3.2.4 Combination heaters with medium-temperature heat pump
Tab.13 Technical parameters for heat pump combination heaters (parameters declared for medium-temperature application)
Product name
MIV-4
AWHP 4 MR
MIV-4
AWHP 6 MR-2
MIV-4
AWHP 8 MR-2
Air-to-water heat pump
Yes
Yes
Yes
Water-to-water heat pump
No
No
No
Brine-to-water heat pump
No
No
No
Low-temperature heat pump
No
No
No
Equipped with a supplementary heater
Yes
Yes
Yes
Heat pump combination heater
Yes
Yes
Yes
Rated heat output under average conditions
(1)
Prated
kW
3
4
6
Rated heat output under colder conditions
(13)
Prated
kW
3
4
6
Rated heat output under warmer conditions
(13)
Prated
kW
3
5
6
Declared capacity for heating for part load at indoor
temperature 20 °C and outdoor temperature
T
j
T
j
= -7 °C
Pdh
kW
2.9
3.5
5.6
T
j
= +2 °C
Pdh
kW
3.5
4.5
6.1
T
j
= +7 °C
Pdh
kW
3.9
4.8
6.4
T
j
= +12 °C
Pdh
kW
4.8
5.2
6.7
T
j
= bivalent temperature
Pdh
kW
2.8
3.6
5.6
T
j
= operation limit temperature
Pdh
kW
2.8
3.6
5.6
Bivalent temperature
T
biv
°C
-10
-10
-10
Degradation coefficient
(2)
Cdh
—
1.0
1.0
1.0
Seasonal space heating energy efficiency under
average conditions
ƞ
s
%
150
137
136
Seasonal space heating energy efficiency under
colder conditions
ƞ
s
%
120
116
119
Seasonal space heating energy efficiency under
warmer conditions
ƞ
s
%
195
172
169
Declared coefficient of performance or primary en
ergy ratio for part load at indoor temperature 20 °C
and outdoor temperature
T
j
T
j
= -7 °C
COPd
-
1.82
1.89
1.95
T
j
= +2 °C
COPd
-
3.88
3.53
3.49
T
j
= +7 °C
COPd
-
5.57
4.74
4.57
T
j
= +12 °C
COPd
-
9.33
7.08
6.33
T
j
= bivalent temperature
COPd
-
1.47
1.52
1.63
T
j
= operation limit temperature
COPd
-
1.47
1.52
1.63
Operation limit temperature for air-to-water heat
pumps
TOL
°C
-10
-10
-10
Heating water operating limit temperature
WTOL
°C
60
60
60
Electrical power consumption
Off mode
P
OFF
kW
0.009
0.009
0.009
Thermostat-off mode
P
TO
kW
0.049
0.049
0.049
Stand-by
P
SB
kW
0.013
0.013
0.013
Crankcase heater mode
P
CK
kW
0.055
0.055
0.055
3 Technical specifications
7623755 - v02 - 03072015
MIV-4
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