Carrier A07049 Installation Instructions Manual page 19

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, HP
b. HP — 1- -stage heat pump, HP only
c. H — heating only system, AC, HP
d. C — cooling only system, AC, HP
Single- - Piece Installation
The following steps should be followed for the installation of the single- -piece
configuration.
1. Remove cover from Equipment Control Module by pressing the two tabs
on the bottom edge and pulling away. Route wires through large hole in
Equipment Control Module. Level Equipment Control Module against
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A07218