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Installation, Use and

Maintenance Manual

GA Line ACF Series

Natural gas/LPG fired

Gas fired absorption chiller

Содержание GA Line ACF Series

Страница 1: ...Installation Use and Maintenance Manual GA Line ACF Series Natural gas LPG fired Gas fired absorption chiller ...

Страница 2: ...of this manual other than for personal consultation must be previously authorised by Robur S p A The rights of those who have legitimately filed the registered trademarks contained within this publication are not affected With the aim of continuously improving the quality of its products Robur S p A reserves the right to modify the data and contents of this manual without prior notice ...

Страница 3: ...19 3 3 Hydraulic connections 20 3 4 Water circulation pump 21 3 5 Antifreeze function 21 3 6 Antifreeze liquid 21 3 7 System water quality 21 3 8 Water system filling 22 3 9 Combustible gas supply 22 4 ELECTRICAL INSTALLER 23 4 1 Warnings 23 4 2 Electrical systems 23 4 3 Electrical power supply 24 4 4 Adjustment and control 25 4 5 Water circulation pump 27 5 FIRST SWITCH ON 28 5 1 Preliminary chec...

Страница 4: ...d the energy of the fuel used relative to NCV net calorific value First Switch On appliance commissioning operation which may only and exclusively be carried out by a TAC S61 Board electronic board on the GA unit to control all func tions and to provide interface with other devices and with the user III WARNINGS III 1 GENERAL AND SAFETY WARNINGS Installer s qualifications Installation must exclusi...

Страница 5: ...pliance cannot be accidentally switched back on Earthing Electrical safety depends on effective earthing system correctly connected to the appliance and installed ac cording to the regulations in force Distance from combustible or flammable materials Do not store flammable materials paper solvents paint etc in the vicinity of the appliance Scale and corrosion Depending on the chemical physical fea...

Страница 6: ...lure to comply with the manufacturer s indica tions on installation use and maintenance Alteration or modification of the product or any part thereof Extreme operational conditions or however out side of the operational ranges set forth by the manufacturer Damages caused by external agents such as salts chlorine sulphur or other chemical substances con tained in the installation water or present i...

Страница 7: ...ystems and applications with chilled water up to 3 C in continuous operation year round HT for very hot climates for residential retail industrial cool ing systems with chilled water up to 5 C with outside air up to 50 C LB for negative temperatures for cooling systems with chilled water up to 10 C glycol indispensable Models ACF TK LB and HT have 2 chilled water inlet outlet fit tings model HR ha...

Страница 8: ...echnical data 8 Figure 1 2 GA ACF silenced version dimensions Figure 1 3 ACF Service plate with plumbing and gas connections LEGEND A WATER FLOW TO INSTALLATION 1 1 4 F B WATER INLET TO UNIT 1 1 4 F G GAS SUPPLY 3 4 F ...

Страница 9: ...eries 9 Figure 1 4 ACF HR Service plate with plumbing and gas connections LEGEND G GAS SUPPLY 3 4 F Chiller CHILLED WATER D WATER FLOW TO INSTALLATION 1 1 4 F C WATER INLET TO UNIT 1 1 4 F Recovery exchanger HOT WATER A WATER FLOW TO INSTALLATION 1 1 4 F B WATER INLET TO UNIT 1 1 4 F ...

Страница 10: ...TS Figure 1 5 Internal components front view LEGEND 1 Combustion air intake 2 Blower 3 Gas valve 4 Electrical Panel 5 Oil pump 6 Water inlet connection Ø 1 1 4 F 7 Water flow connection Ø 1 1 4 F 8 Gas connection 9 Ambient temperature probe 10 Fan ...

Страница 11: ...ures and technical data Installation Use and Maintenance Manual GA Line ACF Series 11 Figure 1 6 Left side internal components LEGEND 1 Ignition transformer 2 Flue gas thermostat 3 Ignitor and flame detectors ...

Страница 12: ...d technical data 12 Figure 1 7 Right side internal components LEGEND 1 Safety valve 2 Manual air vent 3 Inlet temperature probe 4 TG Probe 5 Limit thermostat 6 Flow temperature probe 7 Water flow switch 8 Teva Probe ...

Страница 13: ...HMF outlet water temperature probe THRF inlet water temperature probe TCN condenser outlet temperature probe TA ambient air temperature probe TG condenser inlet temperature probe SRT1 oil pump rotation sensor TF exhausted gas thermostat TL generator limit thermostat manual reset FL water flow switch BLW blower motor C blower condenser FAN fan motor C2 fan condenser PMP oil hydraulic pump motor PWR...

Страница 14: ...TF flue gas thermostat TL generator limit thermostat manual reset FL water flow switch BLW blower motor C blower capacitor FAN fan motor C2 fan capacitor PMP oil pump motor PWRTR transformer 230 24 Vac CNTBOX flame controller IGN ignitors IGNTR ignition transformer FLS flame detector KP installation water circulating pump relay recovery circuit 1 5 ELECTRONIC BOARDS The appliance s electrical pane...

Страница 15: ...ontroller terminals J10 circuit water circulating pump control ler jumper FAN BK WH BR fan output JTAG board programming connector SCH ENC knob JP10 6 pole flame controller connector F1 fuse T 2A F2 fuse F 10A F3 fuse T 2A F4 fuse T 3 15A 1 6 CONTROLS Control device The appliance may only work if it is connected to a control de vice selected from 1 DDC control 2 external request 1 6 1 Adjustment s...

Страница 16: ...inlet maximum C 45 minimum C 7 5 7 Nominal thermal differential C 5 Water flow rate maximum l h 3200 2900 nominal l h 2770 2675 2600 minimum l h 2500 2300 Internal pressure drop at nominal water flow bar 0 29 2 0 42 2 External air temperature nominal C 35 maximum C 45 50 45 minimum C 0 12 0 OPERATING RECOVERY CIRCUIT Thermal power nominal 1013 mbar 15 C kW 25 3 Cooling capacity with simultaneous r...

Страница 17: ...ling absorber solution l 6 3 Solution pump l 3 3 TEST PRESSURE IN AIR bar g 55 MAXIMUM PRESSURE OFTHE COOLING CIRCUIT bar g 32 FILLING RATIO kg of NH3 l 0 173 0 159 0 177 0 157 0 173 FLUID GROUP I 2 TRANSPORT AND PLACEMENT 2 1 WARNINGS Damage from transport or installation The manufacturer shall not be liable for any damage during appliance transport and installation On site inspection Upon arriva...

Страница 18: ...ce may be installed at ground level on a terrace or on a roof compatibly with its size and weight It must be installed outside buildings in an area of natural air circulation outside the dripping path of drainpipes or simi lar It does not require protection from weathering No obstruction or overhanging structure e g protruding roofs canopies balconies ledges trees shall interfere either with the a...

Страница 19: ...ide a maintenance walkway around the appliance Anti vibration mountings Although the appliance s vibrations are minimal resonance phenomena might occur in roof or terrace installations Use anti vibration mountings Also provide anti vibration connections between the appli ance and water and gas pipes 3 PLUMBING INSTALLER 3 1 WARNINGS General warnings Read the warnings in Chapter III p 4 providing i...

Страница 20: ...d WATER OUTPUT m flow to the installation B in 1 1 4 F chilled WATER INPUT r inlet from the in stallation D out 1 1 4 F WATER OUTPUT chilled m flow to the installation C in 1 1 4 F WATER INPUT r inlet from the installa tion Hydraulic pipes materials and features Use pipes for heating cooling installations protected from weathering insulated for thermal losses with vapour barrier to prevent condens...

Страница 21: ...piping and fittings incom patible with glycol Glycol modifies the physical properties of water density viscosity specific heat Dimensionare le tubazioni la pompa di circolazione e i generatori termici di conseguenza With automatic system water filling a periodic check of the glycol content is required Operation with outside temperatures 10 C If the outside air temperature is expected to be lower t...

Страница 22: ...teel or copper Do not leave washing residues 3 8 WATER SYSTEM FILLING How to fill up the system After completing all water electrical and gas connections 1 Pressurise at least 1 5 bar and vent the hydraulic circuit 2 Let water flow with appliance off 3 Check and clean the filter on the return pipe 4 Repeat items 1 2 and 3 until the pressure has stabi lised at least 1 5 bar To vent the system do no...

Страница 23: ...er placing the appliance in the final position and prior to making electrical connections ensure not to work on live components It is forbidden to use gas pipes as earthing Cable separation Keep power cables physically separate from signal ones Do not use the power supply switch to turn the ap pliance on off Never use the external disconnecter GS to turn the appliance on and off since it may be da...

Страница 24: ...t the three lead in wires to the terminal TER in the electrical panel on the machine 3 Provide the earth lead in wire longer than live ones last to be torn in the event of accidental pulling Figure 4 2 Electrical wiring diagram Example of connection of appliance to 230 V 1 N 50 Hz electricity supply LEGEND A CAN BUS cable gland B S61 electronic boards C ME and TER terminal boards D transformer 230...

