18
A07218
Fig. 13
−
Cover on Equipment Control Module
14. Turn on power to equipment. On power up, all display segments will
light for 5 sec. For the next 5 sec a 2
−
digit code appears on large display
which identifies AC/HP Control configuration. Refer to Option 33.
a. AC — 1
−
stage air conditioner, AC, with furnace or fan coil
b. HP — 1
−
stage heat pump, HP only with fan coil
c. H
— heating only system, furnace only or fan coil with electric
heat only
d. C
— cooling only system, AC with fan coil
e. H2 — 2
−
stage heat pump with fan coil
f. A2 — 2
−
stage air conditioner with fan coil or furnace