Lennox XP25-060-230-01 - Outdoor Control Terminal Designations and Input;Outputs

Page 27
XP25
TABLE 5
Outdoor Control Terminal Designations and Input /Outputs (see figure 16 for terminal locations)
Designator Description Input Output Common
O OUT Reversing valve switched output N/A
Switched 24VAC
nominal
N/A
O Reversing valve return N/A N/A 24VAC common
LO PS Low Pressure switch N/A 5ma @18VAC N/A
LO PS
Low Pressure switch sensing con
nection
5ma @18VAC N/A N/A
Hi PS High Pressure switch N/A 24VAC nominal N/A
Hi PS
High pressure switch sensing con
nection
24VAC nominal N/A N/A
TP
Top cap thermostat switch (in series
with the HI PS)
N/A 24VAC nominal N/A
TP
Top Cap thermostat switch sensing
connection
24VAC nominal N/A N/A
Cntctr
Control (Inverter power) contactor
switched output (in series with the HI
PS and TC)
N/A
Switched 24VAC
Nominal
N/A
Cntctr Contactor common N/A 24VAC common
Fan PWM PWM fan output N/A
1097% duty cycle,
1923 VDC peak
N/A
COM PWM Fan common connection N/A N/A Fan PWM common
Fan Park
PWM Fan Parking spot for unused
terminal, not connected.
N/A N/A N/A
P2 Terminals
O O (reversing valve) emergency input
24VAC nominal from
thermostat and loaded to
draw 17ma at 30VAC
N/A N/A
Y1 Y1 emergency input
24VAC nominal from
thermostat and loaded to
draw 17ma at 30VAC
N/A N/A
C 24VAC nominal power return. N/A N/A 24VAC common
i Low data line. Data Data N/A
i+ High data line. Data Data N/A
R 24VAC nominal power input.
24VAC nominal board
main power input.
N/A N/A
DF Factory test N/A N/A N/A
TOUT
26Vdc transistor output to Lennox
factory OEM tester
N/A N/A N/A
TST
Factory test pin.
In each terminal box:
P2  Terminal 1  TEST
P2  Terminal 2  TOUT
P2  Terminal 3  DF
P2  Terminal 4  R
24VAC nominal 17ma @
30VAC
N/A N/A