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Installation, Start-Up, Adjustment and Maintenance Manual

42

5.4 ACF60-00 WIRING

If any of the original wire as supplied with the unit must be replaced, it must be replaced with thermoplastic
221

°

F wire, except ground, high temperature and pressure switch wires 392

°

F or equivalent.

Igniter and flame sensor wire have to be replaced with Robur spare parts. See, SPARE PARTS, page 60.

Label all wires prior to disconnection when servicing the controls.

Wiring errors can cause improper

and dangerous operation.

In Figure 20, below, Thermostat THL (Hot water outlet thermostat) is placed only on ACF60-00 HR.

Figure 18

– WIRING DIAGRAM FOR ACF60-00

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Содержание ACF 60-00

Страница 1: ...GA Line ACF 60 00 Model Gas fired absorption chiller for cooling medium large areas Natural gas LPG fired Installation use and maintenance manual ...

Страница 2: ......

Страница 3: ...ALLATION 28 3 1 GENERAL RULES 28 3 2 INSTALLATION OF THE UNIT 29 4 HYDRONIC AND GAS INSTALLATION 33 4 1 WATER PIPING DESIGN AND INSTALLATION 33 4 2 GAS SUPPLY PIPING 37 5 ELECTRICAL CONNECTION 38 5 1 POWER SUPPLY AND PUMP WIRING FOR A SINGLE ACF60 00 UNIT 38 5 2 POWER SUPPLY AND PUMP WIRING FOR 2 OR MORE ACF60 00 UNITS 40 5 3 CONTROL SWITCH WIRING AND THERMOSTAT LOCATION 41 5 4 ACF60 00 WIRING 42 ...

Страница 4: ...ing installation use and maintenance safety Save this manual for any future needs The manufacturer cannot be held responsible for any damages from improper erroneous or irrational use With the aim of continuously improving the quality of our products manufacturer reserves the right to change reported instructions and drawings without any prior notice NOTE ...

Страница 5: ...als plastic bags polystyrene foam nails etc away from children Before installation it is recommended that all chilled water and gas supply piping be flushed If not flushed prior to installation residual materials may be left in the piping that could cause improper functioning of the chiller The installation of the appliance must conform to the requirements of the authority having jurisdiction or i...

Страница 6: ...e A qualified service technician must verify that The electric and gas supplies are the same as indicated on the rating plate The fuel supply and water distribution systems are water tight The appliance is supplied with the type of fuel for which it is preset The gas supply pressure conforms to the pressure indicated on the rating plate The gas supply system is appropriately designed for the gas r...

Страница 7: ...234 Btu hr at the same time providing 86 400 Btu hr of heating capacity For further information see next paragraph technical data ACF60 00 units are Natural Gas or LPG fired and supplied with 208 230V 60Hz single phase electrical power ACF60 00 units could be controlled by DDC Direct Digital Controller available as Optional DDC can control up to 16 single chillers Figure 1 Direct Digital Controlle...

Страница 8: ...ammonia enters the evaporator where the ammonia evaporates due to heat being removed from water returning from the user s required cooling application thermal blowers fan coils etc within the chilled water system The cold low pressure ammonia vapor exiting the evaporator exchanges heat with the liquid ammonia coming from the condenser in the refrigerant heat exchanger The ammonia vapor then enters...

Страница 9: ... ABSORPTION REFRIGERANT CYCLE EVAPORATOR TUBE IN TUBE REFRIGERANT HEAT EXCHANGER SOLUTION PUMP SOLUTION COOLED ABSORBER GENERATOR RECTIFIER BURNER WEAK STRONG REFRIGERANT REFRIGERANT CHILLED SOLUTION SOLUTION VAPOR LIQUID WATER CONDENSER ABSORBER RESTRICTORS ACF60 00 ...

Страница 10: ...RATINGS Required Voltage 60 Hz Single Phase4 V 208 230 Condenser Fan Motor HP Variable Speed Full Load Locked Rotor Nominal A 1 2 3 1 6 2 Hydraulic Pump Motor HP Full Load Locked Rotor Nominal A 1 2 3 1 24 2 Premix Blower Motor HP Full Load Locked Rotor Nominal A 1 50 55 75 Total Electrical Operating Consumption5 Unit only kW 75 Minimum Circuit Ampacity MCA Unit only A 8 0 Maximum Over Current Pro...

