MDS Installation Page 1 Contents Introduction Outdoor Unit Installation Indoor Unit Installation Refrigerant Pipe Work Gas Charge Wiring Summary Page 2 Introduction Page 3 INSTALLATION Bad installation – System will not operate as per design Waste of Money Waste of Time Bad Image 3 Major Categories Unit Installation Piping Installation Wiring Installation Page 4 Outdoor Unit Installation Page 5 Outdoor Unit Installation Outdoor Unit Installation Sufficient area around the unit. No barrier for supply air and discharge air. Avoid discharge air return to the unit (Hot Air shortcircuiting) Strong foundation for the unit Page 6 Outdoor Unit Installation Handling Outdoor Unit Correct Page 7 Outdoor Unit Installation Handling Outdoor Unit Wrong Page 8 Outdoor Unit Installation Correct Page 9 Wrong Outdoor Unit Installation Page 10 Outdoor Unit Installation Outdoor Unit Spacing (Single Unit) Wall / Barrier lower than unit Wall / Barrier higher than unit Side View Page 11 Outdoor Unit Installation Outdoor Unit Spacing (Single Unit) Top View (Barrier higher than unit) Page 12 Outdoor Unit Installation Outdoor Unit Spacing (Single Unit) Top View (Barrier lower than unit) Page 13 Outdoor Unit Installation Outdoor Unit Spacing (More than 1 unit) Top View (Wall / Barrier restriction same as 1 outdoor unit) Page 14 Outdoor Unit Installation Outdoor Unit Spacing (More than 1 unit) Top View (Wall / Barrier restriction same as 1 outdoor unit) Page 15 Outdoor Unit Installation Outdoor Unit Spacing (More than 1 unit) Top View (Wall / Barrier restriction same as 1 outdoor unit) Page 16 Outdoor Unit Installation Outdoor Unit Foundation Floor location strength - Able to withstand the unit weight and vibration Page 17 Outdoor Unit Installation Outdoor Unit Foundation Layout for drainage, piping & cables - Different level, avoid blocking (Remove the panel before piping connection) Piping connection position Main and slave units must be installed in the same level A To units To units Bala nce pipe id p ipe B A >10mm B >200mm C >500mm D>100mm Liqu Gas Access valve for balance piping (φ9.52) Base panel hole pipe Tri-jiont Elbow For φ28.6mm gas pipe, directly connect to Tri-joint; For φ34.9mm gas pipe, add a reducer and a transition pipe C Conn e indo ct pipe or u nits to D Screw join t Balance pi pe φ28.6mm a transiton pipe (only for φ34.9mm gas pipe) Gas and liquid piping connection Page 18 Side panel hole Balance piping connection Outdoor Unit Installation Outdoor Unit Foundation Screw bolt required to further tighten the unit - Avoid the unit from falling due to earthquake Page 19 Indoor Unit Installation Page 20 Indoor Unit Installation Drainage Pipe Work Adjust the downward gradient Gradient of 1:100 or more Page 21 Indoor Unit Installation Drainage Pipe Work Group drain pipe Vent opening Clamp of drain pipe Gradient ≥ 1/100 ≥100mm Converged drain pipe Page 22 Indoor Unit Installation EXV Box Installation MUST install vertically upward Page 23 Unit and EXV Selection - 2006 Indoor Mode WMD 09G WMD 10G WMD 15G WMD 20G