Iii. System Operation And Service; Outdoor Control − Part Number 101796−Xx; Heat Pump Control (A175) Jumpers And Terminals - Lennox Signature XP21 Series Installation And Service Procedure

Heat Pump Control (A175) Jumpers and Terminals

HEAT PUMP CONTROL
TABLE 10 ON PAGE 32 PROVIDES ADDITIONAL INFORMATION
CONCERNING JUMPERS, LINKS, AND CONNECTIONS FOR THE HEAT PUMP
CONTROL.
E37
COMPRESSOR SHIFT DELAY
NOTE ON OUTDOOR CONTROL
PART NUMBERS 101796−04
LATER FAN CYCLING IS ON WHEN
JUMPER IS SET TO 0 SECOND DELAY.
FOR MORE INFORMATION ON THE
FAN CYCLING FEATURE SEE PAGE 62.
30
SECOND DELAY
(FACTORY
DEFAULT)
30
0
SECOND DELAY*
0
E34
Y2 SOLENOID COIL
(SEE TABLE 10 FOR
FURTHER DETAILS)
E48
SECOND−STAGE
LOCK−IN TEMPERATURE
NOTE SETTING IS ONLY
AVAILABLE ON OUTDOOR
CONTROL PART NUMBERS
101796−01 THROUGH −03
55
DEGREE
TARGET
50
DEGREE
TARGET
45
DEGREE
TARGET
*40
DEGREE
TARGET
(FACTORY
DEFAULT)
JUMPER
NO
INSTALLED
2ND STAGE
LOCK−IN
DISABLED
Figure 19. Heat Pump Control Connections, Jumper Settings and LED Locations

III. SYSTEM OPERATION AND SERVICE

OUTDOOR CONTROL − PART NUMBER 101796−XX
TWO STAGE
AND
DS11 and DS14
LED ALERT CODES
COMMUNICATING
STATUS INDICATOR
CUT FOR HUMIDITROL APPLICATION W1
(TWO−STAGE UNITS ONLY)
Page 31
THE OUTDOOR CONTROL
PART NUMBER IDENTIFICATION
IS LOCATED HERE.
E33
USED FOR CONFIGURING
CONTROL OR CLEARING
LOCKOUTS (SEE FIGURE
25 FOR DESCRIPTION OF
VARIOUS FUNCTIONS)
DS13 and DS15
LED ALERT CODES
E47
DEFROST TERMINATION TEMPERATUR
100
DEGREE
TARGET
90
DEGREE
TARGET
OR WHEN
JUMPER
NOT
INSTALLED
70
DEGREE
TARGET
50
DEGREE
TARGET
(FACTORY
DEFAULT)
DS12
INDICATES RS−BUS DATA
COMMUNICATION IS ACTIVE.
(COMMUNICATION MODE
ONLY)
XP21