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Summary of Contents for Space Pak ECOELEGANT SERIES
- Page 1 ECOELEGANT SERIES INSTALLATION OPERATION AND SERVICE MANUAL (AMERICAS VERSION) HW~ECM SERIES Revised: July 11, 2016...
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Page 2: Sk2016 Hw-V-Aecm
Page 1 of 57 INVESTING IN QUALITY, RELIABILITY & PERFORMANCE. ISO 9001 QUALITY World Leading Design and Technology Every product is manufactured to meet Equipped with the latest air-conditioning test rooms the stringent requirements of the and manufacturing technology, our factories in China internationally recognized ISO 9001 produce over 2,000,000 air conditioning units each standard for quality assurance in design,... -
Page 3: Table Of Contents
Page 2 of 57 Table of Content GENERAL DESCRIPTION ..............................4 TECHNICAL DATA ................................5 B.1..............................5 ENERAL PECIFICATION B.1.1. HW–AECM Series Specifications ..........................5 B.2..................................6 B.2.1. 2-Pipe Systems ................................ 6 B.5............................... 11 ALVE NFORMATION B.5.2. 3-Way 1/2”... - Page 4 Page 3 of 57 USERS INTERFACE ............................... 49 G.1............................. 49 EMOTE ONTROL ANDSET G.2................................50 IRED G.2.1. Wall Pad Display .............................. 50 G.2.2. Wall Pad Operation Guidelines ........................51 G.2.3. EC unit RPM setting ............................54 SENSOR RESISTANCE R-T CONVERSION TABLE ......................55 TROUBLESHOOTING GUIDE ............................
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Page 5: General Description
Page 4 of 57 A. General Description This High- Wall Unit is designed to meet and exceed demanding requirements for efficiency, quiet operation and appearance. The sleek profile and elegantly styled cabinet complements any interior design theme, while the microprocessor assures accurate environmental control. Cabinet ~ the stylish cabinet is constructed of durable flame resistant acrylonitrile-butadiene-styrene (ABS) plastic. -
Page 6: Technical Data
Page 5 of 57 B. Technical Data B.1. General Specification B.1.1. HW–AECM Series Specifications Product range: HW-AECM Hydronic High Wall 2 pipe with EC Motor (American Standard) HW-[Size]-V~-AECM Configuration 2-pipe Number Of Fan Blowers Single Power Supply (V/Ph/Hz) 220 or 115/1/60 ~S: Complete function onboard PCB with integrated group control functionality. -
Page 7: Coil Data
Page 6 of 57 B.2. Coil Data B.2.1. 2-Pipe Systems Tube Fin Height Fin Length Model Fins per Inch No. of Rows No. of Copper No. of Circuits Diameter (inch) (inch) (inch) HW‐04 26.8 HW‐06 14.1 26.8 HW‐12 14.1 26.8 HW‐15 14.1 26.8... - Page 8 Page 7 of 57 B.3. Sound Power and Pressure data Sound Power A-weighted 31.0 29.2 27.8 43.1 33.9 29.9 43.1 33.9 29.9 50.1 37.1 33.6 Sound Power dB(A) 31.5Hz 10.4 11.5 11.5 10.3 63Hz 10.0 13.0 125Hz 17.0 22.2 11.7 250Hz 17.5 13.5...
- Page 9 Page 8 of 57 Sound Pressure A-weighted 21.8 18.6 33.8 24.6 20.7 33.8 24.6 20.7 40.9 27.9 24.3 Sound Pressure dB(A) 31.5Hz -4.7 11.5 -8.4 -5.1 -8.4 -5.1 -4.6 -3.8 63Hz -6.1 -5.7 -4.3 10.0 -3.8 -5.9 -3.8 -5.9 -6.2 -5.4 125Hz -3.0...
- Page 10 Page 9 of 57 B.4. Dimensional Drawings Dimensional drawing for HW-04/06/12/15/18-AECM Unit Dimensions Model 1.57 4.13 34.45 2.17 4.13 HW-04/06/12/15/18 R0.78 2.36 2.91 Unit Dimensions Model 7.87 2.17 1.18 1.18 8.66 9.02 0.39 11.81 HW-04/06/12/15/18 Unit Dimensions Model 26.18 6.69 27.95 4.92 HW-04/06/12/15/18...