WMD 25G Page 24 Liquid Pipe Diamter (Inch) R22 R410A 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 3/8 1/4 MEX Model R22 R410A MEX-16-2SAP-B MEX-16-2SAP-B MEX-16-2SAP-B MEX-20-2SAP-B MEX-20-3SAP-B MEX-20-2SAP-B CKD 10C CKD 15C CKD 20C 1/4 1/4 1/4 1/4 1/4 1/4 MEX-16-2SAP-A MEX-16-2SAP-A MEX-20-2SAP-A CKD 20A CKD 25A CKD 30A CKD 40A CKD 50A 1/4 3/8 3/8 3/8 3/8 1/4 1/4 3/8 3/8 3/8 MEX-20-2SAP-A MEX-20-3SAP-A MEX-20-2SAP-A MEX-25-3SAP-A MEX-20-3SAP-A MEX-25-3SAP-A MEX-20-3SAP-A MEX-25-3SAP-A MEX-20-3SAP-A Unit and EXV Selection - 2006 Indoor Mode CCD 10C CCD 15C CCD 20C CCD 25C CCD 28C CCD 30C CCD 38C CCD 40C CCD 50C CCD 60C Page 25 Liquid Pipe Diamter (Inch) R22 R410A 1/4 1/4 1/4 1/4 1/4 1/4 3/8 1/4 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1/2 3/8 MEX Model R22 R410A MEX-16-2SAP-A MEX-16-2SAP-A MEX-20-2SAP-A MEX-20-3SAP-A MEX-20-2SAP-A MEX-20-3SAP-A MEX-25-3SAP-A MEX-20-3SAP-A MEX-20-3SAP-A MEX-25-3SAP-A MEX-20-3SAP-A MEX-25-3SAP-A MEX-20-3SAP-A MEX-25-3SAP-A MEX-25-3SAP-A CED 15E CED 20E CED 25E CED 28E 1/4 3/8 3/8 1/4 1/4 1/4 3/8 MEX-20-2SAP-A MEX-20-3SAP-A MEX-20-3SAP-A MEX-16-2SAP-A MEX-16-2SAP-A MEX-16-2SAP-A MEX-20-3SAP-A CED 40D CED 50D CED 62C 3/8 3/8 1/2 3/8 3/8 3/8 MEX-25-3SAP-A MEX-25-3SAP-A MEX-25-3SAP-A MEX-20-3SAP-A MEX-20-3SAP-A MEX-25-3SAP-A Unit and EXV Selection - New Indoor Mode WMD 09G WMD 10G WMD 15G WMD 20G WMD 25G Liquid Pipe Diamter (Inch) R22 R410A 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 3/8 1/4 R22 R410A MEX-15-2SAP-D MEX-15-2SAP-D MEX-15-2SAP-D MEX-18-2SAP-D MEX-18-2SAP-D MEX-18-3SAP-D MEX-22-2SAP-D CKD 10C CKD 15C CKD 20C 1/4 1/4 1/4 1/4 1/4 1/4 MEX-15-2SAP-C MEX-15-2SAP-C MEX-18-2SAP-C MEX-18-2SAP-C CKD 20A CKD 25A CKD 30A CKD 40A CKD 50A 1/4 3/8 3/8 3/8 3/8 1/4 1/4 3/8 3/8 3/8 MEX-18-2SAP-C MEX-18-3SAP-C MEX-24-3SAP-C MEX-24-3SAP-C MEX-24-3SAP-C Marketing Bulletin: MBA001-0801 Page 26 MEX Model MEX-22-2SAP-C MEX-22-2SAP-C MEX-22-3SAP-C MEX-22-3SAP-C MEX-22-3SAP-C Unit and EXV Selection - New Indoor Mode CCD 10C CCD 15C CCD 20C CCD 25C CCD 28C CCD 30C CCD 38C CCD 40C CCD 50C CCD 60C Page 27 Liquid Pipe Diamter (Inch) R22 R410A 1/4 1/4 1/4 1/4 1/4 1/4 3/8 1/4 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1/2 3/8 MEX Model R22 R410A MEX-15-2SAP-C MEX-15-2SAP-C MEX-18-2SAP-C MEX-18-2SAP-C MEX-18-3SAP-C MEX-22-2SAP-C MEX-22-3SAP-C MEX-24-3SAP-C MEX-22-3SAP-C MEX-22-3SAP-C MEX-24-3SAP-C MEX-22-3SAP-C MEX-24-3SAP-C MEX-22-3SAP-C MEX-24-4SAP-C MEX-24-3SAP-C CED 15E CED 20E CED 25E CED 28E 1/4 3/8 3/8 1/4 1/4 1/4 3/8 MEX-18-2SAP-C MEX-18-3SAP-C MEX-18-3SAP-C MEX-15-2SAP-C MEX-18-2SAP-C MEX-22-2SAP-C MEX-22-3SAP-C CED 40D CED 50D CED 62C 3/8 3/8 1/2 3/8 3/8 3/8 MEX-24-3SAP-C MEX-24-3SAP-C MEX-24-4SAP-C MEX-22-3SAP-C MEX-22-3SAP-C MEX-24-3SAP-C Marketing Bulletin: MBA001-0801 Indoor Unit Installation EXV Box Installation 3 types of mounting methods 1 3 Page 28 2 Indoor Unit Installation EXV Box Installation Page 29 Indoor Unit Installation EXV Box Installation Page 30 Refrigeration Pipe Work Page 31 Refrigerant Pipe Work Piping Installation