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Summary of Contents for Coopra TWIN80C
- Page 1 Installation Manual TWIN80C Wall hung, fan flue, room sealed, high efficiency gas boiler CHAPTER 1. GENERAL CHAPTER 2. INSTALLATION CHAPTER 3. COMMISSIONING CHAPTER 4. FAULT FINDING CHAPTER 5. PERIODICAL MAINTENANCE CE-CERTIFICATE 2007 E000129016...
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Page 2: Table Of Contents
installation manual TWIN 80 EN CONTENTS CHAPTER 1. GENERAL 1.1. Technical data……………………………………………………………………………………………………………… 04 1.2. Dimensional sketch…………………………………………………………………………………….………………….. 05 1.3. Boiler layout…………………………………………………………………………………………….…………………… 06 1.4. Diagrams 1.4.1. Functional flow diagram………………………………………………………………….……………………. 08 1.4.2. Wiring diagram…………………………………………………………………………..…………………….. 09 1.5. Condensing boiler………………………………………………………………………………………………………….. 10 1.6. Operation 1.6.1. Display 1.6.2. - Page 3 installation manual TWIN 80 EN 3.4. Chimney sweeper function 3.5. Gas/Air Ratio………………………………………………………………………………………………..……………….. 22 3.5.1. Pre-adjustment to be done in voltage-free condition: 3.5.2. Final Gas/Air adjustment (CO2 analysing) 3.6. Conversion to LPG…………………………………………………………………………………………………………. 23 3.7. MENU STRUCTURE……………………………………………………………………………………………………….. 24 3.7.1. Outdoor temperature sensor……………………………………………………………..…………………… 25 3.7.2.
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Page 4: Chapter 1. General
installation manual TWIN 80 EN CHAPTER 1. GENERAL 1.1. Technical data Boiler type Gas type natural gas G20 LPG gas G30/G31 Electrical data Supply / Frequency 230 V / 50 Hz (195 ÷ 270V @ 47,5 ÷ 52,5Hz) Power consumption (max.) 280 W Thermostat voltage 24 Volt / OpenTherm / 0-10V... -
Page 5: Dimensional Sketch
installation manual TWIN 80 EN 1.2. Dimensional sketch Dimensions in mm Free space: There must be sufficient space at the top and bottom to be able to suspend the unit and to be able to connect all feed and drain pipes. Normally, roughly 300 mm is required. It is recommended to leave a free space of 150 mm on the left (for servicing reasons) and 50 mm on the right of the unit. -
Page 6: Boiler Layout
installation manual TWIN 80 EN 1.3. Boiler layout... - Page 7 installation manual TWIN 80 EN description Beschreibung omschrijving Assembly frame Montagekasten Achterwand Cover Mantel Voorkap Flow collector Vorlauf-Versammelrohr manifold aanvoer Return collector Rücklauf-Versammelrohr manifold retour Gas collector Gas-Versammelrohr Gas-manifold Unit type 40 Wärmetauscher Typ 40 Ketellichaam type 40 Burner type 40 Brenner Typ 40 Brander type 40 Pump...
