Greenheck ECV Series Installation, Operation And Maintenance Manual page 10

Typical Control Center Components
1. Main Disconnect (nonfusible, lockable)
2. Motor Starter – Exhaust Air Fan
3. Motor Starter – Outdoor Air Fan
4. Speed Controllers/VFDs (Supply & Exhaust)
5. 24 VAC Control Transformer
6. 24 VAC Terminal Strip
Optional Control Center Components
7. Economizer Controller
8. Dirty Filter Pressure Switches
9. Microprocessor
10. Frost Control Timer
11. Thermostat
5
11
10
8
10 Energy Core Ventilator
1
2
3
4
9
6
7
CONTROL
CENTER
DOOR
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
7-Day Timer
7 Day Timer
BLACK
TIMER
RED
(CAPPED)
On/Off/Auto Switch & Indictor Light
Wiring
BLUE
C C C R R R G 4 Y1 6 7
®