Section 17 - Retrofit and Upgrades
193 Honeywell Economizers 63-8594-02
Replacement of W7210Axxx with W7220A1000 (JADE
TM
)
Step by step guide to assist you in successful replacement of the W7210 economizer with a
W7220 JADE
TM
economizer controller:
1. Remove all wires from the W7210. Mark each wire with the terminal designation (e.g.,
1,2,3,4, TR1, TR etc.) as it is removed from the W7210.
2. Mount JADE
TM
on the inside of the Rooftop unit where it will be easy to read the display and
to change the settings.
3. Wire JADE
TM
to the existing M7215 motor using three new wires and ¼ in quick connects on
motor end of wires:
4. Terminate wires removed from the W7210 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)
W7210 wire termination W7220 wire termination
1 Y1-In
2 Y1-Out
3 Y2-In
4 Y2-Out
5 NA
TR R
TR1 C
P-P1 NA
T-T1 MAT*
So-So+ OAT or S-Bus*
Sr-Sr+ S-Bus*
+ ACT (2-10V)
- ACT COM
24 VAC HOT ACT 24V
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