Greenheck PVe (472846) - Manual (Page 10)

10 Model PVe Heat Recovery Unit
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.
Optional Accessory Wiring Schematics
The remote panel is a series of interconnected junction
boxes with a stainless steel faceplate. 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
• Time delay override
• Economizer light
• Frost control light
• Exhaust air dirty filter light
• Outdoor air dirty filter light
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
Economizer
PS2
PS3
Frost Control
Unit On/Off
NC
NC
NO C
NO C
Exhaust Dirty Filter
Supply Dirty Filter
Hot
L1
PS2
PS3