Emerson Liebert Deluxe System/3 DE Installation Manual download pdf (Page 31)

Air Cooled Models

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)

(AO Cu)

(OD Cu)

(NPT Male)

(OD Cu)

(NPT Male)

(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.

- Hot Gas Refrigerant Lines (Field install factory

supplied muffler on 245A, 290A and 380A models).

- 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

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Emerson Liebert Deluxe System/3 DE Installation Manual Page 31

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