Optional Accessory Wiring Schematics - Greenheck ERV Series Installation, Operation And Maintenance Manual

Optional Accessory Wiring Schematics

Remote Panel
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:
• Unit on/off switch
• Unit on/off light
• 7-day time clock
• Hand/off/auto switch
• Dirty filter light
• Economizer light
• Frost control light
• Wheel rotation sensor light
7-Day Timer
BLACK BLUE
TIMER
RED
(CAPPED)
Unit Interfacing Terminals
S1
UNIT
ON/OFF
C C C R R R G 4 Y1 6 7 12
14 Energy Recovery Ventilator
TERMINAL BLOCKS IN
UNIT CONTROL CENTER
R
C
G
Y1
Y2
W1
6
7
12
S6
ECONOMIZER
Dirty Filter Indicator
(powered by others)
DIRTY FILTER INDICATOR
POWERED BY OTHERS
HOT
On/Off/Auto Switch & Indictor Light Wiring
NC
SUPPLY DIRTY
FILTER SWITCH
EXHAUST DIRTY
FILTER SWITCH
NC
C C C R R R G 4 Y1 6 7 12
TERMINAL BLOCKS IN
UNIT CONTROL CENTER
OFF
ON AUTO
* = BMS, TIME CLOCK,
TSTAT, RTU, ETC.
SUPPLY DIRTY
FILTER SWITCH
NC C
NC C
EXHAUST DIRTY
FILTER SWITCH
ON/OFF/AUTO SWITCH ALLOWS THREE MODES OF OPERATION
"ON" - UNIT IS TURNED ON MANUALLY
"OFF" - UNIT IS TURNED OFF MANAUALLY
"AUTO" - UNIT IS CONTROLLED VIA SCHEDULER OF BMS, TIME CLOCK, TSTAT, ETC.
COMMON
C NO
DIRTY FILTER
C NO
NO
NO
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