- Page 11 Page 10 of 57 Dimensional drawing for HW-20/24/30-AECM Unit Dimensions Model 3.54 41.34 2.01 3.54 0.59 2.87 2.91 HW-20/24/30 Unit Dimensions Model HW-20/24/30 33.66 6.10 32.28 6.89 Unit Dimensions Model 8.46 2.05 1.18 1.26 9.25 12.20 2.28 0.51 HW-20/24/30 (All dimensions shown in inch) SK2016 HW-V-AECM-001...
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Page 12: Valve Information
Page 11 of 57 B.5. Valve Information B.5.1. 2-Way 1/2” Valve Body Valve Dimensions (inch) Valve Model SGS14HFCA-23020201 2.05 1.85 0.77 2.48 (G1/2”) B.5.2. 3-Way 1/2” Valve Body Valve Dimensions (inch) Valve Model SGS14HFCA-23020202 2.05 2.76 1.57 3.39 (G1/2”) Differential Pressure Chart SK2016 HW-V-AECM-001... -
Page 13: Service And Installation
Page 12 of 57 C. Service and Installation Operating Limits Power supplies Volt Phase Model 208~240 HW-VX-AECM 110~120 HW-VY-AECM Water circuit Minimum entering water temperature +2°C (35.6°F) Maximum entering water temperature +80°C (176°F) Water side recommended maximum pressure 1600 kPa (232 PSI) C.1. -
Page 14: Mounting Plate Dimensions
Page 13 of 57 C.1.2. Mounting Plate Dimensions HW-04/06/12/15/18 –AECM HW-20/24/30 –AECM (All dimensions shown in inch) SK2016 HW-V-AECM-001... -
Page 15: Installing The Mounting Plate
Page 14 of 57 C.1.3. Installing the Mounting Plate 1. Select the structural position (e.g. a pillar or lintel) on the wall. 2. Then temporarily fasten the mounting plate on the wall with a steel nail. Mount the mounting plate horizontally as shown in the above figure or by means of gradiometer. -
Page 16: Installing The Hydronic Unit
Page 15 of 57 C.1.5. Installing the Hydronic Unit 1. Pass the piping through the hole in the wall and hook the indoor unit on the mounting plate by the upper hooks. 2. Move the body of the unit from side to side to verify if it is securely fixed. 3. -
Page 17: Unit Maintenance And Preparation
Page 16 of 57 C.2. Unit Maintenance and Preparation C.2.1. Opening and Closing Of Lift-Up Grille Cover Open the grille cover by lifting from the bottom position Close the grille cover by pressing down at indicated by the arrows. the positions indicated by the arrows. C.2.2. -
Page 18: Air Purging
Page 17 of 57 C.2.3. Air Purging After connecting the water inlet and outlet pipes to the main supply lines turn on the main breaker and operate the unit in COOLING mode. Open the water inlet valve and flood the coil. Check all connections for water leakage. -
Page 19: Pipe Connections With Valve
Page 18 of 57 C.3. Pipe Connections with Valve Pre-assembly Flexible hose ½” gasket Coil connector Valve body with actuator Complete Assembly SK2016 HW-V-AECM-001... -
Page 20: Control Specifications: Complete Control Pcb - S Type Control
Page 19 of 57 D. Control Specifications: Complete Control PCB - S Type Control Used in all High-Wall [V/P] ~S unit configurations. Abbreviations Setting temperature AUX1 = Hot water free contact Room air temperature AUX2 = Chilled water free contact Ti1 = Chilled water coil temperature MTV1... -
Page 21: Wiring Diagram Full Control Pcb - S Control Type
Page 20 of 57 D.2. Wiring Diagram Full Control PCB – S Control Type SK2016 HW-V-AECM-001... -
Page 22: Configuration Settings
Page 21 of 57 D.3. Configuration Settings There are 2 DIP switches set on the PCB: 1. DIPA-S1 (8 positions) SW1 – SW6: used for master-slave / BMS network address. SW7 – SW8: used for operating mode configuration. 2. - Page 23 Page 22 of 57 4. Unit Configuration: On board DIP switches of DIPB are used for the below configurations. PR-O contact setting Economy contact Window contact System setting 2-pipes system 4-pipes system Preheat setting 82.4°F 96.8°F 5. Motorized Fan Speed Settings for Different Models on DIPB: Speed (RPM) Unit Model Medium...
