10.2 Maintenance tasks...................................... 30 11 Faults, causes and remedies .............................. 34 12 Spare parts.................................... 35 13 Disposal.................................... 37 13.1 Oils and lubricants...................................... 37 13.2 Information on the collection of used electrical and electronic products.................... 37 Installation and operating instructions Wilo-Atmos GIGA-B...
Subject to change Wilo shall reserve the right to change the listed data without notice and shall not be li- able for technical inaccuracies and/or omissions. The illustrations used may differ from the original and are intended as an example representation of the device.
Locally applicable laws and regulations on work safety and accident prevention must be complied with. ƒ The procedure described in the installation and operating instructions for shutting down the product/unit must be strictly observed. Installation and operating instructions Wilo-Atmos GIGA-B...
Follow all information that appears on the product and ensure that it remains perman- ently legible: ƒ Warnings ƒ Rating plate ƒ Direction of rotation arrow/symbol for direction of flow ƒ Identification of connections WILO SE 2021-08...
To avoid scoring at the bearings and sticking, turn the pump shaft once a week using a socket wrench. If a longer storage time is required, contact Wilo for preservation measures. WARNING Risk of injury due to incorrect transport! If the pump is transported again at a later date, it must be packaged so that it cannot be damaged during transport.
The transport eyes on the motor are only for guiding when the load is being carried! Fig. 1: Transporting the pump WARNING Damaged transport lugs can break off and cause considerable personal injury. • Check the transport lugs before use for damage and secure fixation. WILO SE 2021-08...
Intended use and misuse Intended use The glanded pumps of the Atmos GIGA-I (in-line single pump), Atmos GIGA-D (in-line twin-head pump) and Atmos GIGA-B (monobloc pump) series are intended for use as circulators in building services. They may be used for: ƒ...
Flange-end pump as in-line twin-head pump Atmos GIGA-B Flange-end pump as monobloc pump Nominal diameter DN of the flange connection in mm (with Atmos GIGA-B: discharge side) Impeller nominal diameter in mm Rated power P2 in kW Number of poles, motor 60 Hz version...
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Water-glycol mixtures or fluids with a different viscosity than pure water increase the power consumption of the pump. Only use mixtures with corrosion protection. Observe the relevant manufacturer’s specifications! ƒ Adjust the motor power if required. Installation and operating instructions Wilo-Atmos GIGA-B...
The installation options depend on the pump size. Suitable Wilo control devices (e.g. Wilo-CC-HVAC system) can control the power of the pumps continuously. This allows optimisation of the pump output for the demands of the installation and economically efficient pump operation.
The pump must not be allowed to operate dry for more than 1 minute. Dry running causes a build-up of energy in the pump, which can damage the shaft, impeller, and mechanical seal. • Make sure that the volume flow does not fall below the minimum value Q WILO SE 2021-08...
Preparing the installation Check whether the pump complies with the specifications on the delivery note; report any damage or missing parts to Wilo immediately. Check slat crates/boxes/wrappings for spare parts or accessory components which could be included with the pump.
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NOTICE For monobloc pumps larger than 30 kW, only horizontal installation is permissible. Install monobloc pumps of the Atmos GIGA-B series on adequate foundations or mounting brackets (Fig. 7). The motor must be supported from a motor power of 18.5 kW. See installation ex- amples Atmos GIGA-B.
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This prevents the pump from running dry. The minimum inlet pressure must be observed. NOTICE In the case of insulated systems, only the pump housing may be insulated. Never in- sulate the lantern and motor. Installation and operating instructions Wilo-Atmos GIGA-B...
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ƒ Release the coupling and re-tighten with the prescribed torque. In case this measure is not successful: ƒ Remove the motor (see chapter “Changing the motor”). ƒ Clean the motor centring and flange. ƒ Reinstall the motor. WILO SE 2021-08...
Use a heat-resistant connection cable if fluid temperatures exceed 90 °C. ƒ The current type and voltage of the mains connection must correspond to the spe- cifications on the rating plate. ƒ Fuse protection on mains side: Dependent on rated motor current. Installation and operating instructions Wilo-Atmos GIGA-B...
