INSTALLATION OPERATION AND SERVICE MANUAL
Contents
1. 3 4 hot water outlet m G3 4 chilled water outlet 9100 Branch duct ce Ww j Drainage 18 _ 25 d Tss 11 J ES E 63 4 chilled water inlet Hole is for external drain pan 30 M Fresh air flange BS JM gt gt lt 12405680 Mounting brackets bY b b 11408580 HVDRONIC CASSETTE 42 VALVE INFORMATION Valve Dimensions mm Valve Model V41T 3 Wav 4 Valve Differential Pressure Chart 1 5 2 9 KV m3 h DN 3 4 KV 1 6 DN 1 2 KV 1 0 HVDRONIC CASSETTE 43 T Dimensions mm 015 V41D158160 G1 2 47 19 5 D20 415 2 Way Valve Differential Pressure Chart 120 100 80 60 AP KPa 40 20 0 0 5 1 1 3 2 5 3 DN 3 4 KV 2 5 9 DN 1 27 KV 1 6 HVDRONIC CASSETTE 44 REMOTE CONTROL HANDSET WIRELESS LCD HANDSET DISPLAV Cool Dry Fan Heat Signal DE Louver Clock gt BH ON Timer Owor2. an ws oe 45 40 1176 4 17 28 5 714 8 29 6 12 65 3 43 30 6 10 5 3 06 31 6 8 35 Tas aor 25 53 43 zs e ss ms mos _ so ao 15143 26 om 138 mo sa Toor Too az ar 38 1098 325 7 3 63 3 46 30 9 3 15 2 58 2 82 32 9 2 06 70 we rss ses 17 e 85 oo Air in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement HVDRONIC CASSETTE 13 two qa Pr Tae ow dew Tad Pr Pt ow m wes c in ww m KPa eso 2r em ms asr 14 294 516 vo a or om w sm ss om 1862 io es sss 89 roo ss err 8 ovr om ror 309 60 K re wa wa ur s sa n em me m 1100 6 50 39 6 617 11 5 5 96 40 8 10 3 625 41 7 557 9 52 5 82 42 6 8 74 Air in temper
3. lt 112 146 7 G3 4 hot water outle 63 4 chilled water inlet Hole is for external drain pan 750 Fresh air flange lt gt 1 580 632 Mounting brackets 1140 1240680 11405580 HVDRONIC CASSETTE 41 PCG 12 16 PS li 1 1 1 SI 72 7 2 I ANT TI S TI 01 i II H L EN TES ti ejt ZID ze L 7 U 880 1240
4. m n n n om er e s er m ps n o nm nn en nn n n mn Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement HVDRONIC CASSETTE 10 ETHVLENE GLVCOL SOLUTIONS Adding Ethvlene Glycol to the water system so as to multiply the performance figures by the values given in the following table Freezing point 25 Percentage of ethvlene glvcol weight K 12 20 28 35 40 _ 0 985 0 965 122 cPf correction factor cooling capacitv correction factor flow rate cdp correction factor pressure drop HVDRONIC CASSETTE 11 HEATING CAPACITV TABLES 06 5 TAI 18 TAI 20 TAI 22 24 Twi Two qa Pf Tad Pf Tad Pf Tad Pf Tad dPw C m3 h Fe sa o Taw araw nr is 45 40 2 12 1 92 29 1 1 74 1 73 30 2 1 44 1 54 31 3 ses me nas vor ie vo o var ua 190 204 284 ws oser vss wes 0487
5. 0 Sa 65
6. 2 are turned on Indoor fan runs at set speed If Tr Ts cool operation is terminated MTV1 and 2 are turned off Indoor fan runs at set speed The range of Ts is 16 30 C Indoor fan speed can be adjusted for low medium high and auto When turned on MTV1 requires 30 seconds before it is fully open When turned off MTV1 requires 120 seconds before it is fully closed When the unit is turned off indoor fan will delay for 5 seconds before it is turned off LOW TEMPERATURE OF INDOOR COIL 1 If 11 2 C for 2 minutes MTV1 and AUX2 are turned off If indoor fan is set for low speed it will run at medium speed If it is set at medium or high speed it will keep running at the same speed 2 fTi1 5 C for 2 minutes MTV1 and 2 are turned on Indoor fun runs at set speed FAN MODE 1 Indoor fan runs at the set speed while heater 1 MTV2 AUX1 and AUX2 are turned off 2 Indoor fan speed can be adjusted for low medium and high HVDRONIC CASSETTE 52 HEAT MODE gt lt QN HEAT MODE WITHOUT ELECTRICAL HEATER MTV1 AUX2 and heater always off If Tr lt Ts 1 C or 4 C if economy contact is activated heat operation is activated 2 and 1 are turned on Indoor fan runs at the set speed If gt Ts heat operation is terminated MTV2 and AUX1 are turned off Indoor fan repeatedly runs at low fan speed for 30 seconds and stops for 3 mi
7. 274 STEP remove the finger guard bv removing 4 screws IMAM 1111 3 STEP remove the finger guard and Venturi 4 STEP remove fan blower using a spanner jin 5 STEP remove the motor bv removing 4 bolts and disconnect fan motor wire connector HVDRONIC CASSETTE 33 HOW TO FIX CONDENSATE PUMP AND INTERNAL VALVE 1 STEP remove the grill 274 STEP remove the front panel by removing 4 screws 3 STEP remove the front panel by disconnecting 4 STEP removing the drain pan fixture by stepping motor and IR receiver removing 8 screws 5 STEP remove the drain pan fixture and 6 STEP remove the drain pump or valve internal drain pan HVDRONIC CASSETTE 34 HOW TO FIX CONTROL BOX 1 STEP remove the grill 274 STEP remove the front panel by removing 4 screws 3 STEP remove the front panel by disconnecting 4 STEP remove 2 screws on the control box stepping motor and IR receiver 6 STEP Remove the terminal cover by removing 4 5 STEP sliding out the control box screws and unplug the wiring on the terminal And replace with a new control box HVDRONIC CASSETTE 35 HOW TO INSTALL ELECTRIC HEATER 3 STEP remove the front panel by 4 STEP remove the drain pan fixture by removing 8 disconnecting stepping motor Screws and IR receiver gt 5 STEP remove internal drain fixture and 6 STEP slide in the insulated ring of the electric
8. bnien Bureau HVDRONIC CASSETTE 62 MALFUNCTION CAUSE REMEDY Check for presence of voltage The fan coil does No voltage not start up Mains switch in the OFF Place in the ON position Faulty room control Check the room control Faulty fan Check fan motor Insufficient output Filter clogged Clean the filter Air flow obstructed Remove obstacles Room control regulation Check Incorrect water temperature Check Air present Vent Noise and vibrations Check Contact between metal parts Loose screws Tighten screws HVDRONIC CASSETTE 63 Appendix MASTER AND SLAVE UNIT FUNCTION The control PCB can be set either as a master unit or slave unit 2 A 1 MASTER UNIT FUNCTION a The master unit sends data on its setting to the slave unit b The master unit settings are Unit ON OFF Mode Fan Speed Set Temperature Swing Function and Sleep Function for handset operation C The master unit settings are Unit ON OFF Mode Fan Speed Set Temperature Swing Function Sleep Function and Weekly Timer ON OFF program for wall pad operation 2 A 2 SLAVE UNIT FUNCTION a The slave unit receives data on its settings from the master unit b The slave unit is allowed to change to a locally desired setting by local controller as long as there are no subsequent changes to the settings of the master unit C The slave units can be set individually for timer on and off function
9. Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement HVDRONIC CASSETTE 9 PCG 12 PS TAI DB24 C WB17 4 C TAI DB27 C WB19 C TAI DB27 C WB19 5 C TAI DB28 C WB21 Cw r Pe e ron on rm or 1 e m m r m rmn ero Ow Le few e pe pre m ow wr e De re m mp e De pen m prom e em m s om es ar pen pn m m m e m n rm m n n mn m em per m n m en ner n unm a rr pr o rns a se rs en s am or pr ee oo oer o ne m m er me rm m e n n mn Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement Cw r Pe e ron on n m or 1 e m m m tow nn Ow Le epp e pepe mw pe pre mr we epe m rome pem m fen ee e om e n e m en n or pm nn m n n rw zm ee es en m n n vr om en
