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 7 of 36
4 INSTALLATION
This section provides important instructions and guidelines for installing the EZstat. Carefully review this information before
installing the controllers.
Installing the sensors includes the following topics that are covered in this section:
•
Mounting the EZstat
•
Connecting inputs
•
Connecting outputs
•
Connecting power
•
Maintenance
4.1 Mounting the EZstat
For the most accurate performance, install the EZstat on an inside wall where it can sense the average room temperature.
Avoid locations with direct sunlight, heat sources, windows, air vents, and air circulation or obstructions such as curtains,
furniture, etc.
The EZstat must not be:
•
Mounted on an exterior wall.
•
Mounted on or near an object with a large thermal mass such as a concrete block wall.
•
Blocked from normal air circulation by obstructions.
•
Exposed to heat sources such as lights, computers, copiers, or coffee makers, or to direct sunlight at any time of the
day.
•
Exposed to drafts from windows, diffusers, or returns.
•
Exposed to air flow through connecting conduits or empty spaces behind walls.
Rough-in preparation
Complete rough‑in wiring at each location before mounting an EZstat. This includes the following steps
•
Install the supplied mounting base directly to a wall, a vertical electrical box, or a box with a wall plate kit.
•
Routing the connecting cable or cables from the EZstat to the equipment it is controlling.
•
If required, install an appropriate wall plate kit.
•
Block leaks and airflow from conduits with plumber’s putty or similar material.
•
If replacing an existing thermostat, label existing wires for reference when removing the existing thermostat.
Installing the EZstat
To install the controller on a mounting base, do the following:
1.
Turn the Allen screw in the base of the sensor clockwise until it clears the case.
2.
Swing the EZstat away from the mounting base to remove it.
3.
Route wiring for the EZstat through the mounting base.
4.
Position the base with the embossed UP toward the ceiling and fasten it directly to a vertical 2 x 4 inch electrical box.
5.
Connect the wires for the EZstat to the terminals in the mounting base.
6.
Place the top of the sensor over the top of the mounting base and swing it down over the Allen screw bracket. Be
careful not to pinch any wiring.
Turn Clockwise to
remove from base
