Install Instructions

9
Tech.Doc - 03/21 - Subject to change. © Belimo Aircontrols (USA), Inc.
ECON-ZIP-EM
ZIP Economizer™ Energy Module
Wiring Diagrams
ECON-ZIP-EM
CO
2
Sensor
Remote Potentiometer
AC 24 V
Power
2...10 V
Signal
EFCLSF
EFC
Indoor Fan Low
Speed Relay /
VFD Enable
Power Exhaust
Fan Relay
1
1 Power Source should be same as ECON-ZIP-BASE
Purge Contact
Thermostat
24Vac
2
2
Not Supplied by Belimo
2
3
Sold Separately by Belimo
3
4
If the RTU has a 2 speed fan (IF wired), then W1 on
the ECON-ZIP-BASE needs to be wired as well, since
the fan shall not run in part load when heating.
1 Common
2 +
3 + Y
4 +
SGA24 SGF24
AC 24 V
Power
0...10 V
Signal
1 Common
2 +
3 + Y
4 -
CO
2
Sensor
2
AC 24 V
Sensor