10. e A A Operation Control amp Thermostat Remote Control Handset amp Wired Wall Pad 733 901 1043 571 617 677 Cooling Water Pressure Drop kPa 12 0 14 7 27 8 22 4 29 0 8 7 10 120 Cooling Water Content 1 36 1 91 1 90 Heating Water Content 0 86 0 86 0 86 Cooling Capacitv Sensible Cooling Capacitv 124 0 64 1 77 Cond Drain Connection 19 05 3 4 585 585 1140 1140 1140 585 585 580 580 580 Dimensions 290 250 290 680X 124028 52 59 Connection Method Socket Threaded Female Water In 19 05 3 4 5 Connection 3 1 mm i 19 05 3 4 Cooling 27 C db 19 C wb entering air temperature 7 C entering water 12 C leaving water temperature with water flow rates as above Heating 20 C db entering air temperature 70 C entering water temperature and 60 C leaving water temperature HVDRONIC CASSETTE 6 PS 4 PIPE SERIES 5 SPEED SPECIFICATIONS M hr mem e 526 4 w Total flow Cooling Capacity Sensible Cooling Capacity Heating Capacity Fan Wor Powe w 5 Operation Control amp Thermostat Remote Control Handset amp Wired Wall Pad Dimensions Pavel Dimensions OWA Gwswim 3 3 s Connection Method 2009 Socket Threaded Female Water Cooling 27 db 19 C wb entering
11. I OFF set Temperature HVDRONIC CASSETTE Adjust Set Temperature Press down or up button to decrease or increase the desired room temperature Note Temperature can not be set in Fan mode Mode Press this button to advance the mode in the following sequence Cool Dry Fan Heat Auto Cool Hea Both Cool and Heat MODE TIMER FUNCTION ON CANCEL OFF Fan Press this button to advance the fan speed as follows Auto Low Medium High Under mode low medium and high are available Under mode fan speed will be inhibited and will not be displaved On Timer First press shows the last timer setting subsequent pressing will change the timer setting in 1 minute intervals Hold down the On button continuously to increase the updating speed Cancel Timer Press this button to cancel all timer settings 45 Sleep Press to activate the energy saving Sleep function which automatically adjusts the temperature to provide a more comfortable sleep ie for use in bedrooms On Off Press to switch on or off the air conditioner Louver Press this button to change louver angle to a fixed position 1 2 3 4 auto sweep or stop Swing Press this button to turn on or off swing function Clock Press down or up button for 2 seconds to activate The current clock setting will decrease or increase at 1 minute intervals on
12. internal drain pan heater to the electric heater mounting shown above HVDRONIC CASSETTE 36 7 STEP slide in the rest insulated rings of the 8 STEP Plug in the electric heater wiring to the electric heater to the electric heater connector shown above mounting shown above HVDRONIC CASSETTE 37 EXPLODED VIEW DRAWING PCG 06 08 PS 02 3 way 4 ports valve optional G3 4 04 fresh air flange optional 10 electrical heater optional 05 04 non return valve 13 drain pan fixture 18 01 stepping motor 2 corotation 18 02 motor 2 reversion 08 04 terminal block HVDRONIC CASSETTE 38 PCG 09 12 16 PS Ol casing 08 05 PCB 02 3 way 4 ports valve optional G3 4 08 05 01 chilled water coil temperature sensor 03 mounting brackets 08 05 02 hot water coil temperature sensor O4 fresh air flange optional 08 05 03 room temperature sensor 05 Condensate water pump 09 motor with capacitor 05 01 pump body 10 electrical heater optional 05 02 float switch 11 fan blower 05 03 flexible hose 1 12 drain pan with 3mm insulation 05 04 non return valve 13 drain pan fixture 05 05 flexible hose 2 14 finger guard 05 06 drainage head 15 Venturi 17 18 08 control system 08 01 back of control box 18 02 stepping motor 2 reversion 18 03 IR receiver 19 external drain pan HVDRONIC CASSETTE 39
13. 162 1688 0357 so 40 ee oar 19 or n ves rse wa ose 1 98 26 3 170 0 53 29 4 154 0 445 1 61 30 4 136 0 362 1 42 31 4 122 0 279 Air in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement PCG 08 PS TAI 18 C TAI 20 TAI 22 TAI 24 fus as 2m mus ses vor ons ver az 159 2 ue 10 1 2 9 mm 38 ue vs om iss 25 18 ar me 58 26 7 2 18 27 9 166 9 0 7 1 96 29 1 166 1 74 30 3 149 1 so ao ave ve 1 1 om o uer vo onn ses 9 os 170 se 10481 04 sr pas m 25 49 ser om 22 12 suara 70 60 4 22 36 5 37 6 3 73 39 7 319 1 65 3 46 41 8 Air in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement HVDRONIC CAS
14. DIMENSIONAL DRAWINGS 1 1 i I E TES I IL NS je wx l Z I CE N NN SS LZZ sil p lE 1 080 G3 f hot water outlet 160 50 034 80 water outlet 118 y i UD IL c 4 SS cP Drainage RN G3 A hot water inlet G3I4 chilled water inlet Hole is
15. air temperature 7 C entering water 12 C leaving water temperature with water flow rates as above Heating 20 C db entering air temperature 70 entering water temperature and 60 C leaving water temperature HVDRONIC CASSETTE 7 Fin Length mm Fins per No of No of Tube inch rows circuits M COIL DATA COOLING PCG 06 08PS 250 1176 1277 13 2 3 W PCG 09 PS 2148 2286 OI U E PCG 12 16 PS 2148 2286 13 2 Fin Length mm Fins per No of No of Tube inch rows circuits mc PCG 06 0895 250 1176 1277 13 1 3 2 PCG 09 PS 2148 2286 105 w PCG 12 16 PS 2148 2286 13 1 COIL DATA HEATING COOLING CAPACITY TABLES Cw r Pe IIIA m or 1 e m rm n Ow IE ps pee mw we e prem wwe epe m rome pem m n s rr ow em m e n or rm m m n m nm n m n s ee oer em n pen em m m 2m n s pm m o pm nn n pem pn m n m e e er e pm m m em e m nm ne m ve e om mr rm en om oe Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb
16. failure Blink 4 times stop 3 sec HVDRONIC CASSETTE 57 For unit with wall pad Error message can be found in both LED lights on unit bodv please refer to table 1 and wall pad error indication Please refer to page 49 Error Indication Note If the address of slave unit is not set refer to appendix LED lights and Wall pad of the master unit will not show the status of the defective slave unit Without Master Slave connection For unit with handset Table 2 For unit with wall pad only Error message can be found in both LED lights on the unit bodv please refer to table 2 and on the wall pad error indication Please refer to page 49 Error Indication HVDRONIC CASSETTE 58 SENSOR RESISTANCE R T CONVERSION TABLE R25 10K Q1 B25 85 39774190 Rmin Rnom Rmax KE p P 0 m Ky J 0 O Km 30 174 182 7 191 8 S T aso B 9 1694 115 1799 5 2485 2559 2634 8 1536 1611 1689 6 2365 2435 2505 6 1358 1422 1489 8 2145 2206 2268 L 25 1278 1981 MO 1 9 2101 2159 _ L9 stis 5312 5506 25 06 10 42 _ 8 4851 503 5214 26 9374 957 976 2 7 4598 476 4937 27 8969 916 9351 6 4361 4517 4677 28 8584 877 8 957 0 3193 3297 3402 234 6 633 6794 6 56 3 274 22 2915 37 585 6 6151 HVDRONIC CASSETTE 59 R25 10 041 B25 85 3977
17. motor high speed MF Fan motor medium speed LF Fan motor low speed AUX1 Heating auxiliary contact AUX2 Cooling auxiliary contact PR O Remote on off contact CN1 2 Stepping motor CN3 Wall pad CN4 Hot water coil temperature sensor 4 pipe CN5 Coil temperature sensor CN6 Return air sensor CNT ID receiver display jil UNE T 8545 emote receiver displav room temperature cool pipe temperature hot pipe temperature 1 B B wall pad dund step moters 4 L d _ j l S Ae 83 5 Eod step moter1 2 TOO ODE 111 LLILLILLLI for electrical heater HVDRONIC CASSETTE 61 MASTER SLAVE CONTROL WIRING DIAGRAM Master unit TO slave unit A gt gt mini 48 L al a _ nannanan d gt gt gt KO tl 6diq NO 1 Il Ifl 8 Il Ie E remote displav 1 CN7 52 CN 52 51 room temperature L CN6 JCN6 cool pipe temperature L CN5 E CNS hot pipe temperature 4 CPU CN4 CPU wall pad step moter3 4 step moter1 2 ig E 1 OE 20909 8 88 TEIE TEEN
18. temperature Note Design and specification are subject to change without prior notice for product improvement HVDRONIC CASSETTE 8 PCG 08 PS TAI DB24 C WB17 4 C TAI DB27 C WB19 C TAI DB27 C WB19 5 C TAI DB28 C WB21 Cw rm IIIA m or e m m r m rmn ero Ow IE epe pe m wr e De re m mp e De pen m prom e em m Eme sr ee e pen m ar m er en rnm om m m m o 92 Fe per e e per em pm m m pm m ws m re ve re oer um 22 ee e 6 sere 20 wees e e or Fes vi eee er nome o e e ox me 2 ze sm v v os Fee ree ro en es 56 nn m e om m ns n e Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement Cw r Pe e ron on m or 1 e m m r Pe m rmn n Ow IE epe pe mw we pe pre pr epe m rome em m e s ee s m per om oo en e em em e or en nn Air in temperature Fluid in temperature
