Carrier 48GH - Manual (Page 4)

3/4-in. galvanized pipe, or plastie pipe. Do
not undersize the tube. Pitcfi drain tube downward
at a slope of at least 1 in. in every 10 ft of horizontal
run. Be sure to check drain tube for leaks.
Condensate water can be drained directly onto
roof in rooftop installations (where permitted) or
onto a gravel apron in ground-level installations.
When using a gravel apron, make sure it slopes
away from unit.
TO DRAIN
Venting — The vent-cap and combustion-air duct
assemblies are shipped in either the blower or
control compartment. Remove access doors to
locate assemblies. See Fig. 1 for door locations. Vent
stack extension is shipped either in air hole in unit
top or fastened to back of the control box or in
blower compartment.
CAUTION: Vestiug systetu ss ea-
s»£« proper ventiijg. Vejit-ci^ assembly tnaslbe
ins.taSed as indicated in this setikm, of Instalia-
tioo liistructtosis.
stallation Data
042
00 GL042
500
GH042
300
GH042
500
GL048
300/310
GL048
500/510
GL048
600/610
GH048
300/310
GH048
500/510
GL060
300/310
GL060
500/510
GL060
600/610
GH060
300/310
GH060
500/510
i- 5-5/8 6- 0-3/8 6- 0-3/8
i- 8-5/8 3- 8-5/8 3- 8-5/8
MO-1/8 4- 6- 1/8 4- 6- 1/8
2- 0 2- 8 2-8
1- 1-1/4 1- 1-1/4 1- 1- 1/4
3- 8-7/8 0- 8-7/8 0- 8-7/8
3- 1-3/8 0- 1- 3/8 0- 1- 3/8
0-10 0-10- 1/2 0-10-1/2
1-10-5/8 2- 0- 11/16 2- 0- 11/16
4- 1 3- 10 4 -1
>72 672 672 672 768 768 768 768 768 951 951 951 951 951
137 437 437 437 499 499 499 499 499 618 618 618 618 618
120 420 440 440 535 535 535 555 555 575 575 605 605 605
130 430 450 450 545 545 545 565 565 585 585 615 615 615
1,000 60,000 80,000 80,000 80,000 80,000 80,000 100,000 100,000 100,000 100,000 100,000 1 20,000 1 20,000
>,000 75,000 100,000 100,000 100,000 100,000 100,000 125,000 1 25,000 1 25,000 1 25,000 1 25,000 150,000 1 50,000
400 1400 1400 1400 1600 1600 1600 1600 1600 1981 1981 1981 1981 1981
) 15 0 15 0 15 0 15 0 20 0 20 0 20 0 20 0 20 0 20 0 20 0 20 0 20 0 20
mum recommended filter areas when these units have been field converted for operation at maximum rated
heating input
.fAll units have a minimum and maximum A G A -certified rated heating input and are manufactured with burner
orifices for heating operation at minimum rating Units may not be derated below this minim um rating