Page 31
XP21
III. SYSTEM OPERATION AND SERVICE
OUTDOOR CONTROL − PART NUMBER 101796−XX
Heat Pump Control (A175) Jumpers and Terminals
55
50
DEGREE
TARGET
45
DEGREE
TARGET
*40
DEGREE
TARGET
55
50
45
40
55
50
45
40
55
50
45
40
55
50
45
40
DEGREE
TARGET
100
90
DEGREE
TARGET
70
DEGREE
TARGET
50
DEGREE
TARGET
100
90
70
50
DEGREE
TARGET
DEFROST TERMINATION TEMPERATU
100
90
70
50
100
90
70
50
100
90
70
50
30
0
30
SECOND DELAY
SECOND DELAY*
0
LED ALERT CODES
LED ALERT CODES
INDICATES RS−BUS DATA
COMMUNICATION IS ACTIVE.
(COMMUNICATION MODE
ONLY)
COMMUNICATING
STATUS INDICATOR
TABLE 10 ON PAGE 32 PROVIDES ADDITIONAL INFORMATION
CONCERNING JUMPERS, LINKS, AND CONNECTIONS FOR THE HEAT PUMP
CONTROL.
E37
E47
DS12
E48
E34
DS11 and DS14
DS13 and DS15
CUT FOR HUMIDITROL APPLICATION
(TWO−STAGE UNITS ONLY)
W1
JUMPER
NO
INSTALLED
E33
USED FOR CONFIGURING
CONTROL OR CLEARING
LOCKOUTS (SEE FIGURE
25 FOR DESCRIPTION OF
VARIOUS FUNCTIONS)
HEAT PUMP CONTROL TWO STAGE
NOTE SETTING IS ONLY
AVAILABLE ON OUTDOOR
CONTROL PART NUMBERS
101796−01 THROUGH −03
COMPRESSOR SHIFT DELAY
THE OUTDOOR CONTROL
PART NUMBER IDENTIFICATION
IS LOCATED HERE.
NOTE ON OUTDOOR CONTROL
PART NUMBERS 101796−04 AND
LATER FAN CYCLING IS ON WHEN
JUMPER IS SET TO 0 SECOND DELAY.
FOR MORE INFORMATION ON THE
FAN CYCLING FEATURE SEE PAGE 62.
SECOND−STAGE
LOCK−IN TEMPERATURE
2ND STAGE
LOCK−IN
DISABLED
55
50
45
40
(FACTORY
DEFAULT)
(FACTORY
DEFAULT)
(FACTORY
DEFAULT)
100
90
70
50
OR WHEN
JUMPER
NOT
INSTALLED
Y2 SOLENOID COIL
(SEE TABLE 10 FOR
FURTHER DETAILS)
Figure 19. Heat Pump Control Connections, Jumper Settings and LED Locations
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