REMEHA Calenta 25s Manuals

Manuals and User Guides for REMEHA Calenta 25s. We have 1 REMEHA Calenta 25s manual available for free PDF download: Installation And Service Manual

REMEHA Calenta 25s Installation And Service Manual (100 pages)

High-efficiency wall-hung condensing gas boilers

Brand: REMEHA | Category: Boiler | Size: 4 MB

Table of Contents
3
Introduction

8
Symbols Used

8
Abbreviations

8
General

8
- Manufacturer's Liability
  8
- Installer's Liability
  9
Homologations

9
- Certifications
  9
- Equipment Categories
  11
- Additional Directives
  11
- Factory Test
  11
Safety Instructions and Recommendations

12
Safety Instructions

12
Recommendations

12
Technical Description

14
General Description

14
Main Parts

14
Operating Principle

15
- Gas/Air Setting
  15
- Combustion
  16
- Heating and Domestic Hot Water Production
  16
- Control System
  16
- Adjustment
  16
- Regulation of the Water Temperature
  17
- Protection against a Shortage of Water
  17
- Maximum Temperature Protection
  17
- Skeleton Diagrams
  18
- Shunt Pump
  18
- Water Flow Rate
  19
Technical Specifications

19
Installation

22
Regulations Governing Installation

22
Package List

22
- Standard Delivery
  22
- Accessories
  23
Choice of the Location

24
- Data Plate
  24
- Location of the Boiler
  24
- Ventilation
  25
- Main Dimensions
  26
Positioning the Boiler

27
Alternatives for Hydraulic Connections

28
Hydraulic Connections

31
Gas Connection

34
Connections for the Air and Exhaust Pipes

34
- Classification
  34
- Outlets
  35
- Lengths of the Air/Flue Gas Pipes
  36
- Specific Air/Flue Gas Applications
  38
- Additional Directives
  38
- Air/Exhaust Adapter
  39
- Connection of the Combustion Gas Exhaust Pipe
  40
- Connection of the Air Intake Pipe
  40
Electrical Connections

41
- Control Unit
  41
- Recommendations
  42
- Standard Control PCB
  43
- Connecting the Room Thermostat
  44
- Connecting the Outside Temperature Sensor
  45
- Connect Frost Protection
  45
- Connecting the Calorifier Sensor/Thermostat
  46
- Pc/Laptop Connection
  47
- Shutdown Input
  47
- Release Input
  47
4.10 Optional Electrical Connections

48
- Connection Options for the 0-10 V Control PCB (IF-01)
  48
- Connection Possibilities for the PCB (SCU- S02)
  49
4.11 Electrical Diagram

52
4.12 Filling the System

53
- Water Treatment
  53
- Filling the Siphon
  53
- Filling the System
  54
Commissioning

55
Control Panel

55
- Functions of the Keys
  55
- Meaning of the Symbols on the Display
  55
Check Points before Commissioning

56
- Preparing the Boiler for Commissioning
  56
- Gas Circuit
  57
- Hydraulic Circuit
  57
- Electrical Connections
  57
Commissioning the Boiler

57
Gas Settings

59
Checks and Adjustments after Commissioning

62
- Finalizing Work
  62
Reading out Measured Values

63
Changing the Settings

66
Switching off the Boiler

73
Installation Shutdown

73
Frost Protection

73
Switching off the Central Heating

74
Shutting down Domestic Hot Water Production

74
Checking and Maintenance

75
Maintenance Message

75
Preventive Maintenance with Automated Service Message

75
- Resetting the Automatic Maintenance Message
  76
- Dealing with the Next Maintenance Message and Starting the New Maintenance Period
  76
Standard Inspection and Maintenance Operations

77
Specific Maintenance Operations

81
Troubleshooting

87
Error Codes

87
Shutdowns and Lock-Outs

90
- Blockage
  90
- Blocking
  90
Error Memory

92
- Error Readout Memorised
  93
- Deletion of the Error Display
  94

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REMEHA Calenta 25s Manuals

REMEHA Calenta 25s Installation And Service Manual (100 pages)

Table of Contents

Introduction

Symbols Used

Abbreviations

General

Homologations

Safety Instructions and Recommendations

Safety Instructions

Recommendations

Technical Description

General Description

Main Parts

Operating Principle

Technical Specifications

Installation

Regulations Governing Installation

Package List

Choice of the Location

Positioning the Boiler

Alternatives for Hydraulic Connections

Hydraulic Connections

Gas Connection

Connections for the Air and Exhaust Pipes

Electrical Connections

4.10 Optional Electrical Connections

4.11 Electrical Diagram

4.12 Filling the System

Commissioning

Control Panel

Check Points before Commissioning

Commissioning the Boiler

Gas Settings

Checks and Adjustments after Commissioning

Reading out Measured Values

Changing the Settings

Switching off the Boiler

Installation Shutdown

Frost Protection

Switching off the Central Heating

Shutting down Domestic Hot Water Production

Checking and Maintenance

Maintenance Message

Preventive Maintenance with Automated Service Message

Standard Inspection and Maintenance Operations

Specific Maintenance Operations

Troubleshooting

Error Codes

Shutdowns and Lock-Outs

Error Memory

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