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Table of Contents
Troubleshooting
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Summary of Contents for Winterwarm DXA75
- Page 1 INSTALLATION MANUAL AIR HEATER TYPE DXA DXA - en - v2.0 - 12 / 2019...
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Page 2: Table Of Contents
Content 1 Introduction 7 Commissioning the air heater 1.1 Symbols used in this manual 7.1 Adjusting the settings 1.2 Warranty 7.2 Commissioning the air heater 2 Safety instructions 8 Combustion settings 2.1 Installation 8.1 Adjusting the burner settings 2.2 Use 8.2 Converting to another gas type 2.3 Maintenance &... -
Page 3: Introduction
1 Introduction This manual is intended for the gas, electrical and CAUTION! Indicates a potentially dangerous situation mechanical installer. that could lead to injury or product damage. This document gives instructions on how to use and NOTICE Indicates important information that is not maintain the air heater. -
Page 4: Maintenance & Cleaning
2.2.1 Maximum CO concentrations 2.3.1 Protection from water (IP class) This air heater uses oxygen from the surrounding air for WARNING! Never use water when cleaning electrical the combustion process. CO is formed and emitted as a parts. result. Too much CO in the air may be harmful to people, animals and crops. -
Page 5: Technical Specifications
3 Technical specifications 3.1 Performance Technical specification Unit Type DXA v4.1 DXA75 DXA100 DXA120 Net nominal heat input 75.0 99.8 Heat output 75.0 99.8 Air output 6000 6000 7000 Throw horizontal Gas connection G” 3/4" 3/4" 3/4" Electrical connection (50 Hz) Electrical power consumption 0.55... - Page 6 Supply pressure (min. - max.) mbar 20-30 Gas category NL: II DE: II BE: I FR: II Class Specification Unit DXA75 DXA100 DXA120 Gas consumption 11.8 14.2 Burner injectors n x Ømm 1x 8.5 1x 10.5 1x 12.0 Burner pressure mbar 11.5...
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Page 7: Dimensions
20-50 Gas category P B/P NL: II DE: II BE: I FR: II PL: II ELwLs Class Specification Unit DXA75 DXA100 DXA120 Gas consumption kg/h Burner injectors n x Ømm 1x 5.85 1x 6.85 1x 7.8 Burner pressure mbar 13.0 13.0... -
Page 8: Installation
4 Installation 4.1 Preparation • Make sure the wall can support the air heater. Before installation, please use the data badge to check: • if the heater is in accordance with the order; • if the heater is suitable for the local present provisions (gas type, gas pressure, electrical supply etc.) Before leaving the factory, the air heater has been tested... -
Page 9: Electrical Connection
For United Kingdom only: 4.5.1 Installation requirements The supply line for gas must comply with the Gas Following these requirements when placing the thermostat Engineers publications UP-1 and UP-2, as well as with BS to ensure the heater functions correctly: 6891. - Page 10 NOTICE The air heater must be switched off when setting ...8 the switches. Otherwise the settings will have no effect. Bus com 22°C Figure 5 - Bus communication connection 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 22°C 1 2 3 4 5 6 7 8 Figure 8 - Connection of multiple air heaters to a...
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Page 11: Flue Systems
4.5.4 ON/OFF thermostat installation To connect the air heater to an ON/OFF room thermostat, do the following: NOTICE Never combine these connections with the terminals 6 and 7 of other air heaters. • Connect the two thermostat wires to terminal 6 and 7 (see figure 10 or the electrical wiring diagram in NOTICE Always use separate relays for each air heater. -
Page 12: Operating The Air Heater
6 Operating the air heater 6.1 Burner cycle 6.3 Summer ventilation The air heater’s display shows the current status of the The fan can be set to run in the summer. Follow the burner cycle (figure 11). instructions in the user manual of the special Room thermostat. -
Page 13: Commissioning The Air Heater
When the supply pressure is too low, the heater will NOTICE When multiple heaters start at the same time, not work. Error A-09 will be shown on the display. The the gas pressure may drop. When the gas pressure setting from the pressure switch is shown in the technical restores, the heater will automatically restart. - Page 14 3. Press the (–) button until 0 is displayed to exit the service. The air heater will always cool down the heat exchanger for several minutes. The test mode will automatically end after 10 minutes. Figure 12 - Using the display...
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Page 15: Combustion Settings
3. Switch on the air heater and start heating. Nominal CO percentage 4. Check whether the burner pressure is equal to the nominal burner pressure for this air heater (see Gas type DXA75 DXA100 DXA120 §3.1 - Technical specifications). High calorific gas (G20) 7.5% 7.5%... -
Page 16: Converting To Another Gas Type
8.2 Converting to another gas type 3. Remove the two connecting boots (figure 15 - 9) from the ignition electrode by gently pulling at the To change the gas type of the heater, the gas injector has cables. to be changed (figure 15 - 6). 4. -
Page 17: Troubleshooting
9 Troubleshooting 9.2 Temporary errors If the air heater malfunctions, first check if the problem is caused by external circumstances (e.g. no supply power). If the problem is not caused by external circumstances, The table below describes the temporary errors that can use the tables and instructions in this chapter to fix the air occur. -
Page 18: Instructions
9.4 Instructions • Recirculation of flue gas. Due to a problem with the flue terminal the flue gas is sucked back into the air After identifying the problem, use the Case number to find inlet. This results into a lack of oxygen and causes the possible cause in this paragraph. -
Page 19: Further Troubleshooting
9.5 Further troubleshooting 9.5.1 Explosive ignition and/or frequent flame failures When the air heater does start but shows a different • Check if the gas control settings are correct (see problem than described above, check if the following §3.2). A correct CO value is important for a proper problems apply. -
Page 20: Extensive Maintenance In Poultry Sheds
10.4 Extensive maintenance in from the ignition electrode by gently pulling at the poultry sheds cables. 4. Unscrew the four nuts that connect the burner unit to the air inlet. WARNING! Do not use a pressure washer to clean parts 5. -
Page 21: Electrical Wiring Diagram
11 Electrical wiring diagram A complete electrical wiring diagram is shown in figure 17. The connections that are most important to the installation process are shown in figure 18. Connection type 21 (0-10V) Alarm output 230 V V (optional) J9- 1 20 (GND) Bus communication system J9- 3... -
Page 22: Exploded View And Spare Parts
The parts of the air heater are shown in an exploded view in figure 19. The table below describes each part and shows the correct article number for a replacement part. Figure 19 - Exploded view of the DXA Description DXA75 DXA100 DXA120 Flame stabilizer... -
Page 23: Declaration Of Conformity
7102 DZ, Winterswijk The Netherlands Declares that air heater types: • DXA75, DXA100 and DXA120 – CE PIN: 0063BU3035 Are in accordance with the essential requirements of the relevant EU directives, being: • 2016/426/EU (GAR) relating to appliances burning gaseous fuels •...
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