Lennox GCS16-653-75

Page 26
TABLE 7
COMPRESSOR START CAPACITOR
Unit MFD @ Volts
GCS16H-261
GCS16H-311
GCS16-411
GCS16-511
GCS16R-651
Not Used
Not Used
Not Used
176 to 216 @ 320 VAC
135 to 155 @ 320 VAC
GCS16R-411 Not Used
GCS16R-511 135 to 155 @ 320 VAC
GCS16-651
176 to 216 @ 320 VAC
5-Compressor Run Capacitor C5
All singlephase units use compressor run capacitors to
maximize compressor efficiency. Table 8 shows run ca
pacitors used in GCS16 singlephase units. Threephase
units do not use run capacitors. See figure 3 for capacitor
location.
TABLE 8
COMPRESSOR RUN CAPACITOR
Unit MFD @ Volts
GCS16H-261
GCS16H-311
GCS16-411
GCS16R-411
GCS16R-511
GCS16-511
GCS16R-651
GCS16-651
Type
Single
Single
Dual (shared with
condenser fan)
Single
Single
30 @ 370
35 @ 370
40 @ 370
40 @ 440
45 @ 440
6-Condenser Coil
All GCS16s have a single condenser coil. Each coil has
two rows (GCS16-511/513 and GCS16R-511 have 1-1/2
rows) of copper tubes fitted with rippleedged aluminum
enhanced fins.
7-Condenser Fan and Motor B4
The specifications table on page 1 in this manual shows
the specifications of condenser fans used in GCS16s.
The condenser fan in all units is controlled by cooling con
tactor K1.
8-Condenser Fan Motor Capacitor C1
All GCS16s use singlephase PSC condenser fan motors.
Table 9 shows fan run capacitor ratings for GCS16s.
TABLE 9
CONDENSER FAN MOTOR CAPACITOR
Unit & Unit Voltage
GCS16H-261 7 370
GCS16H-311
Type MFD @ Volts
Single
Single
GCS16-411
GCS16R-411
Dual (shared with
compressor)
7 370
5 370
GCS16-413 Single 5 370
208/230
208/230
208/230
ALL
GCS16-511/651
GCS16R-511/651
208/230
Single 7 370
GCS16-513/653 ALL Single 7 370
9-Blower Motor B3
All GCS16 series units use singlephase PSC blower mo
tors. A single run capacitor is mounted on the blower hous
ing. All motors use multiple speed taps. Typically, the high
speed tap is energized during compressor operation and a
lower speed tap is energized during heating operation.
Blower motors in GCS16 -261, -311 and -411 units have
four speed taps. Motors in GCS16 -511 and -651 units
have five speed taps. All G (460V) and J (575V) voltage
units have three taps. Blower motor specifications are
listed in table 10. Blower specifications are listed in the
tables on pages 1 and 2.
A third (blue) tap on G (460V) and J (575V) volt motors is
used to complete an internal circuit during low or medium
speed operation. It must never be connected to line volt
age. During low speed (red tap) operation, the high speed
(black) tap is disconnected from line voltage and is con
nected to blue internal wiring tap (see figure 24). Internal
wiring is shown in figure 25.
TABLE 10
BLOWER MOTOR - 825 RPM - CCW ROTATION
Unit
Volts
Phase HP FLA
GCS16H-261
GCS16H-311
GCS16-411/413 GCS16R-411
GCS16-511/513 GCS16R-511
GCS16-513
GCS16-651/653 GCS16R-651
GCS16-653
208/230
208/230
208/230
208/230
208/230
460
460
1
1
1
1
1
1
1
1/3
1/3
1/2
3/4
3/4
3/4
3/4
2.2
2.2
3.9
4.6
1.8
4.6
1.8
Motor
575
GCS16-413 460 1 1/2 1.8
GCS16-513 575 1 3/4 0.7
GCS16-653 1 3/4 0.7