
17
12. Match and connect equipment wires to proper terminals of each connector
block being careful not to over tighten the screws. Correct polarity must
be observed when connecting the two wires from the Equipment Control
Module to the thermostat mounting base. If wires are connected incorrect-
ly, the Display Module will not operate. See Fig. 6, 7 and 8.
13. Snap cover over top of Equipment Control Module. See Fig. 12.
A07218
Fig. 12 -- 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
b. HP — 1--stage heat pump
c. A2 — 2--stage air conditioner
d. H2 — 2--stage heat pump
e. hh — Hybrid Heat system with 1-- stage heat pump
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