Lennox XP14 Elite Series Installation Instructions Manual page 7

24V power
common _ L
E
1st-stage FE
_L
indoor blower
Thermostat Indoor Unit Outdoor Unit
......... ©1
1st-stage
auxiliary heat (_ I
@1
OI
®1
@comp ....... GI
(SOME CONNECTIONS MAY NOT APPLY. REFER TO SPECIFIC
THERMOSTAT AND INDOOR UNIT.)
Figure 11. Outdoor Unit and Blower Unit Thermostat
Designations
Thermostat Indoor Unit Outdoor Unit
. 24V power 24V power
©c ........ 2®-..0 ........
', @ :'-:/- _ EMERGENCY
] I_) _
HEAT RELAY
(_. emergency heat i -- -- //_i OUTDOOR
THERMOSTAT
i
(_). 1st-stage
'
auxiliary heat .(_ // 1st-stage
auxiliary h_t-- (_
k@"
@
@
.
®
G
indoor blower
reversing valve
compressor
®
@
(SOME CONNECTIONS MAY NOT APPLY. REFER TO SPECIFIC
THERMOSTAT AND INDOOR UNIT.)
Figure 12. Outdoor Unit and Blower Unit Thermostat
Designations (with Emergency Heat Relay)
CI2
CAPAC l TOR
"34O
HRI
AIOB
DEFROST CONTROL
;01L
_MB
)IS
if--,
I_f
iv v
s_r
HI_
PRESSORE
SWITCH
Q
PRESSURE
SWITCH
©
AI08 I--
KI
Ig
Q-
@
RT21 RTI5
DEFROST AMBIENT
COIL SENSOR
SENSOR
FOR _ WITH COPPER CONDUCTORS
ORLY.RERERTO UNIT RATIN6
PLATE FOR ¥INIMII_I CII_IIT
A_PACITY ANOgAXINUff OVER-
CtI_NT RqOTECTION SIZE
,6_ REFER TO COMPRESSOR I N U_IT
OR DEATH.UNIT MI_T B_ OR(X/NOED IN
_ITH NATION_. AND LOCALCO_S,
m_ SENSOR, OmOOOR _ve (_m_L)
r- -- --
I F----
I
I
I
II
.IJ
,r=, C831 lily
x_2av
_3)"1
._&,?_-- [.--.__
®-I----
-@-I----
-@-I----
OUT
OPS
f2 OUT
;0M
fl OUT
-PS
KI
C_SSOR
CONTACTOR
LI
REVERSING
VAL_
®
A2 SIGNATURE
81MZ8
T_ISTED
D
-Jl'
-- --t-- d
--J
Figure 13. Typical XP14 Wiring
Page 7
XP14 SERIES