1-8
62-10630
c. Compressor Motor Ratings
Contactor data
Contactor data
UNIT
Voltage
Frequency
Phase
kW
HP
MRA*
LRA*
230
400
230
400
50S
230 / 400
60 Hz
3
1.491
2
11.8
9.8
45.1
26
50S
208 / 230
60 Hz
1
1.491
2
15.6
--
78.7
--
40S
230 / 400
60 Hz
3
1.491
2
11.8
9.8
45.1
26
40S
208 / 230
60 Hz
1
1.491
2
15.6
--
78.7
--
* MRA = Maximum Rotor Amps
LRA = Locked Rotor Amps
1.5 TORQUE VALUES
Assembly
Ft--Lbs
N.m
Size
Standby compressor
4.1
5.5
M 10
Evaporator Fan Motor -- Bracket
2.2
3
M 4
Condenser -- frame
7.4
10
M 6
Condenser Fan -- Blade
3.7
5
M 6
Mounting bolts
84.1
114
M 12
1.6 SAFETY DEVICES
System components are protected from damage caused by unsafe operating conditions by automatically shutting
down the unit when such conditions occur. This is accomplished by the fuses listed in Table 1-2 and safety devices
listed in Table 1-3.
Table 1-2 Fuses
Item
Rating
Road supply fuse (FR)
50 A
Standby supply fuse (FS)
(a)
50 A
Main standby fuse (FB -- X3)
16 A
Electric heat fuses (F4/F5/F6) [Future]
6.3 A
Transformer primary fuses (F1/F2/F3)
3.15 A
Main road fuse (FR1)
(b)
60 A
Field Replaceable Fuse
(c)
(Starting with Controller S/N 1997)
1 A
(a) On road / standby unit only
(b) This fuse is located close to the vehicle battery (12 v).
(c) This fuse is located on the logic board inside the microprocessor and protects the
microprocessor against reverse polarity on the power supply. (See Figure 1-3).