Multi-Unit Residential HRV/ERV
25
CAUTION:
Turn off power to avoid risk of malfunction.
To connect the Digital Multifunction Control to the HRV/ERV, follow these diagrams:
Back of face plate – simplified
Set the ON/OFF switches to correspond to your HRV/ERV model, as listed in the following table:
With recirculation and
with-
out
free cooling
Models: H/E80-HR, H/E130-
HR(G), E130-HRX
Without recirculation
Models: H/E80-HF, E130-HF
With recirculation and
with
free cooling
Models: E80-HRG, E80-HRX
Connect each wire to the terminal board on the back of the controller face plate according to the
connection chart shown on the mounting plate. Then connect the 4-conductor wire to the terminal
board on the HRV/ERV according to the respective colors. The control operates at 24V.
The following table shows which operating modes are available for the different ON/OFF settings:
NOT USED
Air exchange system, green
Air exchange system, red
Air exchange system, COM
Air exchange system, 24 VAC
2
ON OFF
1
2
ON OFF
1
2
ON OFF
1
2
ON OFF
1
Dip switches