19. 1 4 769 4 901 5 034 1 241 1 292 1 344 195 4 6 48 46 80 120 125 132 49 3618 3728 384 86 09891 1 02 107 52 3 25 3320 343 89 0 8998 0 9401 0 9818 53 3 105 3 04 3305 90 0821 0915 0 9522 59 2483 2568 2655 9 07250 0 7599 0 7953 60 2394 2477 2562 97 07043 07376 07722 61 2 09 239 2472 98 0686 0 7161 0 7499 62 2227 236 236 99 06635 0 6953 0 7283 __6 1931 2002 205 103 059 069 0 6491 68 16801 1868 1 937 105 05569 05846 0 6134 69 1739 1805 1872 70 168 1744 181 J D 71 162 1686 175 o o o o 72 1569 163 1692 7 24 73 15106 156 1637 74 146 1524 1563 1 HVDRONIC CASSETTE 60 CONTROL AND POWER SUPPLV WIRING DIAGRAMS DIP SW1 5 Set slave address DIP SW6 Close for masrer open for slave TERMINAL DIP 5 7 8 Set cool heat EH configura tion DIP B SW1 Close for window contact open for economy mode DIP B SW2 Close for 4 pipe open for 2 pipe DIP B SW3 Close for 36 preheat tempera ture open for 28 preheat temperature DIP SW4 Close for with MTV open for without MTV DIP B SW5 Reserve DIP SW6 Close for last unit on 5485 communication bus LAN Power supply VALVE1 Valve VALVE2 Valve Hot water WP Drainage pump HF Fan
20. CASSETTE 18 OPENING DIMENSIONS AND POSITIONS FOR SUSPENSION BOLTS 2 3 4 10 11 Mark position of suspension rods water lines and condensate drain pipe power supplv cables and remote control cable Supporting rods can be fixed depending on the tvpe of ceiling as shown in Fig 7 and Fig 8 Fit suspension brackets supplied with the unit to the threaded rods Fig 9 Do not tighten nuts and counter nuts this operation has to be done oniv after final leveling of the unit when all the connections have been completed Wooden structure Concrete x Washer suspension rods M8 a Washer Fixing on cement ceiling Fixing on wooden beam Counternut Ensure the ceiling is horizontally level otherwise condensate water cannot drain The casing is fixed to the slab with 4 drop rods The rods should have two nuts and washers to lock the unit in position The Cassette brackets will then hook over the washers When lifting the Cassette into position care should be taken not to lift the unit by the drip tray which could be damaged Lift unit without the air panel with care by its four corners only Do not lift unit by the condensate drain discharge pipe or by the piping connections Incline unit Fig 10 Fig 11 Fig 13 Fig 14 and insert it into the false ceiling Insert the rods into the bracket slot With minimum height see table false ceilin
21. INSTALLATION OPERATION AND SERVICE MANUAL PCG PS SERIES 4 PIPE HYDRONIC CASSETTE AIR CONDITIONERS 2010 1 0 INVESTING IN QUALITV RELIABILITY amp PERFORMANCE ISO 9001 QUALITY 4 Everv product is S manufactured to meet the N 1960 stringentrequirements of the internationally rn o 9 0 0 1 recognized ISO 9001 standard for qualitv FIRM assurance in design development and production CE SAFETY STANDARDS All products conform to the Certificate Europe directives Machinery Safety Electromagnetic Compatibility and Low Voltage as required throughout the European Community to guarantee correct standards of safety WEEE MARK products conform to the weee directive to guarantee correct standards of environmental solutions ALWAYS MAKE SURE THAT THIS MANUAL REMAINS WITH THE PCG VS WATER CASSETTE READ THIS MANUAL BEFORE PERFORMING ANY OPERATION ON THE PCG VS WATER CASSETTE World Leading Design and Technology Equipped with the latest CAD CAM computer aided design and manufacturing technology our factories in China and Thailand produce over 2 000 000 air conditioning units each year all conforming to the highest international standards of quality and safety The Highest Standards of Manufacturing In order to guarantee the very highest standards and performance we manage every stage in the manufacturing of our products Throug
22. SETTE 12 qa Pr Pr 199 aw Pr Ow Pr Tas Qw m ew m c n aw 422 vss 36 sar scr so 107 soo te ms 83 is 40 9 125 sez ms mo a7 ms farse _ ss nz sz 222 sor sm 205 sos mo oon 2 om s 25 jaw 2 o zer jaw ese area 35 ase 1267 soo sus 246 28 eu zs vor rer few em em em os Tios ro ror mer sus ar sm 1597 68 6 46 558 6 10 2 5 57 44 3 537 5 27 44 9 5 61 45 5 Air et Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement PCG 12 PS TAI 18 C TAI 20 TAI 22 C 24 as Pr Pr Tad Ow aew Pr Pr Tas ow wa
23. SS AIR VENT AND WATER PURGE HOW TO CONNECT NON DEFAULT FAN SPEED HOW TO FIX THE MOTOR AND FAN BLOWER HOW TO FIX CONDENSATE PUMP AND INTERNAL VALVE HOW TO FIX CONTROL BOX HOW TO INSTALL ELECTRIC HEATER EXPLODED DRAWINGS WITH PARTS DESCRIPTIONS DIMENSIONAL DRAWINGS VALVE INFORMATION REMOTE CONTROL HANDSET WIRED WALL PAD CONTROL CONTROLS SPECIFICATION WITH MASTER SLAVE CONTROL SENSOR RESISTANCE R T CONVERSION TABLE CONTROL AND POWER SUPPLV WIRING DIAGRAM MASTER SLAVE CONTROL WIRING DIAGRAM TROUBLE SHOOTING APPENDIX 1 MASTER SLAVE COMMUNICATION SETTING Il 13 14 36 14 14 15 15 16 17 18 20 21 21 21 22 23 23 24 24 25 26 2 28 28 29 30 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 49 50 57 58 59 60 61 62 63 65 HVDRONIC CASSETTE 4 CASSETTE MODEL ASSIGNMENTS 230V 1PH 50HZ CHILLED HOT WATER 4 PIPE 06 NOMINAL 3 24 KW 08 NOMINAL 3 60 KW 09 NOMINAL 415 KW m NOMINAL 5 10 KW NOMINAL 5 90 KW PCG HYDRONIC CASSETTE G SERIES HVDRONIC CASSETTE 5 PCG PS 4 PIPE SERIES 3 SPEED SPECIFICATIONS x No Pecos 608 99 612 PCG 16 Number Of Blowers Single Twin Twin Twin 1098 1296 1650 924 1176 1300 Total flow m hr 858 1098 1100 4 15 5 10 5 90 3 23 4 70 4 80 kW 3 06 3 95 3 65 3 82 4 40 4 93 3 16 4 04 4 31 kW 2 98 3 54 3 56 6 67 7 20 7 90 5 85 6 60 6 95 Heating Capacity 7 KW 5 57 5 95 5 96 40 38 32 43 42136 48 44 38 230 1 50 w s
24. Switch A and one with 6 Dip switches which named as DIP Switch B For master slave connection setting please refer to Appendix DIP Switch A SW1 SW6 is used for master slave address setting DIP switch address setting 1 for ON 0 for OFF SW7 0 __ O Coolingony Cool primarv heater DIP Switch B is used for model configuration as follow DIP switch setting 1 for ON 0 OFF W1 PR O contact setting Window contact W2 System setting 2 pipes system 4 pipes system SW3 Preheat setting 28C 36C WA lt TV setting applicable to 2 pipes system only ithout motorized valve ith motorized valve W5 Reserved W6 RS485 termination setting ther than below ast unit on RS485 communication bus DJO HVDRONIC CASSETTE 28 MOUNTING FRONT PANEL ASSEMBLV 1 return from front panel 2 Move the front panel to casing 3 Tighten 4 screws as shown in Fig 28 29 Fig 29 FILTER REMOVAL 1 Unlock the two fasteners on the front panel 2 Open the grille downward with care 3 Pull the filter out along the slot 4 Clean the filter and reassemble PCG 06 08 PCG 09 12 16 HVDRONIC CASSETTE 29 PRELIMINARV CHECKS BEFORE START UP 1 The unit should not be started up until the system piping has been cleaned and all the air has been purged 2 Check condensate drain pipe slope 3 After you have connected th
