First Co HX-C Cased unit with electric heat - Manual (Page 3)

Figure 5
Figure 6
PLENUM AND UNIT FLANGE LOCATIONS
1-1/2” Fan Coil Flange
1-3/4” Minimum Fastener Location - Ple-
2-1/2” Enclosure Flange
CONNECTION LOCATIONS
Water Coil Connections
Optional Return Air Cutout
Refrigerant Line Connections
Water Coil Connections
Electrical Connections
Water Coil Connections
Drain Connections
Alternate Drain Connections