Wolf CGB-2-75 Installation And Maintenance Instructions For Contractors
Wall mounted gas condensing boiler
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- Installation & operating instructions for contractors (80 pages)
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Summary of Contents for Wolf CGB-2-75
- Page 1 Maintenance instructions for contractors WALL MOUNTED GAS CONDENSING BOILER CGB-2-75/100 wall mounted gas condensing boiler English | subject to modifications! 8616726_202108_CN-englishmaster...
- Page 2 注意事项 错误安装将对人、畜和财产造成损害； 请严格按照沃乐夫制造工厂的说明书及相应的国家及地方技术标准来进行安装和调试； 只有持有电工和燃气专业操作证书的授权经销商和安装商，才能存储 / 更换锅炉零件或者整个锅炉； 为保证安全标准的贯彻，请使用原厂配件； 请用沃乐夫原厂提供的烟道系统设计和配件，禁止随意更改，严格禁止将双烟道系统改为单烟道系统； 对燃气压力控制器和燃气控制进行的专业维护维修，必须由燃气专业公司或者设备制造厂家进行； 为确保安全，请在安装商处购买原厂锅炉，请勿在经销商处购买经过非授权更改过的锅炉； 应在锅炉前的燃气管道上的明显位置安装燃气截止阀； 请勿将锅炉安装在具有强电磁辐射的电器周围，如电磁炉、微波炉等等； 10 禁止拆除锅炉上的任何密封件； 11 不能使用带有腐蚀性的清洁剂来清洁锅炉； 12 禁止将锅炉安装在卧房、起居室和浴室； 13 禁止儿童和无行为能力者操作锅炉，禁止将锅炉当成玩具给儿童玩耍； 14 禁止用户独自操作供暖安全阀和供暖热水排水阀；只有专业的技术人员方可操作； 15 请勿将锅炉安装在隐蔽的位置； 16 负责维护和检查的人员在对锅炉进行维护检查后应在维护和检查结果上进行标注并留档； 17 室内的配电系统应安装地线；请勿将与锅炉相连的开关安装在带有浴缸或淋浴设备的房间；使用的插头和插座应通过中国相 关部门的认证； 18 防冻保护：锅炉安装位置的周围温度需高于 +5 度并且具有防雨保护设施； 19 用户需注意，在冬季长期停机期间，必须彻底排空锅炉内采暖和热水系统中的水，此外禁止在锅炉采暖水中加入防冻液； 20 采暖循环的水质必须满足安装手册中对水质的相关要求； 21 补水时需要操作人员一直在现场并按《使用说明书》中规定的正常工作压力范围 (1.2-1.8 bar) 内补水，若低于 1.0 bar 请补水 至正常工作压力，补水后立即关掉补水阀；...
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Page 3: Table Of Contents
Message history in AM or BM-2 ......................... 07 Turning off the heat generator ........................07 Description ..........................08 CGB-2-75 / CGB-2-100 wall mounted gas condensing boiler layout ............08 Preparing for maintenance ...................... 09 Required material and tools ........................09 5.1.1... -
Page 4: 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 CGB-2-75/100 wall mounted gas condensing boiler. Target group This document is intended for gas, plumbing, heating and electricity contractors. -
Page 5: Warnings
► Action to prevent the risk. Abbreviations Cold water Cylinder primary pump Domestic hot water Display module BM-2 Programming unit High limit safety cut-out High limit safety cut-out (HLSC) eHLSC Electronic high limit safety cut-out 8616726_202108_CN-englishmaster WOLF GmbH | 05... -
Page 6: 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 7: 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 8: Checking Fault Messages
40 fault messages will be displayed for BM-2 (20 for the AM module) which can provide the contractor with information about maintenance. Fig. 3.1 Possible control modules Turning off the heat generator Fig. 3.2 Replacing the heat generator ► Switch OFF the heat generator at the ON/OFF switch. 08 | WOLF GmbH 8616726_202108_CN-englishmaster... -
Page 9: Description
Description Description CGB-2-75 / CGB-2-100 wall mounted gas condensing boiler layout Fig. 4.1 Wall mounted gas condensing boiler layout Ventilation air test point 16 Condensate trap Flue gas test point 17 Heating return Flue pipe 18 Heating flow 19 Displacement device... -
Page 10: Preparing For Maintenance
Extraction tool for displacement device 2485238 Measuring instrument for BImSchV test Table 5.1 Maintenance tools 5.1.2 Material WOLF GmbH recommends that you carry the following parts in your service kit: Item Description Part no. Flue gas temperature sensor 2745256 Displacers 8612012... -
Page 11: Opening The Heat Generator Housing
► Unhook the retainers at the top (3) and remove. 5.2.2 Removing the appliance cover Fig. 5.3 Removing the appliance cover ► Loosen the clips at the front. ► Lift up the cover and pull it forwards. 8616726_202108_CN-englishmaster WOLF GmbH | 11... -
Page 12: Opening The Combustion Chamber
► Remove the fan connector (1). ► Remove the connection lines from the ignition transformer (2). ► Remove the plug-in connections from the HLSC (3). ► Remove the plug-in connections from the ionisation electrode and earth tab (4). 12 | WOLF GmbH 8616726_202108_CN-englishmaster... -