25. TER CONNECTIONS The hydraulic connections of the PCG unit is 3 4 water connection with gaskets it is advisable to tighten the gaskets with a spanner For piping dimensional drawing please refer to DIMENSIONAL DRAWINGS VALVE CONFIGURATION There are two types of valve configuration for PCG cassette a Internal integrated valve and b external valve a Pre installed 2 way and 3 way integrated valves Fig 17 Fig 17 Tvpe Integrated valve information PCG 06 08 2 way amp 3 way PCG 09 12 16 2 way amp 3 way please refer to VALVE INFORMATION HVDRONIC CASSETTE 22 b External valves Replace integrated valve with plug and plav replacement connector Procedures 1 Before connecting water supplv to the PCG cassette First remove the integrated valve using spanner 2 Replace with plug and plav connector Fig 18 3 Connect the external valve directly onto the cassette Disable integrated valve functionality using valve cap Procedures 1 Remove integrated valve actuator by pressing on both sides Fig 19 2 Place the valve cap onto the valve Fig 20 3 Connect the external valve directly onto the cassette Fig 20 Fig 19 HVDRONIC CASSETTE 23 EXTERNAL DRAIN PAN Procedures Align the two 2 screw holes in the fixing plate to the two 2 holes the external drain pan Fig 21 sure the drain pan is horizontal Tighten the two screw
26. WN 1 Prior to restarting the unit 2 Clean or replace the air filters 3 Check and remove any obstruction from the external drain pan and the internal drain pan EXTRA MAINTENANCE The electrical panel is easily accessible by removing the cover panel The inspection or replacement of internal components such as heat exchanger coil condensate Drain pump float switch involves the removal of the condensate drain pan See Fig 20 25 During the removal of the condensate drain pan protect the floor under the unit with a plastic sheet from condensate water that could be spilled 5 Remove fixing screws of the drain pan fixture and remove condensate drain pan with care The appliance is intended to be maintained by qualified service personnel and located at a height of not less than 2 5m m a HVDRONIC CASSETTE 30 HOW TO ACCESS AIR VENT AND WATER PURGE 2 STEP release the air vent water purge 1 STEP remove the grill air vent and water purge by loosen the screws are located at the pointed area HOW TO CONNECT NON DEFAULT FAN SPEED 3 STEP remove the finger guard and venturi 4 STEP Fan speed terminal is located in the area inside the red rectangle HVDRONIC CASSETTE 31 5 STEP change the fan speed wiring according to below wiring diagram cap BLUE GREEN RED ORANGE BROWN YELLOW NEUTRAL Lowest Low Medium High Highest HVDRONIC CASSETTE 32 HOW FIX THE MOTOR AND BLOWER
27. all pad will globally broadcast v Master unit that does not use LCD wall pad will globally broadcast Note When button pressing is effective master unit buzzer will beep twice and slave unit beeps once DRAIN PUMP Drain pump turns on if thermostat cut in during cooling or dehumidification cooling cycle It will remain on for at least 5 minutes after thermostat cut out During mode change from cooling to non cooling mode water pump will on for minimum 5 minutes Warning turn off the system by circuit breaker or main power supply the drain pump does not work after turn off FLOAT SWITCH Float switch open before turning on If float switch is opened before the unit is turned on MTV1 is off Drain pump and indoor fan will operate After float switch is closed is on Float switch is opened when unit is on If float switch is opened continuously 5sec drain pump will work and MTV1 cut off When the float switch is closed the drain pump will run for additional 5 minutes If the float switch is opened for 10 minutes continuously MTV1 will remain off Indoor fan runs at set speed and system report error Float switch is opened when unit is off If the float switch is opened the drain pump will work When the float switch is closed the drain pump will run for additional 5 minutes If the float switch is opened for 10 minutes continuously system report error ELECTRIC HEATER SAFETY SWITCH Before the ele
28. ation process AUTOMODE 1 If current running mode is auto cool mode it will change over to auto heat mode upon satisfy all the conditions below gt Ts Tr 1 0 C or 4 C if economy contact is activated gt MTV1 has stopz 10 min 2 If current running mode is auto heat mode it will change over to auto cool mode upon satisfy all the conditions below gt Tr Ts 1 0 C or 4 C if economy contact is activated gt MIV2 has stopz 10 min Note Auto cool or auto heat operation are the same as cool or heat mode respectively SLEEP MODE a Sleep mode can only be set in cool or heat modes only b In cool mode after sleep mode is set the indoor fan will run at low speed and Ts will increase 2 during 2 hours c In heat mode after sleep mode is set the indoor fan will run at set speed and Ts will decrease 2 during 2 hours d Changing of operation mode will cancel sleep mode The cool mode sleep profile is Set temperature 2 0 5 1 0 15 0 5 5 Hour Sleep on Sleep off The heat mode sleep profile is Set temperature Sleep on Sleep Hour Ts 0 5 Ts 1 0 Ts 2 0 HVDRONIC CASSETTE 54 AUTO FAN SPEED In cool mode the fan speed cannot change until it has run at this speed for more then 30 seconds Fan speed is regulated according to the profile below Tr Ts 3C Ts Ts 1C Ts 2C Ts 3C SWING LOUVER For remote handset Whenever indoor fan is run
29. ature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement HVDRONIC CASSETTE 14 THE INSTALLATION MANUAL HOT 8 CHILLED WATER SVSTEM AIR CONDITIONERS First check the contents of the package FACTORV SUPPLIED ACCESSORIES Check to ensure all factorv supplied accessories are supplied with the unit FACTORV SUPPLIED ACCESSORIES MOUNT LCD Remote control Mounting Bracket Alreadv on the unit d Installation manual Batteries External drain pan D The appliance should be installed in accordance with national wiring regulation SAFETV CONSIDERATIONS 1 When working on air conditioning equipment observe precautions in this manual and on plates and tables attached to the unit Follow all safetv codes and other safetv precautions that 2 Installing and servicing air conditioning equipment should be done by trained and qualified service personnel only Untrained personnel can perform only basic maintenance functions such as cleaning coils filters and replacing filters 3 Ensure that the electrical supply and frequency are adequate for the operating current required for this specific installation WARNING Before any service or maintenance operations turn off the main power switch 1 The
30. by handset or wall pad The handset cannot override wall pad timer and clock setting When unit is power on buzzer responds as below With MTV The master unit will beep 3 times and the slave unit will beep once Without MTV The master unit will beep 4 times and the slave unit will beep twice 2 A 3 MASTER SLAVE INSTALLATION HANDSET AS MASTER CONTROL UNIT Connect all the units PCBs according to the wire color and type of connector Select the master unit by closing the SW6 DIP switch on the main PCB Ensure the SW6 DIP switch in the PCB of the slave unit is opened Switch on the units by connecting the main power supply e Using handset set the operation parameters for the Master unit which will automatically send the settings to the slave unit f Master unit will beep twice confirming receipt of commands while Slave unit will beep once a b d WALLPAD AS MASTER CONTROL UNIT a Connect all the units PCBs according to the wire color and tvpe of connector b Select the master unit by closing the SW6 DIP switch on the main PCB c Ensure the SW6 DIP switch in the PCB of the slave unit is opened d Provide each slave unit an addressable code by closing SW1 SW5 DIP switch according to the DIP switch chart e Switch on the units by connecting the main power supply f Using the wall pad set the operation parameters for the Master unit which will send the setting to the slave units based on Global control com
