Carrier 50JS - Manual (Page 4)

Before performing service or maintenance operations on
system, turn off main power to unit. Turn off accessory heater
power switch if applicable. Electrical shock could cause
severe injury or death.
Step 1—General
The 50JS and 50JX heat pumps are fully self-contained and
designed for outdoor installation (See Fig. 1). Standard units are
shipped in a horizontal-discharge configuration for installation on
a ground-level slab. Standard units can be converted to downflow
(vertical) discharge configurations for rooftop applications.
RECEIVING AND INSTALLATION
Step 1—Check Equipment
IDENTIFY UNIT — The unit model number and serial number
are stamped on the unit identification plate. Check this information
against shipping papers.
3.0"
4.0"
BASE PAN
BOTTOM SUPPLY
0.75"
SIDE PANEL
SUPPORT RIB(S)
COUNTER FLASHING
(FIELD SUPPLIED) NAILER
ROOFING FELT
(FIELD SUPPLIED)
CANT STRIP
(FIELD SUPPLIED)
ROOFING MATERIAL
(FIELD SUPPLIED)
INSULATION
(FIELD SUPPLIED)
SEAL STRIP
(FACTORY SUPPLIED)
A99340
3
2
13/16
7/8
A
END VIEW
SUPPORT B
SUPPORT A (2)
SIDE
(2)
DECK PAN (INSULATED)
17 3/8
TYP. D
C
46 3/16
44 5/16
B
1 TYP.
END
(2)
B
A99320
UNIT SIZE ODS CATALOG NUMBER
A
IN. [MM]
B
IN. [MM]
C
IN. [MM]
D
IN. [MM]
50JS018-042 50JX024-036
CPRFCURB006A00 8 [203] 11-27/32 [301] 30-5/8 [778] 28-3/4 [730]
CPRFCURB007A00 14 [356] 11-27/32 [301] 30-5/8 [778] 28-3/4 [730]
50JS048-060 50JX042-060
CPRFCURB008A00 8 [203] 15/27/32 [402] 42-18/ [1070] 40-1/4 [1022]
CPRFCURB009A00 14 [356] 15-27/32 [402] 42-1/8 [1070] 40-1/4 [1022]
Fig. 4—Roof Curb Dimensions
NOTES:
1. Dimensions in [ ] are in millimeters.
2. Roof curb is made of 16 gage steel.
3. Table lists only the dimensions per part number that have changed.
4. Insulated panels: 1-in. thick fiberglass 1 lb density.
4