Step 7 - - Convert To Horizontal & Connect Ductwork - Carrier 50HCQ12 Installation Instructions Manual

Single package rooftop with puron (r-410a) refrigerant size 12
Hide thumbs Also See for 50HCQ12:
Table of Contents

Advertisement

"B"
"A"
MAX WEIGHT
UNIT
LB
50HCQD12
2075
NOTES:
1. SPREADER BARS REQUIRED — Top damage will occur if spreader bars are not used.
2. Dimensions in ( ) are in millimeters.
3. Hook rigging shackles through holes in base rail, as shown in detail "A." Holes in base rails are centered around the unit center of
gravity. Use wooden top to prevent rigging straps from damaging unit.
Positioning on Curb —
For full perimeter curbs CRRFCURB072A00 and
073A00, the clearance between the roof curb and the front
and rear base rails should be
clearance between the curb and the end base rails should
1
be
/
in (13 mm). For retrofit applications with curbs
2
CRRFCURB003A01 and 4A01, the unit should be
position as shown in Fig. 6. Maintain the 15.5 in (394
5
mm) and 8
/
in (220 mm) clearances and allow the
8
5
22
/
in (567 mm) dimension to float if necessary.
16
Fig. 6 - - Retrofit Installation Dimensions
If the alternative condensate drain location through the
bottom of the unit is used in conjunction with a retrofit
curb, the hole in the curb must be moved 12.5 in (320
mm) towards the end of the unit.
Although unit is weatherproof, guard against water from
higher level runoff and overhangs.
Remove all shipping materials and top skid. Remove extra
center post from the condenser end of the unit so that the
condenser end of the unit matches Fig. 16 - - 18. Recycle
or dispose of all shipping materials.
Step 7 — Convert to Horizontal and Connect
Ductwork (when required)
Unit is shipped in the vertical duct configuration. Unit
without factory- - installed economizer or return air smoke
PLACE ALL GASKET IN PLACE BEFORE PLACING
UNIT ON ROOF CURB.
914 - 1371
( 36" - 54" )
"C"
SEE DETAIL "A"
A
KG
IN
943
116.0
Fig. 5 - - Rigging Details
1
/
in (6.4 mm). The
4
C10003
DUCT END
DIMENSIONS
B
MM
IN
MM
2945
58.5
1485
detector option may be field- - converted to horizontal ducted
configuration using accessory CRDUCTCV001A00. To
convert to horizontal configuration, remove screws from side
duct opening covers and remove covers.
Discard the supply duct cover. Install accessory
CRDUCTCV001A00 to cover the vertical supply duct
opening. Use the return duct cover removed from the end
panel to cover the vertical return duct opening.
Field- - supplied flanges should be attached to horizontal
duct openings and all ductwork should be secured to the
flanges. Insulate and weatherproof all external ductwork,
joints, and roof or building openings with counter flashing
and mastic in accordance with applicable codes.
Do not cover or obscure visibility to the unit's informative
data plate when insulating horizontal ductwork.
Fig. 7 - - Horizontal Conversion Panels
8
DETAIL "A"
C10281
C
IN
MM
59.5
1510
C06108

Advertisement

Table of Contents
loading

Table of Contents