Wolf COB-2 Operation Instructions Manual

Wolf COB-2 Operation Instructions Manual

Oil condensing boiler for central heating with stratification cylinder
Table of Contents

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GB
Operation instructions for contractors
COB-2 / TS OIL CONDENSING BOILER
COB-2 for central heating
TS for central heating with stratification cylinder
English | subject to modifications
3066501_201910

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Summary of Contents for Wolf COB-2

  • Page 1 Operation instructions for contractors COB-2 / TS OIL CONDENSING BOILER COB-2 for central heating TS for central heating with stratification cylinder English | subject to modifications 3066501_201910...
  • Page 2: Table Of Contents

    General safety information ......................... 07 Handover to operator ..........................08 Declaration of Conformity ........................... 08 Description ..........................09 Layout of COB-2-TS oil condensing boiler ....................09 COB-2 oil condensing boiler components ....................10 TS stratification cylinder components ......................11 Planning ............................ 12 Regulations ..............................
  • Page 3 HG14: Function output A1 .......................... 60 7.2.8 HG15: Cylinder hysteresis ......................... 61 7.2.9 HG16: Minimum heating circuit pump rate ....................61 7.2.10 HG17: Maximum heating circuit pump rate ....................61 7.2.11 HG19: Run-on time, cylinder primary pump ....................61 3066501_201910 WOLF GmbH | 03...
  • Page 4 Taking the heat generator out of service in an emergency ................ 69 Taking the heat generator out of service permanently ................69 Recycling and disposal ......................71 Specifications ........................... 72 11.1 COB-2 oil condensing boiler ........................72 11.2 TS stratification cylinder ..........................73 11.3 Cascade ..............................73 11.4...
  • Page 5: About This Document

    ► Follow the instructions in this document. Failure to observe these instructions voids any WOLF GmbH warranty. Scope This document contains instructions for the COB-2 and COB-2-TS oil condensing boiler. Target group This document is intended for gas, plumbing, heating and electricity contractors.
  • Page 6: Abbreviations

    Heating circuit pump Boiler drain & fill valve Cold water Air/flue gas routing (concentric, eccentric or separate) Balanced flue chimney Primary pump Cylinder primary pump HLSC High limit safety cut-out Domestic hot water Feed/heating circuit pump 06 | WOLF GmbH 3066501_201910...
  • Page 7: Safety

    Any faults or damage that impact or might impact safety must be remedied immediately by a qualified contractor. ► All faulty components of the heat generator must be replaced with original WOLF spare parts. General safety information...
  • Page 8: Handover To Operator

    ► Make the operator aware of the following: – Annual inspections and maintenance must be performed by a contractor. – WOLF recommends concluding an inspection and maintenance contract with a contractor. – Repair work must be performed by a contractor.
  • Page 9: Description

    Description Description Layout of COB-2-TS oil condensing boiler Fig. 3.1 Layout of COB-2-TS oil condensing boiler COB-2-15/20/29/40 oil condensing boiler DHW draw-off at the highest point TS-15/20/29 stratification cylinder Cylinder heating from above with deflector and Condensate pan divider Trap...
  • Page 10: Cob-2 Oil Condensing Boiler Components

    Description COB-2 oil condensing boiler components Fig. 3.2 COB-2 oil condensing boiler components Automatic air vent valve Ignition transformer High limit safety cut-out Blast tube Differential pressure sensor Oil pump motor Flue gas temperature sensor Two-stage oil pump Water pressure sensor...
  • Page 11: Ts Stratification Cylinder Components

    Cold water connection ¾" (optional accessory) Regulated TS stratification pump Expansion vessel, 8 l (accessory) Immersion pipe cylinder sensor Air vent valve Plate heat exchanger Circulation pump (accessory) Stratification sensor Protective anode (under cover) Cylinder primary pump (PP) Drain 3066501_201910 WOLF GmbH | 11...
  • Page 12: Planning

