Working Range Compressor Operation - Danfoss DHP-AT Installation Manual

Installation Guide
DHP-AT
Number of units
Heat pump (outdoor unit)
Control unit (indoor unit)
Installation distance
restrictions
Measurements are carried out on a limited number of circulation pumps, which can give variations in results. Tolerances in the measurement methods can also give variations.
1) Measured according to IEC61000
2) At operating point A2/W35 in accordance with EN14511, including fan, defrost and correction for external circulation pump
3) At operating point A7/W35 in accordance with EN14511, including fan, defrost and correction for external circulation pump
4) At operating point A7/W35 Δ10K hot side in accordance with EN255
5) At operating point A35/W7 according to EN14511
6) At operating point A35/W18 according to EN14511
7) Nominal flow, for heat circuit Δ10K between supply line and return line, in operating point A7W25 in accordance with EN255
8) Heat pump operation only, at 0 ºC outdoor temperature
9) Fan operating on low speed: Heating mode and ambient temp > 26°C; Cooling mode and ambient temp < 18°C
10) Outdoor unit, sound power level measured according to EN ISO 3741 at A7W35 and frost-free evaporator, high fan speed.
11) Outdoor unit, sound pressure level measured according to ISO 11203, cuboid-shaped measuring surface, high fan speed.
11.1

Working range compressor operation

Lowest and highest temperatures for production of hot water, heating and cooling.
The control unit controls the heat pump operating range.
Danfoss Heating Solutions
DHP-AT
Dimensions L x W x H
Weight (empty)
Pipe connections
(supply line and return line)
Dimensions L x W x H
Weight
Heat pump, minimum free distance
from wall directly behind evaporator
inlet
Maximum distance between outdoor
and indoor unit
Unit 6 kW
mm 1028 x 460 x 660
kg 90
DN 20
mm
kg
cm 30
m 10
VMGFI302
8 kW
2
1028 x 460 x 760
101
DN 25
120 x 20 x 120
0.2
30
10
35