Service Menu; Sub-Menu Hot Water; Sub-Menu Heat Pump - Danfoss DHP-A Installation Manual

Installation Guide
9

SERVICE menu

The SERVICE menu is for use during installation and service to optimise and adjust the operation of the heat pump. Open the menu by
pressing the left button for five seconds.
The menu information below describes all possible parameters. The parameters that appear in the display
N
vary depending on the selections made in menus (e.g. type of heat pump) and on the connected hardware
(e.g. expansion card and defrost card).
▪ SERVICE
▪ HOT WATER
▪ HEAT PUMP
▪ AUX. HEATER
▪ MANUAL TEST
▪ INSTALLATION
▪ DEFROST
▪ OPTIMUM
▪ HGW
9.1

Sub-menu HOT WATER

Menu selection Meaning
Start temperature for hot water production. Shows the actual weighted hot water tem-
START
perature and the value within brackets indicates the start temperature. (
ter production)
HOT WATER TIME Time for hot water production during combined hot water and heating demand, in mi-
nutes.
Time for hot water production during combined heating and hot water demand, in mi-
HEATING TIME
nutes.
TOPH. INTERVAL Time interval between peak heating charging (anti-legionella function) in days. Operat-
ing mode that permits auxiliary heater must be selected.
TOPH. TIME Time in hours that the legionella demand is to be fulfilled for legionella operation to be
considered complete.
TOPH. STOP Stop temperature for peak heat charging. Operating mode that permits auxiliary heater
must be selected.
Water heater sensor's influence compared with the peak sensor's at start of water heat-
INFL. H.W SEN-
ing.
SOR.
The calculated value of the hot water sensor directed towards the peak sensor.
WEIGHT HOT WA-
TER
9.2

Sub-menu HEAT PUMP

Menu selection Meaning
The integral's value for starting the heat pump. See Service instructions for more infor-
INTEGRAL A1
mation.
If the difference between the actual supply temperature and the calculated supply tem-
HYSTERESIS
perature is too great either the integral value is set to start value A1 (the heat pump
starts) or the value is set to 0 (stops the heat pump).
Stop temperature at high return from the heating system.
MAX RETURN
Minimum time interval between two heat pump starts in minutes.
START INTER-
VAL
Danfoss Heating Solutions
Domestic heat pumps
= no hot wa-
VMGFQ102
Factory setting
(range: , 30°C /
55°C)
20M(range: 5M / 40M)
20M(range: 5M / 40M)
7D(range: , 1D /
90D)
(range: , 1M /
10M
60°C(range: 50°C /
65°C)
65%(range: 0% / 100%)
-
Factory setting
-60°min(range:
-250°min / -5°min)
10°C(range: 1°C / 15°C)
55°C(range: 30°C / 70°C)
20M(range: 10M / 30M)
43