    The following apply to installation and operation in Austria: – ÖVE regulations – Provisions of the ÖVGW and the corresponding Austrian standards (ÖNORMs) – Local regulations from building and industry regulatory agencies (generally represented by the chimney sweep) 12 | WOLF GmbH 3066501_201910...
  • Page 13: Installation Location

    – BUWAL and local regulations must be observed. Installation location The COB-2 and TS are installed adjacent to the wall, which means that a clearance only needs to be observed at the front. A surface temperature of 40°C is not exceeded during proper use.
  • Page 14: Installation Site Requirements

    – Make sure that a drain outlet and safety assembly is provided. The safety assembly from the WOLF accessories range includes an integral 3 bar safety valve. – A minimum flow rate prevents damage to the hot water heat exchanger as a result of overheating or steam hammers.
  • Page 15: Heating Water

    Total hardness conversion: 1 mol/m³ = 5.6 °dH = 10 °fH < 800 µS/cm: high salinity / < 100 µS/cm: low salinity < 0.11 °dH recommended standard, permissible up to limit of < 1 °dH Table 4.3 Electrical conductivity and water hardness 3066501_201910 WOLF GmbH | 15...
  • Page 16: Wolf Accessories - Heating System

    (e.g. more than 10 % of the system volume per year), the cause must be sought immediately and the fault remedied. 4.3.3 WOLF accessories - heating system We recommend making the connection to the heating system with the following parts from the WOLF accessories range. Image Item name...
  • Page 17: Fuel Supply

    Oil lines too large! Faults due to trapped air ► Use an oil line with an interior line diameter of 4 mm. ► A filter/air vent valve combination with an integrated shut-off valve from the WOLF product range must be installed. 3066501_201910...
  • Page 18: Suction Line In The Single Line System

    The maximum possible suction line length results from the pressure losses on the pipes and fittings and the inlet height. The line length includes all vertical and horizontal pipes. The maximum suction line length recommended by WOLF is 40 m. Fig. 4.3...
  • Page 19: Fuel Requirements

    – If this is not possible, neutralisation is required. Air/flue gas routing For safety reasons, use only original WOLF flues and concentric balanced flue systems. DANGER Fire and smoke will travel to other floors! Risk of suffocation, poisoning and burning in the event of exposure to fire from outside.
  • Page 20: Installation Of The Air/Flue Gas Lines

    Route the air/flue gas lines over the heat generator in such a way that the displacement device can be removed. Minimum clearance above the heat generator: – COB-2-15/-20/-29: 30 cm – COB-2-40: 40 cm Air / flue gas routing via roof (type C33x) Routing air / flue gas above the roof is permitted under the following conditions: –...
  • Page 21: Overview Of Connection Types

    – Fitted to the heat generator at the factory – Alternatively, install immediately after the 87° bend connected directly to the heat generator If replacing a WOLF COB with a WOLF COB-2, reuse the existing connection with a flue gas test port.
  • Page 22: Permitted Connection Types

    The necessary type plates and certificates are included with the relevant WOLF accessories. 4.6.4 Air/flue gas routing lengths The calculation was made taking the pressure conditions into account (geodetic height: 325 m). The specified lengths refer to concentric balanced flues and standard flues and apply to original WOLF components only. Maximum length Maximum length [m]...
  • Page 23 DN 110 Available fan draught: COB-2-15: 32 - 65 Pa / COB-2-20: 45 - 65 Pa / COB-2-29: 55 - 105 Pa / COB-2-40: 70 - 150 Pa (maximum length corresponds to the total length from the heat generator to the flue outlet) Table 4.9...
  • Page 24: Minimum Shaft Sizes

    Minimum shaft sizes Room sealed operation C93x Assuming: 1 x 87° bend + 1.5 m horizontal with 87° support bend Ø DN60 (COB-2-15) a x a [mm] Ø [mm] DN80 (COB-2-15/20/29), DN110 (COB-2-40) COB-2-15/-20 COB-2-15/-20 COB-2-29 COB-2-29 COB-2-40 COB-2-40 a x a [mm] Ø...
  • Page 25: Notes On Connection

