Instruction manual

A07218

Fig. 14 -- 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