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Optional accessories, Remote panel wiring schematics, Indicator lights powered by the er unit – Greenheck ERCH - Energy Recovery Unit with Packaged DX (468151) User Manual

Page 21: Dirty filter indicator (power by others)

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21

Energy Recovery Unit with Packaged DX

C

NC

NO

C

NC

NO

12

6

7

W1

Y1

Y2

G

R

C

Indicator Lights
powered by the ER Unit

Unit On/Off

Frost Control
Economizer
Rotation Sensor

Dirty Filter

PS2

PS3

NC

C

NO

NC

C

NO

Dirty Filter Indicator
(Power by Others)

Dirty Filter

PS2

PS3

Hot

L1

Refer to Pressure Switch for voltage and load ratings .

OPTIONAL ACCESSORIES

Remote Panel Wiring Schematics