Страница 11: ...in table contact Robur or your authorized distributor 3 Fan speed is reduced when external temperature is less than 91 4 F 4 Units are factory wired for 208 230 volts operation 5 May vary by 10 as a function of both power supply and electrical motor input tolerance 6 Chilled Water refers to a solution of quality tap water and 10 by volume of inhibited permanent antifreeze Higher antifreeze concent...

Страница 12: ...ingle Phase4 V 208 230 Condenser Fan Motor HP Variable Speed Full Load Locked Rotor Nominal A 1 2 3 1 6 2 Hydraulic Pump Motor HP Full Load Locked Rotor Nominal A 1 2 3 1 24 2 Premix Blower Motor HP Full Load Locked Rotor Nominal A 1 50 55 75 Total Electrical Operating Consumption5 Unit only kW 75 Minimum Circuit Ampacity MCA Unit only A 8 0 Maximum Over Current Protection MOCP Qty 2 Field Supplie...

Страница 13: ...e and leaving water temperature Capacity characteristics are shown in the table below Interpolations between tabled values are permissible but do not extrapolate For capacities at ambient temperatures higher than in table contact Robur or your authorized distributor 3 Fan speed is reduced when external temperature is less than 91 4 F 4 Units are factory wired for 208 230 volts operation 5 May vary...

Страница 14: ... 60 222 60 8 59 637 59 637 59 637 59 637 60 222 64 4 59 637 59 637 59 637 59 637 60 222 68 0 59 637 59 637 59 637 59 637 60 222 71 6 59 637 59 637 59 637 59 637 60 222 75 2 59 637 59 637 59 637 59 637 60 222 78 8 59 053 59 637 59 637 59 637 60 222 82 4 59 053 59 637 59 637 59 637 60 222 86 0 59 053 59 637 59 637 59 637 60 222 89 6 57 883 59 637 59 637 59 637 60 222 93 2 56 129 59 053 59 053 59 053...

Страница 15: ... Single Phase4 V 208 230 Condenser Fan Motor HP Variable Speed Full Load Locked Rotor Nominal A 1 2 3 1 6 2 Hydraulic Pump Motor HP Full Load Locked Rotor Nominal A 1 2 3 1 24 2 Premix Blower Motor HP Full Load Locked Rotor Nominal A 1 50 55 75 Total Electrical Operating Consumption5 Unit only kW 75 Minimum Circuit Ampacity MCA Unit only A 8 0 Maximum Over Current Protection MOCP Qty 2 Field Suppl...

Страница 16: ...e is less than 91 4 F 4 Units are factory wired for 208 230 volts operation 5 May vary by 10 as a function of both power supply and electrical motor input tolerance 6 Chilled Water refers to a solution of quality tap water and 10 by volume of inhibited permanent antifreeze Higher antifreeze concentrations may be required in certain applications 7 Mono ethylene glycol causes corrosion phenomenon in...

Страница 17: ...TERNAL PRESSURE DROP Standard HT TK versions Graph 1 UNIT PRESSURE DROP AS A FUNCTION OF WATER FLOW OUTLET WATER TEMPERATURE 44 6 F 2 00 4 00 6 00 8 00 10 00 12 00 6 00 7 00 8 00 9 00 10 00 11 00 12 00 13 00 14 00 15 00 PRESSURE DROP FEET OF HEAD WATER FLOW GPM ACF60 00 HT TK ...

Страница 18: ... Single Phase4 V 208 230 Condenser Fan Motor HP Variable Speed Full Load Locked Rotor Nominal A 1 2 3 1 6 2 Hydraulic Pump Motor HP Full Load Locked Rotor Nominal A 1 2 3 1 24 2 Premix Blower Motor HP Full Load Locked Rotor Nominal A 1 50 55 75 Total Electrical Operating Consumption5 Unit only kW 75 Minimum Circuit Ampacity MCA Unit only A 8 0 Maximum Over Current Protection MOCP Qty 2 Field Suppl...

Страница 19: ... F chilled water Inlet temperature 32 F Actual capacity will vary with ambient condenser air temperature and leaving water temperature Capacity characteristics are shown in the table below Interpolations between tabled values are permissible but do not extrapolate For capacities at ambient temperatures higher than in table contact Robur or your authorized distributor 3 Fan speed is reduced when ex...

