Danfoss DHP-A Manuale di istruzioni per l'installazione - Pagina 3
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1
Important information/Safety regulations
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These instructions are a UK-specific appendix to those instructions found in the Installation instructions .
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Read the Installation instructions prior to installation .
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For DHP Opti Pro SP (Single Phase) heat pumps it is imperative that the maximum hot water temperature
is altered from the default factory setting from 95°C to 60°C . Refer to Chapter 9 .8 menu Service – HGW
Parameter MAX TEMP in Installation instructions .
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Hard Water Areas; Normally it is not a problem to install a heat pump in hard water areas since the normal
domestic hot water working temperature will be not greater than 60°C . In areas where exceptional water
conditions prevail, consideration may need to be given to the fitting of a device capable of inhibiting scale .
In such circumstances the advice of the local water authority should be sought .
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The immersion heater, thermostat, and thermal cut-out are supplied by Danfoss and are factory fitted . If a
replacement part is necessary, it must be replaced with a Danfoss spare part .
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The water heater is protected with a sacrificial aluminium anode . Under normal circumstances no mainte-
nance is needed .
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N ote! Leave the following documents with the end-user;
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This manual
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Installation instructions
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User manual
The above documents are an integral and essential part of the product . They should be kept with the appli-
ance so that they can be consulted by the user and our authorised personnel .
Please read carefully the instructions and notices about the appliance contained in this manual, as they pro-
vide important information regarding the safe installation, use and maintenance of the heat pump .
1.1
Test results
1.1.1
Heat up time
The heat up time is measured when heating the water from 14°C to 60°C .
DWH 300: Heat up time 1 hour 53 minutes
DHP-H, DHP-A, DHP-AQ Maxi and DWH 200: Heat up time 1 hour 3 minutes
1.1.2
Re-heat time
The re-heat time is measured when 70% of the hot water has been drained and replaced by equal amount
14°C water and re-heated to 60°C .
DWH 300: Re-heat times 70% 1 hour 25 minutes
DHP-H, DHP-A and DWH 200: Re-heat time 70% 41 minutes
DHP-AQ Maxi: 1 hour 6 minutes according to EN12897 .
1.1.3
Pressure drop
The measured pressure drop throgh the primary heater is 15 kPa .
1.1.4
Hot water capacity
DHP-AQ Maxi: 160 liter according to EN12897 .
Appendix UK – 3