Страница 25: ...CK L WHITE GND BROWN 450 m Honeywell SDS 1620 In all cases the fourth conductor should not be used BELDEN 3086A H BLACK L WHITE GND BROWN 450 m TURCK type 530 DeviceNet Mid Cable TURCK type 5711 H BLUE L WHITE GND BLACK 450 m Honeywell SDS 2022 TURCK type 531 H BLACK L WHITE GND BROWN 200 m For lengths 200 m and max 4 nodes e g 1 DDC 3 GAHP a simple 3x0 75 mm shielded cable may even be used How to...

Страница 26: ...ck button fitted with a voltage free NO contact How to connect the external request Connection of external request is effected on the S61 board located in the Electrical Panel inside the unit 1 Access the Electrical Board of the appliance accord ing to the Procedure 4 2 p 23 2 Connect the voltage free contact of the external device through two wires to terminals R and Y re spectively common 24 V A...

Страница 27: ... the appliance according to the Procedure 4 2 p 23 1 connect board S61 to terminals 3 4 of terminal board MA 2 Jumper J10 CLOSED Figure 4 6 Electrical wiring diagram Example of pump appliance electrical connection with 230 Vac pump with absorbed power of 700 W controlled directly by the appliance Heat recovery exchanger circulating pump It must be controlled through a relay in the appliance s elec...

Страница 28: ...uations be found the TAC shall not perform First Switch on and the appli ance shall not be commissioned These situations may be appliance installed inside a room failed compliance with minimum clearances insufficient distance from combustible or flammable mate rials conditions that do not warrant access and maintenance in safety appliance switched on off with the main switch instead of the control...

Страница 29: ...st e g ther mostat timer button with voltage free NO contact Sys tem 2 see Paragraph 1 6 p 15 the appliance is switched on off by the ON OFF positions of the external control de vice After switching on with the control in normal operating con ditions the appliance starts stops automatically according to the user s thermal needs supplying chilled water at the pro grammed temperature Although the ex...

Страница 30: ...lay only for functional data detected in real time the menu 1 display only for current values of appliance parameters menu 2 control to execute flame control unit reset opera tions reset errors Paragraph 6 6 p 31 menu 3 display and setting to set the value of some sys tem parameters e g water set point temperature the val ues are initialised by the TAC at First Switch On It is accessed without pas...

Страница 31: ...the S61 board proceed as follows 1 Access menu 3 under parameter 75 water temper ature set point by rotating and pressing the knob 3 _75 must be displayed procedure Paragraph 6 4 p 29 2 Display the parameter value by pressing the knob the previously set value is displayed from 3 to 25 C to reconfirm the pre existing value press the knob again otherwise go to point 3 3 Turn the knob to modify the v...

Страница 32: ...ion lies with the system manager Heavy duty use If the unit is subject to heavy duty use for example in process plants or in other conditions of continuous operation maintenance operations must be more frequent 7 2 PRE EMPTIVE MAINTENANCE For pre emptive maintenance comply with the recommen dations in Table 7 1 p 32 Table 7 1 GUIDELINES FORTHE PREVENTIVE MAINTENACE OPERATIONS Check of the unit GAH...

Страница 33: ...quality of the water in the system and if necessary top it up Paragraphs 3 8 p 22 3 7 p 21and 3 6 p 21 Ensure the flue gas exhaust duct is not obstructed and that the condensate drain is clean After completing the above checks 1 Open the gas cock and ensure there are no leaks should gas smell be noticed close the gas cock again do not switch any electrical devices on and request intervention by Sk...

Страница 34: ...enu 2 parameter 1 If the code persists shows up again or in case of doubt contact theTAC 28 GAS SOLENOIDVALVE EXCITED DURING FLAME CONTROLLER ARREST NA Power off the appliance Contact authorisedTechnical Assistance 29 GAS SOLENOIDVALVEWITHOUT ELECTRICAL POWER Reset occurs automatically if the gas solenoid valve switches on again within 10 minutes with central flame control unit on Reset may be per...

Страница 35: ...onformity with the following EC Directives 2006 42 EC Machinery Directive with subsequent amendments and integrations 2004 108 EC Electromagnetic Compatibility with subsequent amendments and integrations Tested and examined according to the following norms EN55014 1 EN55014 2 EN61000 3 2 EN61000 3 3 EN62233 2006 95 EC Low Voltage Directive with subsequent amendments and integrations Tested and exa...

Страница 36: ... T 39 035 888111 F 39 035 884165 www robur it robur robur it Robur is dedicated to dynamic progression in research development and promotion of safe environmentally friendly energy efficiency products through the commitment and caring of its employees and partners Revision M Code D LBR357 15MCMSDC001 12 01 2015 ...

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ROBUA GA Line ACF Series, Инструкция по установке, использованию и техническому обслуживанию

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