Optional Accessory Wiring Schematics - Greenheck ERVe 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)
On/Off/Auto Switch & Indictor Light Wiring
TERMINAL BLOCKS IN
UNIT CONTROL CENTER
ON
OFF
AUTO *
* -- BMS, TIMECLOCK,
TSTAT, RTU, ETC.
NC
SUPPLY DIRTY
FILTER SWITCH
EXHAUST DIRTY
FILTER SWITCH
NC
ON/OFF/AUTO SWITCH ALLOWS THREE MODES OF OPERATION
"ON" - UNIT IS TURNED ON MANUALLY
"OFF" - UNIT IS TURNED OFF MANUALLY
"AUTO" - UNIT IS CONTROLLED VIA SCHEDULER OF BMS, TIMECLOCK, TSAT, ETC.
10 Energy Recovery Ventilator
TERMINAL BLOCKS IN
UNIT CONTROL CENTER
R
C
G
Y1
Y2
W1
6
7
12
R
C
UNIT ON/OFF
G
Y1
Y2
W1
6 FROST CONTROL
7 ECONOMIZER
12 WHEEL ROTATION
C NO
DIRTY FILTER
C
NO
Unit Interfacing Terminals
Heating/Cooling Switches & Night Setback
Switch/Timer
UNIT ON/OFF
S1
COOL STAGE 1 / ECONOMIZER
S6
COOL STAGE 2
S7
HEAT
S4
UNOCCUPIED RECIRCULATION
S5
Dirty Filter Indicator
(powered by others)
HOT
SUPPLY DIRTY NC
FILTER SWITCH
EXHAUST DIRTY
FILTER SWITCH
NC
TERMINAL BLOCKS IN
UNIT CONTROL CENTER
R
C
G
Y1
Y2
W1
6
7
12
COMMON
C
NO
DIRTY FILTER
C NO