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Idiomas disponibles
Idiomas disponibles
EIM wiring guide — conventional systems
Typical wiring of a conventional system with up to 3-stage heat and 2-stage cool
with one transformer. (RedLINK FocusPRO up to two-stage heat and two-stage
cool.)
STATUS
CONNECT OPTIONAL
SENSORS TO
S3 AND S4 TERMINALS
2
1
See guides on following pages for thermostat wiring and geothermal radiant
heat wiring.
2
Wire a maximum of 4 sensors using the S1-S4 terminals. S1-S4 terminals can
be connected to an indoor sensor, outdoor sensor, discharge sensor, return
sensor, dry contact device to display an alert or an occupancy sensor for
remote setback. RedLINK FocusPRO should only use the return sensor to any
of the four sets of S terminals.
3
Remove jumper(s) if using separate transformers.
See Economizer wiring section.
4
5
Connect wireless adapter to ABCD for extended wireless range.
NOTE: See following pages for additional thermostat wiring guidelines for
heat pumps, geothermal systems and optional Economizer.
EIM
POWER
HEAT
COOL
FAN
LEDS
U1
U2
U3
A
B
5
C
D
S4
S4
S3
S3
TO THERMOSTAT
CONV
4
A
1
SENSORS
6
FURNACE
TRANSFORMER
R
24
120
C
VAC
VAC
HEAT STAGE 1
W
HEAT STAGE 2
W2
W3
HEAT STAGE 3
G
FAN
COMPRESSOR
Y
STAGE 1
COMPRESSOR
Y2
STAGE 2
3
JUMPERS
CONNECT OPTIONAL
SENSORS TO
S1 AND S2 TERMINALS
2
M34249
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