Sinclair SF HM2 Series Service Manual
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Sinclair SF HM2 Series Service Manual

Wall mounted fan coil unit
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WALL MOUNTED
FAN COIL UNIT
SERVICE MANUAL
SF-xxxHM2
AIR CONDITIONING

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Summary of Contents for Sinclair SF HM2 Series

  • Page 1 WALL MOUNTED FAN COIL UNIT SERVICE MANUAL SF-xxxHM2 AIR CONDITIONING...

  • Page 2: Table Of Contents

    Wall-mounted DC Fan Coil Unit 1. External Appearance ..................2 2. Features ......................3 3. Product lineup ....................3 4. Accessories ....................... 4 5. Specifications ....................5 6. Dimension ......................7 7. Sound Levels ....................8 8. Service Spaces ....................12 9.

  • Page 3: External Appearance

    1. External Appearance A type panel...

  • Page 4: Features

    2. Features • Multi-connection outlet pipe method: left\right\rear, satisfy the need of different rooms. • Cross flow fan creates quiet and comfortable environment. • Built-in the 3-way electromagnetic valve. • Built-in network interface module. • Easy maintenance has been realized as the front panel can be removed for easy access. •...

  • Page 5: Accessories

    4. Accessories 4.1 Standard accessories Accessory name Qty. Shape Usage Owner’s & installation manual Installation guide Screw ST3.9x25 for installation Screw the installation board board Plastic expanded tube Wrapping tape Drain pipe Wall conduit cover Remote controller R05/BGE Remote controller & Its Frame Frame Mounting screw(ST2.9x10-C-H) Alkaline dry batteries...

  • Page 6: Specifications

    5. Specifications Model SF-250HM2 SF-300HM2 SF-400HM2 Power supply V/Ph/Hz 220-240/1/50 492/454/400 585/485/413 825/689/590 Air flow (H/M/L) 289/267/235 344/285/242 485/405/347 Capacity (H/M/L) 2.7/2.59/2.39 2.91/2.54/2.19 3.81/3.3/2.88 Water flow rate(H/M/L) 0.48/0.46/0.42 0.51/0.45/0.38 0.67/0.57/0.51 Cooling1 Water pressure drop(H/M/L) 31.61/28.63/25.36 37.2/29.73/23.36 56.75/41.23/33.02 Power input(H/M/L) 13/11/10 15/11/9 33/22/15 Capacity (H/M/L)
  • Page 7 Model SF-500HM2 SF-600HM2 Power supply V/Ph/Hz 220-240/1/50 862/741/634 979/849/717 Air flow (H/M/L) 507/435/372 575/499/421 Capacity (H/M/L) 4.47/3.98/3.48 4.87/4.26/3.79 Water flow rate(H/M/L) 0.77/0.68/0.61 0.85/0.72/0.65 Cooling Water pressure drop(H/M/L) 41.17/33.54/27.05 50.68/39.47/33.66 Power input(H/M/L) 26/18/13 38/26/18 Capacity (H/M/L) 4.84/4.23/3.62 5.26/4.68/3.96 Water flow rate(H/M/L) 0.84/0.73/0.64 0.89/0.80/0.68 Heating...

  • Page 8: Dimension

    6. Dimension SF-250HM2, SF-300HM2, SF-400HM2, SF-500HM2, SF-600HM2 Model SF-250(300,400)HM2 SF-500(600)HM2 1072...

  • Page 9: Sound Levels

    7. Sound Levels Noise level under three speeds of fan [dB(A)] Unit Number Model SF-250HM2 SF-300HM2 SF-400HM2 SF-500HM2 SF-600HM2...
  • Page 10 SF-250HM2 SF-300HM2...
  • Page 11 SF-400HM2 SF-500HM2...
  • Page 12 SF-600HM2...

  • Page 13: Service Spaces

    8. Service Spaces...

  • Page 14: Main Pcb Ports

    9. Main PCB ports Main PCB port description: Bit No. Description Remarks CN10 POWER: Mains input Standard CN29 ACN: Cooling and heating 2-way/3-way valve null line Standard CN14 ACN: Cooling and heating 2-way/3-way valve null line Reserved Reserved (the whole machine CN11 PUMP: Water pump output port can not be realized)
  • Page 15 Continued: Bit No. Description Remarks CN24 DC_FAN：DC Fan Standard EARTH: Grounding screw position Standard CN19 Electrically heated N-wire control port 1 Customized CN26 Electrically heated N-wire control port 2 Customized CN13 Electrically heated L-wire control port 1 Customized CN33 Electrically heated L-wire control port 2 Customized TRANS IN: 0-10V valve powered linear transformer CN28...