Страница 20: ... 42 8 52 007 52 217 52 426 52 801 53 176 44 6 52 007 52 217 52 426 52 801 53 176 46 4 52 007 52 200 52 392 52 784 53 176 48 2 52 007 52 183 52 358 52 767 53 176 50 0 52 007 52 166 52 324 52 750 53 176 51 8 51 965 52 127 52 290 52 733 53 176 53 6 51 904 52 080 52 256 52 716 53 176 55 4 51 822 52 022 52 221 52 699 53 176 57 2 51 718 51 952 52 187 52 681 53 176 59 0 51 588 51 884 52 181 52 678 53 176...

Страница 21: ...0 51 194 89 6 43 093 45 337 47 580 49 174 50 768 91 4 42 084 44 502 46 919 48 605 50 291 93 2 41 003 43 602 46 201 47 981 49 760 95 0 39 847 42 635 45 400 47 299 49 174 96 8 38 614 41 599 44 584 46 557 48 530 98 6 37 302 40 491 43 681 45 753 47 825 100 4 35 907 39 309 42 711 44 884 47 057 102 2 34 428 38 051 41 673 43 949 46 225 104 0 32 863 36 713 40 564 42 945 45 325 105 8 31 208 35 295 39 383 4...

Страница 22: ...Manual 20 ACF60 00 LB UNIT INTERNAL PRESSURE DROP Graph 2 ACF60 00 LB PRESSURE DROP 8 00 10 00 12 00 14 00 16 00 18 00 6 00 7 00 8 00 9 00 10 00 11 00 12 00 13 00 14 00 15 00 MONOETHYLENE GLYCOL 40 WATER FLOW GPM PRESSURE DROP FEET OF HEAD ACF60 00 LB ...

Страница 23: ...inimum F 37 4 Chilled Water Flow Nominal Maximum Minimum GPM 12 2 14 1 11 0 Recovery System Hot Water Flow rate T 18 F Nominal Maximum Minimum GPM 9 6 0 11 0 Internal Pressure Drop Feet of Head psig 9 7 4 2 Pressure Drop inside Recovery System Nominal Feet of Head psig 4 34 3 ELECTRICAL RATINGS Required Voltage 60 Hz Single Phase 6 V 208 230 Condenser Fan Motor HP Variable Speed Full Load Locked R...

Страница 24: ...es are permissible but do not extrapolate For capacities at ambient temperatures higher than in table contact Robur or your authorized distributor 3 Cooling capacity at standard conditions with recovery ambient temperature 95 F Chilled water Outlet temperature 45 F heat recovery system water temperature delivery 122 F return 104 F For condition other than the nominal conditions apply the cooling c...

Страница 25: ...water flow rates different from the nominal values reported in the table OPERATIONAL MODE AIR CONDITIONING ONLY WATER DELIVERY TEMPERATURE F EXTERNAL AIR TEMPERATURE F 37 4 41 44 6 48 2 32 0 98 0 99 1 01 1 03 41 0 98 0 99 1 01 1 03 50 0 98 0 99 1 01 1 03 59 0 98 0 99 1 01 1 03 68 0 98 0 99 1 01 1 03 77 0 97 0 99 1 01 1 03 86 0 90 0 98 1 01 1 03 95 0 67 0 87 1 00 1 02 104 0 88 0 93 113 0 67 0 78 OP...

Страница 26: ... 92 893 93 576 93 917 95 283 96 308 97 333 68 72 743 75 134 76 978 78 549 80 188 83 330 85 379 86 52 628 55 667 58 570 61 644 65 162 68 577 72 231 104 35 859 39 275 42 007 46 071 50 954 55 667 61 507 122 21 857 24 248 27 356 31 761 37 567 43 714 50 818 140 9 563 12 226 15 368 18 783 25 033 31 420 40 982 158 8 196 8 982 13 831 21 003 30 395 HEAT CAPACITY Btu hr Output 4 4 GPM EXTERNAL AIR TEMPERATU...

Страница 27: ...93 917 122 30 224 38 592 44 295 50 203 56 931 64 137 71 377 140 10 929 17 076 22 779 28 346 34 152 40 982 47 813 158 10 587 14 344 21 174 29 029 33 469 HEAT CAPACITY Btu hr Output 8 8 GPM EXTERNAL AIR TEMPERATURE F RECOVERY SYSTEM HOT WATER RETURN TEMPERATURE F 59 68 77 86 95 104 113 68 97 333 104 709 110 993 86 76 158 83 399 91 868 97 333 104 51 228 61 302 72 094 78 549 85 106 92 210 99 040 122 3...

