I'-n – Carrier 380B User Manual
Page 2
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4'-0"(l220mm) OVERHEAD SPACE REQUIRED
FOR SERVICE AND AIRFLOW
^ (22 mm)
DIAM HOLE
FOR CONTROL
WIRING
l|"(35mm)
DIAM HOLE
FOR POWER
WIRING
LIQUID VALVE SERVICE PORT
f
VAPOR VALVE SERVICE PORT
AIRFLOW
SUCTION SERVICE PORT
б" (152 mm)
THICK
12" (305mm)
GRAVEL APRON
I'-n"
{585mm) DIAM x б"(152 mm)THK CONCRETE
MOUNTING PAD FOR 38QB0I8
2-6" (762 mm) DIAM x б" (152mm) THK CONCRETE
MOUNTING PAD FOR 38QB024-042
Fig. 1 — Dimensions, Connections and
Mounting Pad (Refer to Table 2)
l'-0"(305
mm)
GRAVEL APRON
I'-n" (584mm) DIAM
'MARKER
TAPE
(HIDDEN)
T
б" (I52 mm)
THICK
CONCRETE MOUNTING PAD FOR 38QB0I8
2'-6"(762mm) DIAM
6" (152 mm
THICK
CONCRETE MOUNTING PAD FOR 38QB024-042
Fig. 2 — Accessory Mounting Rack
Table 1 — Carrier Approved 38QB Systems
OUTDOOR
UNIT
38QB
REQUIRED
OUTDOOR
PISTON
SIZE
INDOOR
UNIT
MODEL &
SIZE
REQUIRED
INDOOR
PISTON
SIZE
018
42
28HQ,VQ024
40AQ024
40DQ024
52
024
46
28HQ.VQ030
40AQ030
40DQ030
61*
030
59
28HQ,VQ036
40AQ036
70*
40A0036
70*
036
61
28HQ.VQ042
40QB042
76
042
63
40QB042
28HQ.VQ048
76*
r
‘Replace factory-installed piston with this piston size