31. cation When faultv slave unit is detected Master unit displav area shows the faultv unit address time area shows the error code and wall pad backlight changes to red color Should there be multiple units having problems addresses and error codes will be shown one after another Error code definition ndoor coil over heat protection Water pump faulty For system without master slave settings wall pad will indicate unit error codes as above HVDRONIC CASSETTE 50 CONTROL SPECIFICATIONS HOT AND CHILLED WATER CASSETTE WITH MASTER SLAVE CONTROL 1 ABBREVIATIONS AND DEFINITION OF INPUT 8 OUTPUT PORTS Ts Setting temperature Tr Room air temperature Indoor coil temperature ID1 Ti2 Indoor coil temperature ID2 MTV1 Cool Motorized valve MTV2 Heat Motorized valve AUX1 Hot water AUX2 Cold wate free contact r free contact Analogue Input Digital input Wired wall pad Occupancy contact DIP SWITCH IS ON Window contact The contact is normally open If the contact has been closed for 10 minutes the unit will go to stand by mode all output signals will be disabled When the contact is open again the unit will resume running normally DIP SWITCH IS OFF Economy contact Cooling operation will only be activated when Tr Ts gt 4 C If Tr lt Ts cool operation will be terminated Heating operation will only be activated when Tr Ts lt 4 C If Tr gt Ts heating o
32. ctrical heater is turned on the EH safety switch must be closed If this contact is opened continuously 1sec heater must be cut off immediately and report error Once the contact is returned to close position 60sec reset the error and heater is allowed to cut in again Should EH safety switch be opened 2 3 times within 60 minutes heater is not allowed to cut in anymore Turn off the unit to reset the fault provided that the switch has returned to close position HVDRONIC CASSETTE 56 ERROR DESCRIPTION LED lights Indication with Master Slave Connection For unit with handset Error message can be found in LED lights on unit bodv Table below indicate the error code for master and all slave unit Table 1 High speed Unit 7 failure Blink 7 times stop 3 sec Unit 8 failure Blink 8 times stop 3 sec Unit 9 failure Blink 9 times stop 3 sec Unit 10 failure Blink 10 times stop 3 sec Unit 11 failure Blink 11 times stop 3 sec For all units Yellow light Medial speed Yellow Led on For all units Green LED light Green LED ON Unit 17 failure Blink 17 times stop 3 sec Electrical heater failure Blink 1times stop 3 sec Indoor coil sensor 2 failure Blink 2 times stop 3 sec Return air sensor failure Blink 3 times stop 3 sec Indoor coil low temperature protection Blink 5 times stop 3 sec Indoor coil over heat protection Blink 6 times stop 3 sec Water pump failure Blink 7 times stop 3 sec Indoor coil sensor 1
33. e main power supply to the cassette unit it is necessary to check the good function of the condensate water pump which is installed inside Due to transport vibration it might be possible that the float switch is hung up and the pump might not work in the correct way For this reason you have to do the following to ensure good functioning of the unit Install the cassette unit in an absolute horizontal position Fill the internal drain pan manually with enough water to ensure the drain pump is working You can fill the drain pan by pouring water through the external drain pan If everything is correct the water will be pushed out into the pipe work you have installed If the valve does not open you have to make sure the float switch is not hung up inside the unit and you will have to loosen it by hand A 7 Make sure that air filter is clean and properiv installed 8 Ensure that voltage and current values correspond with the unit nameplate values check electrical connections 9 Verifv that air outlets are not closed MAINTENANCE 1 Before performing any service or maintenance operations turn off the main power switch 2 The air filter is made of acrylic fiber and is washable in water To remove filter simply open the intake grille by releasing the two catches See Fig 19 and the section filter removal 3 Check the filter periodically and before the operating season clean or replace as necessary PROLONGED UNIT SHUT DO
34. each press The speed of interval updating increases after 4 seconds of continuous key press It will update at high speed after 6 seconds of continuous key press Off Timer First press shows the last timer setting Subsequent pressing will change the timer setting in 1 minute intervals Hold down the Off button continuously to increase the updating speed When unit with handset is master settings are automatically sent to slaves Auto Cool Heat operation will be applicable in 4 pipe system only wing is not applicable PCG models WALL PAD DISPLAX Temperature displav area HVDRONIC CASSETTE Operation display Displav set or room temperature Dav displav area Displav dav of week SUN Sundav MON Mondav TUE Tuesdav WED Wednesdav THU Thursdav FRI Fridav Fan speed displav AUTO Auto fan 22 2 e Low AT 1 Saturday IR ND ORAL Infra red reception A 00 FAN DRY HEAT AUTO SLEEP SWING To receive wireless handset signal Hi l AUTO 88 8 lock SUN MON TUE WED THU FRI SAT HEATER ON ERR X Timer displav area Displav timer or real time clock RTC OFF f UNI 5 111 5 ON On timer Global control by master in networking mode Off timer Dav button DAY select dav of week Sundav to Saturdav Or used in weekly on off timer TIMER FAN programmin
35. eceipt the unit and the packaging must be checked for damage sustained in transit and if necessary a damage claim must be filed with the shipping company Check immediately for installation accessories inside the packaging Do not lift unit by the condensate drain discharge pipe or by the water connections lift it by the four corners Fig 1 Check and note the unit serial number SELECT LOCATION 1 2 3 Do not install the unit in rooms where flammable gas or alkaline acid substances are present Aluminum copper coils and or internal plastic components can be damaged irreparably Do not install in workshops or kitchens oil vapors drawn in by treated air might deposit on the coils and alter their performance or damage the internal plastic parts of the unit Installation of the unit will be facilitated by using a stacker and inserting a plywood sheet between the unit and the elevated stacker Fig 2 It is recommended to position the unit as centrally as possible in the room to ensure optimum air distribution Fig 3 Generally the best louver position is the one which allows air diffusion along the ceiling Alternatively intermediate positions can be selected Check that it is possible to remove panels from ceiling in the selected position to allow enough clearance for maintenance and servicing operations Fig 3 HVDRONIC CASSETTE 16 INSTALLATION LOCATION INSTALL THE UNIT IN A POSITION 1 Having sufficient strength
36. eed Only low speed is available dehumidification mode 10 On Off control Press to start or stop the air conditioner HVDRONIC CASSETTE 49 11 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 area blinking indicates the slave unit ES TIME JEN under control Press TME or to select the desired slave unit Units that are off will be bypassed automatically Parameters that can be controlled are on off timer weekly program set temperature mode fan speed swing and sleep Parameter operation methods are the same as above Press VT button again to exit networking control mode ro WM s Hold down and buttons for 3 seconds to enter into global control mode lights up Repeat the same to exit global control mode In global control mode the settings of the master unit will be broadcast to all the slave units 12 Unit operation parameters browsing FAN A aN Hold down and buttons for 3 seconds to enter into operation parameters browsing mode Unit displav area shows the slave unit under browsing Slave unit selection method is the PARAMETER HUM I D I FY es same as in networking control PARAMETER 165 HUMIDIPY Or gt to browse various parameters as follow Wall pad displav temperature area Wall pad displav time area CANCEL Press buttontoexit 13 Error indi