Страница 28: ...aph 4 ACF60 00 HR Heat recovery unit pressure drop 2 00 4 00 6 00 8 00 10 00 12 00 6 00 7 00 8 00 9 00 10 00 11 00 12 00 13 00 14 00 15 00 PRESSURE DROP feet of head WATER FLOW GPM ACF60 00 HR PRESSURE DROP feet of head 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 11 0 0 00 0 67 1 34 2 01 2 68 3 35 4 02 4 69 5 36 6 03 9 46 RECOVERY UNIT WATER FLOW GPM ACF HR operation with heat recovery unit hot water return 2...

Страница 29: ...ation Start Up Adjustment and Maintenance Manual 27 2 4 DIMENSIONS Figure 3 ACF60 00 HT TK LB HR DIMENSIONS FRONT VIEW 850 975 1 230 700 1 280 27 9 16 33 1 2 38 3 8 48 1 2 50 3 4 RIGHT SIDE VIEW Service Panel ...

Страница 30: ...ral air circulation and does not require particular weather protection In no case must the unit be installed in a room No overhead obstructions should block the outlet of air from the unit top The unit should not be installed so that the fan discharge is in close proximity to the fresh air intakes of a building or in such a manner that hot or contaminated air from flues dryer vents chimney etc cou...

Страница 31: ...as meters regulators and relief equipment and in no case located above or below these items unless a 4 feet horizontal distance is maintained The unit can be installed at ground level on a platform or on the roof if it can withstand the weight The noise generated by the condenser fan during unit operation is not excessive However avoid locating the unit in an area adjacent to bedrooms or neighbori...

Страница 32: ...he roof edge drip line In no case should the unit be placed within 6 feet of any external air intakes of the building For installations on balconies or roofs the unit should not be located within 8 feet from chimney flues outlets and other such vents It is important that the unit is located so that hot or contaminated air IS NOT drawn into the air intakes of the unit see Figure 6 Figure 6 CLEARANC...

Страница 33: ...ructure Unit operational noises can be transmitted inside the structure if they are connected Ground level installations should use vibration damping base supports available from the factory Another option is to use 4 thick concrete blocks positioned under the unit instead of the factory base supports Figure 7 DIMENSIONS OF THE UNIT BED ROOF TERRACE INSTALLATION If the unit must be lifted by a hoi...

Страница 34: ... should be avoided if possible If not possible special consideration must be given to the transmission characteristics of the building structure The use of vibration isolators under the equipment acoustically insulated bases and approved flexible connections vibration damping pipe fittings between the unit and the piping system is recommended LEVELING The unit should be level both front to back an...

Страница 35: ...ation water Add more mono ethylene glycol as needed for the minimum external temperature of the installation zone see Table 18 page 53 When using an automatic water charge system the mono ethylene glycol percentage must be checked once a year There must be correct chilled water flow when the unit is operating and during the shut down period 600 seconds between turning the burner off and complete s...

Страница 36: ...ns of the coil or heat exchanger manufacturer For best performance the supply chilled water line must attach to the side of the coil or heat exchanger nearest the exit of the leaving cooled medium If the heat exchanger is an air coil the air coil must be installed downstream from the furnace to avoid condensation in the furnace Additionally if the heat exchanger is an air coil a P trap must be pro...

Страница 37: ...T WATER RETURN available as an accessory KEY 1 FLEXIBLE CONNECTORS 6 PUMP 2 PRESSURE GAUGES 7 EXPANSION VESSEL 3 FLOW CONTROL VALVE 8 ACCUMULATION TANK 4 WATER FILTER 9 DIRECT DIGITAL CONTROLLER 5 SHUT OFF VALVE LEGEND FLEXIBLE CONNECTIONS ON OFF VALVE MANOMETERS WATER PUMP WATER FILTER EXPANSION TANK WATER FLOW RATE VALVE COLD WATER STORAGE DDC OPTIONAL 1 2 3 4 6 7 5 NOTE ANTIFREEZE GLYCOL MUST B...

Страница 38: ...150 250 108 181 170 303 59 CONNECTIONS PANEL ACF HR KEY G GAS SUPPLY FPT Chiller CHILLED WATER D WATER DELIVERY TO APPLIANCE 1 1 4 FPT C WATER RETURN TO UNIT 1 1 4 FPT Recovery unit HOT WATER A WATER DELIVERY TO APPLIANCE 1 1 4 FPT B WATER RETURN TO UNIT 1 1 4 FPT D B C G A 11 15 16 6 11 16 3 1 8 7 1 8 4 1 4 5 7 8 7 7 8 9 7 8 2 5 16 CONNECTION PANEL ACF 60 00 TK HT LB G GAS CONNECTIONS FPT W WATER...

