Maintenance, troubleshooting, spare parts and dismantling
28
DRYPOINT® RA HT 20-350 NA UL
12.3 Troubleshooting
Certified skilled personnel
Installation works must exclusively be carried out by authorised and qualified skilled personnel. Prior to
undertaking any measures on the DRYPOINT® RA HT 20-350 NA UL compressed-air refrigeration dryer,
the certified skilled personnel shall read up on the device by carefully studying the operating instructions.
The operator is responsible for the adherence to these provisions. The respective directives in force apply
to the qualification and expertise of the certified skilled personnel.
For safe operation, the device must only be installed and operated in accordance with the indications in
the operating instructions. In addition, the national and operational statutory provisions and safety
regulations, as well as the accident prevention regulations required for the respective case of application,
need to be observed during employment. This applies accordingly when accessories are used.
Danger!
Compressed air!
Risk of serious injury or death through contact with quickly or suddenly escaping compressed
air or through bursting and/or unsecured plant components.
Compressed air is a highly dangerous energy source.
Never work on the dryer when the system is under pressure.
Never direct the compressed-air outlet or condensate drain hoses at persons.
The user is responsible for the proper maintenance of the dryer. Non-observance of the instructions in the
"Installation" and "Maintenance, troubleshooting, spare parts and dismantling" chapters leads to the
expiration of the guarantee. Improper maintenance may result in dangerous situations for the personnel
and/or the device.
Danger!
Supply voltage!
Contact with non-insulated parts carrying supply voltage involves the risk of an electric shock resulting in
injuries and death.
Only qualified and skilled personnel are authorised to run electrically-operated devices. Prior to
undertaking maintenance measures at the device, the following requirements must be met:
Make sure that the power supply is switched off and that the device is off and marked for maintenance
measures. Please also ensure that the power supply cannot be re-established during the works.
Prior to carrying out maintenance works at the dryer, switch it off and wait for at least 30 minutes.
Caution!
Hot surfaces!
During operation, several components can reach surface temperatures of more than 140°F (60°C).
There is the risk of burns.
All components concerned are installed inside of the closed housing. The housing must only be opened
by certified skilled personnel.
Some components can reach high temperatures during operation. Avoid any contact until the system or
the component has cooled down.
Summary of Contents for DRYPOINT RA HT 100-P NA UL
Page 19: ...DRYPOINT RA HT 20 350 NA UL 19 10 2 Technical data DRYPOINT RA HT 150 350 NA E 1 230 60 UL ...
Page 34: ...Appendices 34 DRYPOINT RA HT 20 350 NA UL 13 1 2 Dryers Dimensions DRYPOINT RA HT 75 NA UL ...
Page 35: ...Appendices DRYPOINT RA HT 20 350 NA UL 35 13 1 3 Dryer dimensions DRYPOINT RA HT 100 NA UL ...
Page 36: ...Appendices 36 DRYPOINT RA HT 20 350 NA UL 13 1 4 Dryer dimensions DRYPOINT RA HT 150 NA UL ...
Page 46: ...Appendices 46 DRYPOINT RA HT 20 350 NA UL 13 3 2 Electric diagram DRYPOINT RA HT 20 50 NA UL ...
Page 47: ...Appendices DRYPOINT RA HT 20 350 NA UL 47 13 3 3 Electric diagram DRYPOINT RA HT 75 100 NA UL ...
Page 48: ...Appendices 48 DRYPOINT RA HT 20 350 NA UL 13 3 4 Electric diagram DRYPOINT RA HT 150 NA UL ...
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