37. er ON OFF function Real time clock displav area indicates internal time clock which can be set bv V TIME P Or TIME button 2 Day display and setting The wall pad has day display function which is used for day indication and timer ON OFF function C D 7 FN Day display icon indicates current day Press button to set day 3 Timer ON OFF setting If master unit is in global control mode and on off timer setting is reached master unit will command the whole network to be on or off Otherwise timer on off is effective to the local unit only The system supports 7 days on off timer setting a TIMER TTE Press button once and ON symbol blinking indicates on timer programming mode day display area indicates the day for setting timer on If on timer for this day is null timer TIME Pa display area shows otherwise the on timer setting will be shown Press or TIVE CANCEL button to change the on timer setting Press 7 key to cancel the current on timer selected D ka and the timer display area will show Press pa button to change the day the on timer is to be programmed CTER 1 Press 7 button again and OFF svmbol blinking indicates off timer programming mode setting method is the same as on timer setting above TIMER Press 7 button again to exit timer on off setting function Should there be any on or off timer being programmed ligh
38. ettings will then upload to the selected slave unit The next day of the week 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 5 In Global control mode CANCEL ME gt Pressing Master button for seconds will cancel all timer settings in all slave units Timer settings will be broadcast to all slave units Clock synchronization by master unit is as follows TIME 1 Press and TIM buttons for 3 seconds to activate clock synchronization to all slave units Master wall pad will respond with a beeping sound 4 Key lock In order to prevent unauthorized access to the system setting a key lock function is provided to prevent mischief Hold down for seconds to activate key lock symbol lights up Repeat the same to exit key lock Only 22 button is applicable in key lock mode 9 Swing Press to activate or deactivate swing function 6 Sleep SLEEP Press button to activate or deactivate sleep setting Sleep is valid in cool or heat modes only 7 Temperature setting Press or to enter into temperature setting mode temperature display area blinks indicating the current set temperature Press the above buttons to adjust the set temperature 8 Mode setting Press A button to change the operation mode 9 Fan speed setting C FAN Press button to change the fan sp
39. for external drain pan Fresh air flange 280 980 Mounting brackets N L 580 La 632 0100 branch duct id m HVDRONIC CASSETTE 40 PCG 09 PS 680 1240 0100 branch duct 920 63 4 hot water outlet g3 chiled water outlet Drainage
40. g to select day of week TIME MODE PARAMETER Net button for networking control NET CANCEL SLEEP FRESH Time setting button To adjust the RTC setting or to be used in timer On Off programming to adjust timer setting Timer button Mode button Fan speed button Timer cancel button To cancel on off timer setting in timer programming mode Press to activate on off timer programming mode Press to select cool fan dry heat or auto cool heat operation mode for 4 pipe system only Press to select low medium or high speed 46 Medium High Unit displav area Displav Unit address ERR Error display UNIT amp Address display On Off button Press once to start operation Press again to stop operation Room temperature setting button Parameter 4 and buttons to browse various parameters Swing and Fresh buttons for global control mode setting Sleep button Press once to select sleep mode Press again to cancel sleep mode xix Wall pad will recognize the main board model automatically whether it is 2 pipes or 4 pipes Auto Cool Heat operation will be applicable in 4 pipe system only When the wall pad is connected to the main board air sensor inside the wall pad will be automatically set as primary source and the return air sensor from the unit will be disabled HVDRONIC CASSETTE 47 WALL PAD OPERATION 1 Clock displav and setting Svstem has an accurate internal real time clock used for time indication and tim
41. gs it might be necessary to remove some T brackets of the false ceiling temporarily Using a level guide line up the unit with a spirit level and keep dimension between the body and the lower part of the false ceiling Fig 12 Fig 15 Line up the unit to the supporting bars of the false ceiling tightening the nuts and counter nuts of the threaded rods HVDRONIC CASSETTE 19 12 After connection of the condensate drain piping and piping connections check again that the unit is level Mod Fig 10 Brockets bor d 1 Brackets Fig 11 Fig 12 FALSE CEILING MODEL PCG 06 08 Amm 3 ____ HVDRONIC CASSETTE 20 Fig 13 MA Brackets Fig 14 Fig 15 FALSE CEILIN MODEL PCG 09 12 16 Amm 35 13 The spaces between the unit and ceiling can now be adjusted Use the drop rods to make the adjustment 14 Check to ensure the unit is level The drain will then be lower than the rest of the drip trav 15 Tighten the nuts on the suspended rods HVDRONIC CASSETTE 21 DRAIN PIPE WORK INDOOR UNIT The unit is fitted with a condensate pump with 500 mm lift The unit is provided with 22 mm bore flexible hose 300 mm long The flexible hose should be fitted into a 22 mm O S polyvinyl tube and sealed The drain must be installed with a downward slope On completion the drain line should be insulated I 500 mm Pu m DOWN SLOPE Fig 16 WA
42. hout the production process we maintain strict control originating with our extensive resources in research and development through to the design and manufacture of almost every individual component from molded plastics to the assembly of units and controllers Quality Controlled from Start to Finish Our highly trained staff and strict quality control methods enable us to produce products with an exceptional reputation for reliability and efficiency maintained over many years As well as full CE certification and ISO 9001 several products have UL CSA NRTL safety approval plus ARI Certification in the USA ROHS compliance for Europe giving you the confidence of knowing our company is the right choice when selecting air conditioning equipment HVDRONIC CASSETTE INDEX PCG PS SERIES 4 PIPE HYDRONIC CASSETTES A B C CASSETTE MODEL ASSIGNMENTS SPECIFICATIONS a COILDATA b COOLING TABLES c ETHVLENE GLVCOL SOLUTIONS d HEATING CAPACITV TABLE INSTALLATION MANUAL SAFETV CONSIDERATIONS OPERATING LIMITS BEFORE INSTALLATION SELECT LOCATION INSTALLATION LOCATION INSTALLATION METHOD OPENING DIMENSIONS AND POSITIONS FOR SUSPENSION BOLTS DRAIN PIPE WORK WATER CONNECTIONS VALVE CONFIGURATION EXTERNAL DRAIN PAN FRESH AIR RENEWAL CONNECTION BRANCH DUCT CONNECTION INTERCONNECTING WIRING CONTROL BOX CONFIGURATION MOUNTING FRONT PANEL ASSEMBLV FILTER REMOVAL MAINTENANCE HOW TO ACCE
