Systemair Topvex SoftCooler SR09/SR11 Access Manual
Product Overview
This document provides access and operational information for the Systemair Topvex SoftCooler SR09 and SR11 units.
Brand: Systemair
Models: Topvex SoftCooler SR09, Topvex SoftCooler SR11
Related Models: TR 0915
Declaration of Conformity
The Topvex SoftCooler SR units comply with relevant EU directives:
- 2006/42/EC (Machinery Directive)
- 2014/35/EU (Low Voltage Directive)
- 2014/30/EU (Electromagnetic Compatibility Directive)
- 2014/68/EU (Pressure Equipment Directive - PED)
- 2009/125/EC (Ecodesign Directive) / Regulation 1253/2014
Compliance is based on adherence to harmonized standards including:
- EN ISO 12100 (Safety of machinery)
- EN 13857 (Safety of machinery - Guarding)
- EN 60204-1 (Electrical equipment of machines)
- EN 60335-1 (Household and similar electrical appliances - Safety)
- EN 60335-2-40 (Particular requirements for electrical heat pumps)
- EN 50106 (Performance testing of household refrigerating appliances)
- EN 13053 (Air handling units)
- EN 60529 (Degrees of protection provided by enclosures - IP)
- EN 62233 (Electromagnetic fields)
- EN 61000-6-2 (EMC - Immunity)
- EN 61000-6-3 (EMC - Emission)
- EN 378-2:2016 (Refrigerating systems and heat pumps - Safety and environmental requirements)
Declaration date: 27-01-2020. Signed by Sofia Rask.
System Description
The Topvex SoftCooler SR is an air handling unit designed for ventilation and heat recovery. It is suitable for various applications where efficient air treatment is required.
The unit is available in different configurations, indicated by model numbers such as SR09 and SR11.
Key features include efficient heat recovery, compact design, and compliance with energy efficiency standards.
Technical Data and Dimensions
Figure 1: SR09, SR11 Dimensions (mm)
This figure illustrates the physical dimensions of the SR09 and SR11 models. The table below summarizes these dimensions:
| Label | SR09 | SR11 |
|---|---|---|
| A | 1120 | 1230 |
| B | 600 | 800 |
| C | 400 | 400 |
| D | 108 | 135 |
| E | 104 | 165 |
| F | 260 | 215 |
| G | 915 | 1025 |
| Height | 665 | 695 |
| Width | 260 | 260 |
| Depth | 890 | 890 |
| Weight (approx.) | 100 kg | 104 kg |
Note: Specific dimensions may vary slightly based on configuration.
Figure 2: Technical Specifications
This table details the performance and technical specifications for the Topvex SoftCooler SR09 and SR11.
| Parameter | SR09 | SR11 | Unit |
|---|---|---|---|
| Airflow (max) | 9230 | 9230 | m³/h |
| Refrigerant | R410A | R410A | |
| Refrigerant Charge (max) | 4.1 | 4.8 | kg |
| Operating Temperature Range | -20 to +50 | -20 to +50 | °C |
| Power Supply | 3-phase, 15-400 Hz | 3-phase, 15-400 Hz | |
| Fuse rating | 50 A | 50 A |
Figure 3: Electrical Connections Diagram
This diagram illustrates the electrical terminal layout for connecting the unit. It shows connections for power supply, control signals, and internal components.
The diagram details connections for L1, L2, L3, N, PE, and various control inputs/outputs.
Figure 4: Control Diagram
This diagram outlines the control logic and signal flow for the Topvex SoftCooler unit, indicating inputs for sensors and external controls, and outputs for actuators and alarms.
Key control signals include DI (Digital Input), DO (Digital Output), and AO (Analog Output).
Installation
Proper installation is crucial for the optimal performance and longevity of the Topvex SoftCooler SR unit.
The unit should be installed in a location that allows for adequate ventilation and easy access for maintenance.
Figure 5: Topvex SR Connection
This diagram shows the recommended connection of the Topvex SR unit to the SoftCooler, typically involving ductwork and electrical connections.
