Danfoss DHP-L - User Manual

USER’S MANUAL
DHP-H, DHP-L, DHP-C, DHP-A
Navigate the control computer’s menus using:
To increase or reduce the set values use:
To adjust the room temperature: start by pressing
The degree information that now appears in the display is the
last desired room temperature.
To increase the temperature: press
To lower the temperature: press
The temperature you now require is registered immediately.
(After approximately ten seconds the desired room tempera-
ture appears in the display again, together with other infor-
mation.) The heat pump now starts to work to reach the new
temperature.
VUBMA102

Danfoss DHP-L Specifications

General

Brand	Danfoss
Model	DHP-L
Category	Heat Pump
Language	English

Summary

Important Information

Safety Precautions

General safety guidelines for installation, modifications, and valve usage.

Protection Against Corrosion

Precautions against corrosion from sprays and cleaning agents.

About Your Heat Pump

Principles of Function

Explains the working principle and the three fluid circuits of the heat pump.

Components

Details the five basic units comprising the heat pump.

Auxiliary Heat Systems

Covers auxiliary heating systems for DHP-H, DHP-L, DHP-C, and DHP-A models.

Water Heaters

Explains the integrated water heaters for DHP-H, DHP-C, and DHP-A models.

Regulation Information and Heat Curves

Information on regulating heat production and adjusting the heat curve.

Setting ROOM, HEATSTOP, and MIN;MAX Values

Adjusting ROOM value, HEATSTOP, and MIN/MAX supply temperatures.

Integral, Hysteresis, and Temperature History

Explains integral values, hysteresis, and viewing temperature history.

Installation Principles

Illustrates piping installation principles for various heat pump models.

Control Computer

Control Computer Overview and Display

Introduces the control computer, its display, buttons, and basic navigation.

Display Information, Symbols, and Menus

Details display symbols, operating modes, and menu structures.

Setting Operating Modes and Parameters

How to set operating modes and adjust heat curve, temperatures, and times.

Defrost and Other Specific Menus

Managing defrost functions and other model-specific menus.

Trimming the Heating System

Heating System Balancing Procedure

Step-by-step guide to balancing the heating system for optimal performance.

Instructions

Setting Operating Mode and Room Values

Covers setting operating mode and adjusting ROOM values.

Adjusting Curve Values and Temperature Limits

Adjusting CURVE values, specific heat curve parts, MIN/MAX, and HEATSTOP.

Reading Temperatures and Energy Consumption

How to read temperatures and calculate energy consumption.

Manual Defrost (DHP-A)

Procedure for manually initiating the defrost cycle on DHP-A.

Regular Checks

Operation and Alarm Checks

How to check the heat pump's operational status and alarm indicators.

Fluid Level and Safety Valve Checks

Procedures for checking fluid levels and safety valves.

Strainer Cleaning Procedures

Steps to clean strainers in the heating and brine circuits.

Accessories

Room Temperature Sensor

Information about the room temperature sensor accessory.

Troubleshooting

Alarm Messages and Troubleshooting

Details common alarm messages, their causes, and remedies.

Terms and Abbreviations

Technical Glossary

Definitions of key terms and abbreviations used in the manual.

Default Settings in the Control Computer

Default Control Settings

Lists factory and customer specific settings for control computer parameters.

References

Installation and Commissioning Records

Space to record details of installation and commissioning activities.