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Nibe S1256 User Manual

Nibe S1256
88 pages
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Installer manual
Ground source heat pump
NIBE S1256
IHB EN 2326-2
631115
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Nibe S1256 Specifications

General IconGeneral
TypeAir/Water Heat Pump
Weight150 kg
Energy class heating 35°CA+++
Energy class heating 55°CA++
SCOP5.0

Summary

Quick guide

Smartguide

Provides system status and common settings assistance.

Important information

Safety information

Details installation and service procedures for specialists.

Inspection of the installation

Checklist for mandatory inspection before commissioning the heating installation.

Pipe connections

Dimensions and pipe connections

Diagrams and dimensions for pipe connections and the system layout.

Brine side

Instructions for connecting the brine side, including collector and system components.

Climate system

Information on connecting the climate system and its components.

Connecting the brine side

Step-by-step guide for installing brine system components like level vessels and shut-off valves.

Connecting the climate system

Installation steps for climate system components like expansion vessels and shut-off valves.

Cold and hot water

Settings and connection instructions for cold and hot water.

Electrical connections

SG ready

Enabling and configuring the 'SG Ready' function for smart grid integration.

Commissioning and adjusting

Venting the brine system

Instructions for venting the brine system using level or expansion vessels.

Setting pump speeds

Instructions for setting automatic and manual pump speeds for brine and climate systems.

Setting the heating curve

Understanding and adjusting the heating curve for uniform indoor temperature.

Adjustment of curve

Steps to adjust the heating curve, coefficient, and offset for a climate system.

Filling and venting

Detailed steps for filling and venting the climate and hot water systems.

Start-up and inspection

Guide for starting the S1256 and performing initial inspections.

Filling the brine system

Instructions for filling the brine system with antifreeze.

Commissioning

Details on the initial start guide process and its importance.

Control - Introduction

Product overview

Viewing product name, serial number, software, and service details.

Climate systems and zones

Configuring climate systems and zones for temperature control.

Control - Menus

Menu 1 - Indoor climate

Settings for indoor climate control, including temperature and ventilation.

Menu 2 - Hot water

Settings related to hot water operation, including demand and circulation.

Menu 3 - Info

Accessing system information, operating data, and logs.

Menu 4 - My system

System settings for operating modes, functions, and parameters.

Menu 4.2.3 - SG Ready

Configuring the 'SG Ready' function for smart grid integration.

Menu 4.6 -Smart Energy Source™™

Optimizing energy source usage based on cost or carbon neutrality.

Menu 1.1.1 - Heating

Setting heating temperature with or without a room sensor.

Menu 4.1 - Operating mode

Selecting operating modes: Auto, Manual, or Additional heat only.

Menu 4.2.5 - Smart Price Adaption™

Configuring Smart Price Adaption for optimizing energy costs based on tariffs.

Menu 4.7 - Energy price

Using tariff control for additional heat based on spot price or set price.

Menu 1.30.1 - Curve, heating

Viewing and selecting the heating curve for house heating.

Menu 4.4 - Weather control

Adjusting indoor climate based on weather forecast.

Menu 5 - Connection

Menu 5.1 - myUplink

Information on installation connection status, users, and managing myUplink connection.

Menu 5.2 - Network settings

Configuring Internet connection via Wi-Fi or Ethernet, setting TCP/IP.

Menu 6 - Scheduling

Menu 6.1 - Holiday

Scheduling longer temperature changes for heating and hot water.

Menu 6.2 - Scheduling

Scheduling repeated changes for heating and hot water operation.

Menu 7 - Installer settings

7.1 - Operating settings

System operating settings, including hot water, pumps, compressor, and heating.

Menu 7.1.1 - Temperature setting

Setting start and stop temperatures for hot water demand modes.

Menu 7.1.2.6 - Operating mode brine pump

Setting the operating mode for the brine pump (Intermittent, Continuous, 10 days cont.).

Menu 7.1.6 - Heating

Advanced heating settings, including supply temperature differences and flow.

Menu 7.1.10.1 - Operating prioritisation

Selecting how the installation prioritizes demands when multiple are active.

Menu 7.5.2 - Underfloor drying function

Setting up the underfloor drying function with time periods and temperatures.

7.1.1 - Hot water

Advanced settings for hot water operation.

Menu 7.1.2.2 - Pp sp. heating medium GP1

Setting pump speeds for the heating medium pump (GP1) in heating and hot water modes.

Menu 7.1.2.7 - Pump speed brine

Setting the speed for the brine pump (Fixed delta, Auto, Manual).

7.1.2 - Circulation pumps

Advanced settings for circulation pumps (heating medium and brine).

Menu 7.1.8 - Alarms

Configuring safety measures for operational disruptions.

7.1.6 - Heating

Advanced heating settings, including supply temperature differences and flow.

Menu 7.1.5.1 - Int elec add heat

Setting maximum electrical power for internal electric additional heat.

7.1.8 - Alarms

Alarm actions and emergency mode settings.

Service

Emergency mode

How emergency mode is activated and its operational behavior.

Disturbances in comfort

Low room temperature

Troubleshooting steps for low room temperature.

High room temperature

Troubleshooting steps for high room temperature.

Troubleshooting

Basic troubleshooting steps when operational interference is not displayed.

Uneven room temperature.

Troubleshooting steps for uneven room temperatures.

Low hot water temperature or a lack of hot water

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

The compressor does not start

Troubleshooting steps when the compressor does not start.

Technical specifications

Electrical data

Electrical data including pump outputs, enclosure class, and compliance.

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