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Evaporator
anti fllrnace
condensate
drain
piping
may
be manilolded
together
as shown
in Figure
45. A primary
drain
vent
stack
must
be installed
anti terminated
below
the
outlet
of the secondary
heat
exchanger
drain
connection
to prevent
water
from
damaging
filrnace
controls
if the primary
drain
outlet
plugs
up.
Where
the
filrnace
is installed
above
a finished
ceiling,
the primary
drain
vent
stack
must
be installed
such
that
overflow
from
the vent
stack
opening
will flow into an auxiliary
drain
pan
in order
to prevent
water
damage
to the finished
ceiling
below.
@
If upflow furnace is installed
i i
over a finished ceiling, overflow i i
from the primary drain vent
i
stack must flow into an auxiliary
i
drain pan to prevent damage to
the finished
ceiling below,
i
Primary drain vent stack
must terminate
below
_'_
"i
secondary
heat exchanger
i
condensate
drain outlet,
i
To drain opening
\%
FIELD WIRING
DIAGRAM
FOR 1 STAGE
FURNACE
1 STAGE
HEATING
USING
A 1 STAGE
HEATING
THERMOSTAT
NO COOLING
T 'STAT
--
SEE
NOTE 7
L
[]
SEE
]
NOTE 6
N
R COM:0NEN
Wq/N(
2 4
',/.
_.
E
)
----I
NE
',1.
/
"A,'
N'S
24
V.
\
:A."
DRY
--
I
NE
',/._
Y'iiR
_NG
J
FURNACE
-4q
[]
[]
[]
[]
[]
I',OTES
?
3
4
5
BE
SURE
POT/EN ,'%I'EES
Wili
EOU
P'4EN
N/s!,/PLi, TE',S}
IO/7
,/O Ti_CE
24V
Wlk
N
i
IO
B
NO
,8
AW(
_,tlk
GRO ND
_,;G O
O[)
P!,I{I\T
_qST
CO_,'PlT
W TI
OCAI
CODES
SET
THLi<VOSTAT
iEAT
ANTIC
PA
OR PR
UNT
_'¢ R NG DIAGRAM
H SE
ADS
PNOV
}E
5
V
POWER ON
CONNF(I
ON O
E[E(IRON
C
C
AN
_ AND
HUMID
IE
qAX
lOAD
0
£_,/PS ACH
i!lS
CO_'_N:CI
ON S
ON Y USeD
',O:<
I Rvos
AiS
REQU P
NG
CON'_ECi
10N
10
il
24
V
P0Wl
> SiP _ Y
((0V_,ION)
S [
[_
_';1',i_,(£ COV'i
(I
0N
D A(ilisYS
0
P!0P[R
CON_,iC
0NS
WE',,
JSIk¢i
TI
S FLATURE
From drawing
B341437
Rv 1
OUTDOORUNIT
(NO TRANSFOR ER)
FIELD WIRING DIAGRAM FOR 1 STAGE FURNACE
1 STAGE HEATING, 1 STAGE COOLING
USING A 1 STAGE HEATING, 1 STAGE COOLING THERMOSTAT
(OUTDOOR SECTION WITHOUT TRANSFORMER)
T'STAT
D
SEE
NOTE 6
SEE
NOTE 8
FURNACE
N
1
NOTES
:
I. BE
SURE
POWER
AGF1EES
WIIH
EQU
_MEN
NAMEPLAIE(SI
2.
LOW
VOLTAG
124
V.
WIRING}
TO
BE
NO.
8
A.W.S,
M1N.
3.
GROUNDING
OF
EQUIPMENT
MUST
COMPLY
WTH
LOCAL
CODES.
4.
SET
THERMOSTAT
HEAT
ANTICIPATOR
PER
UNit
WIRING
DIAGRAM.
5,
THESE
LEADS
PROV
DE
IS
V.
POWER
FOR
CONNECFION
OF
ELECFRON
C
AIR
CLEANER
AND
HUMIDIFIER
MAX.
LOAD
I0
AMRS
EACH.
6.
THE
"Y"
TERMINAL
FROM
THE
THERMOSTAT
MUST
BE
WRED
TO
THE
'_Y"
FERMINAL
()l
r{E:
F:URNAC:
C(}NfRD[
FOR
PROPER
BI
OWER
(}PERAflON
DURING
COOLING.
7.
iGNITION
CONTROL
IS
POLARITY
SENSITIVE.
HOT
LEG
OF
20
VOLT
ROWER
SUPPLY
MUST
BE
CONNECTED
TO
THE
BLACK
LINE
POWER
LEAD
AS
]ND
CATED
ON
filE
WIRING
DIAGRAM
OR
IGNITION
LOCKOUT
WILL
OCCUR.
8.
INS
CONNECTION
IS
0NIY
USEb
FOR
[NERMOS/AFS
REQUIR
NG
CON ECT
OK
IO
IHF
24
V
POWER
SUPPLY.
(COMNO)
,ll
IN';
EI:<
COMPON
N I
,"_'Jl::< N('_
..... i
'd .
_..
i/?,i]R
i
O
--
--
Ix
, /
3d
'7,
'k _, A
O:_Y
--
L
N E
,'_,"" ",,,,",," R ]
(}
IH
TO 115V
1PH.,
60 HZ., POWER
SUPPLY
PER
LOCAL
CODES
I N
HUM SEE
NOTE
5
EACSEE
[
WH
___
NOTE5
1
BK
From drawing B340388 Rv 2
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