Ensure piping is dry, clean and no air leakage Page 32 Refrigerant Pipe Work Piping Installation Nitrogen gas replacement Nitrogen gas pressure: about 0.02 MPa (0.2 kg/cm2, 2.8 psi) Page 33 Refrigerant Pipe Work Piping Installation Covering of refrigerant pipes - Prevent water, dirt or dust from getting into the pipes Pinching Taping Method Page 34 Refrigerant Pipe Work Piping Installation Covering of refrigerant pipes The spare pipe is also needed to cap the end cap the pipe end Indoor Outdoor Page 35 Refrigerant Pipe Work Piping Installation Covering of refrigerant pipes Page 36 Refrigerant Pipe Work Piping Installation Page 37 Connection Refrigerant Pipe Work Piping Installation Refnet & distributors joints to be install horizontally In ±15° In ±15° Page 38 Refrigerant Pipe Work Piping Installation Refnet & distributors joints to be install horizontally Page 39 Refrigerant Pipe Work Connection Type of Refnet Joint/Distributors Refnet Joint Page 40 Refrigerant Pipe Work Connection Type of Refnet Joint/Distributor Distributor Page 41 Refrigerant Pipe Work Connection Type of Refnet Joint/Distributors Page 42 Refnet Joint Distributor Refrigerant Pipe Work Connection Type of Refnet Joint/Distributors Refnet Joint Page 43 Distributor Refrigerant Pipe Work Thermal Insulation Work Insulation material must be able to withstand the pipe heat - Heat pump unit – heat resistance polyethylene foamed (> 120°C) - Cooling only unit – polyethylene (> 100°C) Insulation method Thickness of insulation Page 44 Refrigerant Pipe Work Thermal Insulation Work Both liquid and gas pipe MUST be insulated Insulation Finishing tape Liquid pipe Control wire Gas pipe Page 45 Refrigerant Pipe Work Thermal Insulation Work Wrong Method Page 46 Correct Method Refrigerant Pipe Work Thermal Insulation Work Insulation thickness Notes: • Page 47 Hot and wet environment, increase then thickness of the insulation Refrigerant Pipe Work Thermal Insulation Work Connection pipes should be properly fix Page 48 Gas Charge Page 49 Gas Charge Additional Refrigerant Charge The amount of additional charge must be determined by the equation with the total length of liquid pipe. After calculation, the amount of additional charge should be recorded to the reverse side of the of the outdoor unit control box cover. Put in liquid state refrigerant from the liquid port to connect the cylinder by using weight scale. Page 50 Gas Charge Additional Refrigerant Charge (R22) The equation of additional refrigerant charge Pipe Diamater (mm) Additional Charge (g/m) 6.35 9.52 12.70 15.88 19.05 50 80 120 180 290 Additional Charge Amount = (Ø15.88 liquid pipe length x 180g/m) + (Ø12.7 liquid pipe length x 120g/m) + (Ø9.52 liquid pipe length x 80g/m) + (Ø6.35 liquid pipe length x 50g/m) Page 51 Gas Charge Additional Refrigerant Charge (R410A) The equation of additional refrigerant charge Pipe Diamater (mm) Additional Charge (g/m) 6.35 9.52 12.70 15.88 19.05 45 70 120 180 260 Additional Charge Amount = (Ø15.88 liquid pipe length x 180g/m) + (Ø12.7 liquid pipe length