Related Manuals for Samsung AM FXMDCH Series
Summary of Contents for Samsung AM FXMDCH Series
- Page 1 AM✴✴✴FXMDCH Series Air Conditioner installation manual imagine the possibilities Thank you for purchasing this Samsung product.
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Page 2: Table Of Contents
Contents Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Outdoor unit type . -
Page 3: Safety Precautions
. X This manual explains how to install an indoor unit with a split system with two SAMSUNG units . The use of other types of units with different control systems may damage the units and invalidate the warranty . The manufacturer shall not be responsible for damages arising from the use of non compliant units . - 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 . X 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 .
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Page 5: Outdoor Unit Type
Outdoor unit type Shape AM036FXMDCH✴ Model Cooling and Heating 1phase AM048FXMDCH✴ AM053FXMDCH✴ Installation combination X You must install the indoor unit that uses R410A only . X 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 . X 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 (9 . 8 4ft) 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 .
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Page 8: Installation Location
Installation location X Make a space for ventilation and service as seen in the picture . X 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 . X The side with logo is the front side of the outdoor unit . - Page 9 When installing more than 1 outdoor unit Unit: mm (inch) ❋ ❋ When 3 sides of the outdoor unit are blocked by the wall 300 (12) or 600 (24) or 600 (24) or 600 (24) or more more more more ❋...
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Page 10: Installation And Base Ground Work For An Outdoor Unit
Installation location Moving the Outdoor Unit X Select the moving route in advance . X Be sure that moving route is safe from the weight of the outdoor unit . X Do not slant the product more than 30˚ when carrying it . (Do not lay the product down sideways . ) X The surface of the heat exchanger is sharp . - Page 11 Base ground work Install the outdoor unit horizontally on the ground 150mm (6 inch) or more Drain hole 150mm (6 inch) or more < When installing on the roof > < When installing on the ground > X The outdoor unit should be supported within the range of measurement below for base ground work . Unit: mm (inch) Anchor bolt position 620 (24 .
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Page 12: Refrigerant Pipe Installation
Refrigerant pipe installation Refrigerant pipe work X 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 . X 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 (inch)] Minimum thickness [mm (inch)] Temper grade Ø6 . 3 5 (1/4) 0 . 7 (0 . 0 28) Ø9 . 5 2 (3/8) 0 . 7 (0 . 0 28) Annealed Ø12 .
- Page 14 Refrigerant pipe installation Selecting Y-joint X Select the first Y-joint according to main pipe size of each outdoor unit capacity . X 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 Outdoor unit capacity Total indoor unit capacity under the...
- Page 15 Direction of the pipe when brazing X Brazing the pipe should be done with the pipe headed downward or horizontally . X 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 X Check that the flaring is properly made . X 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 Caution for using knock-out hole • Make sure not to damage the exterior of the outdoor unit . •...
- 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 (492’) Actual Ex) 8 indoor units Ex) 6 indoor units Length a+b+c+d+e+f+g+p≤ 150m (492’) a+b+c+d+j ≤ 150m (492’) Maximum Outdoor unit Equivalent allowable...
- 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 (492’) Actual Ex) 8 indoor units Ex) 8 indoor units...
- Page 21 Refrigerant pipe work Refrigerant Y-joint installation Install the Y-joint ‘horizontally’ or ‘vertically’ . X Install horizontally X 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 X 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 .
- Page 24 Refrigerant pipe installation Performing air tightening test X Use tools for R410A only to prevent the inflow of foreign substances and to resist the internal pressure . X 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 .
- Page 25 Vacuuming a pipe and an indoor unit X Use the tools for R410A only to prevent the inflow of foreign substances and resist against the internal pressure . X 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 X Basic refrigerant The basic amount of additional refrigerant charged at a factory Factory charge Model Refrigerant AM036FXMDCH✴ 3 . 2 7 . 0 55 AM048FXMDCH✴ R410A 3 . 2 7 . 0 55 AM053FXMDCH✴...
- Page 27 [Unit: kg(lb)] Capacity(kBtu) Model Ceiling 0 . 3 9 0 . 3 9 0 . 5 6 0 . 9 5 (AM✴✴✴FNCDC✴/AA, (0 . 8 6) (0 . 8 6) (1 . 2 3) (2 . 0 9) AM✴✴✴JNCDC✴/AA) V-AHU 0 .
- Page 28 Refrigerant pipe installation Insulating refrigerant pipe or Y-joint X 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 . X Use EPDM insulation which meets the following condition .