    >20 >30 Fig. 4.6 Minimum shaft size [mm] 4.6.6 Notes on connection Original WOLF components have been optimised over many years and are designed for use with WOLF heat generators. Connection type Maximum length Please note the following: horizontal air/flue gas routing Type B23 –...
  • Page 26: Cascade Operation

    MM-2 mixer module installation and operating instructions for contractors BM-2 programming unit installation and operating instructions for contractors The heat generators have control PCBs with functions which are tailored to the WOLF control modules. Configuration only in conjunction with a KM-2 cascade module.
  • Page 27: Heating System

    If there is only one oil storage installation, this supply must be arranged centrally via a suction unit. The suction unit must be installed as close to the boiler cascade as possible. Fig. 4.8 Fuel supply Oil storage installation Suction unit 3066501_201910 WOLF GmbH | 27...
  • Page 28: Air/Flue Gas Routing

    150 cm². In addition to the bends connected to the heat generator, a maximum of two 87° diverters may be installed. 28 | WOLF GmbH 3066501_201910...
  • Page 29 ► If the conditions at the installation site are different, an individual calculation is required. Number COB-2 Installation Type B23 Flue internal diameter Total flue gas mass flow rate 26.6 26.6 40.0 53.3 35.0 52.5 70.0 Maximum flue gas °C temperature Maximum effective building height Table 4.13 Maximum height - flue gas routing with header 3066501_201910 WOLF GmbH | 29...
  • Page 30: Installation

    ► Remove strap and packaging. ► Remove the fixing screws on the pallet. ► Lift the heat generator and cylinder off the pallet. Checking the delivery The following parts are included with the COB-2 and COB-2-TS: Standard delivery COB-2 COB-2-TS COB-2-15/20/29/40 oil condensing boiler ●...
  • Page 31: Removing / Fitting The Casing

    Maintain minimum wall clearances! This will simplify installation, maintenance and servicing (4.2.1 Minimum wall clearances to the front and side). ► Remove the casing (Fig. 5.2 Removing the casing). ► Use the adjustable feet to level the heat generator and cylinder 3066501_201910 WOLF GmbH | 31...
  • Page 32: Installing The Safety Assembly And Pipe Assembly

    Safety assembly with levelling part Pipe assembly ► Install the pipe assembly on the safety assembly. Fig. 5.6 Pipe assemblies Pipe assembly for 1 heating circuit Pipe assembly for 2 or 3 heating circuits with manifolds 32 | WOLF GmbH 3066501_201910...
  • Page 33: Installation Examples

    Installation 5.5.1 Installation examples Fig. 5.7 Connection set next to heat generator on the wall Fig. 5.8 Connection set behind heat generator on the wall 3066501_201910 WOLF GmbH | 33...
  • Page 34: Connect The Cold Water

    DHW. Failure to observe Fig. 5.10 Cold water connection to DIN 1988 in the installation voids any WOLF GmbH warranty. Parallel DHW operation is not possible for heat generators with a TS stratification cylinder. If the system parameter (A10: enable parallel mode) is set to parallel DHW operation despite this, the heating circuit pump will not be activated during cylinder heating.
  • Page 35: Connecting The Oil Line

    Heating return Connecting the oil line ► Connect the system. ► A filter/air vent valve combination with an integrated shut-off valve from the WOLF product range must be installed. ► Check the oil line in accordance with TRÖl for the following: –...
  • Page 36: Connecting The Condensate Drain

    5.8.2 Connecting the condensate pump ► Feed the drain hose of the trap into the condensate pump. ► Connect the condensate pump and the on-site drain. Fig. 5.12 Trap with condensate pump Trap Condensate pump 36 | WOLF GmbH 3066501_201910...
  • Page 37: Connecting The Neutralising Box

    ► The neutralising box must be filled with water prior to commissioning to check for leaks. ✔ All connections are fitted without leaks. ► Observe the neutralising box installation instructions. Fig. 5.13 Trap with neutralising box Trap Neutralising box (optionally with condensate pump) 3066501_201910 WOLF GmbH | 37...
  • Page 38: Connecting The Balanced Flue

