INDOOR
THERMOSTAT
RETURN
AIR
FROM
TOP COVERPOWER
SOURCE
DISCONNECT
PER NEC
C99061
Fig. 9ÐTypical Installation
Accessory Duct Covers
C99030
Fig. 10Ð50JX with Duct Covers On
(Unit shown with optional louvered grille)
The units dispose of condensate through a 3/4 in. NPT female fitting that exits on the compressor end of the unit. Condensate water can be drained directly onto the roof in rooftop installations (where permitted) or onto a gravel apron in ground level installa- tions. Install a
If the installation requires draining the condensate water away from the unit, install a
1” MIN.
TRAP
OUTLET
2” MIN.
C99013
Fig. 11ÐCondensate Trap
Step 7ÐInstall Electrical Connections
The unit cabinet must have an uninterrupted, unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur. This ground may consist of an electrical wire connected to the unit ground lug in the control compartment, or conduit approved for electrical ground when installed in accordance with NEC, ANSI/NFPA American National Standards Institute/National Fire Protec- tion Association (latest edition) (in Canada, Canadian Elec- trical Code CSA C22.1) and local electrical codes. Failure to adhere to this warning could result in serious injury or death.
Failure to follow these precautions could result in damage to the unit being installed:
1.Make all electrical connections in accordance with NEC ANSI/NFPA (latest edition) and local electrical codes governing such wiring. In Canada, all electrical connec- tions must be in accordance with CSA standard C22.1 Canadian Electrical Code Part 1 and applicable local codes. Refer to unit wiring diagram.
2.Use only copper conductor for connections between
3.Be sure that
4.Insulate
5.Do not damage internal components when drilling through any panel to mount electrical hardware, conduit, etc.
The
If the unit has an electric heater, a second disconnect may be required. Consult the Installation,
Operation of unit on improper line voltage constitutes abuse and may cause unit damage that could affect warranty.
ROUTING POWER LEADS INTO UNIT Ð Use only copper wire between disconnect and unit. The
8