Sound Data; Sound Level Of Wrl Standard Version; Safety And Ceck Parameter Settings - AERMEC WRL 200 Technical Manual

15.

SOUND DATA

15.1. SOUND LEVEL OF WRL STANDARD
VERSION
SOUND POWER:
Aermec determines sound power values on the
basis of measurements made in accordance
with UNI EN ISO 9614-2, as required for Euro-
vent certification.
SOUND PRESSURE:
Sound pressure in free field, at 10 m/ 393,7in
distance from the external surface of the unit
(in accordance with UNI EN ISO 3744)
16. SAFETY AND CECK PARAMETER
SETTINGS
IWRLPY. 1403. 5890710_01
22
Sound pressure dB(A)
Sound power
WRL
dB(A)
32,8ft
WRL 200 78 46
WRL 400 82 50
WRL 500 83 51
Reference data (AHRI standard) in cooling operation:
EVAPORATOR
Water outlet temperature ..... 6,7°C - 44°F
Water flow ............................. 0,043l/s per kW - 2,4gpm/ton
CONDENSER
Water inlet temperature ....... 29,4°C - 85°F
Water flow ............................. 0,054l/s per kW - 3gpm/ton
CHECK PARAMETERS
Water inlet temperature in cooling mode.
Cold Setting
Water inlet temperature in heat mode.
Heating Setting
Anti-freeze Intervention temperature for the anti-freeze
intervention alarm, on EV side (water outlet temperature).
Proportional temperature band within which
Total differential
the compressors are activated and deactiva-
ted.
Compressor thermomagnetic
Power supply: 230/3/60
MTC1
MTC2
Power supply: 460/3/60
MTC1
MTC2
Power supply: 575/3/60
MTC1
MTC2
Transducers and pressure switches
High pressure switch (HP)
High pressure transducer (THP)
Low pressure transducer (TLP)
Refrigerant circuit safety
High pressure relief valve
Sound power by central band freq. dB(A)
3,3ft 125 250 500
61 64,2 60,7 63,9
65 77,6 73,5 68,9
66 65,9 74,4 73,2
u.m. WRL 200 WRL 400
A 34
A 34
A 16
A 16
A 12
A 12
u.m. WRL 200 WRL 400
bar/PSI 40/580,2 40/580,2
bar/PSI 39/565,6 39/565,6
bar/PSI 1,6/23,2 1,6/23,2
u.m. WRL 200 WRL 400
bar/PSI 40,5/587,4 40,5/587,4
1000 2000 4000 8000
69,1 75,3 71,6 51,6
65,1 75,3 74,8 62,5
72,5 74,2 80,1 60,5
5°C/41°F
MIN.
20°C/68°F
MAX.
12°C/53,6°F
DEFAULT
MIN. 20°C/68°F
55°C/131°F
MAX.
38°C/100,4°F
DEFAULT
MIN. -
-
MAX.
4°C/39,2°F
DEFAULT
MIN. 0°C/32°F
15°C/59°F
MAX.
4°C/39,2°F
DEFAULT
WRL 500
41 63
41 63
22 28
22 28
16 24
16 24
WRL 500
40/580,2
39/565,6
1,6/23,2
WRL 500
40,5/587,4