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Page 24: Control Logics For 2-Pipe System
Page 23 of 57 D.4. Control Logics For 2-Pipe System D.4.1. With Thermoelectric Valve Configuration COOL MODE MTV2, AUX1 and heater are always off. If Tr ≥ Ts + 1.8ºF (or + 7.2ºF if economy contact is activated), then cool operation is activated and MTV1 and AUX2 are turned on. - Page 25 Page 24 of 57 With Electrical Heater as Primary Heat Source MTV1, MTV2, and AUX2 are always off. If Ti2 ≤ 86ºF (or Ti2 is damaged or not connected), If Tr ≤ Ts﹣1.8ºF (or – 7.2ºF if economy contact is activated), then heat operation is activated and the electrical heater and AUX1 are turned on.
- Page 26 Page 25 of 57 DEHUMIDIFICATION MODE MTV2, AUX1 and heater are always off. If Tr ≥ 77ºF, then MTV1 and AUX2 will be turned on for 3 minutes, and then off for 4 minutes. If 60.8ºF ≤ Tr < 77ºF, then MTV1 and AUX2 will be turned on for 3 minutes, and then off for 6 minutes. If Tr <...
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Page 27: Without Thermoelectric Valve Configuration
Page 26 of 57 D.4.2. Without Thermoelectric Valve Configuration COOL MODE Heater, AUX1, MTV1 and MTV2 are always off. If Tr ≥ Ts + 1.8ºF (or + 7.2ºF if economy contact is activated), then cool operation is activated and AUX2 is turned on. - Page 28 Page 27 of 57 PRE-HEAT Without Electrical Heater MTV1, MTV2 and AUX2 are off. If Ti1 < 96.8ºF (or > 82.4ºF is selected by DIPB-S2 position SW4), then AUX1 is turned on while indoor fan remains off. If Ti1 ≥ 100.4ºF (or < 86ºF is selected by DIPB-S2 position SW4), then AUX1 is turned on while indoor fan runs at set speed.
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Page 29: Control Logics For 4-Pipe System
Page 28 of 57 D.5. Control Logics For 4-Pipe System Note: unit equipped with 4x2 switching device. COOL MODE MTV2, AUX1 and Electrical Heater are always off. If Tr ≥ Ts + 1.8ºF (or + 7.2ºF if economy contact is activated), then cool operation is activated, MTV1 and AUX2 are turned on. - Page 30 Page 29 of 57 Pre-heat with Electrical Heater MTV2 and AUX2 are turned on. If the indoor fan speed ≥ 300RPM, then the electrical heater will turn on. POST-HEAT Without Electrical Heater If Ti2 ≥ 100.4ºF, then MTV2 and AUX 1 are turned off. Indoor fan continues to run at set speed. If 96.8F ≤...
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Page 31: Sleep Mode
Page 30 of 57 D.6. SLEEP MODE The sleep mode can only be set when the unit is in cool mode or heat mode. If the sleep mode is activated when the unit is in cooling, the indoor fan will run at low speed and Ts will increase 2.6 ºF during 2 hours. -
Page 32: Louver
Page 31 of 57 D.8. Louver For remote handset Whenever the indoor fan is running, the louver can swing or stop at the desired position. Louver angle: 0~100º, opens clockwise with widest angle at 100º. Swing angle: 35~100º, opens clockwise to 68º. Below are the 4 fixed positions which can be set from wireless LCD handset. - Page 33 Page 32 of 57 D.12. LED lights For all units Power / Operation LED light (both green) Unit on Operation LED On, Power LED Off Unit in standby Power LED On, Operation LED Off SK2016 HW-V-AECM-001...
