Operating Manual - SAB 202 Manual for SAB 202 The screw compressor and the unit may be fitted In the table, the x mark indicates which equipment with different equipment, depending on their func- is fitted on your particular unit with the compressor tions and requirements.
(YORK Denmark ApS) - hereafter referred Contravention will be prosecuted. to as Sabroe Refrigeration - is not liable for In the space below you may enter the name and address of your local Sabroe representative 2/38 0175-168 - ENG Rev. 2005.09...
Warning! Sabroe Refrigeration. Sabroe Refrigeration is not liable for injuries to • The compressors are approved for applica- personnel or damage to equipment resulting from tion in potentially explosive atmospheres...
Signs and Warnings Signs and Warnings Identification of Sabroe Refrigeration equipment All Sabroe Refrigeration equipment can be identified by one or several name plates positioned as illus- trated in the following drawing: Fig. 2 SAB 202 screw compressor unit, position of name plates 1.
Operating Manual - SAB 202 Signs and Warnings Unit pipe system name plate If the unit has been approved by an author- ity, the design code will be shown here. Fig. 3 Unit pipe system name plate • Approval no.
Operating Manual - SAB 202 Signs and Warnings Compressor name plate • Year Year of manufacture. Fig. 4 Compressor name plate • Type Manufacturer's type designation. • Nominal speed Shows rotational speed of drive shaft at typ- ical running condition.
Operating Manual - SAB 202 Signs and Warnings Vessel name plate • Design code Shows the design code according to which Fig. 5 Vessel name plate the vessel was manufactured. • Approval no./CAT Shows the approval no. of the vessel issued...
“ON” should be per- the compressor and unit. formed by a Sabroe Refrigeration field service representative. The customer and subsequent transferees must make sure that any other person performing work with the electrical power “ON” is Caution trained and technically qualified.
Operating Manual - SAB 202 Signs and Warnings The sign: The temperature of tangible Other warning signs surfaces When a compressor is working, the surfaces which are in contact with the warm discharge gas Hazardous substance! will also get warm. However, the temperature de- pends on the refrigerants used as well as the op- erating conditions of the compressor.
Operating Manual - SAB 202 Signs and Warnings Emergency stop Fig. 6 Emergency stop • Make sure that the motor cannot start up inadvertently. It is recommended to remove all main fuses. Emergency stop • Switch off all electric components on the...
Operating Manual - SAB 202 Signs and Warnings Warnings in instructions Failure to observe information marked with Dan- ger! may cause death or serious injury to person- This section describes warnings used in instruc- nel or even to a third party.
Safety precautions Safety precautions Important! Observe the safety warnings on the compres- The safety precautions for this Sabroe compres- sor/unit. sor have been prepared to assist the operator, Use safety equipment. Wear appropriate gloves programmer, and maintenance personnel in prac- as well as eye and face protection when working tising good shop safety procedures.
Sabroe Refrigeration in case of Operators and maintenance personnel must care- questions. Use only Sabroe Refrigeration original fully read, understand and fully comply with all spare parts;...
Page 17
Operating Manual - SAB 202 Safety precautions When maintenance is to be performed in an area Close and fasten all guards, shields, covers, far away from the main switch and the switch is plates, and doors securely before reconnecting not locked, all start buttons must be tagged with power.
– Ester oil (E oil) with an effective biological treatment programme. See the section Selecting lubricating oil for Sabroe Refrigeration compressors in the oil rec- ommendation for Sabroe compressors. Note: These instructions only provide general information. The owner of the refrigeration plant is responsible for ensuring that all codes, regulations, and industry standards are complied with.
Operating Manual - SAB 202 Safety precautions Noise data for screw compressors Evaporating temperature = -15°C Evaporating temperature = -35°C Condensing temperature = +35°C Condensing temperature = -5°C Refrigerant = R22/R717 Refrigerant = R22/R717 Number of revolutions = 2950 rpm.
