Samsung RD MHXE Series Installation Manual

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Air Conditioner

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RD✴✴✴MHXE Series

RD✴✴✴MHXG Series

AM✴✴✴XMDEH Series

AM✴✴✴XMDGH Series

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Summary of Contents for Samsung RD MHXE Series

Page 1 RD✴✴✴MHXE Series RD✴✴✴MHXG Series AM✴✴✴XMDEH Series AM✴✴✴XMDGH Series Air Conditioner installation manual imagine the possibilities Thank you for purchasing this Samsung product.
Page 2: Table Of Contents
Trial operation ......................51 For information on Samsung’s environmental commitments and product specific regulatory obligations e.g. REACH...
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 Safety precautions Installing the unit IMPORTANT: When installing the unit, always remember to connect ﬁrst the refrigerant tubes, then the electrical lines. Always disassemble the electric lines before the refrigerant tubes. Upon receipt, inspect the product to verify that it has not been damaged during transport. If the product appears damaged, DO NOT INSTALL it and immediately report the damage to the carrier or retailer (if the installer or the authorized technician has collected the material from the retailer.) After completing the installation, always carry out a functional test and provide the instructions on how to operate the air...
Page 5: Outdoor Unit Type
Outdoor unit type Shape AM040✴XMDEH 1phase AM050✴XMDEH AM060✴XMDEH Model Cooling and Heating AM040✴XMDGH 3phase AM050✴XMDGH AM060✴XMDGH Installation combination You must install the indoor unit that uses R-410A only. If sum capacity of the combined indoor units exceeds the capacity of an outdoor unit, the capacity of each indoor unit is reduced below the rated capacity.
Page 6: Deciding To Where To Install The Outdoor Unit
Deciding to where to install the outdoor unit Decide the installation location based on the following condition and obtain the user’s approval. Avoid a place that may disturb your neighbor. Noise may occur from the outdoor unit and the discharged air may run into the neighborhood.
Page 7 Install the indoor unit away from any interfering sources such as radio, computer, stereo equipment and also select a place where the electrical wiring work and an indoor unit installation are possible. CAUTION - Especially keep the unit at least 3m away from the electrical equipment in an area where weak electromagnetic waves are generated and install the protection tube to protect the main power cable and communication cable.
Page 8: Installation Location
Installation location Make a space for ventilation and service as seen in the picture. When multiple outdoor units are combined for installation, allow enough space for ventilation against a wall. If the ventilation space is not allowed, product malfunction may occur. The side with logo is the front side of the outdoor unit.
Page 9 When installing more than 1 outdoor unit ❋ When 3 sides of the outdoor unit are blocked by the wall (Unit : mm) 300 or more 600 or more 600 or more 600 or more ❋ When the walls are blocking front and the rear of the outdoor units 600 or more 600 or more ❋...
Page 10: Installation And Base Ground Work For An Outdoor Unit
Installation location Moving the Outdoor Unit Select the moving route in advance. Be sure that moving route is safe from the weight of the outdoor unit. Do not slant the product more than 30˚ when carrying it. (Do not lay the product down sideways.) The surface of the heat exchanger is sharp.
Page 11 Base ground work Install the outdoor unit horizontally on the ground 150mm or more Drain hole 150mm or more < When installing on the ground > < When installing on the roof > The outdoor unit should be supported within the range of measurement below for base ground work. (Unit : mm) Anchor bolt position When the outdoor unit needs to be supported, ﬁx it with wire as shown in the picture.
Page 12: Refrigerant Pipe Installation
Refrigerant pipe installation Refrigerant pipe work The length of refrigerant pipe should be as short as possible and the height diﬀerence between an indoor unit and outdoor unit should be minimized. The piping length between the outdoor unit and the indoor unit may not exceed the allowable piping length, height diﬀerence, and the allowable length after branching is done.
Page 13 Selecting refrigerant pipe Temper grade and minimum thickness of the refrigerant pipe Outer diameter [mm] Minimum thickness [mm] Temper grade ø6.35 ø9.52 Annealed ø12.70 ø15.88 ø19.05 Drawn ø22.23 For pipes larger than Ø 19.05, drawn type (C1220T-1/2H or C1220T-H) type copper pipe must be used. If a annealed type (C1220T-O) copper pipe is used, pipe may break due to its low pressure resistance and cause CAUTION personal injury.