    (Fig. 5.14 Example: balanced flue [mm]) at the connection point of the heat generator (1). Fit inspection piece If an inspection aperture is required for the balanced flue, ► insert a balanced flue pipe with inspection aperture. 38 | WOLF GmbH 3066501_201910...
  • Page 39 ► The outlets of flue lines in ducts must be designed so that the following requirements are met: – no ingress of precipitation – secondary ventilation can flow freely ► It must be possible to remove removable covers without tools and they must be secured to prevent them falling. 3066501_201910 WOLF GmbH | 39...
  • Page 40: Installing The Flue Gas Damper (Cascade Operation Only)

    The maximum current carrying capacity of the outputs is 1.5 A. Do not exceed a total of 4 A. ► In case of a permanent connection, connect the power supply via a mains isolator (e.g. fuse, heating system emergency stop switch) that ensures at least 3 mm contact separation. 40 | WOLF GmbH 3066501_201910...
  • Page 41: Terminal Box Delivered Condition

    In the delivered condition, the terminal box is fitted to the back panel of the heat generator. The control and safety devices are fully wired and tested. Fig. 5.18 COB-2 terminal box delivery condition Lines for connections to stratification cylinder Opening for heat generator cable feed through...
  • Page 42: Installing The Terminal Box On The Wall

    ► Push the cable through the strain relief. ► Screw the strain relief into place. ► Terminate the appropriate cores at the Rast5 plug. ► Push the inserts into the terminal box casing. ► Insert the Rast5 plug ► Fit the cover. 42 | WOLF GmbH 3066501_201910...
  • Page 43: Connecting The Terminal Box

    ► Make the electrical connection at the TS stratification cylinder as shown in the image. Fig. 5.22 Electrical connection at the TS stratification cylinder Regulated TS stratification pump A1 programmable output Control signal, stratification pump Cylinder primary pump (PP) Stratification sensor ► Make the electrical connection at the terminal box as shown in the image. 3066501_201910 WOLF GmbH | 43...
  • Page 44 230 V output when ON/OFF switch is in the ON position Maximum of 1.5 A per output, no more than 600 VA in total ZHP (FHP) Feed / heating circuit pump control Maximum of 1.5 A per output, no more than 600 VA in total 44 | WOLF GmbH 3066501_201910...
  • Page 45: Connect The Flue Gas Damper To The Power Supply (Cascade Operation Only)

    PCB 1(a) = 10 V, 2(b) = GND. 5 k NTC outside sensor 5kNTC cylinder sensor eBus (WOLF control accessories e.g. BM-2, MM-2, KM-2, SM1-2, SM2-2) NOTE Increased electromagnetic interference at the installation site! Possible control faults. ► Fit screened sensor leads and eBus cables.
  • Page 46: Filling The Heating System And Checking For Leaks

    The control modules are used to set or display specific parameters of the heat generator. BM-2 programming unit This control module communicates with the heat generator and all connected extension modules via eBus. AM display module This control module functions as a display module for the heat generator. 46 | WOLF GmbH 3066501_201910...
  • Page 47: Selecting A Slot

    Selecting a slot Either an AM display module or a BM-2 programming unit must be installed on the heat generator for operation. ► Select the slot for the control module. Fig. 5.26 Possible slots for control modules 3066501_201910 WOLF GmbH | 47...
  • Page 48: Commissioning

    ► Check the heat generator and system for water tightness. Putting the heat generator into service ► Open the shut-off valves for heating flow and return. ► Open oil shut-off valves (tank, oil line, filter). ► Switch on the heating emergency stop switch. 48 | WOLF GmbH 3066501_201910...
  • Page 49: Plugging In The Control Module

    Commissioning Plugging in the control module Fig. 6.1 Plugging in the control module ► Place the control module in the slot above the WOLF logo. ► Fit casing (Fig. 5.3 Attaching the casing). Turning on the heat generator Fig. 6.2 ON/OFF switch ►...
  • Page 50: Configuring The System

