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Failure to follow instructions or misuse voids the warranty.
Operator must apply safe methods and observe local safety instructions and regulations.
Installation, operation, maintenance, and repair by authorized, trained, and skilled engineers.
Use care during transport, avoid dropping, use forklift correctly.
Install horizontally with 50cm clearance; consider ambient temperature and atmosphere.
Only skilled engineers should install; do not modify safety devices; use pressure relief valves.
Review safety, check piping, ensure correct pressure, and open drains to atmosphere.
Designed to remove water vapor from industrial compressed air for indoor operation.
Details on the label affixed to the refrigerant compressed air dryer cabinet.
The refrigerant circuit is divided into low-pressure, high-pressure, and control sections.
Components specific to water-cooled dryers: water valve and high-pressure switch.
Describes the cycle of refrigerant compression, condensation, expansion, and evaporation.
Explains how compressed air is cooled, condensed, and separated.
Key components and their roles in the compressed air dryer working principle diagram.
Function of the refrigerant compressor and common types used.
How the condenser dissipates heat, including air-cooled and water-cooled types.
Points to consider for condenser maintenance, especially regarding clogging and water quality.
Thermal sensitive switch for compressor temperature and overintensity.
Manually reset switch protecting the refrigerant line against bursts.
Ensures total water removal and traps solid particles in the refrigerant circuit.
Safety switch stops the dryer on cooling water failure; requires manual reset.
Control valve maintains constant over-heats of refrigerant in the evaporator.
Achieved via hot gas injection to maintain constant evaporating pressure.
Details on the condensate drain and trap assembly for easy isolation and maintenance.
Composed of economizer, air/refrigerant heat exchanger, and centrifugal separator.
Diagram illustrating the air-cooled system with key components and flow.
Adjustable temperature switch located inside the dryer (0°C to 35°C).
Features energy saving, dew point monitoring, status reports, and run time meter.
Energy saving device for dryer efficiency, offering dew point and status reports.
Details the control panel elements for KRAD M series, including monophase and digital controller.
Recommends changing filter elements for efficiency and keeping spares in stock.
Warns against using KRAD M dryers with dryers having higher pressure drop without confirmation.
Regularly check the digital temperature controller Digi-Pro on the dryer.
Warning about leaving the dryer off while compressed air is flowing.
Set rotary switch to 'I' for preheating; allow minimum 4 hours preheating after a long stop.
Procedure for daily operation: push ON button, stop airflow before setting switch to '0'.
Features: dew point monitoring, energy saving, status reports, run time, temp selection.
Overview of the Digi-Pro controller display and its functions.
Explanation of SET, PROGRAM, POWER, MENU, and MANUAL DRAIN buttons.
Lists alarm codes, descriptions, and reasons for alarms like temperature, pressure, filter.
Explains indicators for Dryer Active, Automatic Drain, Energy Saving, Units, and Service modes.
Step-by-step guide for replacing filter kits using an encryption code for DigiPro controllers.
Guidelines for connecting drain hoses: length, height, diameter, and atmospheric pressure.
Detailed specifications for KRAD models including capacity, voltage, power, and pressure drop.
Nominal working pressure, temperature limits, and water pressure for air-cooled models.
Maximum working pressure, water temperature limits, and water pressure for water-cooled models.
Diagram and component list for the air flow of KRAD 15M and KRAD 25M models.
Diagram and component list for the air flow of KRAD 40M to KRAD 80M models.
Diagram and component list for the air flow of KRAD 100M to KRAD 150M models.
Diagram and component list for the air flow of KRAD 200M to KRAD 250M models.
Provides information on protective earth conductor requirements for the dryer.
Detailed electrical diagram for KRAD 15M and KRAD 25M models with component labels.
Detailed electrical diagram for KRAD 40M to KRAD 125M models with component labels.
Detailed electrical diagram for KRAD 150M to KRAD 250M models with component labels.
Dimensional drawings and component layout for the KRAD 15M model.
Dimensional drawings and component layout for the KRAD 25M model.
Dimensional drawings and component layout for the KRAD 40M model.
Dimensional drawings and component layout for the KRAD 60M model.
Dimensional drawings and component layout for the KRAD 80M model.
Dimensional drawings and component layout for the KRAD 100M model.
Dimensional drawings and component layout for the KRAD 125M model.
Dimensional drawings and component layout for the KRAD 150M model.
Dimensional drawings and component layout for the KRAD 200M model.
Dimensional drawings and component layout for the KRAD 250M model.
Table listing models, replacement kits, control type, dimensions, and weight.
Key operational parameters applicable to all models, including pressure and temperature settings.
Visual representation of components for KRAD 15M, with numbered parts.
Detailed list of parts for KRAD 15M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 25M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 40M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 60M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 80M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 100M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 125M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 150M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 200M, including item number, part number, description, and quantity.
Detailed list of parts for KRAD 250M, including item number, part number, description, and quantity.
Lists electrical components like transformers, lights, relays, switches, and motors.
Lists components within the refrigerant circuit: receiver, drier, valve, condenser, gauges.
Lists components related to the compressed air path: inlet prefilter, drain filter, pneumatic drain.
Diagnoses for when the compressor does not start, covering phase issues, protection trips, and temperature.
Troubleshooting for when the fan is not running, checking airflow and pressure switch.
Addresses issues with excessive compressor vibration and mechanical noise, often related to liquid refrigerant.
Diagnoses for intermittent operation, including ambient temperature, clogged fins, and refrigerant issues.
Addresses high pressure, low/high dew point, and airflow problems, linking them to condenser and refrigerant.
Covers excessive ambient temperature, clogged condenser fins, and refrigerant shortage causes.
Troubleshoots error signs on the digital temperature control, related to dew point and working conditions.
Addresses drain port issues, back pressure, and recommended drain hose specifications.
Details warranty terms, limitations, exclusions, and service procedures for Keltec Air Dryers.
General| Brand | Keltech |
|---|---|
| Model | KRAD M Series |
| Category | Dehumidifier |
| Language | English |
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