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Page 34: Led Display And Error Description
Page 33 of 57 D.13. LED Display and Error Description For all units - Operation LED light (Green) Error Description Blink Reason Remedy Only for unit with EH. Change fan speed to high. Green LED blinks 1 times, Electrical heater failure EH safety switch is Replace the damaged EH safety stops for 3s... -
Page 35: Led Display On Master/Slave Connection
Page 34 of 57 D.14. LED Display on Master/Slave connection The error message indicating the defect status of all slave units will be shown in LED lights on the master unit. Master unit Protection LED light (Red) Unit No. Blink Remedy Unit 2 failure RED LED blinks 2 times, stops for 3s... -
Page 36: Networking System
Page 35 of 57 E. Networking System E.1. Master – Slave Network The control PCB can be set either as a master unit or slave unit. MASTER UNIT FUNCTION a) The master unit sends data regarding its setting to the slave unit. b) The master unit settings are unit ON/OFF, Mode, Fan Speed, Timer, Clock, Set Temperature, Swing Function, and Sleep Function for handset operation. -
Page 37: Master - Slave Network Setup
Page 36 of 57 E.1.1. Master – Slave Network Setup 1. Disconnect the communication plug from the control box 2. Communication plug A, B, A, B is printed on the main PCB. When you connect the wires, please ensure connection of A to A and B to 3. - Page 38 Page 37 of 57 First unit Middle unit Last unit iii. Wire connection check 1) After the wire connection is completed, please check that the wire colours correspond. 2) Check the wire contact by using a multimeter. contact contact contact contact contact contact...
- Page 39 Page 38 of 57 Using Remote Control Handset to Set Master Control Unit: a) Connect all the units PCBs according to the wire color and type of connector. b) Select the master unit by setting DIPA‐S1 SW6 to ON (=1) in the PCB. c) Ensure the DIPA‐S1 SW6 is set to OFF (=0) in the PCB on each slave unit.
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Page 40: Master-Slave Communication Method
Page 39 of 57 E.1.2. Master-Slave Communication Method There are two modes for Master-slave structure. Global Control communication The Master unit will broadcast the settings to all slave units. During normal operation, slave units can receive commands from its local wireless handset and wall pad control panel. Upon reception of master global commands, all slave unit settings will be replaced by the master settings. -
Page 41: Unit Network Wiring Scheme
Page 40 of 57 E.2. Unit Network Wiring Scheme Wiring diagram for a master-slave network connection SK2016 HW-V-AECM-001... -
Page 42: Open Modbus Protocol
Page 41 of 57 E.3. Open Modbus protocol Transfer Mode: RTU, BAUD Rate: 9600bps, 8 data bit, 1 stop bit, None parity bit The communications require a delay of 80ms between reading an answer and sending the next °F command. All temperatures are equal to reading data*10 accuracy: 0.18 Supported Functions: Function Code Function Description... - Page 43 Page 42 of 57 Coils table: Description Address Type* Remark Unit ON/OFF 100000 Sleep mode 100001 Louver swing 100002 Reserved 100003 Reserved 100004 Reserved 100005 Reserved 100006 Reserved 100007 Reserved 100008 Reserved 100009 Reserved 100010 Reserved 100011 Reserved 100012 Reserved 100013 Reserved 100014...
- Page 44 Page 43 of 57 Holding Register table: Description Address Type* Remark Cooling mode = 01(H) Humidify mode = 02(H) Mode setting 300000 Fan mode = 04(H) Heating mode = 08(H) Auto mode = 10(H) Low speed = 04(H) Medium speed = 02(H) Fan speed setting 300001 High speed = 01(H)
- Page 45 Page 44 of 57 Input Register table: Description Address Type* Remark Dip switch 1 status 400000 Dip switch 2 status 400001 Room temperature sensor 400002 Ti1 temperature sensor 400003 Ti2 temperature sensor 400004 Bit0 = Room temperature sensor error Bit1 = Ti1 temperature sensor error Bit2 = Ti2 temperature sensor error Bit3 = Float switch error Bit4 = Indoor coil low temperature protection...