  • Page 16: Wiring Diagrams

    10. Wiring Diagrams Power supply Control board POWER IN is grounded is grounded ONLY AC AC FAN PUMP WHITE ONLY DC ONLY DC WHITE BLUE BROWN CN10 CN29 CN11 CN16 CN31 CN32 POWER PUMP VALVE-H VALVE-C N L M H HH ONLY 4 PIPE SWING T2C T1...

  • Page 17: Troubleshooting

    11. Troubleshooting Malfunction code Malfunction Room temperature T1 sensor check channel is abnormal. Evaporator sensor checking channel is abnormal.(T2C) Evaporator sensor checking channel is abnormal.(T2H) EEprom malfunction. Fan failure. Anti-freezing protection Excess water temperature protection Water-level switch malfunction. Not set models ---- Indoor unit switch at long-range controller is dialed to OFF 11.7.1 E2: Room temperature T1 sensor check channel is abnormal.
  • Page 18 11.7.2 E3: T2 evaporator sensor malfunction E2: T2 ev aporator se nsor malfunction E3: T2 evaporator sensor malfunction Exist T2 connecting wire between sensor and Reconnect and ensure that mainboa rd gets loose. the connection is reliable. Exist Temperature sensor is short-circuited or Replace sensor.
  • Page 19 11.7.5 EE: Water-level switch malfunction EE: Water-level alarm malfunction Water-level switch connecting wire Reconnect and ensure that the between switch and main board gets connection is reliable. loose There is something wrong with the water- Replace switch. level switch Reinstall chip or install other chip Chip fault or chip foot sheds odd or chip is with same model on the faulty unit to inverted.(correct mode is semicircular...

  • Page 20: Installation

    12. Installation 12.1 Installation Attention 1. Warning: Be sure only trained and qualified service personnel to install, repair or service the equipment. • Improper installation, repair, and maintenance may result in electric shocks, short-circuit, leaks, fire or other damage to the equipment. Install according to this installation instructions strictly.
  • Page 21 2. Caution: Ground the air conditioner. • Do not connect the ground wire to gas or water pipes, lightning rod or a telephone ground wire. Incomplete grounding may result in electric shocks. • Be sure to install an earth leakage breaker. Failure to install an earth leakage breaker may result in electric shocks.
  • Page 22 12.2 Inspecting and Handling the unit At delivery, the package should be checked and any damage should be reported immediately to the carrier claims agent. When handling the unit, take into account the following: Fragile, handle the unit with care. 2.
  • Page 23 500/600 type: 1. Fix the installation board. Install the installation board horizontally on structural parts in the wall with the spaces provided around • the plate. • In case of brick, concrete or similar type walls, make 5mmdia, holes in the wall. Insert clip anchors for appropriate mounting screws.
  • Page 24 When connection extension drain hose, insulate the connecting part of extension drain hose with a shield pipe. 2. Connection pipe 1) For the left-hand and rear-left-hand piping, install the piping as shown. Bend the connective pipe to be laid at 43mm height or less from the wall.
  • Page 25 2) Fix the end of the connective pipe. Caution: Connect the indoor unit first then the outdoor unit and bend and arrange the pipe carefully. • • Do not allow the piping to let out from the back of the indoor unit. Be careful not to let the drain hose slack.
  • Page 26 Note: Please refer to installation instructions for the water piping conection of the air conditioner that with throttle device inside. 3-way valve discharge (4.ports) valve conector  At the first debugging, completely expel air from coils via expelling valve. 12.5 Wiring Caution: The reserved function is indicated in broken line table, users can select it when necessary.
  • Page 27 12.5.1 Terminal Board Diagram Please adopt the shielded twisted-pair wire, and connect the shielded layer to E. Insert 2 & 3 together is OK The reserved wire control function is indicated in broken line table, users can purchase the wire controller when necessary.