    ► Set the ON/OFF switch of the cylinder primary pump to venting. ► Vent the system completely at the maximum system temperature. ► Set the cylinder primary pump to constant pressure again. Fig. 6.3 Cylinder primary pump ON/OFF switch Constant diff. pressure Venting Variable diff. pressure 50 | WOLF GmbH 3066501_201910...
  • Page 51: Venting The Oil Pump

    ► Measure the CO level again. level remains below 0.2%, no leak in the flue system: ► End emissions test mode. ✔ The heat generator shuts down. ► Close the test port. Ensure the cap is seated firmly! 3066501_201910 WOLF GmbH | 51...
  • Page 52: Test The Co 2 Levels With The Casing Open

    ► Check oil nozzle and air nozzle. ► Change the oil pump pressure (6.7.4 Changing the oil pump pressure) If the heat generator fails to start with factory settings active, the parameters can be adjusted after waiting for three minutes. 52 | WOLF GmbH 3066501_201910...
  • Page 53: Changing The Oil Pump Pressure

    ► adjust pressure regulating screw, stage 2 (2) or stage 1 (1). – Tool: 4 mm Allen key (Danfoss) or AF 8 open-ended spanner (Suntec) – Rotate to the right to increase the pump pressure – Rotate to the left to decrease the pump pressure 3066501_201910 WOLF GmbH | 53...
  • Page 54: Testing The Co 2 Levels With The Casing Closed

    ✔ The heat generator will deactivate and be locked out with fault code 8. ✔ The fan will continue to run at a low speed. ► Reconnect E1. ► Acknowledge fault message. ► Check that the flue damper closes when the system is on standby. 54 | WOLF GmbH 3066501_201910...
  • Page 55: Check That The Flue Cascade Dampers Are Free Of Leaks

    – Select the rotary selector icon and switch to Standby. ✔ The heat generators will switch to standby mode. ► Press the emissions test quick start button to turn the first COB-2 on. ✔ COB-2 turns on. ► Wait for at least 5 minutes.
  • Page 56: Configuring The Heat Generator

    Standard settings for heat generator on the control module. ► Set parameters (7.1 Parameter list). 6.10 Finishing the commissioning process ► Document values in “System and operator's log”. ► Complete commissioning report (12.1 Commissioning report). 56 | WOLF GmbH 3066501_201910...
  • Page 57: Parameter Settings

    Parameter settings BM-2 programming unit installation and operating instructions for contractors AM display module installation and operating instructions for contractors Parameter list Changes may only be made by a contractor or WOLF customer service. NOTE Improper use! System faults. ► Arrange for a contractor to set and change parameters.
  • Page 58: Parameter Descriptions

    Each time the burner is shut down in heating mode, it will be disabled for the duration of the burner cycle block. The burner cycle block is reset by turning the ON/OFF switch off and on or by briefly pressing the 58 | WOLF GmbH 3066501_201910...
  • Page 59: Hg10: Ebus Address Of The Heat Generator

    CO configuration will remain enabled. DHW disabled/enabled With input E1 open, DHW heating will be disabled, regardless of any digital WOLF control accessories. When heating is disabled, frost protection mode, emissions test mode and CO configuration will remain enabled.
  • Page 60: Hg14: Function Output A1

    For HG40 system configuration 1, output A1 is switched parallel to the feed/heating circuit pump. If HG40 system configuration is set to 12, output A1 is automatically enabled as the output for a heating circuit pump (direct heating circuit). Table 7.3 Function output A1 60 | WOLF GmbH 3066501_201910...
  • Page 61: Hg15: Cylinder Hysteresis

    The burner is switched on subject to the cycle block if this temperature is not achieved when heat is demanded. The minimum boiler water temperature BTmin is also not necessarily achieved when there is no heat demand. 3066501_201910 WOLF GmbH | 61...
  • Page 62: Hg22: Maximum Boiler Temperature Btmax

    The burner is switched off if this temperature is exceeded. The burner is switched back on once the boiler temperature has decreased by the burner hysteresis. Only for COB-2-29 with TS cylinder: A BTmax of 85°C is recommended if the Pasteurisation function (A07) is active.
  • Page 63: Hg39: Soft Start Time