43. l heater is turned on for 10 seconds POST HEAT WITHOUT ELECTRICAL HEATER If 12 38 C when MTV2 and AUX 1 are off indoor fan continues to run at set speed If 36 C lt Ti2 738 C when MTV2 and are off Indoor fan keeps original state If 112 lt 369 when MTV2 and are off Indoor fan runs 30 seconds and stop 3 minutes repeatedly If indoor coil temperature coil is damaged post heat time is set for 3 minutes with indoor fan running at set speed POST HEAT WITH ELECTRICAL HEATER Indoor fan will turn off after the unit off for 20 seconds OVER HEAT PROTECTION OF INDOOR COIL If Ti2 gt 75 C MTV2 and AUX are turned off indoor fan remains on and runs at high speed If Ti2 70 C MTV2 and AUX1 are turned on indoor fan remains and runs at set speed If indoor coil temperature sensor is damaged the protection mode will become obsolete and the unit Will work as the Pre heat and Post heat set times HVDRONIC CASSETTE 53 DEHUMIDIFICATION MODE 1 MTV2 AUX1 and heater always off 2 gt 259 MTV1 and AUX2 will be ON for minutes and OFF for 4 minutes 3 16 lt Tr lt 25 MTV1 and AUX2 will be ON for 3 minutes and OFF for 6 minutes 4 lf Tr 16 MTV1 AUX2 will be turned off for 4 minutes At the end of the above dehumidification cycle system will decide the next dehumidification control option Indoor fan will run at low speed throughout the dehumidific
44. manufacturer denies any responsibility and warranty shall be void if these installation instructions are not observed 2 Never switch off the power main supply when unit is operating in the cooling cycle To switch off the fan coil unit use only the ON OFF button 3 This avoids over flow in the drain pan by allowing the pump to drain any condensate water due to regulating valve losses when chiller is working OPERATING LIMITS 1 Power supply Vot Phase Water circuit Minimum entering water temperature 2 C Maximum entering water temperature 80 C Water side maximum pressure 1400 kPa 142 m w c eeh HVDRONIC CASSETTE 15 BEFORE INSTALLATION The installation site must be established bv the svstem designer or other qualified professional taking account of the technical requisites and current standards and legislation PCG fan coils must be installed bv an authorized companv oniv PCG fan coils are designed for installation in a false ceiling for intake of fresh air from outside and for deviation of a small part of the treated air for discharge in a neighboring room They must be installed in such way as to enable treated air to circulate throughout the room and in respect of the minimum distances required for technical maintenance operations It is advisable to place the unit close to the installation site without removing it from the packaging Do not put heavy tools or weights on the packaging Upon r
45. munication or Addressable communication methods For detail please see 2 A 6 MASTER SLAVE COMMUNICATION METHOD amp Wall pad operation item 11 Networking Master Slave control on page 49 g Master unit will beep twice confirming receipt of commands while Slave unit will beep once HVDRONIC CASSETTE 64 2 A 4 MASTER SLAVE CONFIGURATION Master unit close SW6 switch before power on Master will beep twice to the LCD wireless handset or LCD wall pad confirming receipt of commands Each master can command up to 31 slave units Slave unit open SW6 DIP switch before power on Slave unit will beep once to the LCD wireless handset or LCD wall pad confirming receipt of commands Important note Data loggers are not applicable to Master Slave System 2 4 5 MASTER SLAVE CONTROL Above control PCB can receive data from both wireless LCD handset and wired wall pad Once wall pad is connected to the PCB receiver from the unit will stop receiving signal from wireless LCD handset LCD handset can only provide signal to Wall Pad receiver When wall pad is disconnected from the PCB for 5 seconds it will revert to wireless LCD handset reception automatically 2 A 6 MASTER SLAVE COMMUNICATION METHOD There are two modes for Master slave structure Global Control communication Master will broadcast the settings to all slave units During normal operation slave units can receive commands from its wireless handset and wall pad control panel Up
46. ning louver can swing or stop at the desired position Louver angle 0 100 opens clockwise with largest angle at 100 owing angle 35 100 opens clockwise to 689 Below are the 4 fixed positions which be set from wireless LCD handset For wired wall pad Louver angle 0 100 opens clockwise and with biggest angle at 100 Swing angle 35 100 opens clockwise to 68 User may stop louver at any desired poison between 35 100 HVDRONIC CASSETTE 55 BUZZER If a command is received by the air conditioner the master unit will respond with 2 beeps for each setting and the slave unit will respond with 1 beep AUTO RESTART The system uses non volatile memory to save the present operation parameters when system is turned off or in case of system failure or cessation of power supply Operation parameters are mode set temperature swing louver s position and the fan speed When power supply resumes or the system is switched on again the same operations as previously set will function OPERATION OF CONTROL PANEL ON HIGH WALL UNIT ON OFF SWITCH i This is a tact switch to select Cool Heat Off operation mode In cool mode the set temperature of the system is 24 C with auto fan speed and swing There no timer and sleep modes heat mode the set temperature of the system is 24 C with auto fan speed and swing There no timer and sleep modes iv Master unit that does not use LCD w
47. nutes The range of Ts is 16 30 C Indoor fan speed can be adjusted for low medium high and auto MTV2 will delay for 30 seconds before it is turned on MTV2 will delay for 120 seconds before it is turned off HEAT MODE WITH ELECTRICAL HEATER AS BOOSTER MTV1 and AUX2 are always off If Tr lt Ts 1 C or 4 C if economy contact is activated heat operation is activated MTV2 and 1 are turned on Indoor fan runs at the set speed If Tr gt Ts heat operation is terminated MTV2 and AUX1 are turned off Indoor fan repeatedly runs at low fan speed for 30 seconds and stops for 3 minutes If Ti1 40 C the electrical heater is turned on If 40 lt Ti1 45 C the electrical heater is kept original state If 1 gt 45 C the electrical heater is turned off The range of Ts is 16 30 C Indoor fan speed can be adjusted for low medium high and auto MTV2 will delay for 30 seconds before it is turned on MTV2 will delay for 120 seconds before it is turned off PRE HEAT WITHOUT ELECTRICAL HEATER If Ti1 36 C 28C depends DIP setting when MTV2 and AUX1 are on indoor fan remains off If Ti12238 C or30C depends DIP setting when MTV2 and AUX1 are on indoor fan runs at set speed If indoor coil temperature sensor is damaged pre heat time is set for 2 minutes and indoor fan runs at set speed PRE HEAT WITH ELECTRICAL HEATER MTV2 and AUX2 turn on Indoor fan will turn on after the electrica
48. on reception of master global commands all slave unit settings will be replaced by the master settings Addressable communication Master controller must be LCD wall pad Slave unit parameters are set as usual Upon receiving the control commands from a master the addressed slave unit settings will be replaced by the master settings If master unit is equipped with wireless LCD handset only it can only use Global Control communication method If it is equipped with LCD wall pad it can use both communication methods DIP1 used for master slave address setting DIP switch address setting 1 for ON 0 for OFF 110 0 0 0 01 Master jo 0 0 0 0 Slave 10 0 jo 0 1 02 Slave _ 10 0 jo 1 0 03 9J Save o JO jo 1 1 4 Slave 10 0 1 0 0 0 Slave 10 10 11 0 1 6 Slave 10 10 1 1 0 07 Slave 10 10 1 1 1 08 Slave 10 1 10 0 0 09 Sae p spo Jt 0 0 140 10 1 10 1 0 111 Slave 10 1 0 1 1 12 Slave 01 1 10 0 13 Slave 10 1 1 0 1 1 Save 11 1 0 15 __ fo HH HH 116 Slave _ jo jo 1 Slave HVDRONIC CASSETTE o 0 jo 1 148 Save o 0 1 0 19 Slave 1110 0 1 1 20 Save 1 o 1 0 0 2 Slave 11 0 1 0 1 2 Slave 01110 23 Slave 10111 1 4 Slave 11 1 10 10 0 25 Slave 11 1 10 0 1 Slave 10110 2 Save 110 01 1 8 Slave 1 1 11 0 0 9 Slave _ 11 1 7 1 0 1 5 Slave