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Page 8: Diagrams
installation manual TWIN 80 EN 1.4. Diagrams 1.4.1. Functional flow diagram Suppl y X17-6 X17-3 Ret ur n X17-2 X17-5 X20-1 Running/Lockout Flue X16-7 X16-3 O u ts ide X16-6 X5-3 X16-2 CH externe pump DH W X5-2 X18-1 X5-1 X18-3 X3-5 BIC-992... -
Page 9: Wiring Diagram
installation manual TWIN 80 EN 1.4.2. Wiring diagram... -
Page 10: Condensing Boiler
installation manual TWIN 80 EN 1.5. Condensing boiler give their heat to the system water. The flue gases are fed outdoor, through the flue tube (F), into a combined flue tube The concentric air inlet and exhaust outlet need to be exhaust canal. -
Page 11: Permitted Flue Discharge And Air Supply Resistance
installation manual TWIN 80 EN 1.9. Configurations 1.8. Permitted flue discharge and air supply resistance The total resistance of the flue tube and air supply together Preferably use flue tube materials, roof ducts and exterior wall may not be greater than 125 Pa. ducts with a quality mark. -
Page 12: Regulations
installation manual TWIN 80 EN 1.10. Regulations In case of non-compliance with the regulations, no claims can be made against the guarantee conditions. General safety regulations The installation may only be performed by a recognised installer. Take note that internal parts of the unit can carry a dangerous electrical voltage (230 Volt). -
Page 13: Chapter 2. Installation
installation manual TWIN 80 EN • Muelink & Grol Fit either the adapter for the CHAPTER 2. INSTALLATION connection of a concentric air intake and exhaust gas outlet system of 100/150 mm or the Cox Geelen adapter for the connection of a concentric air intake 2.1. -
Page 14: Gas
installation manual TWIN 80 EN 2.2. GAS 2.3. WATER Both of the heat units are parallel jointed to central flow- and return water Make sure that the gas pipe work does not contain collectors. dirt, particularly with new pipes. Failure to install gas-appliances correctly could lead to accidents and prosecution. -
Page 15: Expansion Vessel
installation manual TWIN 80 EN 2.3.6. Condensation discharge 2.3.3. Expansion vessel In the central heating return pipe, as near as to the boiler, an expansion vessel must be fitted. Mounting: The siphon (packed with the The size of the expansion vessel must boiler) fits onto the discharge pipe (Ø... -
Page 16: Pump
installation manual TWIN 80 EN 2.4. PUMP 2.4.1. Unit system pump The TWIN 80C is equipped with 2x Wilo, type RS 15/7 internal circulation pumps. Depending of the cascade selection and heat demand one pump may run intermittent or both pumps may run simultaneously. Use with a low velocity header (open header) can also be selected. -
Page 17: Electrical
installation manual TWIN 80 EN 2.5. ELECTRICAL 2.5.1. Supply connection 2.5.3. Input If a stationary appliance is not provided with a supply cord Temperature sensors: 5Vdc ± 5%, R = 12kΩ, ß = 3980 and a plug or with other means for disconnection from the Water pressure sensor: 12Vdc ±... -
Page 18: Lay-Out Bic992
installation manual TWIN 80 EN 2.6. Lay-out BIC992 2.6.1. Connectors & pinning 4-way Molex header 0.2” pitch 5-way Molex header 0.2” pitch 5-way Molex header 0.2” pitch 6-way Molex header 0.2” pitch 3-way Molex header 0.2” pitch 4-way Molex Minifit 4-way Molex header 0.2”... -
Page 19: Green Connector Block
installation manual TWIN 80 EN 2.7. Green connector block The external regulations are to be connected to the green connector block. All connections are volt-free contacts. Therefore, do not connect any voltage to this block! Strip about 5 mm off the insulation of the wires of the connection concerned. -
Page 20: Options With Installer Responsibility
installation manual TWIN 80 EN 2.8.2. 230 Volt room thermostat (installer responsibility) 2.8 Options with installer responsibility All Coopra printed circuit boards have a terminal for connection 2.8.1. of a line voltage 230 Volt room thermostat. • At present Coopra does not supply any connection cable for this option. -
Page 21: Chapter 3. Commissioning
installation manual TWIN 80 EN 3). Open the air bleed cocks of the radiators one at a time. Use CHAPTER 3. COMMISSIONING an air bleed key for this. As soon as water comes out of the air bleed cock, shut the cock off again. 3.1. -
Page 22: Gas/Air Ratio
installation manual TWIN 80 EN 3.5. Gas/Air Ratio 3.5.2. Final Gas/Air adjustment (CO analysing) The gas controls are set in the factory to the type of gas to be used. This type of gas is stated on the packaging and on the identification plate. -
Page 23: Conversion To Lpg
installation manual TWIN 80 EN 3.6. Conversion to LPG First: Always screw the venturi adjusting screw fully clockwise until it blocks. High voltage! Fit a flue gas analyser (CO meter) in the measurement opening The wiring of the pump, the three-way valve, fan of the flue tube canal concerned. -
Page 24: Menu Structure
installation manual TWIN 80 EN 3.7. MENU STRUCTURE • Enter menu structure by pressing the Set/Reset button for 5 - 10 seconds. • Change the parameter(left segment) by pressing the Set/Reset button once, shortly. • Change the range value (two right segments) by pressing the “+” button or the “–“ button. •... -
