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HDG Series Air Handler INSTALLATION INSTRUCTIONS Heat Controller, Inc.
1
1.0 NOMENCLATURE ...............................................................................................................2
2.0 SAFETY ................................................................................................................................3
3.0 GENERAL ............................................................................................................................6
3.1 UNIT DIMENSIONS ......................................................................................................7
4.0 APPLICATIONS ...................................................................................................................8
4.1 VERTICAL UPFLOW. ...................................................................................................8
4.2 VERTICAL DOWNFLOW..............................................................................................8
4.3 HORIZONTAL ...............................................................................................................9
4.4 INSTALLATION IN AN UNCONDITIONED SPACE .................................................... 11
5.0 ELECTRICAL WIRING ....................................................................................................... 11
5.1 POWER WIRING ........................................................................................................11
5.2 CONTROL WIRING ....................................................................................................12
5.3 GROUNDING .............................................................................................................12
5.4 ELECTRICAL DATA ....................................................................................................13
6.0 AIRFLOW PERFORMANCE ..............................................................................................14
7.0 DUCTWORK ......................................................................................................................17
8.0 REFRIGERANT CONNECTIONS ......................................................................................18
8.1 CONDENSATE DRAIN TUBING ................................................................................18
8.2 FLOW RATER PISTON CHANGE ..............................................................................19
9.0 AIR FILTER (not factory-installed) ..................................................................................21
10.0 FILTER INSTALLATION DIMENSIONS ..........................................................................22
10.0 WIRE DIAGRAMS ............................................................................................................23
Table of Contents