Cooling Capacities for Water Temperature Rise 10° - Entering Air 80° DB/67° WB
 
SIZE ROWS CIR. CFM
4 3 2 480
4 2 450
Entering Water Temperature 40°
TOTAL BTU SEBS BTU GPM WPD APD GPM/CIR. TUBE VEL.
19.6 13.2 4.1 4.3 0.346 2.1 3.5
23.3 15.0 4.9 7.4 0.421 2.4 4.1
Entering Water Temperature 45°
TOTAL BTU SEBS BTU GPM WPD APD GPM/CIR. TUBE VEL.
14.8 11.4 3.1 2.5 0.319 1.6 2.6
18.1 12.8 3.8 4.7 0.398 1.9 3.2

 
 
Horizontal Rear Return - Air Plenum 400 to 1200 CFM
 

 

 

 
 
Horizontal Bottom Return - Air Plenum 400 to 1200 CFM
 

RETURN-AIR PLENUM
Model DWHR
A
B
C
D
E
F
G
H J K L M N Filter Size
400
31 1/2
26 7/8
25
5
26
28
29 3/16
9 6 24 1/2 8 10 1/4 11 1/4 10x28x1

Model DWHR & DXHR-04-12

  • Right-hand unit shown, left hand unit opposite.
  • Coil connections determined by facing the supply-air opening.
  • Electrical junction box is located on the same side as the coil connections.
  • Drain pan is powder-coated epoxy with 1/4" thick closed-cell insulation and has 3/4" NPT primary and secondary drain connections.
  • Entire cabinet, scroll and blower wheel are heavy-gauge, galvanized steel.
  • Coil connections: 1/2" CW on sizes 04 & 06, 3/4" on sizes 08-12 and 1/2" HW on sizes 04-12.