Installation and Operation Manual
●
Fan Coil Controller – EZstat
EC-EZstat
Date: 9-2014
Supersedes: NEW
Engineered Comfort reserves the right to change any information concerning product or specification without notice or obligation.
Page 10 of 36
Connecting to a modulating fan
The following diagram shows the connections for a modulating speed fan.
•
The fan start circuit must be a 24 VAC circuit. Connect it to the FAN‑ L output.
•
The speed control is a 0‑10 VDC analog output.
Fig. 4-5
Connections for a
modulating fan
COM
FAN-L
R
A08
Connecting to modulating valves
The following diagram shows the connections for a modulating mixing valves. The valve control signal is a 0‑10 V analog
output.
Fig. 4-6 Connections to
modulating heating &
cooling valves
COM
A06
A07
