Sealey SDH102.V2 - 1.3. Safety Precautions on Servicing; 2. Introduction

9  Beforeattemptingtomovethedehumidier,emptythecontentsofthecollectiontank.
9 Use top carrying handle when moving unit.
9  Switcho󰀨anddisconnectitfromthemainsbeforeattemptinganycleaningorothermaintenancework.
9  Ensurethatthedehumidieriscorrectlyturnedo󰀨whennotinuse,andstoredinasafe,dryarea,outofreachofchildren.
NOTE: This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack
of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person
responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
1.3. SAFETY PRECAUTIONS ON SERVICING
 WARNING:Anypersonwhoisinvolvedwithworkingonorbreakingintoarefrigerantcircuitshouldholdacurrentvalidcerticatefrom
an industry-accredited assessment authority, which authorizes their competence to handle refrigerants safely in accordance with an
 industry,recognizedassessmentspecication.
 WARNING: Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring
 theassistanceofotherskilledpersonnelshallbecarriedoutunderthesupervisionofthepersoncompetentintheuseofammable
refrigerants.
 WARNING: If you don’t understand something or need help, please contact Sealey.
1.3.1. Checks to the area
1.3.1.1.  Priortobeginningworkonsystemscontainingammablerefrigerants,safetychecksarenecessarytoensurethattheriskofignitionis
minimized. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on
the system.
1.3.2. Work procedure
1.3.2.1.  Workshallbeundertakenunderacontrolledproceduresoastominimizetheriskofaammablegasorvapourbeingpresentwhile
the work is being performed.
1.3.3. General work area
 Allmaintenancesta󰀨andothersworkinginthelocalareashallbeinstructedonthenatureofworkbeingcarriedout.Workinconned
 spacesshallbeavoided.Theareaaroundtheworkspaceshallbesectionedo󰀨.Ensurethattheconditionswithintheareahavebeen
 madesafebycontrolofammablematerial.
1.3.4. Checking for presence of refrigerant
1.3.4.1. The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of
 potentiallyammableatmospheres.Ensurethattheleakdetectionequipmentbeingusedissuitableforusewithammable
refrigerants, i.e. no sparking, adequately sealed or intrinsically safe.
1.3.5. Presence of re extinguisher
1.3.5.1.  Ifanyhotworkistobeconductedontherefrigerationequipmentoranyassociatedparts,appropriatereextinguishingequipment
 shallbeavailabletohand.HaveadrypowderorCO2reextinguisheradjacenttothechargingarea.
1.3.6. No ignition sources
1.3.6.1. No person carrying out work in relation to a refrigeration system which involves exposing any pipe work that contains or has
 containedammablerefrigerantshalluseanysourcesofignitioninsuchamannerthatitmayleadtotheriskofreor
 explosion.Allpossibleignitionsources,includingcigarettesmoking,shouldbekeptsu󰀩cientlyfarawayfromthesiteof
 installation,repairing,removinganddisposal,duringwhichammablerefrigerantcanpossiblybereleasedtothesurrounding
 space.Priortoworktakingplace,theareaaroundtheequipmentistobesurveyedtomakesurethattherearenoammable
 hazardsorignitionrisks.“NoSmoking”signsshallbedisplayed.
1.3.7. Ventilated area
1.3.7.1. Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot
work. A degree of ventilation shall continue during the period that the work is carried out. The ventilation should safely
disperse any released refrigerant and preferably expel it externally into the atmosphere.
1.3.8. Checks to the refrigeration equipment
1.3.8.1.  Whereelectricalcomponentsarebeingchanged,theyshallbetforthepurposeandtothecorrectspecication.Atalltimesthe
manufacturer’s maintenance and service guidelines shall be followed. If in doubt consult the manufacturer’s technical department
for assistance.
1.3.8.2.  Thefollowingchecksshallbeappliedtoinstallationsusingammablerefrigerants:
9 The charge size is in accordance with the room size within which the refrigerant containing parts are installed.
9 The ventilation machinery and outlets are operating adequately and are not obstructed.
9 If an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of refrigerant.
9 Marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected.
9 Refrigeration pipe or components are installed in a position where they are unlikely to be exposed to any substance which may
corrode refrigerant containing components, unless the components are constructed of materials which are inherently resistant to being
corroded or are suitably protected against being so corroded.
1.3.9. Checks to electrical devices
1.3.9.1. Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures. If a fault
exists that could compromise safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. If the
fault cannot be corrected immediately but it is necessary to continue operation, an adequate temporary solution shall be used. This
shall be reported to the owner of the equipment so all parties are advised.
1.3.9.2. Initial safety checks shall include:
9 those capacitors are discharged: this shall be done in a safe manner to avoid possibility of sparking.
9 that there no live electrical components and wiring are exposed while charging, recovering or purging the system.
9 that there is continuity of earth bonding.
2. i INTRODUCTION
Compact, efficient, low noise portable unit that extracts up to 10L of water per day. Removes excess moisture from air to prevent build-up of mildew
and mould. Features adjustable 24 hour timer, water-full indicator and auto defrosting. Digital control panel, LED display and 3-colour indicator to
show different RH% levels. Refrigerant is environmentally friendly R290. Supplied with 3A 3-pin plug and drain hose for continuous operation.
Original Language Version
© Jack Sealey Limited
SDH102.V2 Issue 1 21/07/22