Combination Heaters With Medium-Temperature Heat Pump - DeDietrich ALEZIO S User Manual

3 Technical specifications
Tab.11 Outdoor unit
Outdoor unit Unit
Weight (empty) kg
Tab.12 Technical parameters for heat pump combination heaters (parameters declared for medium-temperature application)
Product name
Air-to-water heat pump
Water-to-water heat pump
Brine-to-water heat pump
Low-temperature heat pump
Equipped with a supplementary heater
Heat pump combination heater
Rated heat output under average conditions
Rated heat output under colder conditions
Rated heat output under warmer conditions
Declared capacity for heating for part load at an
indoor temperature of 20 °C and outdoor temper­
ature T
j
T
= -7 °C
j
T
= +2°C
j
T
= +7 °C
j
T
= +12 °C
j
T = bivalent temperature
j
T
= operation limit temperature
j
Bivalent temperature
Degradation coefficient
Seasonal space heating energy efficiency under
average conditions
Seasonal space heating energy efficiency under
colder conditions
Seasonal space heating energy efficiency under
warmer conditions
Declared coefficient of performance or primary
energy ratio for part load at an indoor tempera­
ture of 20 °C and outdoor temperature
T
= -7 °C
j
T
= +2 °C
j
T
= +7 °C
j
T
= +12 °C
j
T = bivalent temperature
j
T
= operation limit temperature
j
Operation limit temperature for air-to-water
heat pumps
Heating water operating limit temperature
Electrical power consumption
Off mode
Thermostat-off mode
Stand-by
14 AWHP MIV-S
AWHP 4.5 AWHP 6
MR MR-3
54 42
(1)
(2)
T
j
AWHP 8 AWHP 11
MR-2 MR-2
75 118
3.2.4 Combination heaters with medium-temperature heat
pump
AWHP 4.5 MR
Yes
No
No
No
Yes
No
Prated
kW 4
Prated
kW 5
Prated
kW 4
Pdh
kW 3.8
Pdh
kW 4.3
Pdh
kW 4.5
Pdh
kW 5.5
Pdh kW 3.9
Pdh
kW 3.9
T
°C -10
biv
Cdh
— 1.0
ƞ
% 134
s
ƞ
% 109
s
ƞ % 179
s
COPd
- 1.64
COPd
- 3.46
COPd
- 4.96
COPd
- 7.90
COPd - 1.20
COPd
- 1.20
TOL
°C -10
WTOL
°C 55
P
kW 0.009
OFF
P
kW 0.049
TO
P
kW 0.009
SB
AWHP 11 AWHP 16
TR-2 MR-2
130 118
AWHP 6 MR-3
Yes
No
No
No
Yes
No
4
4
5
3.5
4.5
4.8
5.2
3.6
3.6
-10
1.0
138
116
172
1.89
3.53
4.74
7.08
1.52
1.52
-10
60
0.009
0.049
0.015
7748711 - v03 - 08062020
AWHP 16
TR-2
130