Carrier 61WG 020 Installation, Operation And Maintenance Instructions

Contents

92.2.1 - MovingSee chapter 1.1 - “Installation safety considerations”.2.2.2 - Placing the unitAlways refer to the chapter “Dimensions and clearances”to confirm that there is adequate space for all connectionsand service operations. For the centre of gravity coordinates,the position of the unit mounting holes, and the weightdistribution points, refer to the certified dimensional drawingsupplied with the unit.Typical applications of these units are in refrigerationsystems, and they do not require earthquake resistance.Earthquake resistance has not been verified.In case of extra-high units the machine environment mustpermit easy access for maintenance operations.CAUTION: Only use slings at the designated lifting pointswhich are marked on the unit.Before siting the unit check that:• the permitted loading at the site is adequate or thatappropriate strenghtening measures have been taken.• the unit support points are located at the four lowercorners.• the positioning at these four points must be horizontal(level tolerance 1.5 mm/m in both axes)• if the support structure is sensitive to vibration and/ornoise transmission it it advisable to insert anti-vibrationmounts (elastomeric mounts or springs) between the unitand the structure. Selection of these devices is based onthe system characteristics and the comfort level requiredand should be made by technical specialists.• there is adequate space above the unit for air flow andto ensure access to the components.• the number of support points is adequate and that theyare in the right places.• the location is not subject to flooding.• No material or object that can be affected by condensate(even a small amount) must be left under the machineor in the water flow direction.CAUTION: Before lifting the unit, check that all casingpanels are securely fixed in place. Lift and set down the unitwith great care. Tilting and jarring can damage the unitand impair unit operation.ATTENTION: Stacked units must not be moved.If 61WG/30WG/30WGA units are hoisted with rigging, itis necessary to protect the unit frame (side and rear panelsand front doors) against accidental crushing. Use struts orlifting beams to spread the slings above the unit. Do not tilta unit more than 15°, or 5° for units with the stacking option(option 273). Always follow the instructions on the handlingnotice attached to the unit.If a unit includes a hydronic module (options 116 or 270),the hydronic module and pump piping must be installed in1.5 - Measures, provisions, procedures againstemergenciesWhen the machine is subjected to heat or fire, a deviceprevents explosion by releasing the refrigerant (via the reliefvalve). This fluid can be decomposed into toxic waste whensubjected to flame:- Stay away from the unit.- Set up warnings and recommendations for personnel incharge to stop the fire.- Fire extinguishers appropriate to the system and therefrigerant type must be easily accessible.2 - PRELIMINARY CHECKS2.1 - Check equipment received• Inspect the unit for damage or missing parts. If damageis detected, or if shipment is incomplete, immediatelyfile a claim with the shipping company.• Compare the name plate data with the order. The nameplate is attached in two places to the unit:- on one of the unit sides on the outside- on the control box door on the inside.• The unit name plate must include the followinginformation:- Version number- Model number- CE marking- Serial number- Year of manufacture and test date- Refrigerant used and refrigerant class- Refrigerant charge per circuit- Containment fluid to be used- PS: Min./max. allowable pressure (high and lowpressure side)- TS: Min./max. allowable temperature (high and lowpressure side)- Pressure switch cut-out pressure- Unit leak test pressure- Voltage, frequency, number of phases- Maximum current drawn- Maximum power input- Unit net weight• Confirm that the options ordered for on-site installationhave been supplied, are complete and undamaged.• Do not keep the 61WG/30WG/30WGA units outside wherethey are exposed to the weather, as the sensitive controlmechanism and the electronic modules may be damaged.The unit must be checked periodically during its wholeoperating life to ensure that no shocks (handling accessories,tools etc.) have damaged it. If necessary, repair or replace thedamaged parts (see chapter 15 “Maintenance”).The machine must be installed in a place that is not accessibleto the public or protected against access by non-authorisedpersons.2.2 - Moving and placing the unit