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Nibe S1255-12 User Manual

Nibe S1255-12
92 pages
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IHB EN 2001-2
531086
INSTALLER MANUAL
Ground source heat pump
NIBE S1255
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Nibe S1255-12 Specifications

General IconGeneral
Nominal heating power12 kW
RefrigerantR410A
Energy efficiency class heating 35°CA+++
Smart Grid readyYes
Internet connectivityYes
Heating capacity12 kW

Summary

Quick Guide Navigation

Setting Indoor Temperature

Guides on setting the temperature for the installation's climate system.

Important Information and Safety

Safety and Installation Procedures

Manual describes installation and service procedures for specialists.

Installation Inspection Procedure

Pre-Commissioning Inspection Checklist

Checklist for inspecting brine side, heating medium side, and electrical components before commissioning.

Delivery and Handling Guidelines

Safe Transport and Storage

Instructions for transporting and storing the S1255 unit safely.

Installation Area Requirements

Specifies the required free space and installation area considerations for the heat pump.

Unit Assembly and Placement

Guidelines for placing the heat pump on a solid foundation and ensuring stability.

Front Panel Removal

Step-by-step guide on how to remove the front panel of the unit.

Side Panel Removal

Instructions for safely removing the side panels of the heat pump unit.

Heat Pump Design Overview

Pipe Connection Details

Details the various pipe connections for heating, cold water, hot water, and brine.

HVAC and Sensor Components

Lists and identifies key heating, ventilation, air conditioning, and sensor components.

Electrical Component Identification

Lists and identifies electrical components used in the heat pump.

Distribution Box and Cooling Sections

Illustrates distribution boxes and identifies components within cooling sections.

Cooling Component Identification

Identifies and lists the components within the cooling sections.

Pipe Connection Guidelines

Brine and Heating Medium Side Connections

Detailed instructions for connecting the brine and heating medium sides.

Cold, Hot Water, and Ground Water System

Instructions for connecting cold/hot water, ground water systems, and hot water heaters.

Electrical Connections and Safety

Electrical Addition Maximum Output

Details the maximum output settings for the immersion heater.

Commissioning and Adjusting Procedures

Pre-Commissioning Preparations

Initial checks and preparations before commissioning the system.

Filling and Venting Systems

Procedures for filling and venting the climate and brine systems.

Brine System Filling and Venting

Steps for filling and venting the brine system.

Initial Start-up and Inspection

Guide for the initial start-up procedure and inspection of the installation.

Start Guide Process

Details the automatic start guide process for initial system setup.

Commissioning Overview

Explains the commissioning process and the importance of the start guide.

Automatic Pump Adjustment

How to set the correct flow for brine and heating medium pumps automatically.

Manual Pump Adjustment

How to manually adjust brine pump speed based on temperature differences.

Heating Medium Pump Adjustment

Guides on manually adjusting the heating medium pump speed using diagrams.

Setting the Heating Curve

How to set the heating curve for optimal indoor temperature and energy efficiency.

Heating Curve Adjustment Guide

Step-by-step guide for adjusting the heating curve, slope, and offset.

Control System Menus

Menu 1: Indoor Climate Settings

Settings for controlling indoor climate, including temperature, ventilation, and advanced options.

Heating Temperature Settings (1.1.1)

Setting the desired temperature for heating operation.

Heating Curve Settings (1.30.1)

Setting and viewing the heating curve for optimal indoor temperature.

Menu 2: Hot Water Settings

Settings for hot water demand, temperature increases, and circulation.

Hot Water Demand Modes (2.2)

Selecting hot water demand modes (Smart control, Small, Medium, Large).

Menu 4: My System Settings

Settings for operating modes, plus functions, and system preferences.

Operating Mode Settings (4.1)

Setting the operating mode (Auto, Manual, Add. heat only) for the heat pump.

Menu 5: Connection Settings

Settings for connecting the system to myUplink and the network.

myUplink Connection Management (5.1)

Managing myUplink connection, users, and connection strings.

Menu 6: Scheduling Functions

Setting up schedules for heating and hot water temperature changes.

Menu 7: Service Functions

Access to service functions, settings, and troubleshooting tools.

Operating Settings Menu (7.1)

Making operational settings for the system, covering hot water, pumps, compressor, etc.

Circulation Pump Settings (7.1.2)

Advanced settings for circulation pumps, including operating modes and speeds.

Emergency Mode Settings (7.1.8.2)

Settings for controlling additional heat during emergency mode.

System Settings (7.1.10)

General system settings, including operating priority and auto mode settings.

Start Guide Activation (7.7)

Manually starting the initial system setup guide.

Service Actions and Emergency Mode

Emergency Mode Operation

How the system operates in emergency mode, including active functions.

Cooling Module Removal Procedure

Detailed steps for removing the cooling module, including disconnecting pipes and connectors.

Troubleshooting Disturbances in Comfort

Alarm Management and Resetting

Handling alarms, including viewing alarm details and resetting them.

Low Hot Water Temperature Issues

Troubleshooting steps for low hot water or lack of hot water.

Low Room Temperature Troubleshooting

Troubleshooting steps for low room temperature issues.

Uneven Room Temperature Diagnosis

Diagnosing and resolving uneven room temperature problems.

Compressor Start Failure Troubleshooting

Troubleshooting steps when the compressor fails to start.

High Room Temperature Troubleshooting

Troubleshooting steps for high room temperature issues.

Technical Data Specifications

Electrical Data Summary

Detailed electrical specifications, including voltage, current, and power ratings.

EN 14511 Performance Data

Performance data for heating capacity, supplied power, and COP under various conditions.

Compressor Operation Working Range

Graphical representation of the heat pump's working range for compressor operation.

Compressor Speed Dimensioning Diagrams

Diagrams showing specified heating output versus incoming brine temperature for compressor speed.

Cooling Mode Output Diagrams

Diagrams showing specified cooling output versus incoming brine temperature.

Package Energy Efficiency Data

Data on the energy efficiency package, including controller contribution and seasonal efficiency.

Technical Documentation Overview

Comprehensive technical data, including performance figures, power consumption, and system details.

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