Figure 6: SoftCooler Connection
This figure details the specific connection points and requirements for the SoftCooler unit, including air intake, exhaust, and potentially condensate drainage.
Figure 7: Mounting and Clearances
The unit requires specific clearances around it for proper airflow and maintenance access. The diagram shows recommended mounting positions and minimum distances to walls or other obstructions.
Recommended clearances are indicated in the diagram.
Figure 8: Pipe Connections
This diagram illustrates the refrigerant pipe connections, including suction and liquid lines, and any necessary insulation or support.
The recommended pipe sizing and connection methods are shown.
Figure 9: Electrical Diagram
This diagram provides a detailed electrical schematic of the unit, showing power distribution, motor connections, control wiring, and safety components.
It includes wiring for fans, control boards, and sensors.
Figure 10: Control Signals
This diagram details the input and output signals for the unit's control system. It specifies the function of each digital and analog input/output.
Key signals include:
- DI (Digital Input) for status signals or commands.
- DO (Digital Output) for alarms or status indications.
- AO (Analog Output) for transmitting measured values like temperature or pressure.
Specific signal assignments are detailed in the diagram and associated tables.
Electrical Connection Details (Figure 9 / 6.7.1)
The electrical connections are detailed in Figure 9 and further specified in section 6.7.1.
Main Power Connections:
| Connection | Description |
|---|---|
| L1, L2, L3 | Phase power supply |
| N | Neutral |
| PE | Protective Earth |
Control Connections:
| Terminal | Signal | Description |
|---|---|---|
| DI 1-10 | Digital Inputs | Various control signals, e.g., external enable, fault reset, filter alarm. |
| DO 1-15 | Digital Outputs | Status signals, e.g., unit running, fault indication, alarm output. |
| AO 90, 94 | Analog Outputs | Transmits values like supply air temperature, exhaust air temperature, or pressure. |
The unit operates on a 24-hour timer and requires a 0.5A fuse for control circuits.
Operation
The Topvex SoftCooler SR is designed for automatic operation, typically controlled by an external building management system or a local controller.
Key operational parameters include temperature settings, airflow rates, and ventilation modes.
The unit operates within a temperature range of -20°C to +50°C.
Specific operating setpoints for supply air, exhaust air, and mixed air are configurable.
Maintenance
Regular maintenance ensures the efficient and reliable operation of the Topvex SoftCooler SR.
Recommended maintenance includes:
- Filter replacement or cleaning.
- Inspection of fan belts and motors.
- Cleaning of heat exchanger surfaces.
- Checking electrical connections.
- Condensate drain inspection.
Refer to section 6.6 for detailed maintenance procedures.
Troubleshooting and Error Codes
This section provides guidance on identifying and resolving common issues.
Error codes are displayed on the control panel or communicated via the BMS.
Common Faults and Solutions
- Fault: Unit not starting. Possible Cause: No power, safety interlock active, incorrect control signal. Solution: Check power supply, verify control inputs, reset interlocks.
- Fault: Low airflow. Possible Cause: Clogged filters, blocked ductwork, fan issue. Solution: Clean/replace filters, check ductwork for obstructions, inspect fan.
- Fault: Unusual noise. Possible Cause: Loose components, fan imbalance, bearing wear. Solution: Inspect unit for loose parts, check fan assembly, listen for bearing noise.
Error Code Table (Example)
The following table lists common error codes and their meanings:
| Error Code | Description | Action |
|---|---|---|
| E0612 | Filter alarm | Clean or replace filter. Reset alarm. |
| E001 | Fan fault | Check fan motor and wiring. |
| E004 | Temperature sensor fault | Check sensor connection and integrity. |
| E005 | Communication error | Check communication wiring and settings. |
Detailed troubleshooting steps for specific error codes are provided in the manual.
Additional Information
For further details on specific functions, advanced settings, or system integration, consult the full Systemair documentation or contact Systemair support.
