Samsung AE RXEDGG Series Installation Manual
Samsung AE RXEDGG Series Installation Manual

Samsung AE RXEDGG Series Installation Manual

Air to water heat pump
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Air to Water Heat Pump
Installation manual
Outdoor Unit AE***RXEDEG / AE***RXEDGG
• Thank you for purchasing this Samsung Product.
• Before operating this unit, please read this installation manual carefully and retain it for future
reference.

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Summary of Contents for Samsung AE RXEDGG Series

  • Page 1 Air to Water Heat Pump Installation manual Outdoor Unit AE***RXEDEG / AE***RXEDGG • Thank you for purchasing this Samsung Product. • Before operating this unit, please read this installation manual carefully and retain it for future reference.
  • Page 2: Table Of Contents

    Contents PREPARATION Safety precautions ..................... . . 3 Product specifications .
  • Page 3: Safety Precautions

    In order to prevent electric shocks, fires or injuries, always stop the unit, disable the protection switch and contact SAMSUNG’s technical support if the unit produces smoke, if the power cable is hot or damaged or if the unit is very noisy.
  • Page 4 - When extension wiring is required due to power line damage, refer to "How to connect your extended power cables" in the installation manual. Do not use means to accelerate the defrost operation or to clean, other than those recommended by Samsung. Do not pierce or burn.
  • Page 5: Product Specifications

    Product specifications Product line-up Line-up Remark Chassis Heat pump units Model name AE090RXEDEG AE090RXEDGG Accessories Keep supplied accessories until the installation is finished. Hand the installation manual over to the customer after finishing installation. The quantities are indicated in parentheses. The base heater inside outdoor unit works in accordance with the weather of outdoor.
  • Page 6: Outdoor Unit Specification

    Outdoor unit specification Type Unit AE090RXEDEG Power source 1P, 220~240 VAC 50 Hz Weight (net/gross) 73.0/81.5 Size (WxHxD, net) 940 x 998 x 330 Noise 49/49 (Heat/Cool, Pressure) Operating Range (Heat/Cool) °C -25~35/10~46 Refrigerant 1,400 (R-32) Type Unit AE090RXEDGG Power source 3P, 380~415 VAC 50 Hz Weight (net/gross) 72.0/80.5 Size (WxHxD, net)
  • Page 7: Main Components

    Main components Dimensions(Overall) Heat pump for R-32. 1-Fan chassis AE090RXED** (Unit : mm) ENGLISH-7...
  • Page 8: Installing The Unit

    7. Check the condition of the product periodically. - Check the installation site every 3 months and perform anti-corrosion treatment such as R-Pro supplied by SAMSUNG (Code : MOK-220SA) or commercial water repellent grease and wax, etc., based on the product condition.
  • Page 9 Outdoor Protection wall unit Outdoor unit Sea breeze Sea breeze Protection wall should be constructed with a solid material that can block the sea breeze and the height and width of the wall should be 1.5 times larger than the size of the outdoor unit. (You must secure more than 700mm of space between the protection wall and the outdoor unit for air circulation.) •...
  • Page 10 Installing the unit Note that the refrigerant has no odour. The units are not explosion proof so they must be installed with no risk of explosion. This product contains fluorinated gases that contribute to global greenhouse effect. Accordingly, do not vent gases into the atmosphere.
  • Page 11 Safe parts are the ones with which the worker can work in a flammable atmosphere. Other parts may result in ignition due to leakage. Replace components only with parts specified by Samsung. Other parts may result in the ignition of refrigerant in the atmosphere from a leak.
  • Page 12 Installing the unit Recovery When removing refrigerant from the system for servicing or decommissioning, it is recommended to remove the entire refrigerant. When transferring refrigerant into cylinders, make sure that only the refrigerant recovery cylinders are used. All cylinders used for the recovered refrigerant shall be labelled. Cylinders shall be equipped with pressure relief valves and shut-off valves in a proper order.
  • Page 13 Space requirements for outdoor unit When installing 1 outdoor unit (Unit : mm) ❋ When the air outlet is opposite the wall ❋ When the air outlet is towards the wall 2,000 or more 300 or more 600 or more ❋...
  • Page 14 Installing the unit When installing more than 1 outdoor unit (Unit : mm) ❋ When the air outlet is towards the wall 300 or more 600 or more 600 or more 600 or more ❋ When 3 sides of the outdoor unit are blocked by the wall 300 or more 300 or more 600 or more...
  • Page 15 Outdoor unit installation The outdoor unit must be installed on a rigid and stable base to avoid any increase in the noise level and vibration, particularly if the outdoor unit is to be installed in a location exposed to strong winds or at a height, the unit must be fixed to an appropriate support(wall or ground).
  • Page 16 Installing the unit Drain work • General area While Air-Water Heat Pump is running in heating mode, Ice can begin accumulate on the surface of condenser. To prevent Ice from growing, system go into De-frost mode and then Ice on the surface changes to water. Dropped water from condenser shall be eliminated through running drain holes to prevent Ice growing at low temperature.
  • Page 17 • Heavy snow fall area (Natural drainage) When using the air conditioner in the heating mode, ice may accumulate. During de-icing (defrost operation), the condensed water must be drained off safely. For the air conditioner operates well, you must follow the instructions below. - Make space more than 80mm between the bottom of the outdoor unit and the ground for installation.
  • Page 18 Installing the unit Selecting a location in cold climates • When operating the unit in a low outdoor ambient temperature, be sure to follow the instructions described below. NOTE To prevent exposure to wind, install the unit with its suction side facing the wall. Never install the unit at a site where the suction side may be exposed directly to wind.
  • Page 19: Electrical Connections

