Network Address And Commissioning - Lennox VPA048H4 Installation & Operation Instructions

Outdoor unit
(PQE)
Ground cable shield
DO NOT connect to E
P Q
Install a terminating resistor at the last indoor unit (terminals P and Q) of the daisy chain.
All shields of shielded cable connect to GROUND terminal, not to E.
18 GA., stranded, 3-conductor, shielded control wire (polarity sensitive).

Network Address and Commissioning

After the system has been installed, the outdoor unit
will automatically assign addresses to all connected
indoor units. These addresses may be modifi ed
using an optional remote control as part of the
commissioning procedure.
Refrigerant piping
Branch box
Typical Wiring Diagram, NEC/CEC and Local Codes apply.
Figure 29. Typical Communication Wiring
NOTE - Branch box does not require
power or communication wiring
Branch box
Refrigerant
piping
DIP switch 1 on SW-4 on the outdoor unit main
control is factory-set to ON.
27
Branch box