6
Air cooled chillers
LX
PROPELLER
F
ANS
A I R C O N D I T I O N I N G - R E F R I G E R A T I O N - A I R H A N D L I N G - H E A T E X C H A N G E -
N
N
A
A
0
0
4
4
.
.
5
5
3
3
1
1
B
B
POWERCIAT LX - LXH - LXC
1200Z
1200Z HPS
1500Z
1500Z HPS
1850Z
1850Z HPS
2150Z
2150Z HPS
Standard version
Cooling capacity (1)
kW
236
261
305
338
362
409
429
486
Absorbed power (2)
kW
101
110
129
140
156
172
184
202
Low noise and
xtra low noise versions
Cooling capacity (1)
kW
230
258
300
335
354
402
420
478
Absorbed power (2)
kW
101
109
128
138
155
173
182
209
Compressor
Type
T
win screw
Number
2
Rotation speed
rpm
2900
R407C refrigerant charge
kg
2 x 23
2 x 24
40 + 25
41 + 26
50 + 25
51 + 26
50 + 45
51 + 46
Capacity control
Modulating from 25 to 100%
(50 to 100% on each compressor)
Type of oil for R407C
BITZER BSE 170
Oil charge for compressor
liters
2 x 8
14 + 8
18 + 8
18 + 14
Evaporator
Type
Direct expansion shell and tubes
Number
1
Water capacity
liters
56,5
68
85
Hydraulic connections
VICTAULIC type
Maximum pressure on water side
bar
10
Maximum water flow
m
3
/h
82
100
135
Air cooled
condenser
Fans
Direct drive propeller type - 800 mm diameter
Number of fans
4
6
8
Rotation speed
rpm
ST
ANDARD version 905 rpm
Air flow
m
3
/h
88 000
136 000
132 000
180 000
Motor unit power
kW
2,6
Rotation speed
rpm
LOW NOISE - XTRA LOW NOISE versions 715 rpm
Air flow
m
3
/h
72 400
112 200
108 600
148 400
Motor unit power
kW
1,8
Standard version
Lw / Lp (3)
dB(A)
96/64
98/66
100/67
Low noise version
Lw / Lp (3)
dB(A)
90/58
92/60
95/62
Xtra low noise version
Lw / Lp (3)
dB(A)
85/53
87/55
88/55
T
ECHNICAL
CHARACTERISTICS
(1) Cooling capacity for 12°C / 7°C evaporator chilled water and 35°C condenser air inlet.
(2) Compressors + fans absorbed power
(3)
Lw
:
Global sound power level -
Lp
:
Global sound pressure level at 10 meters, in free field, following ISO 3744 regulation
POWERCIAT LX - LXH - LXC
2500Z
2500Z HPS
2800Z
2800Z HPS
3050Z HPS
3400Z HPS
3750Z HPS
Standard version
Cooling capacity (1)
kW
522
594
605
690
740
820
903
Absorbed power (2)
kW
216
238
244
268
287
320
362
Low noise and xtra low
noise version
Cooling capacity (1)
kW
509
582
595
685
725
803
881
Absorbed power (2)
kW
216
235
240
262
303
331
364
Compressor
T
ype
T
win screw
Number
2
3
Rotation speed
rpm
2900
R407C refrigerant charge
kg
2 x 50
2 x 51
2 x 62
2 x 63
51 + 2 x 46
2 x 51 + 46
3 x 51
Capacity control
Modulating from 25 to 100%
(50 to 100% on each compressor)
Modulating from 17 to 100%
(50 to 100% on each compressor)
T
ype of oil for R407C
BITZER BSE 170
Oil charge for compressor
liters
2 x 18
18 + 2 x 14
2 x 18 + 14
3 x 18
Evaporator
T
ype
Direct expansion shell and tubes
Number
1
Water capacity
liters
91,5
219
Hydraulic connections
VICTAULIC type
Maximum pressure on water side
bar
10
Maximum water flow
m
3
/h
135
180
Air cooled
condenser
Fans
Direct drive propeller type - 800 mm diameter
Number of fans
8
12
Rotation speed
rpm
ST
ANDARD version 905 rpm
Air flow
m
3
/h
176 000
276 000
272 000
268 000
264 000
Motor unit power
kW
2,6
Rotation speed
rpm
LOW NOISE - XTRA LOW NOISE versions 715 rpm
Air flow
m
3
/h
144 800
228 000
224 400
220 800
217 200
Motor unit power
kW
1,8
Standard version
Lw / Lp (3)
dB(A)
101/68
101/68
101/68
102/69
Low noise version
Lw / Lp (3)
dB(A)
96/63
98/65
97/64
98/65
Xtra low noise version
Lw / Lp (3)
dB(A)
89/56
91/58
90/57
91/58