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Page 46: Control Specifications: Flexible Control Pcb - W Type Control
Page 45 of 57 F. Control Specifications: Flexible Control PCB - W Type Control Used in all High-Wall [V/P] ~W unit configurations. Ti1 = Chilled water coil temperature (10K) F.1. Definition of Input/Output Code 2-Pipe Analogue Input Chilled water Sensor Coil sensor Power input 24 Voltage input (NO). -
Page 47: Wiring Diagram Flexible Control Pcb - W Control Type
Page 46 of 57 F.2. Wiring diagram Flexible Control PCB - W Control Type SK2016 HW-V-AECM-001... -
Page 48: Onboard Configuration
Page 47 of 57 F.3. Onboard configuration There is 1 DIP switch set on the PCB: DIPB (4 positions) SW1: configured for different modulating signal SW2 – SW4: brushless DC fan motor configuration. Code State Description PCB configured for 0~5VDC modulating signal input. PCB configured for 0~10VDC modulating signal input. -
Page 49: Control Logics
Page 48 of 57 F.4. Control Logics Power On Setting When any fan speed is selected, the unit is turned on. When all of the fan speed inputs (H/M/L) are off, the unit is turned off. Swing / Louver When the unit is turned on, the louver will open to the largest angle at 100º, then move to the operating angle at 87 º. -
Page 50: Users Interface
Page 49 of 57 G. Users Interface G.1. Remote Control Handset Swing It is not available. Attention When unit with handset is the master unit, its settings are automatically sent to the slave units; Auto Cool‐Heat operation will be applicable in 4‐ pipe system only. -
Page 51: Wired Wall Pad
Page 50 of 57 G.2. Wired Wall Pad G.2.1. Wall Pad Display Attention Wall pad will recognize the main board model automatically whether it is 2‐pipe or 4‐pipe system. b. Auto Cool‐Heat operation is applicable in 4‐pipe system only. When the wall pad is installed the wall-pad temperature sensor automatically overrides the default return air sensor (attached near unit return air). European version only uses degree C setting. -
Page 52: Wall Pad Operation Guidelines
Page 51 of 57 G.2.2. Wall Pad Operation Guidelines a) Clock display and setting System has an accurate, internal, real time clock used for time indication and timer ON/OFF function. Clock display area indicates internal time clock which can be set by the buttons. - Page 53 Page 52 of 57 4) Upon completion of changing timer settings for the selected day, press button again to exit timer programming mode. The settings will then upload to the selected slave unit. The next day of the week’s settings can be done only upon completion of sending data to the slave units. (Repeat steps 1~4 if setting is required for the next day of the week).
- Page 54 Page 53 of 57 m) Networking Master - Slave Control (only master unit wall pad can control other units on the network) Press button to enter into networking control mode. Unit’s display area blinking indicates the slave unit under control. Press to select the desired slave unit;...
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Page 55: Ec Unit Rpm Setting
Page 54 of 57 G.2.3. EC unit RPM setting 1. Turn OFF the unit. 2. Open wall pad’s back cover, where two DIP switches can be seen. 3. Turn the DIP switch 1 to “ON” position. 4. Wired wall pad LED will display the following: This is the speed level setting. -
Page 56: Sensor Resistance R-T Conversion Table
Page 55 of 57 H. Sensor Resistance R-T Conversion Table Resistance : R (77°F) = 10KΩ ± 1% Beta Constant : B (25/85) = 3977 ± 1% Rmin Rnom Rmax Rmin Rnom Rmax (°F) (KΩ) (KΩ) (KΩ) (°F) (KΩ) (KΩ) (KΩ) 182.7 191.8... - Page 57 Page 56 of 57 Resistance : R (77°F) = 10KΩ ± 1% Beta Constant : B (25/85) = 3977 ± 1% Rmin Rnom Rmax Rmin Rnom Rmax (°F) (KΩ) (KΩ) (KΩ) (°F) (KΩ) (KΩ) (KΩ) 100.4 5.614 5.759 5.907 1.417 1.474 1.532 102.2...
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Page 58: Troubleshooting Guide
Page 57 of 57 I. Troubleshooting Guide SK2016 HW-V-AECM-001...
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