Page 14 Refrigerant pipe installation Selecting Y-joint Select the ﬁrst Y-joint according to main pipe size of each outdoor unit capacity. Select the other Y-joints according to the total indoor unit capacity under the selected Y-joint. Selecting the ﬁrst Y-joint Other Y-joints Total indoor unit capacity Outdoor unit capacity (HP) Y-joint model...
Page 15 Direction of the pipe when brazing Brazing the pipe should be done with the pipe headed downward or horizontally. Avoid brazing with the pipe headed upward. The test liquid used to detect leakage after pipe brazing should be the designated one. The use of the test liquid containing sulfur element may cause pipe corrosion.
Page 16 Refrigerant pipe installation Tightening ﬂare connection area Check that the ﬂaring is properly made. Align the center of the piping and suﬃciently tighten the ﬂare nut with ﬁngers. Finally, tighten the ﬂare nut with torque wrench until the wrench clicks. When tightening the ﬂare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.
Page 17 Pipe installation for an outdoor unit Pipe direction The refrigerant pipe can be pulled out from front, ﬂank, rear, and bottom side, so install it depending on the installation site condition. Caution for using knock-out hole Make sure not to damage the exterior of the outdoor unit. CAUTION Remove all burrs at the edge of the knock-out hole and apply the paints it to prevent rust.
Page 18 Refrigerant pipe installation Refrigerant pipe installation examples Using a Y-joint Using a Y-joint/EEV kit Using a header joint Using a header joint/ Y-joint Allowable length of the refrigerant pipe and the installation examples Connection by Y-joint Outdoor unit Connection by Y-joint/EEV kit Outdoor unit...
Page 19 Classiﬁcation Y-joint connection Y-joint / EEV kit connection The distance between the outdoor unit and the farthest indoor unit ≤ 150m Actual Length Ex) 8 indoor units Ex) 6 indoor units a+b+c+d+e+f+g+p≤ 150m a+b+c+d+j ≤ 150m Maximum Outdoor unit allowable Equivalent ~ Indoor The distance between an outdoor unit and the farthest indoor unit ≤...
Page 20 Refrigerant pipe installation Connection by header joint Outdoor unit Header joint Indoor unit Connection by Y-joint/header joint Outdoor unit Header joint Y-joint Indoor unit Classiﬁcation Header joint connection Y-joint / header joint connection The distance between an outdoor unit and the farthest indoor unit ≤ 150m Actual Length Ex) 8 indoor units Ex) 8 indoor units...
Page 21 Refrigerant pipe work Refrigerant Y-joint installation Install the Y-joint ‘horizontally’ or ‘vertically’ . Install horizontally Install vertically When using A~J type of Y-joint, connect the Y-joint to the pipe with the provided reducer. When using K~Z type of Y-joint, connect the Y-joint to the pipe by cutting the inlet of the Y-joint or provided NOTE reducer properly.
Page 22 Refrigerant pipe installation Correct use Incorrect use (The insertion depth of connecting pipe) (The insertion depth of connecting pipe) Basic speciﬁcation Connecting pipe Connecting pipe When cutting connection part Connecting pipe Connecting pipe When inserting connecting pipe into the Y-joint, please comply with the installation regulation. CAUTION Refrigerant header joint installation Select the reducer ﬁtted on the diameter of the pipe.
Page 23 When using A~J type of header joint, connect the header joint to the pipe with provided reducer. When using K~Z type of header joint, connect the header joint to the pipe by cutting the provided reducer CAUTION properly. Connect the header joint in order respecting the number of the indoor unit. Connect the indoor unit as the highest capacity comes ﬁrst.
Page 24 Refrigerant pipe installation Performing air tightening test Use tools for R-410A only to prevent the inﬂow of foreign substances and to resist the internal pressure. Use dry Nitrogen gas to do an airtight test as below. Apply pressure to the liquid side pipe, gas If you apply pressure more than 4.1MPa (gauge pressure), the pipes may side pipe with Nitrogen gas of 4.1MPa (gauge be damaged.
Page 25 Vacuuming a pipe and an indoor unit Use the tools for R-410A only to prevent the inﬂow of foreign substances and resist against the internal pressure. Use the vacuum pump with the check valve to prevent pump oil from ﬂowing backward while the vacuum pump is stopped suddenly.
Page 26 Refrigerant pipe installation Selecting additional refrigerant charging Basic refrigerant The basic amount of additional refrigerant charged at a factory Model Refrigerant Factory charge(kg) AM040✴XMDEH AM050✴XMDEH AM060✴XMDEH R-410A AM040✴XMDGH AM050✴XMDGH AM060✴XMDGH Charging additional refrigerant The amount of refrigerant charging for pipe + The amount of additional refrigerant charging = the amount of refrigerant correction charging for an indoor unit.