    Based on the maximum burner hysteresis (HG01), there is a linear reduction of the burner shutdown point after the burner starts. After the hysteresis time (HG33), the burner switches off at the minimum burner hysteresis (HG60). Also see parameter HG01 diagram. 3066501_201910 WOLF GmbH | 63...
  • Page 64: Hg61: Dhw Control

    Cylinder primary pump upstream of low loss header. Control on boiler sensor; feed pump off during cylinder heating. Header sensor Cylinder primary pump downstream of low loss header. Control on header sensor; feed pump on during cylinder heating. 64 | WOLF GmbH 3066501_201910...
  • Page 65: Fault

    Fault Fault BM-2 programming unit installation instructions for contractors AM display module installation instructions for contractors WOLF Service App: Fault code inspector NOTE Fault reset without rectifying the cause! Damage to components or the system. ► Faults must be rectified by a contractor.
  • Page 66 ► Check air ducts. – Air ducts not connected or incorrectly connected. Differential – Differential pressure sensor fails ► Check differential pressure pressure sensor not to switch back. sensor. deactivating – Infiltrating air flowing through the heat generator. 66 | WOLF GmbH 3066501_201910...
  • Page 67 – Burner control unit is controlled No action. by PC. Reset – Reset button pressed too many ► Switch power supply OFF/ON. times. System error – Internal burner control unit fault. ► Switch power supply OFF/ON. Burner control unit 3066501_201910 WOLF GmbH | 67...
  • Page 68: Warning Messages

    ► Check if supply line is faulty. faulty. Pressure sensor: – Pressure sensor faulty. ► Check cables and plug-in connections. If OK but no function: ► Replace pressure sensor. ► Press reset button. Table 8.2 Warning messages 68 | WOLF GmbH 3066501_201910...
  • Page 69: Decommissioning

    ► Isolate the entire system from the power supply. ► Switch OFF the heat generator at the ON/OFF switch. ► Isolate the system from the power supply. ► Safeguard the system against reconnection. ► Disconnect the heat generator from the power. 3066501_201910 WOLF GmbH | 69...
  • Page 70 ► Open the drain valve (e.g. heat generator BDF valve). ► Open the air vent valves on the radiators. ► Drain off the heating water. Shutting off the oil supply ► Close the oil shut-off valve. 70 | WOLF GmbH 3066501_201910...
  • Page 71: Recycling And Disposal

    ► Dispose of packaging made of cardboard, recyclable plastics and synthetic filler materials in an environmentally compatible manner through appropriate recycling systems or a recycling centre. ► Please observe the applicable national and local regulations. 3066501_201910 WOLF GmbH | 71...
  • Page 72: Specifications

    Specifications Specifications 11.1 COB-2 oil condensing boiler Oil condensing boiler COB-2-15 COB-2-20 COB-2-29 COB-2-40 Rated output: at 80/60°C stage 1 / 2 9.2 / 14.7 13.4 / 19.5 18.9 / 28.8 27.4 / 38.5 at 50/30°C stage 1 / 2 9.6 / 15.4...
  • Page 73: Ts Stratification Cylinder

    1290 Width Depth Weight Table 11.2 TS stratification cylinder specifications 11.3 Cascade Cascade type COB-2 2 x 29 3 x 29 4 x 29 2 x 40 3 x 40 4 x 40 Rated heating output at 80/60°C 57.6 86.4 115.2 77.0 115.5 154.0...
  • Page 74: Dimensions And Connections

    Specifications 11.4 Dimensions and connections 11.4.1 Dimensions Fig. 11.1 COB-2-15/20/29/40 oil condensing boiler for heating with connection option for DHW cylinder e.g. SE-2, SEM-..., BSP [mm] 1132 1132 Fig. 11.2 COB-2-15/20/29 oil condensing boiler with TS stratification cylinder Cylinder left, floorstanding [mm] Cylinder right, floorstanding [mm] 74 | WOLF GmbH...
  • Page 75: Connections

