M62P40B5-02 21/09/07
pag
41
OPERATING LIMITS (COOLING)
SIZE
82
102
122
142
162
182
202
222
242
282
EXTERNAL EXCHANGER
Max air intake temperature
1
°C
48 46.5 44.5 46.5 45 43.5 46 45 43.5 44.5
Max air intake temperature
2
°C
53 51 50 50.5
49.5 48 51 49 48 49.5
Min. air intake temperature
3 °C
-10
INTERNAL EXCHANGER
Max water return temperature
4 °C
24
Min. water supply temperature
5 °C
4
OPERATING LIMITS (HEATING)
SIZE
82
102
122
142
162
182
202
222
242
282
EXTERNAL EXCHANGER
Max air temperature return (WB)
6 °C
18
Min air return temperature (W.B.)
7 °C
-7
INTERNAL EXCHANGER
Min. water supply temperature
°C 28
Max water supply temperature
8 °C
53
Water thermal head (min / max) are indicated in the section
INTERNAL EXCHANGER
PRESSURE DROP
Warning: the still air condition is meant as absence of air flow to
the unit. Any wind condition
can let air pass through the condenser coil thus worsening the
operating limits of the unit
(see limits with air speed at 0,5 m/s & 1 m/s).
internal exchanger water = 12/7°C
ATTENTION: IN CASE OF PREDOMINANT WINDS,
WINDBREAK
BARRIERS ARE NECESSARY.
(1) unit at full load: internal exchanger water 12/7°C
(2) internal exchanger water = 12/7°C
capacity-controlled unit (automatic capacity control)
(3) internal exchanger water = 12/7°C
external exchanger air in quiet
(4) this limit can be exceeded for brief and transitory periods with
automatic capacity control of the unit: the maximum limit is 30°C.
(5) antifreeze set-point
(6) unit at full load
supply water internal exchanger 45°C
(7) supply water internal exchanger 45°C
(8) ambient temperature = 7°C (RH = 85%)
SOUND LEVELS
Sound Power Level (dB)
Size
Octave band (Hz)
63 125 250 500 1000 2000 4000 8000
Sound
pressare
level
dB(A)
Sound
power
level
dB(A)
82
84 87 75 71 68 65 62 46
60
75
102
80 84 75 73 69 63 60 42
59
75
122
80 76 73 73 71 65 62 43
59
75
142
87 80 74 73 71 69 62 63
60
77
162
87 81 76 73 70 69 62 62
60
77
182
84 78 78 74 69 70 62 55
60
77
202
86 79 78 77 72 67 62 54
61
78
222
86 81 80 76 70 71 62 62
61
78
242
86 82 81 75 70 73 63 65
62
79
282
86 82 81 75 70 73 63 65
64
81
Nota:
Measures according to ISO 3744 regulations,
with respect to the EUROVENT 8/1
certification.
the sound levels refer to the unit at full load, in
the rated test conditions.
The sound pressure level refers to a distance
of 1m from the external surface of the
units operating in an open field.
data referred to the following conditions :
internal exchanger water = 12/7°C
INTERNAL EXCHANGER PRESSURE DROP
20
25
30
35
40
45
50
55
60
65
70
75
80
1
1.25
1.5
1.75
2
2.25
2.5
2.75
3
3.25
3.5
3.75
4
Q (L/s)
Dp
(
K
P
a)
82
162
14
2
12
2
10
2
222-242
202
18
2
282
SIZE
23
26
30
35
39
41
50
56
60
70
Minimum
flow
l/s 0,7 0,8 1,05 1,2 1,3 1,45 1,75 2 2 2,8
Maximum
flow
l/s 1,45 1,75 2,05 2,30 2,75 2,90 3,55 4
4
4
UNIT WITHOUT HYDRAULIC CIRCUIT COMPONENTS
DP = PRESSURE DROP
Q = WATER FLOW
EXCHAMGER PRESSURE DROP LIMIT. WARNING:
DON'T USE BELOW THIS LIMIT.
EXCHANGER PRESSURE DROP LIMIT. WARNING:
DON'T USE OVER THIS LIMIT
