Trane CA8900 manual O W2 W Y, W2 W Y R H G

CA8900 Z-Wave®Thermostat Installation Guide

8

4Wire Heat Pump w/o Aux +C

WIRES:

CB or

From

Furnace

C B O

O Y RH G

4 Wire Heat Pump w/o Aux Heat +C

Y RH G

1.Connect O wire to the O terminal or B wire to the B terminal on the CA8900. (If you have both O and B, connect O wire to O terminal

DO NOT connect B to B terminal. (See page 10 Trane for the B wire terminal.) This connects the change-over valve.

2.	Connect the Y wire to Y on the CA8900. This connects the Com-
	pressor.
3.	Connect the R (or RH) wire to RH on the CA8900. This connects
	to the 24vac power.

	HEAT PUMP SYSTEM
C	OorB Y RH G
or

C B O W2 W Y	RH RC G A
CA8900 Terminals

5 Wire WIRES:

Heat	C B or O W2 Y R H G
	From				5 Wire
Pump
	Furnace				Heat Pump
w/ Aux							w/ Aux Heat
Heat +C									+C
	C	B	O	W2		Y	RH		G
			or
			HEAT PUMP SYSTEM
OPTIONAL POWER		C	OorB		W2		Y	R	G
or
C B O W2 W Y				RH RC G A
CA8900 Terminals
2 Stage		WIRES:
		C W2 W Y R H G
Heat and		Furnace				1 stage Cool
1 Stage		From
						2 stage Heat
Cool +C									+C
		C	W2	W	Y			RH G
				HVAC SYSTEM
	C	W2	W	Y			RH		G

OPTIONAL

POWER

C B O W2 W Y RH RC G A

CA8900 Terminals

4.	Connect the G wire to the G terminal on the CA8900. This con-
	nects the Fan.
5.	Connect the C wire to the C terminal on the CA8900. This con-

nects 24vac power. 1 2 3 4 5

6. Set Config jumpers as shown.

Your system is now connected. Continue on page 9.

1.Connect O wire to the O terminal or B wire to the B terminal on the CA8900. If you have both O and B, connect O wire to O terminal.

DO NOT connect B to B terminal. See page 10 Trane for B wire terminal.

2.Connect the W2 wire to W2 on the CA8900.

3.Connect the Y wire to Y on the CA8900.

4.Connect the R wire to RH on the CA8900.

5.Connect the G wire to G on the CA8900.

6.Connect the C wire to the C terminal on the CA8900. This con- nects 24vac power.

7.	Set Config jumpers as shown. 1	2 3 4 5
8.	Set jumper 5 if you have Gas
	or Oil aux heat.

Your system is now connected. Continue on page 9.

1.Connect the W wire to the W terminal and W2 to W2 on the CA8900. This connects 2 stages of heat.

2.Connect the Y wire to the Y terminal wire on the CA8900. This connects cool.

3.Connect the RH or R wire to the RH terminal on the thermostat. This connects the Heater/Cool Power.

4.Connect the G wire to the G terminal on the Thermostat. This connects to the Fan.

5.Connect the C wire to the C terminal on the CA8900. This con- nects 24vac power

6. Set Config jumpers as shown.		1	2	3 4 5
-- If you have Electric heat, set 1A. A
-- If you have Gas or Oil, set 1B.	B

Your system is now connected. Continue on page 9.

Providing a brighter solution.™