Page 13: Loosening The Combustion Chamber Cover Star Handle Bolts
► Loosen the combustion chamber cover star handle bolts (1) and fold outwards. 5.3.4 Removing the combustion chamber cover Fig. 5.7 Removing the combustion chamber cover ► Rotate the combustion chamber cover clockwise and lift it up carefully to remove. ► Do not damage the refractory brick. 8616726_202108_CN-englishmaster WOLF GmbH | 13... -
Page 14: Maintenance
Visual burner inspection ► Check the gasket (1) for damage. ► Check the refractory brick (2) for damage. ► Check the burner (3) for damage or deposits. ➠ Remove deposits with detergent and a wet cloth. 14 | WOLF GmbH 8616726_202108_CN-englishmaster... -
Page 15: Replacing Components
► Make sure that the burner and burner gasket are in the correct position. ► Attach the intake manifold (2) with 3 screws (1) using 6 Nm of torque. Only use WOLF genuine spare parts! 8616726_202108_CN-englishmaster WOLF GmbH | 15... -
Page 16: Replacing Electrodes
► The following must be replaced whenever maintenance is performed: – Ionisation electrode (1). – Ignition electrode (2). – Gaskets (3) (4). – Screws (5) (6). Only use WOLF genuine spare parts from the maintenance kit! 6.2.3 Ionisation electrode gaps Fig. 6.4 Ionisation electrode gaps ►... -
Page 17: Ignition Electrode Gaps
Clean the heat exchanger 6.3.1 Removing the combustion chamber module Fig. 6.6 Removing the combustion chamber module ► Pull out the combustion chamber module (1) at the lifting eye (2) with the extraction tool (3). 8616726_202108_CN-englishmaster WOLF GmbH | 17... -
Page 18: Removing The Displacer
► Clean the heating water heat exchanger (1) with the stainless steel brush and rinse out with water. The stainless steel brush is included in the cleaning kit. NOTE Improper cleaning! Reduced service life. ► Do not use chemical cleaning agents. 18 | WOLF GmbH 8616726_202108_CN-englishmaster... -
Page 19: Assembling The Combustion Chamber
► Insert a new gas gasket and tighten the union nut. ► Connect the ignition and ionisation electrodes, HLSC connector and fan, see Fig. 5.5. ► Secure the combustion chamber cover with 3 star handle screws (1) . 8616726_202108_CN-englishmaster WOLF GmbH | 19... -
Page 20: Cleaning The Trap
► Hook in the cover at the rear and push it down until it locks in place. ► Hook the front casing into the top retainers (3) and push into the catches (2). ► Lock in place with screws (1). 20 | WOLF GmbH 8616726_202108_CN-englishmaster... -
Page 21: Recommissioning
► Reset the MCB. ► Press the ON/OFF switch. Finishing the maintenance 6.6.1 Setting combustion parameters Operating instructions for contractors CGB-2-75/100 ► Follow the instructions in section 6.8 of the operating instructions for contractors. ► Fit casing. 8616726_202108_CN-englishmaster WOLF GmbH | 21... -
Page 22: Updating The Software Of The Bm-2 Programming Unit
► Follow the instructions. Alternative: ► Fig. 7.1 QR Code link to video instructions must be followed. Fig. 7.1 QR Code link to video instructions ► Fit casing. ► Enter individual settings again if required. ✔ Maintenance complete. 22 | WOLF GmbH 8616726_202108_CN-englishmaster... -
Page 23: Maintenance Report
Call up maintenance display and acknowledge fault history O Update the BM-2 to FW version 2.90 or later (see quick guide for updating the software of the BM-2 programming unit) Confirm maintenance (company stamp, date, signature) 8616726_202108_CN-englishmaster WOLF GmbH | 23... - Page 24 沃乐夫暖通设备（上海）有限公司 上海市长宁区福泉北路 388 号 B 座 2 楼 03 单元 地址： 200335 邮编： 400-050-6150 客服电话： www.wolfhvac.com 网站： www.wolf-heiztechnik.com.cn 微信公众号： 抖音号： WOLF GmbH（沃乐夫集团公司） 生产者： Industriestrasse 1 D - 84048 Mainburg Germany（德国） www.wolf.eu 网站：...
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