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Summary of Contents for Gis AF Series
- Page 1 AIR COMPRESSOR AF-SERIES ELECTRO-COMPRESSORS USER AND MAINTENANCE MANUAL 01/2024 - REV. 02...
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Page 3: Table Of Contents
AF-SERIES ELECTRO-COMPRESSORS Contents 1 : GENERAL INFORMATION ....................en-3 1.1 General Information ..........................en-3 1.2 Manufacturer's data ..........................en-3 1.3 Service ..............................en-3 1.4 Introduction and Safety ..........................en-4 1.5 Device identification ..........................en-5 1.6 Warranty Conditions ..........................en-7 2 : GENERAL SAFETY RULES ..................en-8 2.1 Important Warnings ..........................en-8 2.2 Transport and storage ...........................en-9 2.3 Residual risks ............................en-10 2.3.1 Operating risks .........................en-10... - Page 4 AF-SERIES ELECTRO-COMPRESSORS en-2...
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Page 5: General Information
In case of complaints, please contact your dealer's customer service department. Manufacturer's data Manufacturer: GIS Srl di GIORGIO SGARBI & C. Address: Via dei Barrocciai, 29 - 41012 Carpi (MO) Italy Telephone/Fax: +39 059.657018 / +39 059.657028 E-mail info@gis-air.com... -
Page 6: Introduction And Safety
AF-SERIES ELECTRO-COMPRESSORS Introduction and Safety Please read the instructions in this manual carefully before using the device. This will help you familiarise with your new device. The best prevention for injuries is care and caution when using the device. Observe the information provided by the plates of each type attached to the machine. Damaged plates must be replaced immediately. -
Page 7: Device Identification
Device identification Nameplate A A A H H H GIS d i G. S g ar b i & C s rl B B B Via d e i Bar r o cc iai, 2 9 I I I 41012 CARPI (MO) - Page 8 AF-SERIES ELECTRO-COMPRESSORS Location of safety decals SYMBOL MEANING SYMBOL MEANING Be careful: Hot surface Read the User Manual carefully Be careful: Live machine Do not inhale Be careful: Moving parts Do not disperse in the environment Be careful: Component or system under Do not carry out work requiring pressure.
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Page 9: Warranty Conditions
AF-SERIES ELECTRO-COMPRESSORS HORIZONTAL FIXED FEET HORIZONTAL FIXED FEET SILENT ON BASE (WITH AND WITHOUT TANK) DOUBLE-HEAD TANDEM Fig. 1.4 Warranty Conditions The electric compressor is guaranteed for a duration of 12 months from the date of the purchase invoice. Warranty only covers the free replacement of parts found to be defective, excluding wear parts and electrical parts. -
Page 10: General Safety Rules
AF-SERIES ELECTRO-COMPRESSORS 2 : GENERAL SAFETY RULES Important Warnings Below are important instructions for the safe use of the compressor, which must be followed carefully. DANGER: The compressor must be used in a suitable environment (well ventilated, with an ambient temperature between +5 °C and +40 °C;... -
Page 11: Transport And Storage
NOTE: Use the compressor according to the instructions in this manual GIS reserves the right to make changes/updates to the manual without prior notice. Use only genuine spare parts, available from our distributors. Use of non-genuine spare parts will void the warranty and cause the compressor to malfunction. -
Page 12: Residual Risks
AF-SERIES ELECTRO-COMPRESSORS Residual risks 2.3.1 Operating risks CAUTION: Extreme care must be taken when operating the compressor, as the motor and compressor heads, air delivery hose and check valve become hot and can cause severe burns on contact. Similarly, moving parts (motor pulley and flywheel) can create serious hazards. -
Page 13: Product Families