    Electrical connections Overall system configuration Connection of the power cable (1 phase 2 wires) Distribution board Outdoor unit Hydro unit 1 phase 1 phase 2 wires 2 wires 220- 220- 240 V ~ 240 V ~ MCCB+ ELCB Earth Earth Communication cable •...
  • Page 20: Connecting The Cable

    Connecting the cable Power cable specifications 1 phase Rated Voltage Range Outdoor unit Volts Min. Circuit Amps. Max. Fuse Amps. AE090RXEDEG 220-240 22 A 27.5 A The power cable is not supplied with Air to Water Heat pump. Supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord (Code designation IEC:60245 IEC 57 / CENELEC:H05RN-F) This Equipment complies with IEC 61000-3-12.
  • Page 21 Specification of connection cables (common in use) Power supply Max/Min(V) Communation cable 1Φ, 220-240 V, 50 Hz ±10 % 0.75~1.5 mm², 2 wires 3Φ, 380-415 V, 50 Hz For Power Cable, use the grade H07RN-F or H05RN-F materials. Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord.
  • Page 22 Connecting the cable Wiring diagram of power cable When using ELB for 1 phase and 3 phase 1 phase Cable tie Power Supply Electrical component box Cable clamp MCCB Main power cable Communication cable MCCB 3 phase 1(L) 2(N) L1(R) L2(S) L3(T) NOT USE...
  • Page 23 1 phase 2 wires 1 phase Circuit breaker Earth cable (U-Trap) Power cable Communication cable between Hydro Communication unit and outdoor units cable Earth Hydro unit • When removing the outer cover of the power cable, use the appropriate tools to prevent damaging the inner cover.
  • Page 24 Connecting the cable 3 phase 4 wires 3 phase Circuit breaker 1(L) 2(N) Earth cable (U-Trap) NOT USE Power cable Communication cable between Hydro and outdoor units Communication Earth cable Hydro unit • When removing the outer cover of the power cable, use the appropriate tools to prevent damaging the inner cover.
  • Page 25 Connecting the power terminal Connect the cables to the terminal board using the compressed ring terminal. Connect the rated cables only. Connect using a wrench which is able to apply the rated torque to the screws. If the terminal is loose, fire may occur caused by arc. If the terminal is connected too firmly, the terminal may be damaged.
  • Page 26 Connecting the cable How to connect your extended power cables 1. Prepare the following tools. Tools Crimping pliers Connection sleeve (mm) Insulation tape Contraction tube (mm) Spec MH-14 20xØ6.5(HxOD) Width 19mm 70xØ8.0(LxOD) Shape 2. As shown in the figure, peel off the shields from the rubber and wire of the Power cable power cable.
  • Page 27 5. Wrap it with the insulation tape twice or more and position your contraction tube in the middle of the insulation tape. Three or more layers of insulation are required. Method 1 Method 2 Insulation tape Insulation tape 40 mm 35 mm 6.
  • Page 28: Refrigerant Piping Work

