1. Introduction
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of the Rittal Top Therm Wall Mounted Air Conditioner, Model 3305540. This unit is designed to provide efficient cooling for industrial enclosures, ensuring optimal operating conditions for sensitive electronic components. Please read this manual thoroughly before installation and operation to ensure safe and correct usage.
2. Safety Information
Adherence to safety guidelines is crucial for preventing injury and damage to the equipment. Always follow local electrical codes and safety regulations.
- Electrical Safety: Ensure the power supply matches the unit's requirements (400/460V, 50/60 Hz). Disconnect power before any installation, maintenance, or repair work.
- Qualified Personnel: Installation and servicing should only be performed by qualified and authorized personnel.
- Proper Grounding: The unit must be properly grounded to prevent electrical shock.
- Refrigerant Handling: This unit contains R134a refrigerant. Handling of refrigerants should only be done by certified technicians.
- Ventilation: Ensure adequate air circulation around the unit for proper heat dissipation.
- Weight: The unit weighs approximately 99 pounds. Use appropriate lifting techniques and equipment during installation.
3. Setup and Installation
The Rittal Top Therm Air Conditioner is designed for wall mounting and comes fully wired, ready for connection. Drilling templates and assembly hardware are included.
3.1 Unpacking and Inspection
- Carefully remove the unit from its packaging.
- Inspect the unit for any signs of shipping damage. Report any damage to the carrier immediately.
- Verify all components listed in the packing list are present.
3.2 Mounting Instructions
The unit measures 15-3/4" (Width) x 37-25/64" (Height) x 10-15/64" (Depth). Ensure the mounting surface is capable of supporting the unit's weight (99 lbs).
Figure 3.2.1: Rittal 3305540 Air Conditioner with labeled dimensions. The unit is 15.75 inches wide, 37.39 inches high, and 10.23 inches deep.
- Use the provided drilling template to mark the mounting holes on the enclosure or wall.
- Drill the necessary holes according to the template.
- Secure the air conditioner to the mounting surface using the supplied assembly hardware. Ensure a tight and stable fit.
- Verify that the unit is level and securely fastened.
3.3 Electrical Connection
The unit features a plug-in terminal strip connection. Ensure all electrical connections are made by a qualified electrician.
- Connect the power supply (400/460V, 50/60 Hz) to the designated terminals.
- Ensure proper grounding.
- Install appropriate pre-fuses (T - 10.0 A) as specified.
- Verify all connections are secure before applying power.
4. Operating Instructions
The Rittal Top Therm Air Conditioner is equipped with a comfort controller for temperature management.
Figure 4.1.1: Front view of the Rittal 3305540 Air Conditioner, showing the comfort controller display and air vents.
4.1 Initial Startup
- After completing all electrical connections, switch on the main power supply to the unit.
- The comfort controller display will illuminate.
- Allow a few minutes for the system to stabilize.
4.2 Temperature Control
- The comfort controller allows setting the desired temperature within a range of 68°F to 131°F (20°C to 55°C).
- The factory setting for temperature control is +95°F (35°C).
- Refer to the separate comfort controller manual for detailed instructions on adjusting settings, viewing operational parameters, and accessing advanced features.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of the air conditioner. Always disconnect power before performing any maintenance.
5.1 Filter Cleaning/Replacement
- Check air filters regularly (e.g., monthly, depending on environment).
- Clean filters using compressed air or wash with mild soap and water. Ensure filters are completely dry before reinstallation.
- Replace filters if they are damaged or cannot be cleaned effectively.
5.2 Condensate Management
- The unit features an integrated condensate evaporator.
- Periodically check the condensate drain for blockages. Clear any obstructions to ensure proper drainage.
5.3 General Cleaning
- Wipe down the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure air intake and exhaust vents are free from dust and debris.
6. Troubleshooting
This section provides solutions to common issues. For problems not listed here, contact Rittal technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | No power supply; Blown fuse; Loose electrical connection. | Check main power supply; Inspect and replace fuses; Verify all electrical connections are secure. |
| Insufficient cooling. | Dirty air filters; Blocked air vents; Incorrect temperature setting; Refrigerant leak. | Clean or replace air filters; Clear obstructions from vents; Adjust temperature setting; Contact qualified technician for refrigerant check. |
| Excessive noise. | Loose mounting; Fan obstruction; Worn fan bearings. | Ensure unit is securely mounted; Check for debris in fan; Contact Rittal service for fan inspection. |
| Water leakage. | Blocked condensate drain; Unit not level. | Clear condensate drain; Ensure unit is installed level. |
7. Specifications
Detailed technical specifications for the Rittal Top Therm Wall Mounted Air Conditioner, Model 3305540.
| Parameter | Value |
|---|---|
| Model Number | 3305540 |
| Dimensions (W x H x D) | 15.75" x 37.39" x 10.23" (400mm x 950mm x 260mm) |
| Weight | 99 Pounds (44.9 kg) |
| Voltage | 400/460V |
| Frequency | 50/60 Hz |
| Rated Current (Amp) | 2.3 A / 2.6 A |
| Starting Current | 12.2 A / 11.3 A |
| Pre-fuse | T - 10.0 A |
| Cooling Capacity (L35 L35) | 1500/1510 W (5123/5157 BTU) |
| Cooling Capacity (L35 L50) | 1230/1250 W (4201/4269 BTU) |
| Power Consumption (L35 L35) | 800 W / 980 W |
| Power Consumption (L35 L50) | 960 W / 1150 W |
| Refrigerant | R134a (21.2 oz) |
| Temperature Range | 68°F to 131°F (20°C to 55°C) |
| Protection Rating (External) | IP 34 (NEMA 2) |
| Protection Rating (Internal) | IP 54 (NEMA 12) |
| Air Displacement (Internal) | 471 cfm |
| Certifications | CE 3 238 305, CSA 1528625, cUL SA 8250, GS 44 315 09 368698-002, UL SA 8250, UL Type 12 |
8. Warranty and Support
8.1 Limited Warranty
The Rittal Top Therm Wall Mounted Air Conditioner, Model 3305540, comes with a limited warranty. Please refer to the warranty card included with your product or visit the official Rittal website for detailed terms and conditions regarding coverage, duration, and limitations.
8.2 Technical Support
For technical assistance, service requests, or inquiries not covered in this manual, please contact Rittal technical support. Have your model number (3305540) and serial number ready when contacting support.
- Rittal Official Website: www.rittal.com
- Customer Support: Refer to the Rittal website for regional contact information and support channels.
