Installation manual

Water Cooled Models
50
Figure 33 Downflow water cooled (DH) piping connections
Table 36 Downflow water cooled (DH) piping connection sizes, inches
Water Cooled Models
60 Hz (50 Hz)
A
(OD Cu)
B
(OD Cu)
C
(NPT Male)
D
(OD Cu)
E
(NPT Male)
F
(OD Cu)
DH086W (DH086W)
1-5/8 1-5/8 1/2 5/8 1/2 5/8DH127W (DH128W)
DH138W (DH143W)
DH219W (DH219W)
2-1/8 2-1/8
3/4 7/8 3/4 7/8
DH267W (DH267W)
DH315W (DH315W)
NA NA NA NA
DH412W (DH412W)
MONITORING
PANEL
NOTE: Install all piping
per local code s.
3/4" NPT Condensate Drain.
Field pitch a min. of
1/8" (3.2mm) per ft. (305mm).
Do not install an
external trap.
1/4" OD CU Humidifier Supply Line
B
- Condenser Water Supply Line
A
- Condenser Water Return Line.
C
- Steam Reheat Supply Line
D - Hot Water Reheat Supply Line.
F - Hot Water Reheat Return Line.
1/2" NPT Male Steam
Humidifier Supply Line.
1/2" NPT Male Steam
Humidifier Return Line.
(Steam Gen./Infrared)
DPN000554_Rev0
E - Steam Reheat Return Line
(Field-install factory-supplied
steam trap with vacuum breaker)
DISCONTINUED
PRODUC T