot surfaces and fluids can result in burns or scalding. Escaping refrigerant can lead to fires and explosions Cold surfaces may cause frostbite. that result in very serious injuries. • Prior to servicing or maintenance tasks, switch off and •...
Page 11 Installation Connecting cables DANGER General With short electrical cables, should there be leakage in Be sure to use only specified accessories and parts the refrigerant circuit, gaseous refrigerant may reach for installation. Failure to use specified parts may result in the inside of the building.
Page 12 Safety instructions for operating the What to do if the outdoor unit ices up system CAUTION A build-up of ice in the condensate pan and in the What to do if refrigerant leaks fan area of the outdoor unit can cause damage to the equipment.
Page 13 Disposal This equipment uses flammable refrigerants. The disposal of the equipment must comply with national regulations. Do not dispose this product as unsorted municipal waste. Collection of such waste separately for special treatment is necessary. Do not dispose of electrical appliances as unsorted municipal waste, and use separate collection facilities. Contact your local government for information regarding the collection systems available.
Page 14 2.3 Arrival and unboxing NOTE • After receiving the machine, please check the machine for transportation damage. If any damage is found, it should be reported to the transport company immediately in writing. • After receiving the machine, please check whether the model, specification and quantity of the equipment are consistent with the contract;...
Page 15 2.5 Main parts of the uint Table 2-2 NAME NAME Air outlet Condenser Top cover Water outlet Electric control box Air inlet Compressor Water intlet Evaporator wired controller (It can be placed indoors) Fig. 2-2 Main parts of 50/60/70kW 2.6 Opening the uint Cover 1 Cover 2 Cover 3...
Page 16 2.7 Operating range 1) The standard voltage of power supply is 380-415 V 3N~ 50 Hz, the minimum allowable voltage is 342 V, and the maximum voltage is 456 V. 2) To maintain better performance, please operate the unit under the following outdoor temperature: 50/60/70 kw 50/60/70 kw COOLING...
Page 17 NOTE • It is recommended to customize the centralized drainage module if operating under ambient temperature -15 °C. 2.8 Accesssories Table 2-3 Temperature Installation testing Water Installation manual Wired Unit components Transformer Temperature Ferrite core Tie wrap Manual of wired Controi Ier of total water Sensor...
Page 18 4 SELECTION OF INSTALLATION SITE 4.1 Installation site 1) Units can be installed on the ground or proper place on a roof, provided that sufficient 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.
Page 19 4.2 Requirements of arrangement space of the unit 1) To ensure adequate airflow entering the condenser, the influence of descending airflow 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 flowing 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 flow from disturbing the air entering the unit.
Page 20 4.3 Installation foundation (unit: mm) 4.3.1 Base structure Inlet and outlet pipe Electric Outdoor unit base structure design should take account of side control the following considerations: box side 1) A solid base prevents excess vibration and noise. Drainage Outdoor unit bases should be constructed on solid ground channel or on structures of sufficient strength to support the units’...
Page 21 4.5 Installation of device to prevent 4.5.1 Measures used to prevent problems caused by snow snow build-up and strong breeze 1) Measures to prevent build-up of snow When installing an air-cooled heat pump in a place with The base height should be as least the same as the heavy snow, it is necessary to take snow protection predicted snow depth in the local area.
Page 22 5 HYDRAYLIC INSTALLATION 5.1 Water system diagram...
Page 25 Water flow switch Gate valve Safety valve Drain valve Auto vent valve Soft joint Water pump Shut off valve Temperature sensor Solenoid three-way valve Water pressure meter Check valve Thermometer Y-type strainer Fig.5-1 Connection drawing of water system...
Page 26 e) The pipes and their ports must be independently NOTE supported but should not be supported on the unit. The ratio of the two - way valves on the terminal shall f) The pipes and their ports of the heat exchanger should be not exceed 50 percent.
Page 27 5.2.2 Connection mode of pipe The water inlet and outlet pipes are installed and connected as shown in the following figures. 50/60/70kW model uses hoop connection. For the specifications of the water pipes and screw thread, see the Table 8-6 below. Table 5-1 Model Pipe connection methods...
Page 28 5.2.3 Selection of buffer tank e. Buffer tank volume refers to the minimum water capacity The role of the buffer water tank: required to meet the normal operation of the unit: In cooling mode, it prevents frequent opening and stopping Vmin = M –...
Page 29 5.2.4 Minimum chilled water flow pumps, and no more than three units should be in operation at any given time. The minimum chilled water flow is shown in the table 5-3. If the head of a pump cannot meet the water pressure If the system flow is less than the minimum unit flow rate, requirements at the most unfavorable points, tandem the evaporator flow can be recirculated, as shown in the...