  • Page 28: Capacity Table

    13. Capacity Table Cooling Capacity SF-250HM2 S F S F Indoor temperature (D.B.) Indoor EWT ΔT temp (W.B.) TC SC WF WPD TC SC WF WPD TC SC WF WPD TC SC WF WPD TC SC WF WPD °C °C °C kW m /h kPa...
  • Page 29 Cooling Capacity SF-300HM2 Indoor temperature (D.B.) Indoor EWT ΔT temp (W.B.) TC WF WPD TC WF WPD TC WF WPD TC WF WPD TC WF WPD °C °C °C kW m /h kPa kW m /h kPa kW m /h kPa kW m /h kPa kW m...
  • Page 30 Cooling Capacity SF-400HM2 Indoor temperature (D.B.) Indoor EWT ΔT temp (W.B.) TC SC WF WPD TC SC WF WPD TC SC WF WPD TC SC WF WPD TC SC WF WPD °C °C °C kW m /h kPa kW m /h kPa kW m /h kPa...
  • Page 31 Cooling Capacity SF-500HM2 Indoor temperature (D.B.) Indoor EWT ΔT temp (W.B.) TC SC WF WPD TC SC WF WPD TC SC WF WPD TC SC WF WPD TC SC WF WPD °C °C °C kW kW m /h kPa kW kW m kW kW m kW kW m kW kW m...
  • Page 32 Cooling Capacity SF-600HM2 Indoor temperature (D.B.) Indoor EWT ΔT temp (W.B.) TC SC WF WPD TC SC WF WPD TC SC WF WPD TC SC WF WPD TC SC WF WPD °C °C °C kW kW m /h kPa kW kW m kW kW m kW kW m kW kW m...
  • Page 33 Heating Capacity SF-250HM2 Indoor temperature (W.B.) ΔT °C °C 2.38 0.26 4.59 2.08 0.23 3.68 1.79 0.19 2.85 1.50 0.16 2.11 2.09 0.18 2.58 1.79 0.16 1.99 1.48 0.13 1.28 1.14 0.10 0.74 1.77 0.13 1.27 1.43 0.10 0.81 1.14 0.08 0.56 0.88...
  • Page 34 Heating Capacity SF-300HM2 Indoor temperature (W.B.) ΔT °C °C 2.57 0.28 5.22 2.25 0.24 4.18 1.94 0.21 3.24 1.62 0.17 2.40 2.26 0.20 2.92 1.94 0.17 2.26 1.60 0.14 1.55 1.20 0.10 0.81 1.91 0.14 1.52 1.50 0.11 0.89 1.17 0.08 0.58 0.91...
  • Page 35 Heating Capacity SF-400HM2 Indoor temperature (W.B.) ΔT °C °C 3.16 0.34 7.44 2.78 0.30 5.98 2.40 0.26 4.65 2.01 0.22 3.45 2.80 0.24 4.19 2.41 0.21 3.25 2.01 0.17 2.41 1.58 0.14 1.51 2.42 0.17 2.43 1.98 0.14 1.65 1.42 0.10 0.79 1.06...
  • Page 36 Heating Capacity SF-500HM2 Indoor temperature (W.B.) ΔT °C °C 3.78 0.41 14.11 3.33 0.36 11.35 2.88 0.31 8.83 2.42 0.26 6.54 3.37 0.29 7.95 2.91 0.25 6.20 2.44 0.21 4.62 1.97 0.17 3.22 2.93 0.21 4.68 2.45 0.18 3.47 1.95 0.14 2.22 1.37...
  • Page 37 SF-600HM2 Indoor temperature (W.B.) ΔT °C °C 4.16 0.45 16.62 3.67 0.40 13.37 3.17 0.34 10.42 2.67 0.29 7.72 3.71 0.32 9.37 3.21 0.28 7.32 2.70 0.23 5.46 2.18 0.19 3.82 3.24 0.23 5.54 2.72 0.20 4.11 2.19 0.16 2.85 1.55 0.11 1.31...
  • Page 38 SF-250HM2...
  • Page 39 Description Part Code Note Price Code MODEL: SF-250HM2 WALL-MOUNTED FCU Panel part 12126000A08796 Electrical cover 12126000000120 Panel frame ass'y 12126000000107 Louver 12126000000129 Louver 12126000000133 seal plug 15500402000023 Fixing board of fan motor 12226000000529 Brushless DC Motor 11002015000248 E-part box assembly 17226200A01790 11.1 Main control board subassembly...
  • Page 40 SF-400HM2...
  • Page 41 Description Part Code Note Price Code MODEL: SF-400HM2 WALL-MOUNTED FCU Panel part 12126000A08796 Electrical cover 12126000000120 Panel frame ass'y 12126000000107 Louver 12126000000129 Louver 12126000000133 seal plug 15500402000023 Fixing board of fan motor 12226000000529 Brushless DC Motor 11002015000248 E-part box assembly 17226200A01790 11.1 Main control board subassembly...
  • Page 42 SF-600HM2...
  • Page 43 Description Part Code Note Price Code MODEL: SF-600HM2 WALL-MOUNTED FCU Panel part 12126000A08795 Electrical cover 12126000000120 Panel frame ass'y 12126000000100 Motor spud 12226000000530 Louver 12126000000126 Louver 12126000000130 seal plug 15500402000023 Fixing board of fan motor 12226000000529 Brushless DC Motor 11002015000248 E-part box assembly 17226200A01790 11.1...

This manual is also suitable for:

Sf-250hm2Sf-300hm2Sf-400hm2Sf-500hm2Sf-600hm2

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