Страница 39: ... hazard Vertical gas piping must be trapped and a means provided to drain condensate that may accumulate in the piping during the cold season Insulation may also be necessary for the gas piping to prevent excessive accumulations of condensate An approved union should be installed in the gas line near the unit and down stream of any external shut off valve that may be required by local codes Be sur...

Страница 40: ...led in the 208 230 volt supply line within sight of and not over 50 feet from the unit An error in wiring installation could cause problems during the UNIT operation and could damage the electrical components of the appliance The unit must be electrically grounded in accordance with national requirements The power supply line must not be used to turn the unit ON or OFF The dedicated control switch...

Страница 41: ... listed in the TECHNICAL DATA sheet in SECTION 2 to accommodate the additional current draw of the water pump installed The maximum current carrying capacity of the N O Contact is 4A If the current is above 4A use an additional relay controlled by N O Contact on the S61 board WARNING GENERAL SWITCH GROUND CABLE HAS TO BE CONNECTED BY A SUITABLE EYELET TO THE GROUND PIN INTO THE ELECTRICAL BOX AND ...

Страница 42: ...2 or more ACF60 00 units The transformer is required to feed N O contacts with low voltage current this is done for safety reasons when doing maintenance and a unit is shut off these contracts could still remain fed In this case no matter if pump current absorption is more or less than 4 amp Figure 17 WIRING FOR 2 ACF60 00 UNITS WITH LOW VOLTAGE TRANSFORMER ...

Страница 43: ... not present more than 0 25 amp load to the control circuit THERMOSTAT LOCATION If the control switch is a thermostat the thermostat should be located on an inside wall about 54 inches above the floor It should be located so that it will no be affected by any of the following items Discharge air from a supply grille Drafts Direct sunlight through a window or glass door Electrical Appliances such a...

Страница 44: ... high temperature and pressure switch wires 392 F or equivalent Igniter and flame sensor wire have to be replaced with Robur spare parts See SPARE PARTS page 60 Label all wires prior to disconnection when servicing the controls Wiring errors can cause improper and dangerous operation In Figure 20 below Thermostat THL Hot water outlet thermostat is placed only on ACF60 00 HR Figure 18 WIRING DIAGRA...

Страница 45: ...and the 4 terminals connector of the DDC placed at bottom left back side to make the connection as in Figure 19 respecting the following polarity terminal 1 24 V terminal 2 0 V terminal 3 ground Warning in all cases terminal 3 of the DDC terminals connector should be connected to one safety ground 0 1Ω The DDC is also equipped with a plug battery which in case of black out stores in its memory the...

Страница 46: ...D 1475 Honeywell SDS 1620 BELDEN 3086A TURCK type 530 BLACK H WHITE L BROWN GND 1475 DeviceNet Mid Cable TURCK type 5711 BLUE H WHITE L BLACK GND 1475 Honeywell SDS 2022 TURCK type 531 BLACK H WHITE L BROWN GND 656 Table 17 EXAMPLE OF TYPES OF WIRES USED FOR CAN BUS NOTE GND is the common signal wire and NOT a ground connection Take the CAN BUS wire of suitable length for the connection between DD...

Страница 47: ...ape to the end of the shielding as pulled back letter A of Figure 22 page 45 6 If the appliance is a terminal node of the network connect the three coloured wires to the orange connector as shown in detail A of Figure 23 on page 46 Respect the correct indications L H GND provided in Table 17 on page 44 on the figure and on the diagram at the base of the connector 7 If the appliance is an intermedi...

Страница 48: ...he board set the jumpers as shown in detail B of Figure 24 Figure 23 DETAILED EXAMPLE OF THE CONNECTION OF ONLY ONE CAN BUS WIRE WITH THE ELECTRONIC CONTROL BOARD Figure 24 DETAILED EXAMPLE OF THE CONNECTION OF TWO CAN BUS WIRES WITH THE ELECTRONIC CONTROL BOARD EXAMPLE OF OPENED JUMPERS Intermediate node with 2 CAN BUS wires GND common cable L LOW signal parameters H HIGH signal parameters P8 CAN...