49. ots and blanking plates as accessories separately Branch duct flange optional Fresh air flange optional 2 KU a 1 E L x N E hal u B J 4 NV s aj ji ii 7 A t BRANCH DUCT DIMENSION Fig 26 HVDRONIC CASSETTE BRANCH DUCT INSTALLATION Tapping Screw Dia 3 mm x12 mm 100 00 gt 25 Look for the yellow sticker on the casing for location of branch duct or fresh air intake connections The sticker is at the center of a knock out hole underneath the casing insulation Use a cutter and follow along the pre cut circular marking as shown and trim off the insulation Knock out the pre cut hole Connect the flange on to the opening with mm x 12 mm tapping screws C2 C 55 pe Q3 00mm x4 Holes HVDRONIC CASSETTE 26 WIRING We recommend that screened cable be used in electricallv noisv areas 1 2 3 pam Always separate low voltage 5VDC signal wires from power line 230 VAC to avoid elect
50. peration will be terminated Float switch Voltage free NC Electrical heater safety switch Voltage free NC The contact is closed before the EH is turned on Phase Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m Neutral N Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m HVDRONIC CASSETTE 51 High fan speed HF Max length 5 m Voltage output L Medium fan speed MF Max length 5 m Voltage output L Low fan speed LF Max length 5 m Voltage output L Valve1 Water valve Chilled water valve Voltage output Voltage output L Voltage output L Hot water valve Water pump Voltage output L I of electrical heater Wallaqa sukan max iu aga Voltage free contact To ensure the sensitivity of the Cold water free contact AUX2 connection please make sure Max wiring length lt 30 m Voltage free contact To ensure the sensitivity of the Hot water free contact AUX1 connection please make sure Max wiring length lt 30 m In Modbus signal CN10 Terminals for local network serial connection Out Modbus signal CN11 2 CONTROL SYSTEM OPERATION 4 PIPES SYSTEM System always with Motorized Valve COOL MODE 1 MTV2 AUX1 and heater always off 2 f Tr gt Ts 1 C or 4 C if economy contact is activated cool operation is activated MTV1 and
51. ro magnetic disturbance of control system Do not install the unit where electromagnetic waves are directly radiated at the infra red receiver on the unit Install the unit and components as far away as is practical at least 5 meters from the electromagnetic wave source Where electromagnetic waves exist use shielded sensor cable Install a noise filter if any harmful noise exists in the power supply Length af cable 40omm Fig 27 Important note Please ensure the cable of the main powers supply will be gt 500mm long from the control box terminal block This is to ensure the control box can be slide out easily during maintenance activities Wiring procedures Open the terminal block cover by removing 4 screws Connect L amp N cable to the terminal according to wiring diagram on page 63 Connect room temperature sensor coil temperature sensors to the control box Connect stepping motor Connect receiver display Connect wall pad optional Slide in the control box to the unit casing and fixed with 2 screws NOOB WD HVDRONIC CASSETTE 27 CONTORL BOX CONFIGURAITON a Plug and plav control box with full functionalitv PCB please refer to wiring diagram on page 60 The is a universal tvpe with multiple configurations selectable using dipswitches Please provide dip switch setting according to below There are 2 DIP Switch sets on the one with 8 Dip switches which named as DIP
52. s and making sure the external drain pan is installed flush with the fixing plate Fig 22 When the installation is completed it is necessary to wrap connecting pipe with insulation to prevent leakage to ceiling tile EXTENDED DRAIN PAN MAIN DRAIN PAN FRESH AIR RENEWAL CONNECTION The fresh air system for PCG cassette allows up to 15 of unit airflow as fresh air intake per connection Maximum 2 fresh air connections per unit The corners of the cassette allow separate ductwork to be installed for outside air intake Fig 23 Cut and remove anti condensate insulating material Open the mounting plate Fig 24 Install the flanges to casing and fix it with 2 screws Flange is rectangular duct with dimension 110 x 55mm po IIS Fresh air flange optional 280 580 IL Fig 23 600 600 632 HVDRONIC CASSETTE 24 BRANCH DUCT CONNECTION The side opening allows separate ductwork to be installed for branch ducting Fig 26 Cut and remove anti condensate insulating material Install your flanges and conduits to casing Conduit can be flexible polyester with spring core or corrugated aluminium externally coated dia 4 in with anti condensate material fiberglass 12 25 mm thickness Order flanges spig
53. t up Should there be unexecuted on or off timer for the current day its corresponding ON OFF icon will light up CANCEL down ____ button for seconds to cancel all timer settings Timer set by master unit is as follows 1 Press button to enter into networking control mode Unit area blinking indicates the TIME slave unit under control Press TIME Or MV to select the desired slave unit Units that are off will be skipped automatically 2 Press button once to enter into on timer programming mode Press button to select the required dav of the week Master unit will then retrieve the setting from the selected slave unit and timer displav area will show rEAd The on timer setting will be TIME x TA shown upon reading the data successfullv Press V or TIME button to change the on timer setting HVDRONIC CASSETTE 48 TIMER gt C Day 3 Press button again to enter into off timer programming mode Press button to select the required dav of the week Master unit will then retrieve the setting from the selected slave unit and timer displav area will show rEAd The off timer setting will be TIME shown upon reading the data successfully Press or TIME button to change the off timer setting TIMER 4 Upon completion of changing timer settings for the selected day press button again to exit timer programming mode The s
54. to carry the weight of the unit 2 Where the inlet and outlet grilles are not obstructed and the conditioned air is able to blow all over the room 3 From where condensate can be easily run to drain 4 Check the distance between the upper slab and false ceiling to ensure the unit will suit the distance See Fig 4 Modi A mm JB mm PCG 09 PCG 06 08 12 16 10 or more PIPE CONNECTIONS PIPE ELECTRICAL CONNECTION 3 Ensure there is sufficient space around the unit to service it See Fig 5 HVDRONIC CASSETTE CASSETTE UNIT 17 INSTALLATION METHOD Using the installation template open ceiling panels and install the suspension bolts as in Fig 6 below Fresh air flange optional 280 980 F FESTA Gatt tt GA E ii pa 632 580 ll E 600 600 632 N 600 x 600 Dimensions for opening 632 x 280 Suspension Bolts MODELS PCG 06 08 1160 150 Fresh air flange optional ANC KS ea ka SS 600 x 1160 Dimensions for opening 750 x 632 Suspension Bolts MODELS PCG 09 12 16 FIG 6 HVDRONIC
Download Pdf Manuals
Related Search