Unit installation

March 2008 Application Note 1008

P a g e | 2

1. All MXZ indoor units must be powered from the outdoor unit.

(Indoor unit cannot be powered from a separate source)

2. MXZ outdoor unit is powered 208/230 VAC in a two-conductor wire with ground.

3. Each indoor unit is powered from the outdoor unit from a terminal block marked to

indoor unit.

4. Connect the indoor unit to the outdoor unit on terminals S1, S2, S3 and ground. Use

copper conductors only.

5. A three-pole disconnect switch may be used for shut off or service between the

indoor and outdoor unit. The 3 pole switch part # TAZ-MS303 is shown in Figure 1.

Remark: * A disconnect switch may be required. Check the local code.

** Use a ring tongue terminal in order to connect a ground wire to terminal.

Figure 1. MXZ-4A36NA Wiring

Due to continuing improvement, above specification may be subject to change without notice.

2013 P-Series and M-Series - Application Notes (June 2013)

APP-19