AHI Carrier Catalog | Page 744

Electrical data

38RBS 039 045 050 060 070 080 090 100 120 140 160
Power circuit Nominal power supply
V-ph-Hz
400-3-50
Voltage range
V
360-440
Control circuit supply
24 V , via internal transformer
Maximum start-up current ( Un )*
Standard unit
A
114.2
132.4
141.3
143.7
170.4
209.4
169.4
196.4
240.4
226.2
275.2
Unit with electronic starter option
A
74.7
86.5
93.8
96.2
114.4
139.8
-
-
-
-
-
Unit power factor at maximum capacity **
0.83
0.81
0.81
0.83
0.81
0.78
0.83
0.81
0.79
0.81
0.78
Maximum unit power input **
kW
19.5
22.3
24.5
27.9
31.2
35.8
42.3
45.6
52.5
62.4
71.6
Nominal unit current draw ***
A
26.2
30.4
34.6
37.6
44.2
53.8
57.8
64.4
78.8
88.4
107.6
Maximum unit current draw ( Un )****
A
35.6
40.0
43.8
48.6
55.8
65.8
74.3
81.8
96.8
11.6
131.6
Maximum unit current draw ( Un-10 %) †
A
38.0
49.0
51.2
57.8
73.2
79.8
88.1
107.9
117.9
146.4
159.6
Customer-side unit power reserve
kW
Customer reserve at the 24 V control power circuit
Short-circuit stability and protection
See table " Short-circuit stability current " in Product Selection Data
* Maximum instantaneous start-up current at operating limit values ( maximum operating current of the smallest compressor ( s ) + fan current + locked rotor current of the largest compressor ). ** Power input , compressors and fans , at the unit operating limits ( saturated suction temperature 15 ° C , saturated condensing temperature 65 ° C ) and nominal voltage of 400 V ( data given on the unit nameplate ). *** Nominal conditions : suction temperature 5 ° C , outside air temperature 35 ° C . **** Maximum unit operating current at maximum unit power input and 400 V ( values given on the unit nameplate ). † Maximum unit operating current at maximum unit power input and 360 V .

Options

Options No . Description Advantages Use 38RBS
AIR TREATMENT
Condenser with anticorrosion post-treatment
Condenser with pre-treated fins
2B
3A
Coils with factory-applied Blygold Polual treatment
Fins made of pre-treated aluminium ( polyurethane and epoxy )
Very low noise level
15LS
Acoustic compressor enclosure
and low-speed fans
Improved corrosion resistance , recommended for urban , industrial and rural environments Improved corrosion resistance , recommended for marine environments
Noise emission reduction at reduced fan speed
38RBS 039-160
38RBS 039-160
38RBS 039-160
Soft starter
25
Electronic compressor starter
Reduced compressor start-up current
38RBS 039-080
Winter operation
28
Fan speed control by frequency
Stable unit operation , when the air
38RBS 039-160
variator
temperature is between -10 ° C and -20 ° C
Main disconnect switch without fuse
Suction and liquid line valves
70 Factory-installed main electric disconnect switch in the control box
92B Ball valves on the suction and liquid line
JBus gateway
148B
Two-directional communications
board , complies with JBus protocol
Bacnet gateway
148C
Two-directional communications board , complies with Bacnet protocol
LonTalk gateway
148D
Two-directional communications
board , complies with LonTalk
protocol
Remote Pro-Dialog + user interface
275 Pro-Dialog + user interface for remote installation
Replaceable filter drier
277
Filter drier with cartridge to
replace hermetic filter
Temperature sensor kit
278
Room temperature sensor with adjustable set-point and supply air sensor for installation in the air handling unit for capacity control
Reinforced ECM filtration for fan VFD *
282A
Fan variable frequency drive compliance to IEC 61800-3 C1 class
Ease-of-installation and compliance with local electrical regulations
Unit isolation from the rest of the refrigerant circuit Easy connection by communication bus to a building management system Easy connection by communication bus to a building management system
Easy connection by communication bus to a building management system
Remote control of the unit and its operating parameters Easy filter replacement without emptying the refrigerant circuit Optimisation of the unit capacity control , based on the usage conditions
Allows unit installation in domestic residential environment by reducing electromagnetic interferences
38RBS 039-160
38RBS 039-160
38RBS 039-160
38RBS 039-160
38RBS 039-160
38RBS 039-160
38RBS 039-160
38RBS 039-160
38RBS 039-160
* 38RBS 039-160 with option 28
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