Oil fired condensing boilers COB / COB-CS
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Technical documentation Oil fired condensing boilers COB for central heating • COB-CS for central heating with stratification cylinder TESTSIEGER GUT (1,6) Ölbrennwertkessel COB-20 Im Test: 10 Ölbrennwertkessel, davon zwei Testsieger mit Note 1,6 Ausgabe 5/2008

Oil fired condensing boiler COB for central heating; can be combined with a freestanding cylinder, e.g. SEM-1 / SEM-2 Oil fired condensing boiler COB-CS for central heating; with enamelled steel stratification cylinder The benefits of the Wolf oil fired condensing boilers: • Extremely clean and efficient combustion with complete condensation of the flue gases and high standard efficiency up to 105% (Hi) / 99% (Hs) for the best possible energy utilisation • Low power demand • Suitable for low sulphur and standard fuel oil EL • Two-stage blue flame burner for open and balanced flue operation...

Standard controls ON / OFF Reset button Heating water temperature selector Thermometer Illuminated ring DHW temperature selector Illuminated indicator ring as status display Display Explanation 7 8 9 5 4 3 2 Fault DHW temperature selector For oil fired condensing boilers in combination with a cylinder the setting range 1 - 9 corresponds to a cylinder temperature of 15 to 65 °C. Combined with a control thermostat, the adjustment at the DHW temperature selector is disabled; instead the temperature is selected at the boiler control thermostat. 6 1 Burner ON, flame steady Flashing red 3...

Control accessories Standard control unit; part of the standard delivery of the oil fired condensing boiler BM programming module (incl. outside temperature sensor) as weather-compensated control thermostat BM programming module with wall mounting base (accessory) as remote control Two-wire eBUS cable • Time programs for DHW and central heating • LCD with background illumination • Easy plain prompts guide through the menus • Control by rotary selector with key function • Four function keys for frequently used functions (heating, DHW, setback, help) • Installation either inside the boiler...

Control accessories Cascade module KM • Extension module for control of systems with low loss header or cascade configuration • Applicable to control units of oil fired condensing boilers (4 appliances) • Easy configuration of the controller through selection of pre-defined system options • Suitable for regulating one mixer circuit • Programming module BM may either be plugged in or used as remote control with wall mounting base • 0-10V input for building control network systems; fault signal output 230V • eBus interface with automatic energy management • Rast-5 connection technology...

Installation accessories We recommend making the connection to the heating system with the following parts from the Wolf accessories range. COB connection set, adjacent to the wall comprising: 2 cross pieces, each with one connection 2 brackets 1 corrugated stainless steel pipe 1”, length 1300 mm 1 corrugated stainless steel pipe 1”, length 800 mm 1 silicon grease tube COB connection set with CS, adjacent to the wall comprising: 2 cross pieces, each with two connections 4 brackets 3 corrugated stainless steel pipes 1”, length 1300 mm 1 corrugated stainless steel pipe 1”, length 800 mm 2...

Balanced flue routing B23 B33 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIII IIIII IIII IIII IIII II C33x C33x C53x IIII II IIIIIIII IIIIIIIII C93x C53 C83x C43x B33 C33x C93x C83x Types of connection Boiler Type 1), 2) Type COB15/20/ B23, B33, C33x, C43x, C53, C53x, C63x, C83x, C93x Operating mode Open flue Balanced flue yes yes To be connected to MoistureBalanced flue Balanced flue Acc. to Build Moistureresistant chimney chimney Regs cert. LAF resistant flue B33, C53, C83x C43x C33x, C53x, C63x B23, C53x, C83x C93x...

Central heating - DHW heating options COB-CS oil fired condensing boiler with stratification cylinder 1 Cylinder heating from above with deflector and divider 2 DHW outlet at the highest point 3 Cold water supply with control and distribution device 4 Cold water draw-off for cylinder heating 5 DHW circulation line 6 Protective magnesium anode 7 Stratification pump, controlled 8 Plate-type heat exchanger in the cylinder 9 Cylinder primary pump 10 Sensor well for cylinder temperature sensor 11 Boiler drain (standard delivery) 12 Automatic air vent valve (standard delivery) 13 Cylinder heating...

Central heating - DHW heating options Solar DHW heating and central heating backup with stratification cylinder BSP 1 Collector array 2 Air vent trap 3 Collector sensor 4 Solar module SM1 5 Pump/fitting assembly 5 6 Solar control unit cylinder sensor 7 Stratification cylinder BSP 8 Fresh water module for DHW heating 9 Heating circuit assembly, mixing valve circuit assembly 10 Mixer module MM (config. 4) 11 Condensing boiler COB with BM programming module 12 Collective sensor 13 Cylinder sensor 14 Mixer module MM Solar DHW heating and central heating backup with solar cylinder SEM-1 / SEM-2...

Tender template Item Pce. Oil fired condensing boiler COB / COB-CS ComfortLine Price each Total price Tested according to DIN EN 303 / DIN EN 304 / DIN EN 15034 / DIN EN 15035, as well as EU Directive 92/42/EEC (Efficiency Directive), 73/23/EEC (Low Voltage Directive), and 2004/108/ EEC (EMC Directive), with electronic ignition and electronic flue gas monitoring, for low temperature heating and DHW production in low temperature heating systems up to 85 °C and 3 bar permissible operating pressure according to EN 12828. High quality heat exchanger made from robust aluminium:silicon alloy. Oil...

The comprehensive equipment range from system supplier Wolf offers the ideal solution for commercial and industrial buildings, for new build and for modernisation projects alike. The range of Wolf control units fulfils every need where heating convenience is concerned. The products are easy to operate, energy-efficient and reliable. Photovoltaic and solar heating systems can be quickly integrated into existing systems. All Wolf products can be easily and rapidly commissioned and maintained. The competence brand for energy saving systems 12 Part no. 48 00 597 01/2012 GB Subject to technical...