Heat Controller HDG Manual Do Utilizador

Heat Controller, Inc. 

INSTALLATION INSTRUCTIONS 

HDG Series Air Handler

20

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

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

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.