DeDietrich MCA Pro 90 Manuals

Manuals and User Guides for DeDietrich MCA Pro 90. We have 1 DeDietrich MCA Pro 90 manual available for free PDF download: Installation And Service Manual

DeDietrich MCA Pro 90 Installation And Service Manual

DeDietrich MCA Pro 90 Installation And Service Manual (120 pages)

Wall-hung gas-fired condensing boilers

Brand: DeDietrich | Category: Boiler | Size: 6.42 MB

Table of Contents

Safety and Warranty Information

2
Symbols Used

2
- Table of Contents
  3
Safety Information

6
Safety Information and Codes

7
Safety Requirements for Installations in the State of Massachussetts

9
Start-Up

10
Shutdown

10
Lighting and Operating Instructions

11
- Abbreviations
  12
- General
  12
- Installer's Liability
  12
Introduction

12
- Manufacturer's Liability
  12
- Operator/Ultimate Owner Liability
  12
- Additional Requirements
  13
- Factory Tests
  13
- Gas Type
  13
- General Information
  13
2 Safety Instructions and Recommendations

14
- Safety Instructions
  14
- Recommendations
  14
- Technical Description
  
  15
  - General Description
    15
  - Main Parts
    15
  - Operating Principle
    16
  - Boiler Pump
    16
  - System in Cascade
    16
  - DHW Tank Connection
    16
  - Water Flow Rate
    16
4 Installation

18
- Regulations Governing Installation
  18
- Package List
  18
- Standard Delivery
  18
- Accessories
  18
- Rating Plate & Warning Label Location
  19
- Rating Plate
  19
- Minimum Service Clearances
  19
- Ventilation
  20
- Dimensions Without Bottom Connection Kit Accessory
  21
- Dimensions with Bottom Connection Kit Accessory
  22
- Mounting the Boiler
  23
- Installation Examples
  25
- MCA Pro Boiler with One Heating Circuit
  25
- MCA Pro Boiler with One Heating Circuit and DHW Tank
  26
- Water Connections
  27
- Flushing the System
  27
- Connection of the Heating Circuit
  29
- Connecting the Expansion Tank
  30
- Connecting the Condensate Discharge Pipe
  30
- Gas Connection
  32
- Installation Procedure for Gas Valve
  33
- Connections for the Air and Flue Pipes
  34
- General
  34
- Flue Gas Venting
  34
- Installation Venting Materials
  39
- Lengths of the Air/Flue Gas Pipes
  46
- Electrical Connections
  51
- Control Unit
  51
- Recommendations
  51
- Standard PCB Control
  52
- Connecting the Pump
  53
- Connecting a Third Party Control Unit
  55
- Connecting the Outdoor Temperature Sensor
  56
- Frost Protection
  57
- Connecting the DHW Tank Sensor/ Thermostat
  58
- Pc/Laptop Connection
  58
- Shutdown Input
  58
- Release Input
  59
- Optional Electrical Connections
  59
- Box for the Control Pcbs
  59
- Connection Options for the 0-10 V Control PCB (IF-01)
  60
- Connection Possibilities for the PCB
  61
- Electrical Diagram
  63
- Filling the Heating System
  64
- Water Treatment
  64
- Filling the Siphon
  64
5 Commissioning

65
- Control Panel
  65
- Display Functions
  65
- Symbols
  65
- Heat Exchanger and Burner - MCA
  65
- Check Points before Commissioning
  66
- Preparing the Boiler for Commissioning
  66
- Gas Circuit
  66
- Waterside Connections
  67
- Electrical Connections
  67
- Commissioning the Boiler
  67
- High Altitude Applicatinos
  67
- Gas Settings
  68
- Fuel Conversion
  68
- Setting the Air/Gas Ratio (Full Load)
  69
- Setting the Air/Gas Ratio (Part Load)
  70
- Finalizing Work
  71
- Reading out Measured Values
  71
- Reading the Various Current Values
  71
- Readout from the Hour Counter and Percentage of Successful Starts
  72
- Status and Sub-Status
  73
- Changing the Settings
  75
- Parameter Descriptions
  75
- Modification of the User-Level Parameters
  77
- Modification of the Installer-Level Parameters
  78
- Setting the Maximum Fuel Input for Heating System Operation
  79
- Return to the Factory Settings
  80
  - Carrying out an Auto-Detect
    81
  - Setting the Manual Mode
    81
6 Shutting down the System

82
- Shut-Down
  82
- Frost Protection
  82
7 Checking and Maintenance

83
8 Troubleshooting

96
- Error Codes
  96
- Shutdowns and Lock-Outs
  99
- Blockage
  99
- Lock-Out
  99
- Error Memory
  102
- Error Memory Readout
  102
- Deletion of the Error Display
  103
9 Spare Parts

104
- General
  104
- Casing
  104
- Heat Exchanger and Burner - MCA
  105
- Heat Exchanger and Burner - MCA
  107
- Fan - MCA
  108
- Control Panel
  109
- Spare Parts List
  110
10 Checklists

113
- Checklist for Commissioning
  113
- Checklist for Periodic Inspection and Maintenance
  114
- Fan - MCA
  115
- Lighting Instructions
  115
Installation and Service Certificate

116

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