TM 55-4920-227-15
decelerate to a stop smoothly, with no vibration or harsh
(2) Install the 100 ampere varidrive motor
noise.
heater (3) in each of the 2 thermal overload
relays (1) on the line-voltage motor starter
(7) and secure each heater with 4 screws
11. Equipment Conversion
a. 220-Volt Conversion.
(2).
(1) Install the 5 ampere blower motor heater (5,
(3) Connect the blower motor, varidrive motor,
autotransformer and the dual voltage
relays (6) and secure each heater with two
transformer in accordance with the wiring
screws (4).
diagram (fig. 5).
1 Thermal overload relay, type F, bulletin 925 (1 rqr)
5
Heater (for 220 volt-type F, 5 Ampere; for 440
2 Screw, machine, pan-hd. No. 10-32 x in. (8 rqr)
volt-Type F, 3.15 Ampere)
3 Heater (for 220 volt-Type F, 100 Ampere; for
6
Thermal overload relay, Type F, bulletin 925 (2 rqr)
440 volt-Type F, 50 Ampere)
7
Motor starter
4 Screw, machine, pan-hd, No. 10-32 x in. (4 rqr)
Figure 8. Blower and varidrive motor heaters, installed view.
AGO 6729A
10
