Bosch EHP 6-11 LW User Manual

76
TECHNICAL INFORMATION
Technical information
Technical information single-phase models
Compress 3000 EHP7LW/M EHP9LW/M 11 LW/M
Emitted/ Supplied output at 0/35°C
1
kW 7.2/1.7 9.1/2.1 10.6/2.4
Emitted/ Supplied output at 0/50°C
2
kW 6.8/2.2 8.5/2.7 10.0/3.2
Minimum fl ow heating side l/s 0.18 0.22 0.26
Nominal fl ow heating side l/s 0.25 0.31 0.38
Maximum pressure available heating side (at nominal fl ow) kPa 36 34 33
Nominal fl ow of antifreeze mixture to the collector hose l/s 0.38 0.46 0.57
Maximum pressure available to collector hose (at nominal fl ow) kPa 45 44 80
Type of antifreeze
Bioethanol - water or
Propylene/ethylene glycol - Water
Maximum pressure heating side bars 1.5
Maximum pressure on collector hose side bars 4
Maximum outgoing temperature to the heating system °C 65
Working temperatures on collector hose side °C -5 to +20
Integrated collector hose and heat carrier pump Yes
Power supply 230V 1N~ 50Hz
Additional heat settings kW 3.0 / 6.0 / 9.0
The recommended type of fuse depends on the electrical output
3
6 kW electric cassette
9 kW electric cassette
AaM 40 50 50
AaM 63 63 63
Starting current. soft start A 23.8 30.9 34.6
Compressor Scroll
Type R407c HFC refrigerant kg 1.60 1.80 2.40
Connection for heat fl uid out/in mm Cu 22 Cu 22 Cu 22
Out/in collector hose connection mm Cu 28 Cu 28 Cu 28
Dimensions of Model LW (LwDxH) mm 600x600x1520
Weight of model LW kg 152 155 170
Dimensions of Model LWM (LwDxH) mm 600x600x1800
Weight of model LWM Hot water heater in stainless steel kg 201 210 218
Integrated hot water heater with double shell on model LWM.
4
Stainless steel Stainless steel Stainless steel
Hot water heater model LWM litres 185 185 185
Control unit Rego 637
1
Output data at 0/35°C and min heating medium fl ow are stated according to the European standard EN 255.
2
Output data at 0/50°C and maccord. to clockeating medium fl ow are stated according to the European standard EN 255.
3
aM type fuse, D curve circuit breaker
4
Electric anode included

Bosch EHP 6-11 LW Specifications

General

Brand	Bosch
Model	EHP 6-11 LW
Category	Heat Pump
Language	English

Summary

Important Information for Users

Component Parts of the Heat Pump (LWM Model)

Component Parts of the Heat Pump (LW Model)

Compressor

Control Panel

Control Unit

Control Unit Functionality

Heat Pump Control Methods

Control with Outdoor Sensor

Control with Outdoor and Room Sensor

Control Panel and Indicators

Controls and Status Lamps

Navigating the Control Panel

Using Control Panel Buttons

Basic Functions (Customer Level 1)

Accessing frequently used settings for users.

Setting the Heating

Understanding the Heat Curve

Adjusting the Heat Curve

Modifying Curve Slope

How to increase or decrease heating by adjusting the curve slope.

Cold Weather Heating Adjustment

Procedure for adjusting heat curve in cold conditions.

Fine-Tuning the Heat Curve

Adjusting for Warm Weather

Setting Room Temperature

Heating and Hot Water Settings

Extra Functions (Customer Level 2)

Advanced Temperature Settings

Fine-Tuning the Heat Curve

Hot Water and Timer Settings

Timer Control Settings

Setting heating schedules based on time and day.

Timer Control Details

Operation Times and Clock Settings

Setting Time and Date

Correctly setting the internal clock and date for proper function.

Alarms and Factory Reset

Alarm Logging

Accessing and viewing logged alarms and their status.

Maintenance Overview

Maintenance Procedures

Cleaning the Particle Filter

Troubleshooting Guide

Responding to Alarms

How to interpret and acknowledge alarm messages on the display.

Fuses, Reset Buttons, and Alarms

Heat Pump Fuses and Reset Buttons

Location and function of fuses and reset buttons for troubleshooting.

Comprehensive Alarm List

A list of all possible alarms and their corresponding causes.

Compressor and Pump Faults

Motor Cut-Out Compressor (MB1)

Troubleshooting steps for compressor motor cut-out alarms.

Motor Cut-Out HTF Pump (MB2)

Troubleshooting steps for HTF pump motor cut-out alarms.

Temperature and Pressure Faults

Compressor Temperature Alarm (GT6)

Addressing alarms related to compressor overheating.

Low Pressure Switch Alarm (LP)

Troubleshooting low pressure switch alarms.

Pressure and Electric Cassette Faults

High Pressure Switch Alarm (HP)

Troubleshooting high pressure switch alarms.

Electric Cassette Alarms (EK)

Addressing alarms related to the electric cassette.

Electrical and Fluid Flow Faults

Power Failure Alarms

Actions for power failure and incorrect phase alarms.

High Heat Transfer Fluid Delta Alarm

Troubleshooting alarms for high temperature difference in heat transfer fluid.

Heat Pump Flow and Temperature Faults

High Return Temperature Alarm (GT9)

Addressing alarms for excessively high return water temperature.

Heat Transfer Fluid Out Max Alarm (GT8)

Troubleshooting alarms for maximum heat transfer fluid output temperature.

Sensor and Fluid Limit Faults

Sensor Faults

General troubleshooting for defective sensors.

HTF Fluid Limit Alarms (GT10/GT11)

Addressing alarms for low heat transfer fluid temperature limits.

For the Installer

Installer Important Information

Installation Checklist

A step-by-step guide for installers to follow during installation.

Dimensions and Plumbing Connections

Preparations Before Connection

Electrical and Heating System Connections

Connecting to Heating System

General advice on connecting to the heating system, including flushing.

Heating System Connection Without Bypass

LWM Model Heating System Connection

LW Model Heating System Connection

System Filling Procedures

Filling Heat Transfer Fluid

Connecting to Power Supply

External Connections

Power Supply Connections (3-Phase/1-Phase)

Details for connecting 3-phase and 1-phase power supplies.

Sensors and Mixing Valve Connections

Wiring for external sensors and mixing valves.

Installer and Service Menu (I/S)

Accessing the Installer Menu

How to enter the service menu by holding the menu button.

Navigating Installer Menus

Example of using the control panel for installer settings.

Commissioning the Heat Pump

Starting the Heat Pump

Initial startup procedure and checks.

Post-Startup Checks

Essential checks for pressure, levels, and temperature differences post-startup.

Commissioning Settings

Temperature Settings Adjustments

Commissioning Service Functions

Advanced Commissioning Options

Additional Heat and Reset Settings

Return to Factory Settings

Resetting settings to factory defaults for installer or user levels.

Manual Test Runs and Checks

Manual Test Run

Key Checks After Startup

Essential checks for pressure, levels, and temperature differences post-startup.

Technical Information

Factory Settings Overview

Technical Data (Three-Phase Models)

Technical Data (Single-Phase Models)