x 120g/m) + (Ø9.52 liquid pipe length x 80g/m) + (Ø6.35 liquid pipe length x 50g/m) Page 52 Wiring Page 53 Wiring Standard length 10 meter ID PCB MC301 controller Connection between ID PCB & MC301 Page 54 Credit Card controller Wiring RECEIVER Page 55 Wiring Wiring Design All wires and accessories must be tested beforehand All electric work must be done by licensed electrician Wiring connection should be referred to the installation manual Breaker and fuse should be set on each outdoor unit Page 56 Wiring Communication Wires Twisted pair wired with shielding (20AWG) - Shield wire to be earth on 1 end of the network - Connected serially to the adjacent unit (Daisy Chain Connection) - Same polarity between units (A-A, B-B) Wire Limitation (Units in meter) • PC to Gateway – 2m (RS232) • 1st Outdoor to Last Outdoor < 1000m (RS485) • Outdoor to Last Indoor < 1000m (RS485) Page 57 Wiring Communication Wires Outdoor unit Indoor unit Wired R.C Page 58 Wiring Communication Wires System wiring Page 59 Jumper JP7 need to be shorted for the final indoor unit Wiring Communication Wires System wiring Ain = Terminal 30 Bin = Terminal 31 APC = Terminal 32 Page 60 BPC = Terminal 33 Wiring MDS080~240 Ain Bin Apc Bpc OD PCB B A Page 61 ID PCB Wiring Communication Wires System wiring Page 62 Jumper JP7 need to be shorted for the final indoor unit Wiring MDS260/280/300/320 Ain Bin Apc Bpc + MDS120/150/160BRM Ain Bin Apc Bpc MDS130/150/160BRS Indoor Units Page 63 Wiring Central Controller (For R410A MDS Indoor only) PCB: MC200-C & MC201-C Page 64 Wiring Central Wired Controller • Group control for 32 unit. • Group Control setting: On/Off, Temperature, Operating mode, Fan speed, sleep mode and timer On/Off • Single unit operation setting: On/Off, Temperature, Operating Mode, Fan speed and sleep mode. • Timer setting: timer on/off all units. • Display Circularly: display each unit temperature, mode, fan speed, running and fault code one by one. • Real time clock: Required battery to maintain the time if no power supply. Page 65 Wiring Central Wired Controller MC200-C – M5WMD20/25G MC201-C - Others 220-240V / 1P / 50Hz MC200-C / MC201-C Page 66 MC200-C / MC201-C MC200-C / MC201-C Wiring Central Wired Controller Installation Dimension Page 67 Wiring RS485 Gateway Ain Bin Apc Bpc RS232 Computer 1. Display ID status & error history 2. Monitor & Control 3. Daily, Weekly & Holiday timer setting Outdoor units Page 68 Indoor units Wiring Communication Wires Necessary distance from communication wires to the power supply cable Current of power supply ≥ 100V Parallel distance (d) ≤ 10A 300mm 50A 500mm 100A 1,000mm ≥ 100A 1,500mm Problem may happen due the electromagnetic interference if the communication line is too close with the power cable. Page 69 Summary Page 70 Summary 3 basic rules of refrigerant pipe work : - Dry, Clean and air tight Both liquid and gas pipe should be insulate separately The communication wires must be in the same polarity DO NOT wrap the power cable and communication wire together Page 71 The End Page 72