Bosch ZSB18 - 2A Manuals

Manuals and User Guides for Bosch ZSB18 - 2A. We have 1 Bosch ZSB18 - 2A manual available for free PDF download: Installation And Servicing Instructions

Bosch ZSB18 - 2A Installation And Servicing Instructions

Bosch ZSB18 - 2A Installation And Servicing Instructions (68 pages)

HYDRONIC GAS SYSTEM BOILER 18kW

Brand: Bosch | Category: Boiler | Size: 21.02 MB

Table of Contents

Table of Contents
2
1 Key to Symbols and Safety Precautions

3
- Explanation of Symbols
  3
- Safety Precautions
  4
2 Boiler Information

6
- Boiler
  6
- Technical Data
  7
- Layout
  8
3 Pre-Installation

11
- Cleaning Primary Systems
  11
- Mains Supply
  12
- Electrical Supply
  12
- Equipotential (Earth) Bonding
  12
- Gas Supply
  12
- Water System and Pipe Work
  13
- Condensate Pipe Work
  15
- Internal Connections
  15
- Pressure Relief Drain Line
  16
- Boiler Location and Clearances
  17
- Installation
  17
- Servicing Clearances - Ventilated Compartment
  17
- Compartments
  17
- Boiler Clearances - Unventilated Compartments
  18
- Installation Clearances - Unventilated Compartments
  18
- Plumbing Manifold
  19
- Connections
  19
- Flue Options
  20
- Flue Terminal Positions
  22
4 Installation

23
- Wall Mounting Template & Flue Opening
  24
- Unpacking the Boiler
  25
- Boiler Connections
  26
- Flue Installation
  28
- Measuring the Flue (Standard Flue)
  28
- Reducing the Telescopic Flue Length
  28
- Installing the Telescopic Flue
  29
- Flue Terminal Plume Re-Direction
  30
- Condensate Connection
  31
- Electrical
  32
5 Commissioning

34
- Pre-Commissioning Checks
  34
- Filling the System
  35
- Water Treatment
  35
- Starting the Boiler
  36
- Commissioning
  37
- Checking the Gas Inlet Pressure
  37
- Checking the Gas Rate
  38
- Domestic Hot Water
  38
- Finishing Commissioning
  39
- Replace Outer Casing
  39
- Fitting Fascia Flap
  39
- Installing Bottom Panel
  39
- Handover
  39
6 Service and Spares

40
- Inspection and Service
  40
- Check the Gas Inlet Pressure
  41
- Checking Flue Integrity
  41
- Fan Pressure Test
  41
- Flue Gas Analysis
  42
- Setting the Air/Gas Ratio
  43
- Setting the CO/CO2
  43
- Cleaning the Heat Exchanger
  44
- Replacement of Parts
  47
- Removing Outer Case
  47
- Primary Sensor
  47
- Overheat Thermostat
  47
- Flue Overheat Thermostat (with Grommet)
  48
- Moving Controls to Service Position
  48
- Gas Valve
  49
- Air/Gas Manifold and Fan Assembly
  49
- Fan
  50
- Electrode Assembly and Burner
  51
- Heat Exchanger
  51
- Access to Boiler Control Components
  53
- PCB Fuse
  53
- Transformer/Pcb
  53
- Replacing Controls
  54
- Syphon Removal
  55
- Diverter Valve Motor (if Fitted)
  55
- Diverter Valve (if Fitted)
  55
- Auto Air Vent
  56
- Pump Head
  56
- Drain Tap
  56
- Pressure Gauge
  57
- Hydraulic Block Removal
  57
- CH Pressure Relief Valve
  58
- Bypass Valve
  58
- Expansion Vessel
  58
- Short Parts List
  60
7 Fault Finding and Diagnosis

61
- Fault Finding
  61
- Circuit Diagram
  63
- Boiler Function
  64
- Protection Function
  65

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