user manual

Heat Controller, Inc. INSTALLATION INSTRUCTIONS HDG Series Air Handler

Scroll Heat Pump Applications*

Air Handler: Heat Pumps Piston Size

HDG18FB-1A HRG18S-1D 0.052 inch

HDG24FB-1A HRG24S-1D 0.058 inch

HDG30FB-1A HRG30S-1D 0.065 inch

HDG36FB-1A HRG36S-1D 0.068 inch

HDG42FB-1A HRG42S-1D 0.080 inch

HDG48FB-1A HRG48S-1D 0.090 inch

HDG60FB-1A HRG60S-1D 0.108 inch

Scroll Compressor Condenser Applications**

Air Handler: Condeners Piston Size

HDG18FB-1A RSG18S-1D 0.052 inch

HDG24FB-1A RSG24S-1D 0.058 inch

HDG30FB-1A RSG30S-1D 0.065 inch

HDG36FB-1A RSG36S-1D 0.073 inch

HDG42FB-1A RSG42S-1D 0.077 inch

HDG48FB-1A RSG48S-1D 0.105 inch

HDG60FB-1A RSG60S-1D 0.097 inch

Rotary Compressor Condenser Applications**

Air Handler: Condeners Piston Size

HDG18FB-1A RSG18R-1D 0.054 inch

HDG24FB-1A RSG24R-1D 0.061 inch

HDG30FB-1A RSG30R-1D 0.065 inch

*PISTON REQUIRED FOR THIS APPLICATION IS FACTORY INSTALLED.

**PISTON REQUIRED FOR THIS APPLICATION IS NOT FACTORY INSTALLED, REQUIRES

FIELD CONVERSION.

Flowrator Piston Size Chart

NOTE: Pistons are factory installed for use with HRG-1D series heat pump. To use the

coil with a RSG-1D series condenser, a piston change may be required. Refer to table below.