OMM TGZ-1 TGZ 040A through TGZ 190A 9
Table 3, Wire Sizing Amps, Optional Single Point Power Supply
MINIMUM CIRCUIT AMPACITY (MCA) POWER SUPPLY
WITHOUT EXTERNAL OL'S
WITH EXTERNAL OL’S
TGZ
UNIT
SIZE
VOLTS
FREQ.
(HERTZ)
SINGLE POINT
POWER SUPPLY )
WITHOUT EXT OL'S
SINGLE POINT
POWER SUPPLY
WITH EXT OL'S
FIELD WIRE
QUANTITY
WIRE GAUGE
75°
°°
°C
FIELD WIRE
QUANTITY
75°
°°
°C
230 150 119 3 1/0 3 #1
460 76 60 3 #4 3 #6
040
575
60
49 48 3 #8 3 #8
208 204 179 3 4/0 3 3/0
230 204 163 3 4/0 3 2/0
460 93 82 3 #3 3 #4
050
575
60
85 65 3 #4 3 #6
208 230 230 3 4/0 3 4/0
230 224 207 3 4/0 3 4/0
460 109 104 3 #2 3 #2
060
575
60
90 83 3 #3 3 #4
208 311 247 3 400 3 250
230 311 224 3 400 3 4/0
460 128 112 3 #1 3 #2
080
575
60
104 90 3 #2 3 #3
208 311 294 3 400 3 350
230 311 265 3 400 3 300
460 150 133 3 1/0 3 1/0
100
575
60
120 107 3 #1 3 #2
208 357 338 6 (2) 3/0 6 (2) 2/0
230 357 305 6 (2) 3/0 3 350
460 173 152 3 2/0 3 2/0
110
575
60
139 122 3 1/0 3 #1
208 398 377 6 (2) 3/0 6 (2) 3/0
230 398 340 6 (2) 3/0 6 (2) 2/0
460 193 170 3 3/0 3 2/0
120
575
60
155 136 3 2/0 3 1/0
208 457 433 6 (2) 4/0 6 (2) 4/0
230 457 390 6 (2) 4/0 6 (2) 3/0
460 221 195 3 4/0 3 3/0
150
575
60
176 158 3 3/0 3 2/0
208 524 496 6 (2) 300 6 (2) 250
230 524 447 6 (2) 300 6 (2) 4/0
460 254 224 3 250 3 4/0
170
575
60
203 180 3 4/0 3 3/0
208 585 555 6 (2) 350 6 (2) 300
230 585 500 6 (2) 350 6 (2) 250
460 284 250 3 300 3 250
190
575
60
228 200 3 4/0 3 3/0
NOTES:.
1. Unit wire sizing amps are equal to 125% of the largest compressor-motor RLA plus 100% of the other compressor RLA's.
2. Single point power supply requires a single fused disconnect to supply electrical power to the unit.
3. External compressor overload option is only available for units with 140° F maximum leaving condenser water temperature.
4. Wire Sizes shown above are for standard ambient temperature and short runs of wire.
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