slope of at least 1-in. for every 10 ft. of horizontal run. Be sure to
check the drain tube for leaks. Prime trap at the beginning of the
cooling season start-up.
Step 7—Install Duct Connections
The unit has duct flanges on the supply- and return-air openings on
the side and bottom of the unit. For downshot applications the
ductwork can be connected to the roof curb. See Fig. 2 & 3 for
connection sizes and locations.
Fig. 4B—50GS and 50GX Unit Corner Weights
CORNER #
50GS
50GX
018
024
030
036
042
048
060
024
030
036
042
048
060
1
58
60
59
62
76
69
84
76
84
85
71
78
85
2
47
50
48
50
50
45
54
49
60
60
55
56
66
3
55
56
56
58
71
88
106
57
61
64
85
80
108
4
94
94
95
98
97
122
145
88
86
90
110
112
140
TOTAL WEIGHT
254
260
258
268
294
324
389
270
291
299
321
326
399
C00071
1
2
4
3
x
y
Fig. 5A—Unit Leveling Tolerances
C99065
A
B
C
MAXIMUM ALLOWABLE
DIFFERENCE (in.)
A-B
B-C
A-C
1/4
1/4
1/4
Fig. 5B—Slab Mounting Detail
C99096
OPTIONAL
RETURN
AIR
OPENING
OPTIONAL
SUPPLY
AIR
OPENING
EVAP. COIL
COND. COIL
2"
6