Atmos Energy InterCombi HE32 User Manual

Atmos InterCombi Installation & Servicing Instructions for HE32 (GC 47-249-01) Atmos Heating Sy

determined by the weather dependent control programmed in the controller. During CH operation, the demanded CH

2.5 Test programmes In the controller, there is provision for putting the appliance into a test status. By activating a test programme, the appl

3. MAIN COMPONENTS A CH pump M Flue discharge (or concentric connection) B Gas valve N Connecting block / terminal list X C Clamping plat

13 3.1 Accessories Description Part Ref Pipe mounting bracket • Connection supply and return 22 mm diameter • Connection cold and hot water 1

14 4. INSTALLATION 4.1 Overall dimensions A= CH flow 22 mm diameter h= 670mm InterCombi HE 32 B= CH return 22 mm diameter C= Gas 1

15 4.2 Unpacking the appliance 1. Unpack the appliance. 2. Check the content of the packaging. This consists of:- • Appliance (A) • Mountin

16 4.4 Boiler location Clearances Above casing 200mm min Below casing 230mm min RH 30mm min LH 30mm min (in operation

17 4.5 Mounting and General Information CB B A A Depending on the mounting option ordered, the following mounting methods are ava

18 4.5.4 Installation connections 1. Make the various connections to the valves (see diagram). 2. Install a filling loop (not supplied) be

19 4.8 Condensate disposal The appliance is provided with a 25 mm flexible pipe from its condensate trap. As given in §4.6, this should b

© 2010 Atmos Heating Systems The information provided applies to the product in the standard model. Atmos Heating Systems can therefore not be hel

20 5. CONNECTIONS Note The flexible tube from the pressure relief safety valve can be inserted directly into the waste pipe if suitably located

21 5.1.4 Underfloor heating For a good operation of the domestic hot water supply, there must be no undesired circulation through the applia

22 5.3 Connecting the gas supply 1. Connect the appliance gas valve to the gas pipe. 2. Check the boiler's data plate to ensure that the

23 Controller Label and Associated Terminals Note: Terminals X4/11 & 12 are available for OpenTherm modulating stat. 5.4.1 24V dc Electrica

24 5.4.3 Outside temperature sensor (Weather compensation option) The appliance has a connection for an outside temperature sensor. The outside

25 5.5 General Flue Requirements 5.5.1 Flue terminal clearances The flue terminal must be sited with minimum clearance distances as shown

26 Note regarding internal air-flue systems. It is recommended that the boiler is sited on or next to an external wall so as to negate the need

27 Mounting 60/100mm horizontal concentric terminal Note: Mark centre of hole on wall at 100mm above the top of the boiler. 1. Drill hole of d

5.6.3 Vertical Concentric connection Straight adapters are available for either 60/100mm or 80/125mm systems. IMPORTANT! Using the concentric a

29 Table of Atmos 80/125mm concentric flue equivalent lengths 80/125mm Concentric extension for balcony outlet When the free outle

3 TABLE OF CONTENTS 1. Safety Regulations 7 1.1 General ...

30 5.6.6 80mm twin pipe flue system Refer to the Atmos Price List for the full list of flue components. Table of Atmos 80mm twin

31 5.6.7 Plastic twin pipe flue systems NOTE Consult Atmos for these systems. Use of non-approved flue systems will invalidate the guarantee. Fo

32 5.7 Roof outlet prefabricated chimney Appliance category: C33 When there is little space in a shaft, a roof outlet through a prefabricated c

33 5.8 Atmos MS System Appliance category: C53 (individual vertical flue and separate horizontal air inlet). CAUTION The air supply (A) in

34 5.9 Atmos Communal Flue System (CFS) A design service is provided for each application. There are different configurations possible and t

35 6. COMMISSIONING Note The appliance must be installed and commissioned in accordance with the manufacturer’s instructi

36 6.2 Commissioning of the appliance After having carried out the above operations, the appliance can be commissioned. 1. Switch on the elec

37 6.3 System Shutdown CAUTION Drain the appliance and the system when the mains voltage has been disconnected and ther

38 7. SETTING AND ADJUSTMENT The functioning of the appliance is mainly determined by the (parameter) setting in the appliance controller. A part

39 7.3 Parameters Parameter Setting Factory setting Description InterCombi HE 32 Note: Appliances produced before Nov 07 had earlier versio

8.3 Burner resonates...

40 7.4 Setting maximum CH power The maximum CH power is set to 50% in the factory. When the CH system requires more or less power, the maximum CH

41 7.6 Weather-dependent control T supply °C When the outside sensor is connected, the supply temperature is automatically controlled dependen

42 In case of any alterations, replacement of the gas valve or conversion to another gas type, the control must be checked and reset if necessary

43 13. Exit the test mode by simultaneously pressing the “+” and “–“ buttons on the operating panel. Replace the dust cap (A) and close the flu

44 8. FAULTS When the controller detects a fault, the red fault LED flashes (above the Reset button) and a fault code is shown on the Temperature

45 8.1 Burner does not ignite Possible causes Remedies 8.2 Burner ignites with much noise 1. The house gas meter may be faulty. Contact

46 8.3 Burner resonates Possible causes 8.4 No heating (CH) 1. Check the wiring. 2. Replace the thermostat. 3. Replace the weather-dependent

47 8.5 Reduced output Possible causes 8.6 CH does not reach the correct temperature 8.7 No hot water (HW) 1. Tap flow < 2.0 l/min.2. Rep

48 8.8 Hot water does not reach the correct temperature 1. Adjust the inlet combination.Tap flow higher than 9 l/min.1. Descale or flush the heat

49 9. SERVICING THE BOILER AND COMPONENT REPLACEMENT 9.1 SERVICING THE BOILER The appliance and the system should be serviced annually by

This manual 5 Using this manual you can safely install and maintain this appliance. Carefully follow the instructions. In case of doubt, contact

50 Open the gas tap and check the gas couplings below the gas valve and on the mounting bracket for leaks. Switch on the electrical supply to the

51 9.2 COMPONENT REPLACEMENT 9.2.1 Preparation Switch off the appliance using the On/Off button on the operating panel. Switch off the electr

52 9.2.5 Burner/ spark ignition probe Remove the front cover of the heat exchanger as described in § 9.1.2. Unscrew the 4 screws shown on the p

53 9.2.11 Pump head Disconnect the pump wires from the controller (see note in § 9.2.1). Undo two Allen bolts on the Wilo pump head (altern

54 10. TECHNICAL SPECIFICATIONS Appliance category B13; B33; C13; C 33; C 43; C53; C63; C83 Gas inlet pressure 20 mbar Suitable for gas II2 H

55 10.1 Electrical diagram Notes 1. F1: 5x20mm anti-surge fuse 2A. 2. 230Vac stat circuit: Available for room stat, etc. The switched liv

56 11. CE DECLARATION Declaration of conformity according to ISO IEC GUIDE 22. Manufacturer: Atmos Heating Systems Address: West March, DAVEN

57 881617_Inst_InterCombiHE32

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Atmos Warranty – Short version 1. Atmos Warranty is against any material, construction or operation faults that are found to be of original manu

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7 1. SAFETY REGULATIONS The appliance must be installed in accordance with the Gas Safety (Installation and Use) Regulations; October 1994. Fail

2. DESCRIPTION OF THE APPLIANCE 2.1 General The Atmos InterCombi wall-mounted gas boiler is designed for delivering heat to

9 Waiting position The LED of the on/off button and if necessary one of the LED’s of the domestic hot water Keep hot function are on. The a