York IDM030B21E Series, Service Manual

Page: 124 / 144

5-36
SM-16005-rev.2
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
(120) Ambient Temperature Restriction Setpoint Compensation (for Auxiliary Heater Setting) (q5)
This function is utilized to change the outdoor ambient temperature condition to change operation from
auxiliary heater only to Thermo-ON with auxiliary heater.
This function is invalid when the function of "Auxiliary Heater Setting" is invalid.
Setting Condition Actual Control Temperature
00 (Standard) (q4) + 4
o
F (2.5
o
C)
01 (q4) + 5
o
F (3.0
o
C)
02 (q4) + 6
o
F (3.5
o
C)
03 (q4) + 1
o
F (0.5
o
C)
04 (q4) + 2
o
F (1.0
o
C)
05 (q4) + 3
o
F (1.5
o
C)
06 (q4) + 3
o
F (2.0
o
C)
(121) Not Prepared (q6)
(122) Not Prepared (q7)
(123) Not Prepared (q8)
(124) Not Prepared (q9)
(125) Not Prepared (qA)
(126) Not Prepared (qb)
(127) Not Prepared (qC)
(128) Not Prepared (qd)
(129) Dual Setpoint (for Automatic COOL/HEAT Operation) (r1)
This function is utilized to activate/deactivate dual setpoint of cooling and heating in automatic cooling
and heating operation.
This function is invalid when the function of "Automatic COOL/HEAT Operation" is invalid.
NOTES:
● This function is not available for all fresh mode and gas sensor mode.
● Depending on the operation range the compressor may stop and this unit switches to fan mode
during heating or cooling operation.
● Function (36) "Damper Minimum Opening (d7)" should be set to "00" for this function. Higher step
may increase the load and affect the air outlet temperature of other standard indoor units.
(130) Cooling/Heating Changeover Temperature (for Automatic COOL/HEAT Operation) (r2)
This function is utilized to change the indoor temperature condition to Thermo-ON/OFF.
This function is invalid when the function of "Dual Setpoint" is invalid.
In case dual setpoint is selected in automatic heating/cooling operation, during auto mode both cooling
setpoint and heating setpoint can be selected.
By default, temperature when the heating/cooling mode changes are as follows.
Cooling mode changes to heating mode when the indoor temperature is heating setpoint -2
o
F (-1
o
C).
Heating mode changes to cooling mode when the indoor temperature is cooling se2
o
F (+1
o
C).
Setting Condition Actual Control Temperature
00 (Standard) 2
o
F (1.0
o
C)
01 3
o
F (1.5
o
C)
02 3
o
F (2.0
o
C)
03 4
o
F (2.5
o
C)
04 5
o
F (3.0
o
C)
05 1 o F (0.5 o C)
NOTE:
Be sure to use only the "00" setting condition when combining this "q5" function with a water source
unit.