Page 27 2. The amount of additional refrigerant for each indoor unit (Unit : kg) Capacity (kW) 1.5 1.7 2.2 2.8 3.6 4.5 5.6 7.1 8.2 11.2 12.8 14 Model Slim 1way cassette (JSF) 0.25 0.25 0.25 0.32 0.32 (AM✴✴✴FN1DEH✴ / AM✴✴✴JN1DEH✴) Interior 1way cassette (AM✴✴✴HN1DEH✴) 0.15 0.15 2way cassette (AM✴✴✴FN2DEH✴)
Page 28 Refrigerant pipe installation Be sure to plug the rest of drain holes not connected with drain plugs using drain caps. Drain cap Drain plug Insulating refrigerant pipe or Y-joint You must check if there is a gas leak before completing all the installation process. After you check that the gas does not leak, you must insulate the pipe and hose.
Page 29 Insulating refrigerant pipe You must insulate refrigerant pipe, Y-joint, header joint, and pipe connection area. If you insulate the pipes, the condensed water does not fall from the pipes. Check if there are any insulation cracks on the bent pipe. Clamp Insulation Insulation...
Page 30 Refrigerant pipe installation Insulating the header joint Fasten the header joint using a cable tie and cover the connected part. Insulation Insulate the header joint and the brazing part and wrap the connected part with an adhesive insulation tape to prevent dew formation. Adhesive insulation tape Insulation after brazing a stopper Insulation for the...
Page 31: Wiring Work
Wiring work Wiring work should be performed in accordance with related laws such as ‘Technical speciﬁcation on electric installation’ , ‘Wiring regulations’ or ‘Installation manual’ . Copper cable should be used for wiring work and all the wires or parts should be rated products. Wiring work should be performed by a company certiﬁed by an electric power company.
Page 32 Wiring work Overall System Conﬁguration Connection of the power cable (1 phase 2 wires) Distribution board Outdoor unit Indoor unit 1 phase 1 phase 2 wires 2 wires 220V-240V~ 220V-240~ ELCB MCCB + ELCB MCCB + 220V Earth Communication cable Earth Wired remote controller...
Page 33 Connection of the power cable (3 phase 4 wires) Distribution board Outdoor unit Indoor unit 1 phase 3 phase 2 wires 4 wires 220V-240V~ 380V~ ELCB MCCB + ELCB MCCB + 220V Earth Communication cable Earth Wired remote controller Connection of the power cable (3 phase 4 wires using EEV kit) Distribution board Outdoor unit Indoor unit...
Page 34 Wiring work Speciﬁcation for circuit breaker and power supply cord Power supply cord is not supplied with air conditioner. Select the power supply cord in accordance with relevant local and national regulations. Wire size must comply with the applicable local and national code. The appliance shall be provided with a certiﬁed power supply cord and interconnection cord complying with the national regulations of the countries in which the appliance is to be sold.
Page 35 Selecting compressed ring terminal Select a compressed ring terminal of a connecting power cable based on a nominal dimensions for cable. Cover a compressed ring terminal and a connector part of the power cable and then connect it. Silver solder Nominal dimensions for cable (mm Nominal dimensions for screw (mm) Standard dimension (mm)
Page 36 Wiring work Installing grounding wire Grounding must be done by a qualiﬁed installer for your safety. Use the grounding wire by referring to the speciﬁcation of the electric cable of the outdoor unit. Grounding the power cable The standard of grounding may vary according to the rated voltage and installation place of the air conditioner. Ground the power cable according to the following.
Page 37: Grounding Work
Grounding work If the power distribution circuit does not have a grounding or the grounding does not comply with speciﬁcations, a ground rod must be installed. The corresponding accessories are not supplied with the air conditioner. 1. Select a grounding rod that complies with the speciﬁcations given in the illustration. Copper wire Carbon rod Compressed ring terminal (Terminal M4)
Page 38: Setting Indoor Unit Option Switch And Key Function
Setting indoor unit option switch and key function PBA shape AM✴✴✴✴XMD✴H Series FLOW SWITCH External Con S/W for setting number of connecting indoor units DIP S/W 7-SEGMENT (K5~K16) (DISPLAY) Terminal blocks (R1, R2) for connection with the Upper Controller(DMS, Touch, On/Oﬀ Controller, etc) Do not connect wires to these terminal blocks...
Page 39 Setting the number of connecting indoor units Ex : When you connect 3 indoor units, set SW02 to 3 AM✴✴✴✴XMD✴H Series SW01 SW02 Unit digit Unit digit S/W function AM✴✴✴✴XMD✴H Series Heating KEY operation Cooling KEY operation Reset View Mode Tact switch Cooling target Cooling target...
Page 40 Setting indoor unit option switch and key function DIP S/W speciﬁcation setting AM✴✴✴✴XMD✴H Series TACT Number of Content SEG1 SEG2 SEG3 SEG4 Remark switch presses Press and hold Check operation 1 time Heating refrigerant charging Heating trial operation Heating pump out Vacuum Completion Cooling refrigerant charging...