Страница 49: ...emove the back cover of the DDC unscrewing the 4 fixing screws 3c In the electronic control board of DDC ad just the Jumpers J21 placed beside the orange connector of CAN Port P8 as in Figure 27 page 48 3d Fix the back cover of the DDC using 4 screws 4 Engage from the back cover hole of DDC the orange connector of CAN Port to the DDC electronic control board 5a Roll up the cut shield of the above ...

Страница 50: ...inal node with N 1 CAN BUS wire GND common cable L LOW parameters signals H High parameters signals P8 CAN PORT CONNECTOR J21 jumpers closed position conductors CAN BUS Wire EXAMPLE OF OPENED JUMPERS Intermediate node with N 2 CAN BUS wires GND common cable L LOW parameters signals H High parameters signals P8 CAN PORT CONNECTOR J21 jumpers opened position conductors CAN BUS Wire another segment c...

Страница 51: ...ECTION OF DDC TO N 1 ACF60 00 LEGEND DDC DIRECT DIGTAL CONTROLLER FOR AYF SUPPLIED AS ACCESSORY TR SAFETY TRANSORMER 230 24 Vac 60 Hz 20 VA not supplied GND L H SIGNAL PARAMETERS COMMON HIGH LOW OF CONNECTOR P8 J21 JUMPERS FOR CAN BUS ON DDC J1 JUMPER for CAN BUS on ECB S61 ...

Страница 52: ...ECTION OF DDC TO N 2 ACF60 00 LEGEND DDC DIRECT DIGTAL CONTROLLER FOR AYF SUPPLIED AS ACCESSORY TR SAFETY TRANSORMER 230 24 Vac 60 Hz 20 VA not supplied GND L H SIGNAL PARAMETERS COMMON HIGH LOW OF CONNECTOR P8 J21 JUMPERS FOR CAN BUS ON DDC J1 JUMPER for CAN BUS on ECB S61 ...

Страница 53: ... maintenance The unit turned on and off by using the main electrical switch not using control switch Antifreeze mono ethylene glycol not added to the water Unit damaged or defective due to transport and or installation ANOMALOUS INSTALLATION CONDITIONS FOR THE UNIT AND OR PERSONS The authorized Robur service TAC can carry out the 1st start up but the unit will be kept switched off until the user i...

Страница 54: ...arging pump is incapable of adding any additional mixture due to pump discharge head limitations 7 If the system is filled skip to Step 14 If the system is not full turn on the hydronic system s pump but do not start the unit Jumping the N O CIRC contacts on the electronic control board can start the hydronic system s pump 8 Throttle Valve B if necessary to continue filling the hydronic system if ...

Страница 55: ...mpliant with the allowable ranges reported in Table 19 The way the installation is operated can be the cause of possible degradation of water quality Moreover abnormally massive water top up or reintegration can cause a drift of chemical or physical above mentioned parameters Reintegration should not exceed 5 per year of the total amount of water It is advised to check regularly the water quality ...

Страница 56: ...78 1014 2 5 Table 20 MANIFOLD PRESSURE BASED ON GAS INPUT HHV OF 94 900 Btu hr USING 0 21 ORIFICE The conditions referred to by the table above are for the guidance of the installer and the CSA design certification does not cover the conditions described therein Note For Propane Gas Models follow the same instructions as given for natural gas The manifold pressure for propane gas should be 4 8 W C...

Страница 57: ...ressure or counter clockwise to reduce pressure Replace seal screw after adjustment 7 Open control switch and make sure unit is off 8 Remove manometer and pressure tap Replace plug in gas valve 9 Turn unit on by closing control switch Check all gas connections with soap for leaks Figure 31 GAS VALVE INLET PRESSURE TAP PRESSURE REGULATOR ADJUSTMENT REMOVE CAP SCREW FOR PRESSURE ADJUSTMENT OUTLET PR...

Страница 58: ...up to 77 F The temperature difference is intended to be a value which should be summed up by the pre adjusted set point temperatures This parameter can assume values from 1 8 F up to 14 4 F The obtained value represents the water temperature According to this temperature the conditioning request will be re activated and then the unit will start up again For example let us suppose the following adj...

Страница 59: ... Cleaning of the condenser absorber coils Check condenser fan height Before any type of service is performed ALWAYS shut off the power supply at the main switch CLEANING THE CONDENSER ABSORBER COILS It is recommended to clean the condenser absorber coils regularly since the UNIT cooling capacity can be greatly reduced by dirt on the coils see Figure 32 The user installer or service technician can ...

