Honeywell RTH9590 User Manual page 17

Installing your thermostat
Wiring (Heat Pump System continued)
c In the image on the right, check the
box next to each connection. You will
use this checklist in Step 9.
d Verify wire is firmly secured by gently
pulling on wire.
e Repeat steps a–d for all other wires.
Note:
If the old Heat Pump thermostat had
separate wires on Aux and E, connect the
Aux and E wires and one end of a new
piece of wire using a wire nut (not
included). Then slide the other end of the
new wire into the W2-Aux/E terminal.
f Push any excess wire back into the
wall opening after all wires are installed.
g Continue to page 20.
Important!
Check the box for each wire
you connect. You will need
this information in Step 9.
Labels don't match?
See alternate wiring keys
on pages 18-19.
15