Page 41 K5: Automatic / Manual Silent mode operation setting Switch Function (Silent mode operation control) Automatic Silent mode operation Manual Silent mode operation ❋ You can use the Manual operation, if you set the K5 DIP switch to ‘OFF’ and connect some external contact Silent mode switch to the ‘External Con’...
Page 42 Setting indoor unit option switch and key function K11, K12: Changing heating capacity correction table Switch Function Default Default -196 kPa Default - 98 kPa Default + 98 kPa ❋ Heating operation increases frequency when current high pressure is higher than target high pressure; vice versa, decreases frequency.
Page 43 K15, K16: Defrost Option This is to control entering condition of defrost mode Switch Function LOW1 LOW2 ❋ Defrost mode will start when the temperature diﬀerence between outdoor and outdoor heat exchanger has become more than certain standard. ❋ Factory default status is MID. When the function changes to LOW with option control, defrost entering temperature decreases.
Page 44: Inspection And Check Operation
Setting indoor unit option switch and key function 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.
Page 45 6. Guaranteed range of check operation For correct judgment, you must perform check operation in below indoor/outdoor temperature condition. Cooling Heating Indoor temperature (°C) - Check operation selects and operates cooling/heating mode automatically. - In the temperature range marked with slashed pattern, system protection control may trigger during operation.(It may be hard to judge the check operation correctly due to protection control operation.) - When the temperature is outside of guaranteed range, accuracy of judgment on check operation may decrease near boarder line area.Inspection and check operation...
Page 46: Charging Refrigerant
Charging refrigerant The R-410A refrigerant is blended refrigerant. Add only liquid 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.
Page 47 Charging refrigerant Open the manifold gauge valve connected to the liquid side service valve and add the liquid refrigerant. If you cannot add the whole quantity of the refrigerant while the outdoor unit is stopped, open the gas side and liquid side service valve.
Page 48: Pump Down
Pump Down The object of pump down You can reduce as much refrigerant leakage as possible during product movement or repair by collecting the refrigerant to the outdoor unit. Caution for pump down procedure The amount of refrigerant that can be put into an outdoor unit is limited due to the slim shape of the outdoor unit. Before performing pump down, most of the refrigerant should be put into an empty container at ﬁrst.
Page 49 How to put the refrigerant into the refrigerant container before pump down operation ❋ When the amount of refrigerant charged in the system exceeds maximum receptive capacity, collect the refrigerant into the refrigerant container at ﬁrst and then perform the pump down. Prepare the exclusive refrigerant container that can be recharged, scale, and manifold gage that can be recharged.
Page 50: Checking Lists After Finishing Installation
Checking lists after ﬁnishing installation Before supplying power, measure the power terminal (L, N) and outdoor unit grounding using insulation-resistance tester. - The measured value should be above 30MΩ. You must not measure the communication terminal since the communication circuit may get damaged. Check the short circuit using a circuit tester.
Page 51: Trial Operation
Trial operation Check the power supply between the outdoor unit and the cabinet panel. - 1 phase power supply : L, N - 3 phase power supply : R,S,T,N Check the indoor unit. - Check whether you have connected the power and communication cables correctly. (The communication cables between an indoor unit and outdoor unit are F1, F2.) - Check the thermistor sensor, drain pump/hose, and display are connected correctly.
Page 52 Trial operation Net weight Net size Type Model (kg) (W × H × D, mm) RD040MHXEA 940×1,210×330 RD050MHXEA 940×1,210×330 RD040MHXGA 940×1,210×330 Outdoor unit AM050FXMDGH/EA 940×1,210×330 RD060MHXEA 940×1,210×330 RD060MHXGA 940×1,210×330 AM060FXMDEH/EA 940×1,210×330...
Page 53 MEMO...
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Page 56 SAMSUNG ELECTRONICS CO., LTD. 107, Hanamsandan 6beon-ro, Gwangsan-gu, Gwangju-si, Korea 62218 Samsung Electronics Service Department PO Box 12987, Blackrock, Co. Dublin. Ireland Blackbushe Business Park, Yateley, GU46 6GG. UK This product is RoHS compliant DB98-33604A-15...

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Samsung RD MHXE Series Installation Manual

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