Mount the CA8900 Thermostat, Before You Connect Wires

CA8900 Z-Wave®Thermostat Installation Guide	5

4 – Mount the CA8900 Thermostat

1. Separate front from back of

unit. Grasp the thermostat Control unit [body]

and pry the body away from the base, lift up to remove the body from the base. Set aside the control unit.

2. Hold the base against the

wall, with the wires coming

through the opening below the terminal block.

5.If you are mounting the base to drywall or if you are using the old mount- ing holes, use the plastic anchors provided. Drill a 3/16-in. (4.8mm) hole for the insert at each screw location, and then mount the base.

Terminal

Block Hole in

wall

Thermostat Base

3.	Thread wires through the hole in the thermostat
	base. Take care not to “short” wires.
4.	Position the base for best appearance. Mark the
	holes in pencil for drilling or mount directly to the
	wall with the two screws provided.

6.Thread wires through the hole in the thermostat base.

7.Leave wires loose in the opening, take care that they do not “short.”

Before You Connect Wires

Please follow these guidelines for safe and secure wire connections.

•Use the Step-By-Step diagram as your guide.

• Strip 3/8” of the wire and form as shown

•Take care not to damage the labels for each wire in handling.

•Fan wires out as illustrated with CA8900 below the wall opening.

•Wires will dress behind the CA8900 and up over the terminal area.

•Do not bunch wires behind CA8900. Feed slack back into the wall opening.

•Connect labeled wires only to a terminal with cor- responding letter.

CAUTION: Do not allow wires to touch each other or parts on thermostat.

•Insert the wire in the terminal and tighten the screw securely.

•You will need to

set Configura-
tion Jumpers		4	5
per the Step-By-		4	5
per the Step-By-	1 2	3
Step diagram. A		3
Step diagram. A

J u m p e rs

Which wires do you have?

•Determine which step-by-step wiring diagram you should use from the next pages. Make sure your wires are labeled. This may require you to find the ‘other end’ connection for each wire on your heat- ing or air conditioning equipment and read the label there.

•You must have a wire marked “C” (24VAC) for the CA8900 to operate. Without the 24VAC power, the CA8900 will run on its back-up batteries for just a few days.

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