AF-SERIES ELECTRO-COMPRESSORS 3 : PRODUCT FAMILIES Models NOTE: The models in your possession may differ from the pictures below. Please refer to the identification plate and product catalogue for further details. Fig. 3.1 A) HORIZONTAL WHEELED B) HORIZONTAL WHEELED DOUBLE-TANK Features Description C) VERTICAL... -
Page 14: General Description Of The Machine
AF-SERIES ELECTRO-COMPRESSORS General description of the machine 3.2.1 HORIZONTAL WHEELED - HORIZONTAL DOUBLE TANK WHEELED NOTE: The models in your possession may differ from the pictures below. Please refer to the identification plate and product catalogue for further details. G I S d i G . S g a r b i & C s rl Via d e i Ba r r oc c i a i , 2 9 41012 CARPI (MO) MODELLO... -
Page 15: Vertical
AF-SERIES ELECTRO-COMPRESSORS 3.2.2 VERTICAL NOTE: The models in your possession may differ from the pictures below. Please refer to the identification plate and product catalogue for further details. G IS d i G. Sga rbi & C sr l Via dei Bar roc ciai, 29 41012 CARPI (MO) MODELLO ARIA ASP / LT l/min... -
Page 16: Horizontal Fixed Feet
AF-SERIES ELECTRO-COMPRESSORS 3.2.3 HORIZONTAL FIXED FEET NOTE: The models in your possession may differ from the pictures below. Please refer to the identification plate and product catalogue for further details. GI S di G . Sgarbi & C sr l Via dei Bar roccia i, 29 41012 CARPI (MO) MODELLO... -
Page 17: Horizontal Fixed Feet Silent
AF-SERIES ELECTRO-COMPRESSORS 3.2.4 HORIZONTAL FIXED FEET SILENT NOTE: The models in your possession may differ from the pictures below. Please refer to the identification plate and product catalogue for further details. G IS d i G . S g arb i & C s rl Via de i B a rro c cia i, 29 41012 CARPI (MO) MODELLO... -
Page 18: Double-Head Tandem
AF-SERIES ELECTRO-COMPRESSORS 3.2.5 DOUBLE-HEAD TANDEM NOTE: The models in your possession may differ from the pictures below. Please refer to the identification plate and product catalogue for further details. G IS d i G . S g a rb i & C s rl Via de i B a rroc cia i, 29 41012 CARPI (MO) MODELLO... -
Page 19: On Base (With And Without Tank
AF-SERIES ELECTRO-COMPRESSORS 3.2.6 ON BASE (WITH AND WITHOUT TANK) NOTE: The models in your possession may differ from the pictures below. Please refer to the identification plate and product catalogue for further details. G IS d i G. Sgar bi & C sr l Vi a dei Bar rocc iai, 29 41012 CARPI (MO) MODELLO... -
Page 20: Location
AF-SERIES ELECTRO-COMPRESSORS Location The room where the compressor is put into operation must have the characteristics required by current accident prevention regulations and meet the following requirements: - Low dust content. - Adequate ventilation and dimensions to allow room temperature (min 5°, max 40°) to be maintained when the machine is in operation. -
Page 21: Modes Of Use
AF-SERIES ELECTRO-COMPRESSORS 4 : MODES OF USE General checks CAUTION: Strictly observe the SAFETY WARNINGS on the operational use of the machine described in Chapter 2 "GENERAL SAFETY RULES". Check your model on the identification plate on the compressor and at the beginning of this manual. 4.1.1 Using the compressor The compressors have been designed and built solely to produce compressed air. -
Page 22: Using The Machine
AF-SERIES ELECTRO-COMPRESSORS Using the machine 4.2.1 Preliminary checks before starting to use the compressor CAUTION: Before starting to use the compressor, it is essential to carry out the following checks. - if necessary, fit the cocks by simply screwing them into their respective fittings; - if necessary, fit the intake filter (in case it was removed);... -
Page 23: Starting And Stopping The Electro-Compressor
Please refer to the enclosed pressure switch manual for any start&stop pressure adjustments. NOTE: Observe the maximum pressure stipulated by the compressor manufacturer GIS s.r.l., otherwise the warranty will be voided Fig. 4.3 Some models are equipped with a remote pressure switch that protects the motor from voltage overloads. -
Page 24: Adjusting The Operating Pressure
