Danfoss DHP-A User Manual
Also see for DHP-A: Service instructionsUser manualInstallation and service instructionsUser manualInstallation and service instructions
                            | |
Contents
| 
6 Regular checks6.1 Operation checkALARMLOW PRESSURE ERRORDuring normal operation, the alarm indicator is lit green continuouslyto show that everything is OK. When the alarm is triggered, it flashesgreen at the same time as a text message is shown in the display.Regularly check the alarm indicator to ensure that the installation isworking correctly. In event of an alarm the heat pump will, if possible,supply heating to the house, primarily with the compressor, secondari-ly with the immersion heater. Hot water production will stop to indi-cate that a significant event has occurred.6.2 AlarmIf an event occurs that triggers an alarm this is indicated in the display with the text ALARM and the relevantalarm message. The possible alarm messages are:Message MeaningHIGH PRESSUREERRORThe heating circuit is the heat pump's high pressure circuit. Check and, if necessary, recti-fy the circuit level as below. Reset the alarm as below.LOW PRESSUREERRORThe brine circuit is the heat pump's low pressure circuit. Check the circuit level as below.Contact the service technician.ERR PHASE SEQ. Can be displayed in conjunction with interference in the mains network, for example af-ter a temporary power cut. Reset the alarm as below. If necessary, switch the power sup-ply off for a minute or two.Other alarm mes-sageReset the alarm as below. If the alarm remains, contact a service technician.For alarms that are not reset automatically, acknowledgement is required. Acknowledge the alarm by settingthe heat pump to operating mode OFF and then back to the desired operating mode.User Guide Domestic heat pumpsVUGFE102 Danfoss Heating Solutions18 |
Related manuals for Danfoss DHP-A
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine