YORK_HVAC European catalogue_Mar. 2021_EN | Page 27

High efficiency air to water heat pumps with E . V . I . compressors

YLZ 252 to 1202
Nominal capacity
YLZ HE / RV - Reversible version
252
302
452
502
602
752
852
1002
1202
Heating capacity ( EN14511 ) ( 1 )
kW
24
29.5
41.8
50.3
58.3
66.9
81.3
88.5
102.7
Total input power ( EN14511 ) ( 1 )
kW
5.2
6.7
9.5
12.2
12.8
15.3
18.9
20.6
24.6
COP ( EN14511 ) ( 1 )
4.61
4.38
4.40
4.12
4.56
4.37
4.31
4.31
4.17
Energy Class in low temperature ( 2 )
A ++
A ++
A ++
A ++
A ++
A ++
A ++
A ++
A ++
SCOP low temperature ( 2 )
4.10
3.96
3.87
3.83
4.08
4.06
3.83
3.85
3.84
ηs . h low temperature ( 2 )
160.8
155.5
151.6
150.3
160.1
159.4
150.1
150.8
150.6
Energy Class in medium temperature ( 2 )
A ++
A ++
A +
A +
A ++
A ++
A +
A +
A +
SCOP medium temperature ( 2 )
3.25
3.21
3.12
3.15
3.29
3.23
3.07
3.14
3.13
ηs . h medium temperature ( 2 )
127
125.2
121.7
123
128.5
126
119.7
122.5
122.2
Cooling capacity ( EN14511 ) ( 3 )
kW
20.9
26.3
37.5
45.6
52.9
60.5
71.6
78.2
90.8
Total input power ( EN14511 ) ( 3 )
kW
7.1
9.5
12.7
16.7
17.9
23
24.4
26.1
31.3
EER ( EN14511 ) ( 3 )
2.94
2.78
2.96
2.73
2.95
2.64
2.94
3.00
2.9
Sound power ( 4 )
dB ( A )
78
78
78
79
80
80
83
83
83
Sound pressure ( 5 )
dB ( A )
46
46
46
47
48
48
51
51
51
Power supply
V / Ph / Hz
400 / 3 / 50
Compressors / Circuits
n ° / n °
2 / 1
Fans
n °
2
2
2
2
2
2
2
2
2
Height
mm
1470
1470
1670
1670
1820
1820
1820
1820
1820
Dimensions
Length
mm
1910
1910
2200
2200
2905
2905
2905
2905
2905
Width
mm
900
900
900
900
1150
1150
1150
1150
1150
Weight
kg
560
570
720
680
1060
1070
1120
1160
1240
( 1 ) Heating : Ambient temperature 7 ° C DB . 6 ° C WB . water temperature 30 / 35 ° C . ( 2 ) Average conditions . variable - Reg EU 811 / 2013 ( 3 ) Cooling : ambient air temperature 35 ° C . evaporator water temperature in / out 12 / 7 ° C .. ( 4 ) Sound power level in accordance with ISO 3744 . ( 5 ) Sound pressure level at 10 mt from the unit in free field conditions in accordance with ISO 3744 . For information about other YLZ versions . contact your JCI representative .
Operating limits
( HE versions )
( RV versions Only )
Water temp . production (° C )
70
60
50
40
30
Water temp . production (° C )
30
25
20
15
10
5
Heating mode
Heating mode with head pressure control ( DCCF )
Cooling with head pressure control ( DCCF )
Cooling mode
20 -30 -20 -10 0 10 20 30 40 50
Ambient temperature (° C )
0 -20 -10 0 10 20 30 40 50
Ambient temperature (° C )
Manufacturer reserves the rights to change specifications without prior notice .
YORK Air-Conditioning Products 27