INSTALLATION

Installation

Wiring Guide for Equipment Accessories

Fig. 6 - System Dehumidification with variable speed blower. For systems where low speed requires connect to normally open 24V powered DHM terminal for low speed connection on air handler/furnace (24V removed on dehumidification call).

RH

 

 

 

DHM2

DHM

 

Low Speed

 

 

 

 

 

 

 

 

 

 

DHM2

 

Fan

DHM DRY

 

Fig. 7 - System Dehumidification with variable speed blower. For systems

where low speed requires system 24V on dehumidification connect 24V to DHM2 with DHM DRY switch in DHM2 position and connect DHM to low speed connection on air handler/ furnace.

R

RH

DHM2

DHM

Low Speed

C

DHM2

Fan

DHM DRY

 

Transformer

 

 

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Emerson 1HDEZ-1521 installation instructions Fan