AF-SERIES ELECTRO-COMPRESSORS At first start-up in compressors operating with three- phase voltage, check the exact direction of rotation of the unit's cooling flywheel by means of the arrow A located on the motor fan cover. Fig. 4.6 Operation of the compressor is fully automatic, controlled by the pressure switch, which stops it when the pressure in the tank reaches the maximum value and restarts it when it drops to the... -
Page 25: Maintenance
AF-SERIES ELECTRO-COMPRESSORS 5 : MAINTENANCE Condensate drain The life of the machine is conditioned by the quality of maintenance. CAUTION: Before carrying out any maintenance or cleaning, it is imperative to switch off the appliance, unplug it and empty the tank completely. -
Page 26: Suction Filter Maintenance
AF-SERIES ELECTRO-COMPRESSORS Suction filter maintenance Every 50 operating hours the suction filter should be removed and the filter element D should be cleaned by blowing with compressed air in the opposite direction to the usual passage. Replace the complete filter every 500 hours. NOTE: The filter varies depending on the model. -
Page 27: Check Valve
AF-SERIES ELECTRO-COMPRESSORS Check the belt tensioning once a month. Should adjustment be necessary, proceed as follows: 1 - Loosen the motor fixing screws A; 2 - Pull the motor until the correct belt tension is reached; 3 - Tighten the motor fixing screws A. Fig. -
Page 28: Special Precautions
AF-SERIES ELECTRO-COMPRESSORS Special precautions If the compressor remains idle for more than a few days, empty the tank of condensate. Do not transport the tank under pressure. Maintenance Summary The following table summarises all the cleaning, checks and maintenance work to be carried out for good operating conditions. - Page 29 AF-SERIES ELECTRO-COMPRESSORS Decreased performance, frequent Excessive consumption. Reduce compressed air starts. Low pressure values. requirements. Clogging of suction filters. Clean/replace the suction filter (Fig.5.4). Leaks from joints and/or pipes. Replace gaskets. Belt slip. Check the tension of the belts (Fig.5.5 and Fig.5.4 ). Air leakage from the pressure switch Check valve which, due to wear Unscrew the hexagon head of the...
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Page 30: Wiring Diagram
AF-SERIES ELECTRO-COMPRESSORS Wiring diagram Wiring diagram single-phase models without/with motor protection circuit breaker Fig. 6.1 Components Description Thermal motor protection circuit breaker Air pressure switch Earth en-28... - Page 31 AF-SERIES ELECTRO-COMPRESSORS Wiring diagram three-phase models without/with motor protection circuit breaker or remote pressure switch Fig. 6.2 Components Description Thermal motor protection circuit breaker Air pressure switch Earth Remote pressure switch en-29...
- Page 32 AF-SERIES ELECTRO-COMPRESSORS Wiring diagram star/delta starter models 7.5 / 10 HP (5.6 / 7.5 kW) Fig. 6.3 Components Description Motor starting Thermal relay Solenoid valve Air pressure switch Timer Earth Line contactor Delta contactor Star contactor Fuses en-30...
- Page 33 AF-SERIES ELECTRO-COMPRESSORS Wiring diagram star/delta starter models 15 / 20 HP (11.2 / 15 kW) Fig. 6.4 Components Description Motor starting Thermal relay Solenoid valve Air pressure switch Timer Earth Line contactor Delta contactor Star contactor Fuses en-31...
- Page 34 AF-SERIES ELECTRO-COMPRESSORS Wiring diagram direct start tandem TD models Fig. 6.5 Components Description Selector Thermal relay Solenoid valve Air pressure switch Timer Earth KM1/4 Line contactor KM2/5 Delta contactor KM3/6 Star contactor Motor 1 Motor 2 Fuses en-32...
- Page 35 AF-SERIES ELECTRO-COMPRESSORS Wiring diagram star/delta starter TD tandem models Fig. 6.6 Components Description AV 1/2 Motor starting Delay Selector Thermal relay Solenoid valve Air pressure switch Timer Earth KM1/4 Line contactor KM2/5 Delta contactor KM3/6 Star contactor Motor 1 Motor 2 Fuses en-33...
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