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500 V/690 V power supply The motors which Wilo uses as standard for glanded pumps are not suited to be used on external frequency converters with 500 V/690 V. For use in 500 V or 690 V mains, motors with appropriate winding and reinforced insu- lation system are available.
• Before commissioning, safety devices such as terminal box covers or coupling covers that were removed must be reinstalled! • An authorised technician must check the functionality of the safety devices on the pump and motor prior to commissioning! Installation and operating instructions Wilo-Atmos GIGA-B...
• Keep a safe distance during commissioning! • Always wear protective clothing, protective gloves and protective goggles when working. NOTICE It is recommended to have the pump commissioned by the Wilo customer service. The pump has to reach ambient temperature before commissioning. Preparation ƒ...
After removing the pump, store it in a dry and dust-free place. Operation NOTICE The pump must always run smoothly and vibration-free and must not be operated in conditions other than those specified in the catalogue/data sheet. Installation and operating instructions Wilo-Atmos GIGA-B...
Installation/dismantling work: The installation/dismantling must be carried out by a qualified technician who is trained in the use of the necessary tools and fixation ma- terials. It is recommended to have the pump serviced and checked by the Wilo customer ser- vice. WILO SE 2021-08...
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• Always wear protective clothing, protective gloves and protective goggles when working. NOTICE For all installation work (pump type design A/B), the forked spacer must be used to set the correct impeller position in the pump housing! Installation and operating instructions Wilo-Atmos GIGA-B...
In addition, carry out a visual inspection regularly. If leakage is clearly visible, replace the gasket. Wilo offers a repair kit which contains the necessary parts for replacement. Dismantling: WARNING Risk of scalding! At high fluid temperatures and system pressures, allow the pump to cool down first and then depressurise the system.
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5 mm is automatically adjusted via the forked spacer. Fig. 13: Positioning the forked spacer 13.Remove the forked spacer. 14.Install the coupling guard. 15.Connect the motor and mains connection cables. Installation and operating instructions Wilo-Atmos GIGA-B...
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19.Connect the motor and mains connection cables. 10.2.3 Changing the motor Increased bearing noises and unusual vibrations indicate bearing wear. The bearings or motor must then be replaced. The drive may only be replaced by the Wilo customer ser- vice! Dismantling: WARNING...
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33.Install the coupling guard. 34.Connect the motor cable or mains connection cable. Always tighten screws diagonally. Screw connection Tightening torque Post Shaft size Size/tensile strength Nm ± 10 % class Impeller – Shaft A2-70 Impeller – Shaft Impeller – Shaft Impeller – Shaft Impeller – Shaft Impeller – Shaft Impeller – Shaft Installation and operating instructions Wilo-Atmos GIGA-B...
Table 5: Screw tightening torques Faults, causes and remedies WARNING Have faults remedied by qualified personnel only! Observe all safety in- structions! If the malfunction cannot be rectified, consult a specialist technician or the nearest Wilo customer service or representative location. WILO SE 2021-08...
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Check faces and centrings and between lanterns and motor and lantern and pump housing, clean if necessary. Impeller grinding. Check the coupling and shaft sliding surfaces. If necessary, clean and slightly oil them. Table 6: Faults, causes and remedies Installation and operating instructions Wilo-Atmos GIGA-B...
Spare parts Spare parts Obtain genuine spare parts only from a qualified specialist or Wilo customer service. To avoid queries and order errors, please provide all pump and drive rating plate data with every order. CAUTION Risk of material damage! Trouble-free pump operation can only be guaranteed when original spare parts are used.
Please consult your local municipality, the nearest waste disposal site, or the dealer who sold the product to you for information on proper disposal. See www.wilo‑recycling.com for more information about recycling. Subject to change without prior notice! Installation and operating instructions Wilo-Atmos GIGA-B...
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Local contact at www.wilo.com/contact WILO SE Wilopark 1 44263 Dortmund Germany T +49 (0)231 4102-0 T +49 (0)231 4102-7363 wilo@wilo.com Pioneering for You www.wilo.com...
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