Cooling Capacities for Water Temperature Rise 10° - Entering Air 80° DB/67° WB
 
SIZE ROWS CIR. CFM
12 3 3 1320
4 4 1230
Entering Water Temperature 40°
TOTAL BTU SEBS BTU GPM WPD APD GPM/CIR. TUBE VEL.
51.3 34.9 10.8 11.8 0.553 3.6 6.1
58.4 38.3 12.3 9.1 0.659 3.1 5.2
Entering Water Temperature 45°
TOTAL BTU SEBS BTU GPM WPD APD GPM/CIR. TUBE VEL.
39.0 30.1 8.2 7.3 0.510 2.7 4.6
44.9 32.7 9.4 5.9 0.617 2.4 4.0

 
 
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
1200
49 1/2
44 7/8
43
6
44
46
47 3/16
 10 3/8 7 13/16 26 1/2 10 12 1/4 13 1/4 12x46x1

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.