- Page 29 Insulating refrigerant pipe X You must insulate refrigerant pipe, Y-joint, header joint, and pipe connection area . X If you insulate the pipes, the condensed water does not fall from the pipes . X Check if there are any insulation cracks on the bent pipe . Clamp Insulation Insulation...
- Page 30 Refrigerant pipe installation Insulating the header joint X Fasten the header joint using a cable tie and cover the connected part . Insulation X Insulate the header joint and the brazing part and wrap the connected part with an adhesive insulation tape to prevent dew formation . Adhesive insulation Insulation after brazing a stopper tape...
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Page 31: Wiring Work
Wiring work X Wiring work should be performed in accordance with related laws such as ‘Technical specification on electric installation’ , ‘Wiring regulations’ or ‘Installation manual’ . X Copper cable should be used for wiring work and all the wires or parts should be rated products . X 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 208V-230V 208V-230V MCCB + ELCB ELCB MCCB + 208V-230V Earth Communication cable Earth Wired remote controller...
- Page 33 • You must install an earth leakage breaker . - ELCB(Earth Leakage Circuit Breaker) CAUTION - MCCB(Molded Case Circuit Breaker) - ELB(Earth Leakage fuse breaker) • Manufacturers are not responsible for fire caused by not installing ELCB or MCCB . •...
- Page 34 Wiring work Selecting compressed ring terminal X Select a compressed ring terminal of a connecting power cable based on a nominal dimensions for cable . X Cover a compressed ring terminal and a connector part of the power cable and then connect it . Silver solder Nominal dimensions for cable 4/6 (0 .
- Page 35 Installing grounding wire X Grounding must be done by a qualified installer for your safety . X Use the grounding wire by referring to the specification of the electric cable of the outdoor unit . Grounding the power cable X The standard of grounding may vary according to the rated voltage and installation place of the air conditioner . X Ground the power cable according to the following .
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Page 36: 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... -
Page 37: Setting Outdoor Unit Option Switch And Key Function
Setting outdoor unit option switch and key function PBA shape 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 Setting the number of connecting indoor units Ex : When you connect 3 indoor units, set SW02 to 3... - Page 38 Setting outdoor unit option switch and key function S/W function Heating KEY operation Cooling KEY operation Reset View Mode Tact switch Cooling target Cooling target Manual silent option Snow prevention evaporating evaporating temperature temperature Heating capacity Heating capacity Silent mode Silent mode DIP switch correction...
- Page 39 X K4 input display order (1) Current frequency (2) Low pressure value (3) Outdoor temperature (4) Discharge temperature (5) OLP temperature (6) COND temperature (7) Double pipe out tube temperature (8) High pressure value (9) FAN RPM (10) ESC(EVI) EEV (11) MAIN EEV (12) Present running current (13) Number of connected indoor units (14) Number of operating indoor units ...
- Page 40 Setting outdoor unit option switch and key function X K9, K10: option . This reduces FAM RPM to operate the outdoor unit quietly during night operation . Silent mode Switch Function (Silent mode) Disuse Silent mode STEP - 1 STEP - 2 STEP - 3 ❋...
- Page 41 X K15, K16: Changing defrost option table 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 .
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Page 42: Pump Down
Setting outdoor 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 . •... - Page 43 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 . X Prepare the exclusive refrigerant container that can be recharged, scale, and manifold gage that can be recharged .
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Page 44: Checking Lists After Finishing Installation
Checking lists after finishing installation X 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 . •... -
Page 45: Inspection And Check Operation
Inspection and check operation Precautions before check operation • When the outdoor temperature is low, turn on the main power 3 hours before beginning the operation . CAUTION - If you start the operation immediately after turning on the main power, it may cause serious damage to the part within the product . - Page 46 Inspection and check operation Check operation 1) Use KEY MODE to run check operation . - When the check operation is not completed, UP (unprepared) will appear on the LED after the communication check and restrict compressor from operating . (UP Mode will be cleared automatically when check operation is completed . ) - Check operation may proceed from 30 minutes maximum 50 minutes depending on the operation status .
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Page 47: Automatic Refrigerant Amount Detection Function (Checking Th Amount Of Refrigerant)
Automatic refrigerant amount detection function (Checking th amount of refrigerant) This function detects amount of refrigerant in the system through refrigerant amount detection operation Start Press the Tact switch "K2" 4 times Input S-NET pro signal Satisfy the temperature condition Detect amount of refrigerant Judge the amount of refrigerant (Normal) (Excessive) -
Page 48: Trial Operation
Trial operation X Check the power supply between the outdoor unit and the cabinet panel . - 1 phase power supply : L, N X 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 . - Page 49 Memo...
- Page 50 DB68-03408A-05...