Page 30 Water quality standards applicable to the unit Table 5-3 test item units permissible value test item units permissible value pH(25°C) 7.5~8.0 Dissolved Oxygenturbidity mg/L not detectable turbidity ≤3 Organophosphorus (P) mg/L not detectable Conductivity(25°C) μS/cm ≤200 Sulfide ion mg/L ≤50 Chloride ion mg/L ≤50...
Page 31 5.2.10 Installation of single or multiple b. Multiple water pumps Each unit is required to install a one-way valve when water pumps multiple pumps are installed, refer to figure as follow. 1) DIP switch unit unit unit The choice of DIP switch see Table 7-1 in detail when single (n-1#) (1#) (0#)
Page 32 3) Electric auxiliary thermal selection The figure below demonstrates that when the design point and balance point are the same, the unit's total heat production is equal to the building's heat load. In this case, electric auxiliary heat is unnecessary. Heating Capacity (kW) The heating capacity of the unit Design point (balance point)
Page 33 6 ELECTRICAL INSTALLATION 6.1 Outdoor unit PCBs 1) Label descriptions are given in Table 6-1,6-2. Fig. 6-1 Main board of 50/60/70KW Table 6-1 Port Code Content Voltage Direction CN32 Main board power supply 230 V AC Input CN99 Expansion board power supply 230 V AC Output CN68...
Page 34 Port Code Content Voltage Direction CN33 Conmunicate with slave board 12 V/3.3 V DC Input/Output CN41 System low pressure sensor 5 V DC Input CN40 System high pressure sensor 5 V DC Input CN45 Probe of outlet water side antifreeze temp 3.3 V DC Input CN37...
Page 35 Fig. 6-2 expansion board of 50/60/70KW Table 6-2 Port Code Content Voltage Direction CN140 Expansion board power supply 230 V AC Input CN115 Electric heater of water flow switch 230 V AC Output CN125 Three-way valve(hot-water valve) 230 V AC Output CN123 Port controlled by the contactor of the constant speed water pump...
Page 36 6.2 Electric wiring 6.2.1 Electric wiring CAUTION • The air-conditioner should apply special power supply, whose voltage should conform to rated voltage. • Wiring construction must be conducted by the professional technicians according to the labeling on the circuit diagram. •...
Page 37 c. It is advisable to use 3-core shielded cables for unit to d. Power wiring must be entrusted to professionals with minimize interference. Do not use the unshielded multicore electrician qualification. conductor cables. Fig. 6-5 Electrical wiring precaution (c) Fig. 6-6 Electrical wiring precaution (d) 6.2.3 Operating current and wire diameter 1) Select the wire diameter ( minimum value) individually for each unit based on Table 6-3 and Table 6-4.
Page 38 6.2.4 Connection with Power Supply 6.2.4.1 Wiring of main power supply CAUTION • Use a round crimp-style terminal for connection to the power supply terminal board. • Leakage protection switch must be installed. FUSE Power supply 7 5 3 1 A1 L1 L2 L3 N load Type 1...
Page 39 6.2.4.3 Overall If multiple units are connected in cascade, the unit address should be set on the DIP switch ENC1. With 0-F being valid, 0/1 indicates the master unit and 2-F indicate slave units. Ferrite core Ferrite core CN46 CN46 Ferrite core CN46 3-way...
Page 40 If multiple units are connected in cascade, the unit address should be set on the DIP switch ENC1. With 0-F being valid, 0/1 indicates the master unit and 2-F indicate slave units. Ferrite core Ferrite core CN46 CN46 Ferrite core CN46 3-way valve...
Page 41 NOTE When the power cord is parallel to the signal wire, make sure that they are enclosed in respective conduits and are kept a reasonable wire spacing. (Distance between the power cord and signal wire: 300 mm if below 10 A, and 500 mm if below 50 CAUTION In the case of multiple units connection, the HMI can be parralled with in the same system.
Page 42 Wrong Power distribution transformer Manual Lightning switch Fuses arrester Grounding wire Power 380-415 V 3N~ 50 Hz Surge Unit current Grounding 1 Grounding 2 Grounding 3 Fig. 6-12 Requirements of power supply wiring NOTE Do not connect the grounding wire of the lightning arrester to the unit shell. The grounding wire of the lightning arrester and the power supply grounding wire must be configured separately.
Page 43 6.2.4.6 Function of terminals 6.2.4.7 Wiring of “ON/OFF” weak electric As shown in the figure below, For 50/60/70kW, the unit port communication signal wire is connected to the terminal The remote function of “ON/OFF” must be set by DIP block XT2 at XYE inside the electric control box. switch.
