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INSTALLATION MANUAL
AIR HEATER
TYPE SUH-DC
SUH-DC - en - v2.6 - 07 / 2021

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Summary of Contents for Space-Ray SUH-DC

  • Page 1 INSTALLATION MANUAL AIR HEATER TYPE SUH-DC SUH-DC - en - v2.6 - 07 / 2021...
  • 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

    Contact data: Space-Ray Gas Fired Products (UK) Limited Chapel Lane, Claydon Ipswich, Suffolk, IP6 0JL. Tel. : +44 (0) 1473 830 551 Email: info@spaceray.co.uk INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 4: Safety Instructions

    2 Safety instructions 2.2 Use Always follow the safety instructions in this chapter when installing, using or performing maintenance on this air heater: CAUTION! Make sure the area around the air heater is dry when performing maintenance on the air heater. 2.1 Installation CAUTION! Always close the doors and inspection hatches...
  • Page 5: Technical Specifications

    42 - 54 42 - 54 43 - 55 47 - 62 48 - 64 48 - 64 50 - 65 52 - 67 52 - 67 Min. suspension height (horizontal throw) Flue length (max.) Weight INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 6: Gas Types

    3.2 Gas types 3.2.1 Natural gas G20 Specification Unit Natural gas G20 Nominal supply pressure mbar Supply pressure (min. - max.) mbar 17-25 Gas category BE: I E(s) FR: I DE: I NL: I Class B23, C13, C33 Specification Unit DC10 DC20 DC30...
  • Page 7: Dimensions

    1065 Figure 3 - Dimensions of the SUH-DC50 and 60 Type 80, 100 & 120 Gas 1" int. IN Ø130 OUT Ø130 1115 Ø40 Figure 4 - Dimensions of the SUH-DC80, 100 and 120 INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 8: Installation

    4 Installation 4.1 Preparation 4.2 Positioning the air heater Before installation, please use the data badge to check: Keep the following requirements in mind when choosing a location to install your air heater: • if the heater is in accordance with the order; •...
  • Page 9: Gas Type & Connection

    The air heater is equipped with threaded sockets to suspend the unit. • Use the suspension kit that is compatible with your air heater. The suspension kit is not delivered with the air heater. Contact your supplier. INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 10: Room Thermostat

    • Make sure that air can circulate around the thermostat. • Make sure the sun does not shine directly upon the thermostat. • Do not place the thermostat on a cold wall. • Place the thermostat on an inner wall free from draught.
  • Page 11 If the J14 switch of more than one air heater is set to the same number, the system will not work. NOTICE The air heater must be switched off when setting the switches. Otherwise the settings will have no effect. INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 12: Flue Systems

    5 Flue systems To ensure safe and proper use, this air heater must be connected to a flue system. This flue system must be installed according to this manual as well as national and local regulations. A flue system consists of a flue terminal, piping and an optional condensate discharge system.
  • Page 13: Flue Length (Max.)

    Connect the other end of the siphon to a discharge system with the following requirements: – Min. Ø25 mm pipes. – Min. downward inclination of 50 mm/m. – Max. horizontal length of 5 m. INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 14: Installation Of The Flue Terminal

    5.4 Installation of the flue terminal • Install a second siphon with an open inlet. This ensures that the condensate can always exit the heater. There are flue terminals available for installation through a • Fill both siphons with water. This prevents flue roof or through a wall.
  • Page 15 6. Insert screws to fix the terminal in place. the seals. 7. Seal the edges of the flue terminal with kit. 8. Fix the shield on the inside of the wall. CAUTION! Do not drill or screw in the flue elements. INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 16 CAUTION! Do not try to seal the connections with kit, When installing a flue system inside a shaft, do the foam or tape. following: CAUTION! Do not use grease, vaseline or oil to lubricate 1. Check the components for possible damage or the installation.
  • Page 17: Operating The Air Heater

