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Tab.13
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 indoor
temperature 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
Bivalent temperature
Degradation coefficient
(2)
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 en
ergy ratio for part load at indoor temperature 20°C
T
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
7623755 - v05 - 27042017
3.2.4
Prated
(1)
Prated
Prated
T
j
Pdh
Pdh
Pdh
Pdh
Pdh
Pdh
T
Cdh
ƞ
ƞ
ƞ
j
COPd
COPd
COPd
COPd
COPd
COPd
TOL
WTOL
Combination heaters with medium-temperature heat
pump
MIV-4
AWHP 4 MR
Yes
No
No
No
Yes
Yes
kW
2
kW
2
kW
3
kW
2.4
kW
3.4
kW
4.0
kW
4.2
kW
2.0
kW
2.0
°C
-10
biv
—
1.0
%
131
s
%
109
s
%
167
s
-
1.80
-
3.47
-
4.70
-
7.03
-
1.45
-
1.45
°C
-10
°C
60
3 Technical specifications
MIV-4
MIV-4
AWHP 4.5 MR
AWHP 6 MR-2
AWHP 6 MR-3
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
4
4
5
4
4
5
3.8
3.5
4.3
4.5
4.5
4.8
5.5
5.2
3.9
3.6
3.9
3.6
-10
-10
1.0
1.0
134
137
109
116
179
172
1.64
1.89
3.46
3.53
4.96
4.74
7.90
7.08
1.20
1.52
1.20
1.52
-10
-10
55
60
MIV-4
21
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