Страница 60: ...heduled servicing however deterioration or an accumulation of lint may cause yellowing flame or delayed ignition Either condition indicates that a service call is required CHECK CONDENSER FAN HEIGHT For proper air flow the distance between the top edge of the fan blade and the top panel must be 1 1 4 If the fan is at an improper height adjust the location of the mounting strap around the fan motor...

Страница 61: ... 3 Remove the ring nut from the threaded gas nozzle 4 Remove the gas nozzle from gas valve by removing the 4 screws from the valve flange use 9 64 hex key wrench Put the o ring in a safe place to be re used with the new nozzle 5 Attach the new gas nozzle to the gas valve using the 4 screws to secure valve flange be sure to put the o ring in the proper site 6 Tighten the ring nut and re attach wire...

Страница 62: ... 00 appliance Each list comes after the respective exploded drawing which pictures each part in the list with its progressive number Spare parts can be ordered from Robur Corporation Exploded drawing n 1 INSULATING WATER PIPES AND ACCESSORIES Figure 35 EXPLODED DRAWING N 1 SEE Table 23 PAGE 61 FOR THE RELATIVE PARTS LIST ...

Страница 63: ...G 1 6 C CBN092 ABSORBER REAR SIDE INSULATING 1 7 R TBO418 WATER DELIVERY PIPE 1 8 R TBO420 WATER RETURN PIPE 1 9 K MNM002 DIFFERENTIAL MANOMETER KIT 1 10 J TRS007 IGNITER TRANSFORMER 1 11 E LMP013 SIGNAL LIGHT 230V WITH FAST ON 1 12 G VLV032 PRESSURE RELIEF VALVE 1 13 R GFS001 FLOWSWICH CLAMPING RING NUT 1 14 L STF189 AIR BREATHER VALVE BRACKET 1 15 H VLV000 AUTOMATIC AIR BREATHER VALVE 1 Table 23...

Страница 64: ...Installation Start Up Adjustment and Maintenance Manual 62 Exploded drawing n 2 ELECTRICAL BOX AND PUMP Figure 36 EXPLODED DRAWING N 2 SEE Table 24 PAGE 63 FOR THE RELATIVE PARTS LIST ...

Страница 65: ... CNT031 24 Vac 60Hz MICROPROCESSOR BASED HSI CONTROL 1 8 J TLT020 COMBUSTION CHAMBER THERMOSTAT 1 9 E SLT040 S61CF24 ELECTRICAL BOARD 1 10 E CND011 CONDENSER 12 5 µF 450 V 1 11 G PRS000 AIR PRESSURE SWITCH ACF60 2 60 Hz 1 12 E MRS020 9 STUD TERMINAL BOARD WITH REED 1 13 L CQD011 ELECTRIC BOX COVER 1 14 C 12100960 INSPECTION HOLE GLASS 1 15 N TPP019 D 25 PROTECTION CAP 1 16 N CRN000 ELECTRIC BOX HI...

Страница 66: ...Installation Start Up Adjustment and Maintenance Manual 64 Exploded drawing n 3 COMBUSTION CHAMBER AND GAS SYSTEM Figure 37 EXPLODED DRAWING N 3 SEE Table 25 PAGE 65 FOR THE RELATIVE PARTS LIST ...

Страница 67: ...CBN041 COMB CHAMBER GENERATOR INSULATION 1 14 J CBN029 BURNER INSULATION 1 15 J BRC017 BOILER BURNER 1 16 J GRN028 BURNER UNION TRIMMING 2 17 R DFF009 INCLINED AIR GAS MIXER 1 18 J LTT047 SPARKLING ELECTRODE 1 19 C GRN086 SENSOR FLAME ELECTRODE GASKET 1 20 J LTT046 SENSOR FLAME ELECTRODE 1 21 N GRG006 2075 NB 70 O RING 1 22 J CSL000 D 11 16 x 50 CERAMIC INSULATION 1 23 G VLV052 24 VAC GAS CONTROL ...

Страница 68: ...Installation Start Up Adjustment and Maintenance Manual 66 Exploded drawing n 4 PANELS KIT Figure 38 EXPLODED DRAWING N 4 SEE Table 26 PAGE 67 FOR THE RELATIVE PARTS LIST ...

