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Unit supplied with instruction manuals, electrical diagrams, spare parts list, CE declaration, and guarantee certificate.
Monobloc direct expansion AC unit for telephone exchanges, shelters, and technological applications.
Control system functions for monitoring, fault indication, and component safety.
Unit protection against faults via pressostats, safety thermostat, and phase sequence relay.
Conforms to 73/23/CEE; 24V auxiliary circuit, short-circuit protection, axial fan guards.
Details frame, panels, filters, fans, cooling coil, electrical heaters, electrical panel, and compressors.
Graphical representation of operating limits based on room and outside air temperatures.
Lists optional accessories like RVC/e, user terminal, clock circuit, LAN board, RS485 output, etc.
Describes air intake, cooling, and delivery for mechanical cooling mode.
Explains free cooling cycle using fresh air, recycled air, and damper control.
Allows pre-setting a minimum damper opening for fresh air introduction in any mode.
Dynamic control of free-cooling phase for maximized energy saving by comparing thermal load and outside temperature.
Location and content of the data plate: model, serial number, power supply, absorption, settings, refrigerant type.
Step-by-step guide for connecting power, switching on, checking LEDs, phase sequence, and initial tests.
Details functions provided by the control board: temp/humidity control, alarms, scheduling, remote control, etc.
Lists and illustrates sensors (RVC/e, TSR, SM, SE, ST-STU, FS, PFS) and pressure switches (AP-BP, SPC).
Describes optional RVC/e TRIAC regulator for condenser fan speed based on condensation temperature.
Instructions for setting room temp/humidity, dirty filter sensor, and checking safety devices (AP, BP, TSR).
Guide for setting the FS differential pressostat to detect fan faults or low airflow.
Procedure for setting the PFS pressostat based on filter dirtiness and airflow.
Tables detailing cooling capacity, power supply, compressor, fans, filters, dimensions for models 0121-0331.
Detailed electrical specifications for unit components like compressors, fans, and heaters.
List of regular maintenance operations to be performed on the unit.
Instructions for inspecting, cleaning, or changing the air filter cartridge.
Procedure for cleaning the metal pre-filter on the front air intake for free-cooling units.
Instructions for cleaning obstructed condenser coil fins with compressed air.
Steps for accessing and replacing the damper motor in the unit.
Guide for accessing and changing electric heating elements in WM* 0551-0661 models.
Instructions for cleaning or changing the condensate drain tube.
Procedure for checking and topping up the refrigerant charge in the unit's circuit.
Details on charge quantity, super-cooling/superheating checks, and recommended oils for refrigerants.
Guidance on identifying and solving problems, including alarm indications and general checks.
Troubleshooting for high or low room temperature alarms, including possible causes and remedies.
Troubleshooting for high or low room humidity alarms, including causes and remedies.
Troubleshooting for lack of airflow, including causes like dirty filters or obstructed airflow.
Troubleshooting for high compressor output pressure and high/low pressure pressostat intervention.
Troubleshooting for high/low compressor intake pressure and pressostat BP intervention.
Troubleshooting for compressor not working, internal protection activation, and noisy operation.
Troubleshooting for electric heaters not working, including safety thermostat and contactor issues.
Troubleshooting for free-cooling cycle not starting, and issues with room temperature and humidity alarms.
General| Brand | Uniflair |
|---|---|
| Model | WMF 0661 |
| Category | Air Conditioner |
| Language | English |
