Installation manual

Air Cooled Models
23
Figure 15 Downflow air cooled (DH) piping connections
Table 11 Downflow air cooled (DH) piping connection sizes, inches
Air Cooled Models
60 Hz (50 Hz)
A
(AO Cu)
B
(OD Cu)
C
(NPT Male)
D
(OD Cu)
E
(NPT Male)
F
(OD Cu)
DH075A (DH075A) 5/8 1/2 1/2 5/8 1/2 5/8
DH114A (DH115A) 5/8 1/2 1/2 5/8 1/2 5/8
DH125A (DH130A) 5/8 1/2 1/2 5/8 1/2 5/8
DH199A (DH199A) 7/8 1/2 3/4 7/8 3/4 7/8
DH245A (DH245A) 1-1/8 5/8 3/4 7/8 3/4 7/8
DH290A (DH290A) 1-1/8 5/8 NA NA NA NA
DH380A (DH380A) 1-1/8 5/8 NA NA NA NA
MONITORING
PANEL
NOTE: Install all piping
per local codes.
Condensate Drain. Field pitch a min. of
1/8" (3.2mm) per ft. (305mm). 3/4" NPT for units
without factory installed condensate pump. Do
not install an external trap. 1/2" OD CU for units
with factory installed condensate pump.
1/4" OD CU Humidifier Supply Line (Steam Gen./Infrared)
B - Liquid Refrigerant Lines.
A
- Hot Gas Refrigerant Lines (Field install factory
supplied muffler on 245A, 290A and 380A models).
C
- Steam Reheat Supply Line
D - Hot Water Reheat Supply Line.
E - Steam Reheat Return Line (Field
install factory supplied steam
trap with vacuum breaker).
F - Hot Water Reheat Return Line.
1/2" NPT Male Steam
Humidifier Supply Line.
1/2" NPT Male Steam
Humidifier Return Line
DPN000536_Rev0
DISCONTINUED
PRODUC T