Page 25: Outdoor Temperature Sensor
installation manual TWIN 80 EN 3.7.1. Outdoor temperature sensor Outdoor sensor An outdoor temperature sensor (heating) must be an NTC with a resistance of 12 kOhm at 25°C (connected to terminals (3) and (4) of the green connector block) Para- Factory Description Range... -
Page 26: Cascade
installation manual TWIN 80 EN 3.8. CASCADE 3.8.1. Power mode (default) 3.8.2. Comfort mode (field adjustable) • • Menu parameter “o” = 01 (default) Menu parameter “o” = 00 • • Both units run simultaneously. At low heat demand the units run independently. When the room thermostat or space unit indicates that heat is When the room thermostat or space unit indicates that heat is required for central or under floor heating, both units will heat... -
Page 27: Chapter 4. Fault Finding
installation manual TWIN 80 EN CHAPTER 4. FAULT FINDING 4.1 Boiler states Burner is on - when the room thermostat is closed (heat demand) - and when the actual flow temperature is 5°C below the set point (desired central heating flow temperature) - and after 3 minutes anti-cycling time, if applicable, after a reciprocal stop. -
Page 28: Pump After Run
installation manual TWIN 80 EN Pump monitoring: When the temperature difference between flow and return is greater than 30°C, the pump switches to a high speed. When the temperature difference drops below 10°C again, the pump switches back to a low speed. If the pump is on for a HWS demand (combi-boiler or external cylinder), the pump is continuously at high speed. -
Page 29: Status Indications
installation manual TWIN 80 EN 4.2. Status indications The left segment (A) indicates: • status code or A = Status display • parameter value in menu mode B = Reading The two right segments (B) indicate: C = “+” button •... - Page 30 installation manual TWIN 80 EN number - glow plug protection counter is decremented 1 step per minute DHW combi-boiler - burner is in starting-up sequence heat demand, pump - burner starts within 10 seconds continuous on, burner off HWS external cylinder - burner is in starting-up sequence heat demand, pump - burner starts within 10 seconds...
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Page 31: Status Indication During "Blocking Action
installation manual TWIN 80 EN 4.2.2. Status indication during “blocking action” What is a blocking action? The regulation blocks the burner till conditions are within certain requirements. During blocking operation, the display status shows a continuous indication. Each blocking action will stay during the 3 minutes anti- cycling time. - Page 32 installation manual TWIN 80 EN Heating 1). low water-pressure Ad 1). with water pressure below 0.2 bar, the regulation (< 0.2 bar) blocks with alternately a continuous P and the normal continuous 2). high water pressure status. (> 3.0 bar) Ad 1).
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Page 33: Status Indication During "Lock-Out
installation manual TWIN 80 EN 4.2.3. Status indication during ”lock-out” - gas valve off - glow plug off - ionisation off - fan off (some lock-outs, post rinse for 1 minute) - pump on (max 24 hr) What is a lock-out? During lock-out operation, the display status shows a flashing indication. - Page 34 installation manual TWIN 80 EN - If during standby a false flame signal is detected for more than 5 seconds, the boiler runs into lock-out - If a false flame signal is detected with closed gas valve for false flame signal check ionisation system more than 5 seconds, the boiler runs into lock-out flashing...
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Page 35: Chimney Sweeper Function (Temporarily Display For Service Purposes)
installation manual TWIN 80 EN 4.2.4. Chimney sweeper function (temporarily display for service purposes) Chimney function has priority over the heating functions Status description action repair code - chimney sweeper function - flashing left segment = high load removes after 10 minutes automatically chimney sweeper - flashing left segment... -
Page 36: Chapter 5. Periodical Maintenance
installation manual TWIN 80 EN CHAPTER 5. PERIODICAL MAINTENANCE 5.4. Ionisation probe High voltage! When the unit burns on chimney sweeper function, the ionisation The wiring of the pump, the three-way valve, fan current can be read directly on and wiring of the gas control can be under a the display. - Page 37 installation manual TWIN 80 EN (E000129016 - installation manual TWIN 80 EN - 030106v07...
- Page 38 installation manual TWIN 80 EN (E000129016 - installation manual TWIN 80 EN - 030106v07...
- Page 39 installation manual TWIN 80 EN (E000129016 - installation manual TWIN 80 EN - 030106v07...
- Page 40 installation manual TWIN 80 EN 2007 Coopra Advanced Heating Technologies b.v. All rights reserved. Nothing from this document may be duplicated and/or made public by means of printing, photocopy, microfilm or in any other way without prior written permission from the manufacturer. This also applies to the appropriate drawings and/or diagrams.
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