    The air heater can function as a de-stratification fan. This circuit board or remotely with the special room thermostat. is called delta-T regulation and it is done via the room thermostat, with a temperate measurement sensor that is located on the air heater. INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 18: Flue Passage Check

    6.5.2 Flue system NOTICE A manual reset can be done on the electronic circuit board or remotely with the special room thermostat. A flue sensor (NTC) is located in the flue system of the air heater. This sensor monitors the flue temperature. 6.6 Flue passage check If the flue system becomes too hot, this sensor will cause the heating process to stop.
  • Page 19 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 21 - Using the display INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 20: Combustion Settings

    8 Combustion settings In principle, it is not necessary to adjust the control shortly Look for the correct CO value for the air heater in after commissioning the air heater. When the control does paragraph3.2. Adjust the CO2 value if the difference is have to be adjusted after a period of use or after installing more then 0,3%: a new heater, this must be done by a qualified person...
  • Page 21: Troubleshooting

    Too many flue temperature error errors A-02 Configuration error Heater configuration error L-43 Overheating Heat exchange sensor is A-07 Overheating Heat exchange sensor is overheated too often almost overheated A-08 Overheating Flue sensor is almost overheated INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 22: Instructions

    9.4 Instructions Case 5: Too many flame failures while burning. After identifying the problem, use the Case number to find • The gas supply is not constant. This results in a the possible cause in this paragraph. drop in gas supply pressure while burning and causes the flame to extinguish.
  • Page 23: Further Troubleshooting

    3. Turn off the power supply to the air heater using the maintenance switch. CAUTION! Always check for gas leaks after working on the air heater. CAUTION! Do not use water when cleaning the air heater. CAUTION! The heater must be electrically isolated during servicing. INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 24: Basic Maintenance

    10.2 Basic maintenance 10.3 Maintenance of the burner unit To perform basic maintenance on the air heater, do the The burner unit is an important part of the air heater and following: requires special maintenance. CAUTION! When cleaning parts of the air heater, use To perform maintenance on the burner unit, do the a dry cloth, brush, compressed air or a vacuum cleaner.
  • Page 25: Electrical Wiring Diagram

    J4- 6 J12- 2 20K@25°C J12- 5 J5- 1 J12- 3 20K@25°C J5- 2 J12- 6 Modbus J5- 4 J5- 3 22°C J8- 1 LED RESET J8- 2 Figure 25 - Electrical wiring diagram AC INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 26 Connection type Alarm output 230 V (optional) Modbus connection (optional) 21 (0-10V) J9- 1 0 - 10 V input (optional) 20 (GND) J9- 3 Modulating thermostat J9- 2 J2- 1..6 ON/OFF thermostat (optional) J9- 4 Display (2 x 7 segment) J6- 1 J6- 8 Red and green LED...
  • Page 27: Exploded View And Spare Parts

    The parts of the air heater are shown in an exploded view in figure 28 or 29. The table below describes each part and shows the correct article number for a replacement pPart Figure 28 - Exploded view of the SUH-DC10 - DC60 Figure 29 - Exploded view of the SUH-DC80 - DC120 INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...
  • Page 28: Disposal And Recycling

    Description DC10 DC20 DC30 DC40 DCR50 DC60 DC-80 DC100 DC120 Burner GA3206 GA3207 GA3208 GA3208 GA3210 GA3212 GA3208 GA3210 GA3212 natural gas Burner GA3224 GA3226 GA3228 GA3228 GA3230 GA3232 GA3228 GA3230 GA3232 propane Ignition / GA3460 GA3460 GA3460 GA3460 GA3460 GA3460 GA3460 GA3460...
  • Page 29: Declaration Of Conformity

    Goods should be installed and used in accordance with our instructions and with the applicable local and international rules. Installation should be done by an authorized, qualified and competent installer. Ipswich, February 11 2021 Stephan Richter Chief engineer INSTRUCTION MANUAL AIR HEATER TYPE SUH-DC...

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