    Refrigerant piping work Install the refrigerant pipe within the maximum allowable length, difference in height and length of after the first branch pipe. The pressure of the R-32 is high. Use only rated refrigerant pipe and follow the installation method. Use clean refrigerant pipe Where there is no harmful ion, oxide, dust, iron content or moisture.
  • Page 29 Because your air conditioner contains R-32 refrigerant, make sure that it is installed, operated, and stored it in a room whose floor area is larger than the minimum required floor area specified in the following table: Minimum required room area (A,m²) m (kg) Ceiling-mounted Wall-mounted...
  • Page 30 Refrigerant piping work Selecting the refrigerant pipe Outer Minimum Liquid side Gas side Outdoor unit capacity (kW) diameter thickness Temper grade (mm) (mm) (mm) (mm) AE090RXEDEG ø6.35 ø15.88 ø 6.35 AE090RXEDGG ø6.35 ø15.88 ø 9.52 C1220T-0 ø12.70 Install refrigerant pipe depending on the outdoor unit ø15.88 capacity.
  • Page 31 3. To prevent a gas leak, remove all burrs at the cut edge of the pipe with a reamer. Burr Pipe • Face the pipe down while removing the burrs to make sure that burrs do not get in to the pipe. CAUTION Pipe cutter 4.
  • Page 32 Refrigerant piping work • Tighten the nuts to the specified torques. If overtightened, the nuts could be broken so refrigerant may leak. CAUTION • Protect or enclose refrigerant tubing to avoid mechanical damage. • Keep the piping length at a minimum to minimize the additional refrigerant charge due to piping extension. •...
  • Page 33 Selecting the insulator of the refrigerant pipe According to pipes size, insulate pipes on gas and liquid side by selecting appropriate insulations. Standard condition is under a temperature of 30 °C and a humidity of 85 %. If the units are installed in extreme weather conditions, select the insulator by table below.
  • Page 34 Refrigerant piping work Insulating the refrigerant pipe Be sure to insulate the refrigerant pipe, joints and connections with class 'o' material. If you insulate the pipes, the condensed water does not fall from the pipes and the capacity of the Air to Water Heat Pump is improved.
  • Page 35 Performing the refrigerant gas leak test Use a manifold gauge for R-32 to prevent the inflow of foreign substances and resist against the internal pressure. Pressure test with dry oxygen free nitrogen only. Apply pressure to the liquid side pipe and gas side If you apply pressure more than 4.6MPa, the pipes may be pipe with Nitrogen gas of 4.6 MPa (46.9 kgf/cm²) damaged.
  • Page 36 Refrigerant piping work Manifold gauge Vacuum drying Use the tools for R-32 only to prevent the inflow of foreign substances and resist against the internal pressure. Low pressure side High Use the vacuum pump with the check valve to prevent pump oil from flowing pressure backward while the vacuum pump is stopped suddenly.
  • Page 37 Selecting additional refrigerant charge ❋ Basic charge The basic amount of refrigerant for outdoor unit charged in factory is: Outdoor unit (Series) Factory charge(kg) AE090RXEDEG AE090RXEDGG ❋ Charge additional refrigerant according to the total length of the pipe. Each factory charging values are determined according to basic pipe length 15 m. When extra pipe length are required, additional charging works must be implemented as describes below.
  • Page 38 Refrigerant piping work Charging refrigerant Measure the quantity of the refrigerant according to the length of the liquid side pipe. Add quantity of the refrigerant using a scale. Important information: regulation regarding the refrigerant used This product contains fluorinated greenhouse gases. Do not vent gases into the atmosphere. •...
  • Page 39 Adding refrigerant Measure the quantity of the refrigerant depending on the length of the liquid side pipe. Add fixed quantity of the refrigerant using a scale. ❋ Adding refrigerants in cooling conditions Manifold gauge Suction charging Outdoor unit High Low pressure pressure side side...
  • Page 40 Refrigerant piping work Adding the heating refrigerant 1) When recharging the heating refrigerant, connect the low pressure pipe from manifold gage to the suction charging port. 2) Press the function key for adding refrigerant in heating mode. 3) After 20 minutes of operation, open the valve on suction charge port. 4) Open the valve for low pressure side on the manifold gage to recharge the remaining refrigerant.
  • Page 41: Checking Correct Grounding