    Specifications Fig. 11.3 COB-2-15/20/29 oil condensing boiler with TS stratification cylinder, rear, floorstanding 11.4.2 Connections Fig. 11.4 COB connections [mm] Air/flue gas connection Optional fixing point for oil filter Knock-outs for individual pipework for heating Heating return connections Condensate drain level Heating flow 3066501_201910 WOLF GmbH | 75...
  • Page 76: Ntc Sensor Resistances

    Ω 1733 1669 1608 1549 1493 1438 1387 1337 1289 1244 1200 1158 Temperature °C Resistance Ω 1117 10178 1041 1005 Temperature °C Resistance Ω Temperature °C Resistance Ω Temperature °C Resistance Ω Temperature °C Resistance Ω Table 11.4 NTC sensor resistances 76 | WOLF GmbH 3066501_201910...
  • Page 77: Hot Water-Side Pressure Drop

    Specifications 11.6 Hot water-side pressure drop 1000 1200 1400 1600 1800 2000 [L/h] Fig. 11.5 Hot water-side pressure drop COB-2-15 Pressure drop [mbar] 10K spread Water volume [L/h] 20K spread 1000 1200 1400 1600 1800 2000 [L/h] Fig. 11.6 Hot water-side pressure drop COB-2-20...
  • Page 78 Specifications 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 [L/h] Fig. 11.7 Hot water-side pressure drop COB-2-29 Pressure drop [mbar] 10K spread Water volume [L/h] 20K spread 800 1200 1600 2000 2400 2800 3200 3600 4000 4400 4800 5200 5600 6000 [L/h] Fig.
  • Page 79: Appendix

    ) or oxygen content (O _____________ % Stage 2: Carbon monoxide content (CO) _____________ ppm 10. Casing fitted? 12. Control parameters checked? 11. System user instructed; documentation handed over? 12. Commissioning confirmed? Date: _____________ Signature: _________________________ 3066501_201910 WOLF GmbH | 79...
  • Page 80: Wiring Diagram

    Condensate pump Fault message, condensate pump (jumper in plug) Stratification pump ISM7i (optional) X1: OBC ON/OFF switch Water pressure sensor Reset PWM feed / heating circuit pump Service PCB DHW outlet temperature sensor AM/BM contact PCB 80 | WOLF GmbH 3066501_201910...
  • Page 81 Fan 230 V AC Oil pump Boiler temperature sensor Oil valve 1 High limit safety cut-out Oil valve 2 Flue gas temperature sensor Oil burner Fan PWM signal Ignition electrodes Differential pressure sensor Ignition unit with flame detection 3066501_201910 WOLF GmbH | 81...
  • Page 82: Hg40: System Configuration

    Hydraulic and electrical details: "Hydraulic System Solutions" technical guide. Shut-off valves, air vent valves and safety equipment are not depicted in these hydraulic diagrams. ► These should be provided for each system individually, in line with the applicable standards and regulations. 82 | WOLF GmbH 3066501_201910...
  • Page 83: System Configuration 01

    – Boiler temperature controller; set value is specified by mixing circuits – Input E2: not assigned – Feed/heating circuit pump not enabled as a heating circuit pump 12.3.3 System configuration 11 There are three possible hydraulic schemes for system configuration 11. 3066501_201910 WOLF GmbH | 83...
  • Page 84 – Header temperature control (heating mode only) – Input E2: Header sensor (heating mode only) – In case of cylinder heating, the reference temperature is provided by the boiler sensor. – Heating circuits with MM-2 84 | WOLF GmbH 3066501_201910...
  • Page 85: System Configuration 12

    – Feed/heating circuit pump enabled as a feed pump for header demand – Header temperature control – Input E2: Header sensor – Parameter 08 (T-Flowmax): 90°C – Parameter 22 (max. boiler temp.): 90°C – Parameter 14 (output A1): HCP 3066501_201910 WOLF GmbH | 85...
  • Page 86: System Configuration 51

