FORM
INSTALLATION
Drain Piping
Condensate drain lines must be installed with adequate slope away from the unit to assure positive drainage. Since the drain pan is located on the suction side of the blower, a negative pressure exists at the drain pan and a minimum trap of
Drain connections, primary and secondary, are 3/4" MPT (see Fig. 5 for details).
On units with plastic drain pans the drain connections must be made hand tight only.
LD12278
CONDENSATE DRAIN CONNECTIONS
(With drain cover removed) (Thermoplastic pan shown)
FIG. 5 – CWE SERIES WALL/ CLOSET FAN COILS
Chilled Water with Electric Heat
8 | JOHNSON CONTROLS |