Operating Manual - SAB 202 Operating instructions Operating instructions Safety precautions safety sheets supplied by the supplier of the plant also explain the risks generally associated with re- Danger! frigerants. A number of safety considerations which must be Pressure read before operating the unit in question are pre- sented in the following.
Operating Manual - SAB 202 Operating instructions Preparations before start Check the oil level in the oil separator. It must not be higher than the upper sight Turn on the control voltage. The emergency glass. Oil must be added when the level stop button on the side of the control equip- reaches the lower sight glass.
Page 23
Operating Manual - SAB 202 Operating instructions Table 1 Position during operation Pos. no. Designation Position during operation Stop valve suction line Open Is opened by the Non-return valve suction line suction gas flow Air purge valve/ oil charging Closed...
Operating Manual - SAB 202 Operating instructions Principle drawing - position during operation Fig. 10 M10/8 POV80 BSV8 NOT TO BE INSTALLED WHEN EQUIPPED WITH EXT. OIL FILTER M22/19 1BAR M10/8 211 92 --1--25BAR M89/82.5 NON-RETURN VALVE ONLY DELIVERED BY...
Operating Manual - SAB 202 Operating instructions Checks to be performed during operation Choose a suitable picture from the display Monitoring of operation to follow the data which are to be checked. To ensure unproblematic operation, it is recom- After setup, check that oil pressure is ob-...
Operating Manual - SAB 202 Operating instructions Operations log Compressor type __________________ Compressor no. __________________ Refrigerant __________________ Compr. local no. __________________ Oil type __________________ Table 2 Monitoring the operation Machine room or system designation Date: Normal level Data registered at Check list 04.00...
Operating Manual - SAB 202 Operating instructions Stopping routine Brief stop Problems The compressor can be stopped at any capacity Some frequently encountered errors that can be setting. However, under normal conditions it is remedied by the operator are described below.
Operating Manual - SAB 202 Maintenance instructions Maintenance instructions Maintenance of the compressor unit General • Check the refrigerant charge. To ensure that the compressor unit operates with- • Search for leaks if there is even the out problems throughout a long service life, the...
Operating Manual - SAB 202 Maintenance instructions Checking the oil Operating hours between main inspections Service schedules See chart for main inspections Number of operating hours from initial start-up and after each main inspection 20,000h 30,000h 40,000h (see footnote) HCFC...
We advise you to let Sabroe Refrigeration’s serv- ice organization change the oil as it is recom- mended to replace all filters in the unit at the same time.
Operating Manual - SAB 202 Maintenance instructions Oil charging Oil charging is carried out by means of a portable from air bubbles after which the ball valve, pos. 9, oil charging pump, see Fig. 11. will close. The oil will now be charged to the unit.
Page 33
Operating Manual - SAB 202 Maintenance instructions Fig. 12 Piping diagram for oil charging 32/38 0175-168 - ENG Rev. 2005.09...
Page 34
Operating Manual - SAB 202 Maintenance instructions Table 3 Oil charge (oil level at the middle of upper sight glass during operation) Oil separator Compr. pipes Total, unit Litres Litres Litres Litres Oil cooler type SAB 202 SAB 202 SAB 202...
Operating Manual - SAB 202 Maintenance instructions Motor lubrication In connection with electric motors, it is absolutely Replacing motor bearings essential to lubricate the bearings correctly and Please contact Sabroe Refrigeration’s service or- use the appropriate type of grease. ganisation.
Operating Manual - SAB 202 Final disposal Final disposal Safety precautions Disposal of machine parts When dismantling the plant, it is important to sort Danger! the parts to be disposed of. Compressor, frame, containers, etc. belonging to the category of iron...
Operating Manual - SAB 202 Appendices Appendices References to instructions All relevant instructions for products supplied by sub-suppliers are collected here. The instructions from Sabroe Refrigeration and sub-suppliers must as far as possible be copied from the original instructions; firstly, to avoid er- rors and secondly, to avoid losing the right to claim damages.