Page 44 6.2.4.9 Wiring of “TEMP-SWITCH” weak 6.2.4.11 Control system and installation electric port precautions The function of “TEMP-SWITCH” must be set by wired a. Use only shielded wires as control wires. Any other type controller for two setting water temperature. For cooling and of wires may produce a signal interference that will cause heating mode.
Page 45 NOTE When the customer is wiring, first cut off the zip ties at the customer's wiring port below the electrical control box, and then proceed with the wiring. After completion, use zip ties to fix and tighten the wire sealing ring (zip ties are included in the attachment) 7 CONFIGURATION 7.1 Initial start-up at low outdoor ambient temperatures...
Page 46 7.3 DIP switch instructions DIP switch, buttons and digital display positions of uints. ENC1 DSP1 DSP2 Fig. 7-1 Display positions Table 7-1 ENC1 Meaning Notes Each unit is composed of two independent refrigerant circulation Host system A address dial code systems, and each refrigerant circulation to 0#;...
Page 47 When all units controlled by the same Single unit this dial code should wired controller share the same main be off; water pump, this dial code should be It is necessary to select S1-3 in OFF (factory default). the parallel system controlled by S1-3 the same line controller,and the multi pump &...
Page 48 8 FINAL CHECK 8.1 Check item table after installation Table 8-1 Checking item Description Units are fixed mounting on level base. Ventilating space for heat exchanger at the air side is meeting for requirement Maintenance space is meeting for requirement. Whether installing site is meet for requirements Noise and vibration is meeting for requirement.
Page 49 9.1 Checklist before starting Table 9-1 Acceptance method and specification Items Description requirements Whether the appearance integrity of the No scratches, fins inverted, etc unit meets the requirements. Check whether the attached accessories Please refer to the appendix are complete. Whether the integrity of the internal systems and components of the unit No pipe bump, loose parts and leaks...
Page 50 Whether the highest point of the water Check the location and number of system and the high point of the exhaust valves at the branch and the branch emptying measures meet the highest point. requirements. Whether the low point of the water system and the low point drainage Check that branch and nadir drain measures of the branch meet the...
Page 51 Code Content Note The capability selection is inconsistent with the actual model. Kaysun model mismatch fault Power on again after setting correctly Phase sequence error of main control board check Recovered upon failure recovery Communication failure between master and the HMI or...
Page 52 Code Content Note DIP switch inconsistency of multiple water pumps Recovered by power off 1L10 Overcurrent protection 1L11 Transient phase current overcurrent protection Overcurrent fault 1L12 Phase current overcurrent lasts 30s protectionr 1L20 Module over temperature protection Over temperature fault 1L31 Low bus voltage error 1L32...
Page 53 10.2 Digital display of main board 10.3 Care and maintenance The data display area is divided into Up area and Down 1) Maintenance period area, with two groups of two-digit half 7-segment digital It's recommended that before cooling in summer and display, respectively.
Page 54 10.7 First startup after shutdown 10.9 Disassembling compressor The folowing preparations should be made for re-startup of Follow the following procedures if compressor needs to be unit after long-time shutdown: disassembled: 1) Thoroughly check and clean unit. 1) Cut off the power supply of unit. 2) Clean water pipe system.
Page 55 10.12 Water flow switch antifreezing 10.14 Y-type strainer When the unit is shut down and powered off at a lower The Y-type strainer must be installed. ambient temperature, if it is placed in an outdoor 1) Function of Y-type strainer environmentwith a temperature below 2 °C, the water flow Used to strainer impurities and particles from water.
Page 56 10.15 Maintenance checklist By user Table 10-4 Items Recommended frequency Clean the surrounding of the outdoor unit Once a month By installer Table 10-5 Items Recommended frequency General Check if all the parts are in the proper position Once a year Water loop Check if the water pressure is sufficient Once a year...
Page 57 RECORD TABLE OF TEST RUN AND MAINTENANCE Table 11-2 Model: Code labeled on the unit: Customer name and address: Date: 1. Check temperature of chilled water or hot water Inlet ( Outlet ( 2. Check air temperature of air-side heat exchanger: Inlet ( Outlet ( 3.
Page 58 11 TECHNICAL DATA Table 11-1 3-phase 3-phase 3-phase Model 50 kW 60 kW 70 kW Nominal capacity Refer to the Technical Data Dimensions H×W×D 2 000 mm x 960 mm x 1 880 mm Packing dimensions H×W×D 2 850 mm x 1 030 mm x 2 050 mm Weight Net weight 560 kg...

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