Cooling Capacities for Water Temperature Rise 10° - Entering Air 80° DB/67° WB
 
SIZE ROWS CIR. CFM
10 3 3 1080
4 4 1030
Entering Water Temperature 40°
TOTAL BTU SEBS BTU GPM WPD APD GPM/CIR. TUBE VEL.
41.5 28.6 8.8 7.7 0.511 2.9 5.0
48.0 31.7 10.1 6.3 0.631 2.5 4.3
Entering Water Temperature 45°
TOTAL BTU SEBS BTU GPM WPD APD GPM/CIR. TUBE VEL.
31.4 24.3 6.6 4.5 0.470 2.2 3.7
36.6 27.1 7.7 3.8 0.590 1.9 3.3

 
 
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
1000
49 1/2
38 7/8
31
6
38
40
41 3/16
 10 3/8 7 13/16 26 1/2 10 12 1/4 13 1/4 12x40x1

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.