
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
Connecngtoamodulangfan
The following diagram shows the connecons for a modulang 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
Conneconsfora
modulangfan
COM
FAN-L
R
A08
Connecngtomodulangvalves
The following diagram shows the connecons for a modulang mixing valves. The valve control signal is a 0‑10 V analog
output.
Fig.4-6Conneconsto
modulangheang&
cooling valves
COM
A06
A07
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