Installation guide
THERMIDISTAT
TWO-STAGE TWO-SPEED
THERMIDISTAT
TWO-STAGE
TWO-SPEED
FURNACE
AIR
CONDITIONER
FURNACE
HEAT
PUMP
HEAT
STAGE
2
{NOTE
47
_ |
RVS
COOLING
[om]
ee
L
COOL
STAGE
14
je---------4
HEAT
STAGE
4
qoccrsrsrr
HEAT/COOL
STAGE
1
[YA
NOTE
72
(COMPRESSOR
LO)
COOL
STAGE
2
J_-NMIE
Te |
HEAT
STAGE
3
(FURNACE)
FAN
j_----------]
HEAT/COOL
STAGE
2
{COMPRESSOR
HI)
24
VAC
HOT
[
R
}
weed
FAN
peHUMIDIFY
[DHUM|
|_.-----____|
24vacHoTT
Rh
24
VAC
COMM
fo
DEHUMIDIFY
24
VAC
COMM
1
~s se
[|
HUM
Swooeeee
5
/\
/\
‘ f
4 '
HUMIDIFY
fo
HUMIDIFIER
:
(24
VAC)
HUMIDIEY
[HOI
[>
proworer]
4
!
~
notre
(24
VAC)
NIA
[8
|
oO
c\
mm
wal
8
|
%
OUTDOOR
[\ [\
in
OUTDOOR
qocccccte
SENSOR
Ber
OUTDOOR
7
OUTDOOR
SENSOR
'
SENSOR
!
SENSOR
:
CONNECTION
j__----------------------------!
‘
CONNECTION
|
See
notes
2, 5, 8,
10,44
and
12
on
the
page
following
these
figures
See
notes
1,
2,3, 4,6, 8,9,
10,12,
13
and
15
on the
page
following
these
figures
A03179 A03178
Fig.
28
-
Two-Stage
Furnace
with
Two-Speed
Air
Condi-
Fig.
30
-
Two-Stage
Furnace
with
Two-Speed
Heat
Pump
tioner
(Dual
Fuel)
THERMIDISTAT
TWO-STAGE
SINGLE-SPEED
DUAL
FUEL
TWO-STAGE
SINGLE-SPEED
FURNACE
HEAT
PUMP
THERMOSTAT
FURNACE
HEAT
PUMP
RVS
COOLING
RVS
COOLING
|
O/W2
|
J_--__---_---_--------------------
op
NOTE
11
HEAT
STAGE
3
[Yiw2L].-NOTE
4!
|
HEAT
STAGE
3
PURNACE
HI
(FURNACE
HI)
i
\
HEAT
STAGE
2
HEAT
STAGE
2
[WAW1|4_----------
.
{FURNACE
LO)
(FURNACE
LO)
[\
HEAT/COOL
STAGE
1
HEAT/COOL
STAGE
1
qi_---------J
-
(COMPRESSOR)
{COMPRESSOR)
FAN
FAN
fs
}
woeaea----4
24
VAC HOT
[Rh
24
VAC
HOT
[®
}y
woa--------4
og
DEHUMIDIFY
[DHUM
[\
24
VAC
COMM
zavaccomM[”
Cc
L4__---------4-[Com
L--[----------
-
N/A
[|
HUM
RVS
SENSING
HUMIDIFY
[
HUM}
OUTDOOR
NIA
SENSOR
CONNECTION
OUTDOOR
SENSOR
See
notes
Lei
4,4
ree
1S.
and
16
CONNECTION
CH
on
the page
following
these
figures
See
notes
1,
2,4,
6,
7,9,
10, 11,
and
15
on
the
page
following
these
figures
A08180
A08181
Fig.
29
-
Two-Stage
Furnace
with
Single-Speed
Heat
Pump
Fig.
31
-
Dual-Fuel
Thermostat
with
Two-Stage
Furnace
(Dual
Fuel)
and
Single-Speed
Heat
Pump
bo
a