DIMENSIONS — inches (mm)
SUCTION
LINE
RETURN
AIR
OPENING
FILTER RAILS (2)
(Filter
Not Furnished)
2-1/8
(54)
3
(76)
10-15/16
(278)
CONDENSATE
DRAINS
LIQUID
LINE
BLOWER
24-3/4 (629)
19-1/2
(495)
AIR INLET
OPENING
28-1/4 (718)
18-5/8
(473)
26-15/16 (684)
30 (762)
15/16 (25)
28-5/16
(719)
19-3/4
(502)
30 (762)
19-1/2
(495)
2
(51)
1-1/2 (38)
11/16
(17)
1-1/4
(32)
1-1/4
(32)
30-1/2 (775)
DRAIN PAN
AIR
FLOW
AIR
FLOW
5/8
(16)
1-1/16 (27)
SUPPLY
AIR
OPENING
AIR OUTLET
OPENING
13-9/16
(344)
1-1/16 (27)
1-1/16
(27)
21-5/8
(549)
1-1/16
(27)
15/16 (25)
30 (762)
1-1/16
(27)
1-1/16 (27)
1-1/16 (27)
5/8 (16)
30 (762)
1-1/16
(27)
3(76)
2-1/8
(54)
OUTLET VIEW
SIDE VIEW
INLET VIEW
OUTLET VIEW
SIDE VIEW
INLET VIEW
21-5/8
(549)
1-1/2 (38)
5/8 (16)
33 (838)
9
(229)
BLOWER
ELECTRICAL INLETS
(Both Sides)
OPTIONAL
ELECTRIC HEAT
(Field Installed)
12
(305)
B19-51 and B19-65 BLOWER SECTION
CH19-51 and CH19-65 COIL SECTION
10-5/8
(270)
BLOWER
AIR
FLOW
21-5/8
(549)
SIDE VIEW
33 (838)
30-1/2 (775)
5/8 (16)
63-1/2 (1613)
BLOWER
SECTION
COIL
SECTION
NOTE — Units are shipped with left hand air
discharge. For right hand air discharge, turn
unit over (end for end) and reposition coil.
CBH19-51 and -65 HORIZONTAL MODELS
INSTALLATION CLEARANCES — ALL MODELS
Cabinet
0 inch (0 mm)
Plenum and Outlet duct on blower/coil units
1 inch (25 mm)
Plenum and Warm air duct within 3 feet
(914mm) of cabinet
1 inch (25 mm)
Floor
*Combustible
*When unit is installed in the down-flow position with electric heat on a
combustible floor an optional down-flow base is required.
— 12 —