Compressor Electrical Data - 30Hxc + Option 60/61 + Option 150/150A; Unit Characteristics For 30Hxc Units With Very Low Temperature Option (Option 6); Options And Accessories; Operating Range, 30Hxc Units With Very Low Temperature Option - Carrier 30HXC Installation, Operation And Maintenance Instructions

5.8 - Compressor electrical data - 30HXC + option 60/61 + option 150/150A

Reference Size
06NA2123W6N 39
46
06NA2146W7N
06NA2174W7N 56
06NA2209W7N 66
06NA2250W7N 80
06NA2250W7E 80+
Legend
06NA - Compressor for air-cooled units
N - Non-economized compressor
E - Economized compressor
I nom. - Average current draw of the compressor at ARI conditions
MHA - Must hold amperes (maximum operating current) at 342 V (A)
LRA - Locked rotor current with across-the-line start
LRA (Y) - Locked rotor current at reduced current (star/delta start-up mode)
LRA (S) 1 cp. - Start-up with reduced current with electronic starter (start-up duration 3 seconds max.) for one compressor per circuit
LRA (S) 2 cp. - Start-up with reduced current with electronic starter (start-up duration 3 seconds max.) for two compressors per circuit

6 - UNIT CHARACTERISTICS FOR 30HXC UNITS WITH VERY LOW TEMPERATURE OPTION (OPTION 6)

The 30HXC units with the very low temperature option are
directly derived from the 30HXC models equipped with the high
condensing temperature option (option 150). Unit sizes available
with the very low temperature option are the following: 30HXC
090, 110, 130, 155, 175, 200, 230, 260, 310, 345.
Their application range allows the production of glycol/water
solution down to -10°C with ethylene glycol at 35% (by weight)
or down to -7°C with propylene glycol at 30% (by weight). The
precision of these amounts is critical for correct unit operation.
In addition to the ones already listed for the high condensing
temperature option (see chapter 4.4) the main modifications are:
the evaporator is equipped with reinforced thermal 38 mm
•
insulation,
the electronic expansion valves are changed,
•
the use of a wide-band oil differential sensor.
•
All technical data is the same as for the 30HXC units with option
150 except for the following chapters:

6.1 - Options and accessories

The options available for the 30HXC units equipped with the very
low temperature option are as follows: 20, 22, 60, 61, 84, 84D,
84R, 92, 104A, 107, 107A, 152, 193, 194, 197, 199.
I nom. MHA
62 84
73 102
89 125
107 153
127 178
148 214
LRA LRA (Y)
485 153
580 183
685 216
820 259
920 291
1175 371
6.2 - Operating range, 30HXC units with very low
temperature option
30HXC evaporator with 35% ethylene glycol
Evaporator entering water temperature
Evaporator leaving water temperature
30HXC evaporator with 30% polypropylene glycol
Evaporator entering water temperature
Evaporator leaving water temperature
30HXC condenser
Condenser entering water temperature
Condenser leaving water temperature
Outdoor air temperature
For very low temperature applications the anti-freeze solution is
critical for correct unit operation. The following amounts (by
weight) are required:
Evaporator leaving water, °C
-6
-7
-8
-9
-10
LRA (S) 1 cp. LRA (S) 2 cp.
NA NA
NA NA
245 345
290 410
320 460
405 535
°C Minimum
-7.2
-10
-4.2
-7
20
25
6
Ethylene glycol, % Propylene glycol, %
25 27
28 30
30 NA
33 NA
35 NA
Maximum
21
15
21
15
50
55
40
23