Страница 69: ...1 5 C 12100960 INSPECTION HOLE GLASS 1 6 L PST068 SILK SCREENED SERVICE PLATE 1 7 N MNG000 PANELS HANDLE 1 8 E MTR056 60 Hz FAN MOTOR 1 9 V PRT000 60 Hz MOTOR RAIN SHIELD 1 10 L STF210 60 Hz FAN MOTOR BRACKET 4 11 V VNT025 BLADE ASSEMBLY FAN 26 Ø 60 Hz 1 12 P CPR048 PAINTED SUPERIOR PANEL 1 13 N TPP061 Ø33 4 H 25 VINYL CAP 1 14 C CBN028 380X840 SUPERIOR PANEL INSULATION 1 15 J GPR000 FAN GRID 1 Ta...

Страница 70: ...ormation on the display Through the regulating knob and Display operation management and control take place The CAN PORT particular C allows the connection by one can bus wire between the electronic control board and DDC available as accessory When such connection is made the operation management and control of the unit takes place only through the DDC The electronic control board is placed inside...

Страница 71: ...e visualized on the display To exit and return to the precedent level it is necessary to select the letter E by pressing the encoder To enter in menu and visualize menu entries it s necessary to stop on the desired menu and press the encoder on the display the first menu entry of the same menu will be visualized The menu entries will be identified on the display of the electronic control board thr...

Страница 72: ...rrent carrying capacity of the N O Contact is 4A Refer to Section 5 2 Pump Wiring An isolation relay MUST be used to separate the UNIT transformer from additional equipment having a transformer or damage to the S61 board will occur Refer to Section 5 3 Control Switch Wiring IGNITION CONTROL BOX When power is supplied to the unit to the R terminal on the ignition control box ignition control will r...

Страница 73: ...l attempt two additional ignition trials total of 3 ignition trials before going into lockout Upon lockout the gas valve will de energize immediately and the pre mixer blower will turn off The thermostat W terminal air pressure switch and burner flame are constantly monitored to assure proper system operation When the call for flame has ended 24volts removed from W terminal on ignition control the...

Страница 74: ... DDC or via S61 board via menu 2 menu item 1 If codes U 2 and or E 2 occur again contact ROBUR TAC U 3 COLD WATER ANTIFREEZE THERMOSTAT CODE GENERATED BY LOW temperature detected by cold outlet water sensor RESET METHOD Reset occurs automatically when the condition that generated the code ceases U 4 INADEQUATE VENTILATION CONDENSER OVERHEATING CODE GENERATED BY TCN TA values limit set RESET METHOD...

Страница 75: ...tically when correct flow rate is restored E 10 COLD WATER FLOW SWITCH insufficient chilled water flow CODE GENERATED WHEN Code U 10 is generated 5 times since appliance was powered or code U 10 is active for one hour RESET METHOD Reset may be performed via DDC or S61 board via menu 2 parameter 1 If the code persists contact ROBUR TAC U 11 INSUFFICIENT ROTATION OF OIL HYDRAULIC PUMP CODE GENERATED...

Страница 76: ...DC or S61 board via menu 2 parameter 1 If the code persists contact ROBUR TAC E 28 GAS SOLENOID VALVE EXCITED WHEN THE FLAME CONTROL BOX IS LOCKED CODE GENERATED BY The flame control box is locked E 12 but the gas solenoid valve is excited In this case the flame control box is reset E 12 resets RESET METHOD Reset may be performed from the DDC or from the S61 board via menu 2 parameter 1 If the cod...

Страница 77: ...ers RESET METHOD The code remains active until operating parameters have been entered and completed Contact ROBUR TAC NB If the board is replaced code E80 may appear this means that AY AYF characterisation data has not been entered E 80 INVALID PARAMETERS CODE GENERATED BY Invalid parameters or damage to parameter memory RESET METHOD Reset is automatic when the correct parameters are entered If th...

Страница 78: ...e performed via DDC or S61 board via menu 2 menu item 1 If the code persists contact ROBUR TAC E 91 BOARD DEFECTIVE CODE GENERATED WHEN One of the following is absent serial number of board hardware version code or encryption key written during board test RESET METHOD Contact ROBUR TAC Table 28 Operating codes generated by S61 AY10 electronic board codes may also be visualised by DDC display IN TA...

Страница 79: ......

Страница 80: ...ducts through the commitment and caring of its employees and partners Robur Mission Robur Corporation advanced heating and cooling technologies 827 E Franklin Street Evansville Indiana 47711 USA P 812 424 1800 F 812 422 511 7 www robur com us rhalbig servel sbcglobal net Codice D LBR323 rev N 17 MCMSDC 013 03 04 2017 sales robur com ...

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