Introduction
This user manual provides comprehensive instructions for the installation, operation, and maintenance of your Truma CP Plus Control Unit. Please read this manual carefully before using the device to ensure safe and efficient operation. Keep this manual for future reference.
Safety Instructions
Always observe the following safety precautions:
- Ensure the power supply is disconnected before installation or maintenance.
- Installation should only be performed by qualified personnel.
- Do not expose the unit to extreme temperatures or moisture.
- Do not attempt to repair the unit yourself. Contact qualified service personnel.
- Use only original Truma accessories and spare parts.
Product Overview
The Truma CP Plus is a central control unit designed for Truma heating and air conditioning systems in recreational vehicles. It allows for precise control and monitoring of various climate functions.
Figure 1: Front view of the Truma CP Plus Control Unit. The display shows a temperature of 22 degrees Celsius, with icons indicating heating, water heater, and fan functions. A rotary knob is located below the display, and a return button is on the left. The unit is labeled "Truma iNet ready".
Setup
1. Mounting the Control Unit
Choose a suitable location for mounting the control unit, ensuring it is easily accessible and visible. Avoid direct sunlight or heat sources. Secure the unit using appropriate screws (not included) through the designated mounting holes.
2. Electrical Connection
Connect the Truma CP Plus to your vehicle's 12V power supply and to the Truma heating/air conditioning system using the provided wiring harness. Ensure correct polarity. Refer to the wiring diagram in your system's main manual for detailed connection points.
- Red wire: +12V DC
- Black wire: Ground (GND)
- Data bus wires: Connect to the Truma iNet Box or directly to compatible appliances.
3. Initial Power-On
Once all connections are secure, switch on the 12V power supply. The unit display should illuminate. Follow the on-screen prompts for initial setup, including language selection and system pairing.
Operating Instructions
1. Navigating the Menu
Use the rotary push button to navigate through the menu options. Turn the knob to scroll and press to select. The back button (left of the knob) returns to the previous screen.
2. Setting Temperature
From the main screen, turn the rotary knob to adjust the desired room temperature. The new temperature will be displayed and automatically set.
3. Selecting Operating Mode
Press the rotary knob to enter the main menu. Select "Operating Mode" to choose between heating, hot water, or combined modes. Available options depend on connected Truma appliances.
4. Timer Function
Access the "Timer" menu to program specific heating or hot water times. You can set start and end times, and desired temperatures for different periods.
5. Fan Speed Adjustment
If connected to a Truma air conditioning system, navigate to the "Fan" menu to adjust fan speed settings (e.g., Eco, Night, High).
Maintenance
The Truma CP Plus Control Unit requires minimal maintenance. Follow these guidelines to ensure longevity:
- Cleaning: Wipe the display and casing with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Software Updates: Periodically check the Truma website or consult your dealer for available software updates for your unit. Updates can improve performance and add new features.
- Connections: Annually inspect all electrical connections for tightness and corrosion.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | No power supply; Blown fuse; Loose connection. | Check 12V power supply; Inspect vehicle fuse box; Verify all electrical connections. |
| Display shows an error code. | Connected appliance fault; Communication error. | Refer to the specific error code in the main Truma appliance manual; Check data bus connections. |
| Temperature not regulating correctly. | Incorrect settings; Sensor issue. | Verify desired temperature and operating mode; Contact service if issue persists. |
If the problem persists after attempting the above solutions, please contact Truma customer support or an authorized service partner.
Specifications
- Brand: Truma
- Model Number: Reimo 721982
- ASIN: B087X7F78P
- Color: Neutral
- Power Supply: 12V DC (typical for RV applications)
- Compatibility: Truma heating and air conditioning systems with iNet Box or compatible interfaces.
- Country of Origin: Switzerland
Warranty and Support
For warranty information, please refer to the documentation provided with your Truma heating or air conditioning system, or visit the official Truma website. Truma does not provide specific information on spare parts availability or software update guarantees for this control unit directly in the product specifications.
For technical support, service, or to find an authorized Truma service partner, please visit the official Truma website or contact their customer service department. Always provide your model number (Reimo 721982) and ASIN (B087X7F78P) when seeking support.
Truma Official Website: www.truma.com
