Section 17 - Retrofit and Upgrades
63-8594-02 Honeywell Economizers 188
Replacement of W7459Axxx and M7415Axxx with
W7220A1000 (JADE
TM
) and M7215A1008
Step by step guide to assist you in successful replacement of the W7459 economizer and M7415
black motor with a W7220 JADE
TM
economizer controller and M7215 black motor:
1. Remove all wires from the W7459. Mark each wire with the terminal designation (e.g.,
1,2,3,4, TR1, TR etc.) as it is removed from the W7459.
2. Remove the M7415 and using the same mounting holes mount the M7215 motor in it’s
place.
3. Mount JADE
TM
on the inside of the Rooftop unit where it will be easy to read the display and
to change the settings.
4. Wire JADE
TM
to M7215 using three new wires and 1/4-in. quick connects on motor end of
wires:
5. Terminate wires removed from the W7459 to the JADE
TM
:
* Sensor to be changed
M7215 wire termination W7220 Wire termination
TR ACT 24V (hot)
TR1 ACT COM
IN (+) ACT (2-10V)
W7459 wire termination W7220 wire termination
1Y1-In
2Y1-Out
3Y2-In
4Y2-Out
5NA
TR R
TR1 C
NOCC
P-P1 NA
T-T1 MAT*
So-So+ OAT or S-Bus*
Sr-Sr+ S-Bus*