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 Thermidistat Control configuration. Refer to Option 33.
a.AC — 1−stage air conditioner with furnace or fan coil
b.HP — 1−stage heat pump with fan coil
c.A2 — 2−stage air conditioner with furnace or fan coil
d.H2 — 2−stage heat pump with fan coil
e.hh — Hybrid Heat system with 1−stage heat pump
f.h2 — Hybrid Heat system with 2−stage heat pump
g.H — heating only system
h.C — cooling only system
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