Carrier 30GTN Service And Troubleshooting Manual page 28

FAN ARRANGEMENT
30GTN,R040-050
30GTN,R060-090, 230B, 245B
30GTN,R100,110, 255B-315B
30GTN,R130 (60 Hz)
POWER
30GTN,R130 (50 Hz), 150-210,
230A-315A, 330A/B-420A/B†
POWER
*Control box.
†Fan numbers 11 and 12 do not apply to 30GT130-170 and associated modular units (see Table 1).
FAN
FAN RELAY
NO.
1
2
3
4
1
2
3, 4
5, 6
1
2
3, 4
5, 6, 7, 8
5, 7
6, 8
1, 2
3, 4, 9, 10
5, 7
6, 8
1, 11
3, 9
2, 12
4, 10
Fig. 17 — Condenser Fan Sequence
28
NORMAL CONTROL
— Compressor No. A1
— Compressor No. B1
A1 First Stage of Condenser Fans
B1 Second Stage of Condenser Fans
— Compressor No. A1
— Compressor No. B1
A1 First Stage of Condenser Fans
B1 Second Stage of Condenser Fans
— Compressor No. A1
— Compressor No. B1
A1 First Stage of Condenser Fans
B1 Second Stage of Condenser Fans
— Compressor No. A1
— Compressor No. B1
A1 First Stage of Condenser Fans
B1 Second Stage of Condenser Fans
— Compressor No. A1
— Compressor No. B1
A1 First Stage of Condenser Fans, Circuit A
A2 Second Stage of Condenser Fans, Circuit A
B1 First Stage of Condenser Fans, Circuit B
B2 Second Stage of Condenser Fans, Circuit B