    – Feed/heating circuit pump enabled as a feed pump from 2 V. – Boiler temperature controller – Input E2: Control by external controller with 0 - 10 V 0 - 2 V burner OFF 2-10 V set boiler temperature BTmin (HG21) - BTmax (HG22) 86 | WOLF GmbH 3066501_201910...
  • Page 87: System Configuration 60

    – Header temperature control via cascade module – Input E2: not assigned – Automatic output reduction when approaching BTmax (HG22) is enabled. Shutdown when BTmax is reached – Use a low loss header or plate heat exchanger for hydraulic separation. 3066501_201910 WOLF GmbH | 87...
  • Page 88: Product Data - Energy Consumption

    See installation See installation See installation See installation when the space heater is assembled, installed instruction instruction instruction instruction or maintained WOLF GmbH, Postfach 1380, D-84048 Mainburg, Tel. +49-8751/74-0, Fax +49-8751/741600, http://www.WOLF.eu Material number: 3021946 06/2018 88 | WOLF GmbH 3066501_201910...
  • Page 89 Sound power level, indoors Any specific precautions that shall be taken See installation when the space heater is assembled, installed instruction or maintained WOLF GmbH, Postfach 1380, D-84048 Mainburg, Tel. +49-8751/74-0, Fax +49-8751/741600, http://www.WOLF.eu Material number: 3021969 06/2018 3066501_201910 WOLF GmbH | 89...
  • Page 90 Any specific precautions that shall be taken See installation See installation See installation when the space heater is assembled, installed instruction instruction instruction or maintained WOLF GmbH, Postfach 1380, D-84048 Mainburg, Tel. +49-8751/74-0, Fax +49-8751/741600, http://www.WOLF.eu Material number: 3021992 06/2018 90 | WOLF GmbH 3066501_201910...
  • Page 91 Any specific precautions that shall be taken See installation See installation See installation when the space heater is assembled, installed instruction instruction instruction or maintained WOLF GmbH, Postfach 1380, D-84048 Mainburg, Tel. +49-8751/74-0, Fax +49-8751/741600, http://www.WOLF.eu Material number: 3022015 06/2018 3066501_201910 WOLF GmbH | 91...
  • Page 92 Sound power level, indoors Any specific precautions that shall be taken See installation when the space heater is assembled, installed instruction or maintained WOLF GmbH, Postfach 1380, D-84048 Mainburg, Tel. +49-8751/74-0, Fax +49-8751/741600, http://www.WOLF.eu Material number: 3022038 06/2018 92 | WOLF GmbH 3066501_201910...
  • Page 93: Technical Parameters To Eu Regulation No. 813/2013

    Contact WOLF GmbH, Industriestraße 1, 84048 Mainburg, Germany High temperature operation means a return temperature of 60°C at the boiler inlet and a flow temperature of 80°C at the boiler outlet. Low temperature operation means a return temperature (at the boiler inlet) of 30°C for condensing boilers, 37°C for low temperature boilers and 50°C for other heating appliances.
  • Page 94: Declaration Of Conformity

    Number: 3066501 Issued by: WOLF GmbH Address: Industriestraße 1, D-84048 Mainburg Product: COB-2 oil condensing boiler The product conforms to the requirements specified in the following documents: §6, 1. BImSchV, 26.01.2010 DIN EN 267, 02/2017 (N-E) DIN EN 298, 11/2012 DIN EN 303, 11/2017 (N) DIN EN 304, 02/2018 (N)
  • Page 95 2009/125/EC (ErP Directive) EU Regulation 812/2013 EU Regulation 814/2013 and is identified as follows: This declaration of conformity is issued under the sole responsibility of the manufacturer. Mainburg, 1 April 2019 Gerdewan Jacobs Jörn Friedrichs Technical Director Head of Development 3066501_201910 WOLF GmbH | 95...
  • Page 96 WOLF GmbH | Postfach 1380 | D-84048 Mainburg Tel. +49.0.87 51 74- 0 | Fax +49.0.87 51 74- 16 00 | www.WOLF.eu...

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