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Remote control panel and wiring schematics, Day timer or on/off switch, Hand/off/auto switch – Greenheck Fan 455924 ERV-522 User Manual

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20

Energy Recovery Ventilator

Remote Control Panel and Wiring
Schematics

Indicator Lights powered by the ER Unit

Dirty Filter Indicator (power by others)

Refer to Pressure Switch for voltage and load ratings.

7-Day Timer or On/Off Switch

G

C

R

7-Day Timer

S1 - Unit On/Off

Terminal Block

in Unit

Control Center

For 7-Day Timer, use blue and black wires.
Red wires should be capped off.

G

C

R

On
Off

BMS

Auto

Terminal Block

in unit

Control Center

Hand/Off/Auto Switch

Hand/Off/Auto Switch allows the unit to
“Off” - off
“On” - Manual Operation
“Auto” - Unit is controlled by BMS, RTU, etc.
NOTE: RTU controllers are by others.

The remote panel is available with a number of
different alarm lights and switches to control the unit.
The remote panel ships loose and requires mounting
and wiring in the field

The remote panel is available with the following
options:

t 6OJUPOPGGTXJUDI
t 6OJUPOPGGMJHIU
t EBZUJNFDMPDL
t )BOEPGGBVUPTXJUDI
t 5JNFEFMBZPWFSSJEF
t &DPOPNJ[FSMJHIU
t 'SPTUDPOUSPMMJHIU
t &YIBVTUBJSEJSUZmMUFSMJHIU
t 0VUEPPSBJSEJSUZmMUFSMJHIU
t 8IFFMSPUBUJPOTFOTPSMJHIU

Refer to Electrical Connections section for Field Control
Wiring recommendations.

W1

12

7

6

Y2

Y1

G

C

R

NC

C

NC

C

NO

NO

Exhaust Dirty Filter

Supply Dirty Filter

Rotation Sensor

Economizer

PS2

PS3

Frost Control

Unit On/Off

NC

NC

NO

C

NO

C

Exhaust Dirty Filter

Supply Dirty Filter

Hot

L1

PS2

PS3

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