About this task
CAUTION
- Risk of Property Damage
- Mount the pressure control separately from the electrical cabinet and seal all electrical piping to prevent ammonia from migrating to electrical components. Where there may be exposure to ammonia, use only ammonia-compatible control modules and pressure connections. System shutdown due to improper adjustment may cause property damage.
ATTENTION
- Risque de dégâts matériels.
- Installer le régulateur de pression séparément de l'armoire électrique et étanchéifier tous les conduits électriques afin d'éviter que de l'ammoniac n'entre en contact avec des composants électriques. En cas d'exposition potentielle à de l'ammoniac, utiliser uniquement des modules de régulation et des raccords de pression compatibles avec la présence d'ammoniac.- L'arrêt du système en raison d'un réglage inapproprié risque de provoquer des dégâts matériels.
Important:
- When installing the P499 transducers, observe all regulations governing the handling and containment of hazardous or regulated materials (refrigerants or lubricants).
- Locate pressure tap points on the top side of the refrigerant lines to reduce risk of equipment damage or malfunction caused by accumulation of oil, liquids, or sediment in the pressure chamber.
- Avoid severe pressure pulsations on high-side pressure connections by positioning the transducer away from compressor discharge.
Procedure
To mount the P499 transducer:
- Hand thread the P499 transducer to the pressure tap point.
- Tighten the connection using the wrench flats provided to avoid damaging the transducer.
- Perform a leak test on fittings and connections before putting the system into operation.