    Checking correct grounding If the power distribution circuit does not have a grounding or the grounding does not comply with specifications, an grounding electrode must be installed. The corresponding accessories are not supplied with the Air to Water Heat pump. 1.
  • Page 42 Setting the option switch and function of the keys 3. Press K1 or K2 on the outdoor unit PCB to run the test mode and stop. KEY operation 7-segment display " " " " "BLANK" "BLANK" Press once : Heating test run "...
  • Page 43 Display Number of Display contents Units press Segment 1 Segment 2 Segment 3 Segment 4 Protective control Frequency status 0 : No protective control 0 : Normal 1 : Freezing 0 : Cooling 1 : Hold Protective control 2 : Defrosting 1 : Heating 2 : Down 3 : Over-load...
  • Page 44 Setting the option switch and function of the keys Setting the option 1. Press and hold K2 to enter the option setting. (Only available when the operation is stopped) - If you enter the option setting, display will show the following. - Seg1 and Seg2 will display the number for selected option.
  • Page 45 4. After selecting the function for options, press and hold the K2 switch for 2 seconds. Edited value of the option will be saved when entire segments blinks and tracking mode begins. • Edited option will not be saved if you do not end the option setting as explained in above instruction. CAUTION ❋...
  • Page 46: Pump Down Procedure

    Pump down procedure Objective of pump down For product repairs and indoor unit relocation, pump down operation must be done recover the refrigerant into the outdoor unit. Cautions when performing pump down Product limits amount of refrigerant in the outdoor unit due to slim design. Collect the majority of the refrigerant in the system in an empty refrigerant vessel and perform a pump down operation with remaining refrigerant.
  • Page 47 Collecting refrigerant in refrigerant vessel before pump down operation If the amount of refrigerant in the system exceeded the maximum allowable limit, reduce the amount of the refrigerant by following the below instruction before pump down operation. 1. Prepare an exclusive rechargeable refrigerant vessel, scale and a manifold gauge. 2.
  • Page 48: Completing The Installation

    Completing the installation Check the following after completing the installation. • Check the external surface and the inside of the outdoor unit. • Is there any possibility of short circuit? Outdoor unit • Is the place well-ventilated and ensures space for service? •...
  • Page 49: Final Checks And Trial Operation

    Final checks and trial operation Inspection before test operation 1. Check the power cable and communication cable of the indoor and outdoor unit. 2. Check the power supply between the outdoor unit and the cabinet panel. - Check the 220-240 V~ / 380-415 V~ with the voltage meter. 3.
  • Page 50: Troubleshooting

    Troubleshooting • Incorrect handling of thermostat, safety valve or other valves may lead to tank rupture. When servicing the unit follow instructions carefully: WARNING • Always turn off main power supply when water supply is being shut off. • Test the free operation of the safety valve regularly by opening the valve ensuring the water flows freely. •...
  • Page 51 Display Explanation Error Source Discharge of a compressor is overheated Outdoor Unit OUTDOOR UNIT EEV operation error Outdoor Unit Power source line missing error (only for 3-phase model) Outdoor Unit Heating operation blocked (outdoor temperature over 35 °C) Outdoor Unit Cooling operation blocked (outdoor temperature under 9 °C) Outdoor Unit OUTDOOR UNIT fan1 error Outdoor Unit...
  • Page 52 Error codes Display Explanation Error Source Water inlet (PHE) temperature sensor error(open/short) Hydro Unit Water outlet (PHE) temperature sensor error(open/short) Hydro Unit Water outlet (backup heater) temperature sensor error Hydro Unit DHW tank temperature sensor error Hydro Unit Refrigerant gas inlet (PHE) temperature sensor (open/short) Outdoor Unit Low flow rate error •...

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