Carrier 39L Air Conditioner User Manual


 
Used to read or change factory configuration
of heating coil. See Example 10.
Example 10 Configuration of Heating Coil
KEYBOARD
ENTRY
DISPLAY
RESPONSE
COMMENTS
HEATCOIL
Heat coil field configuration
subfunction of service function
MPG 8.0 Master proportional gain
MPG N Master proportional gain value is
changed to N, where N = new value
within the allowable range
MIG 0.3 Scroll past master integral gain
MDG 0.0 Master derivative gain
MDG 0.0 Master derivative gain value
remains 0.0 (old value is still
displayed). N value is not within
the allowable range
SMG −7.5 Submaster gain
SCV 50% Submaster center value
FOV 40 Fan off value
SMR N
Display of submaster reference
value
SMR X
The submaster reference value
has been forced
SMR N
The submaster reference value
force has been removed
NOTE: The subfunctions to configure the cooling coil , inlet
guide vanes , mixed air damper , and electric
heaters , are performed in the same manner as
Example 10.
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Used to read or change factory configuration of
cooling (chilled water coil or direct expansion).
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Used to read or change configuration of direct
expansion cooling options.
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Used to read or change factory configuration of
inlet guide vanes.
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Used to read or change configuration of
mixed air dampers.
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Used to read or change configuration of elec-
tric heater.
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Used to read or change factory configura-
tion of Nighttime Free Cooling (NTFC) option.
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Used to read or change configuration of
night purge option.
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Used to read or change configuration of
constant outside air option and outside air velocity pressure
sensor.
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Used to read or change configuration of in-
door-air quality option and AQ1 sensor.
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Used to read or change configuration of in-
door-air quality option and AQ2 sensor.
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Used to read or change factory configura-
tion of Adaptive Optimal Start/Stop.
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Used to read or change factory configura-
tion of space temperature reset. See Example 11.
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Used to read or change loadshed group
and number. See Example 12.
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Example 11 Configuration of Space
Temperature Reset
KEYBOARD
ENTRY
DISPLAY
RESPONSE
COMMENTS
SPCRESET Space temperature reset field
configuration subfunction of
service function
RTIO 3 Reset ratio set at 3
RTIO N Ratio changed to N, where
N = new value within the
allowable range
LIMT 10 Reset limit set at 10
LIMT N Reset limit changed to N,
where N = new value between
0 and 20
Example 12 Configuration of Loadshed
KEYBOARD
ENTRY
DISPLAY
RESPONSE
COMMENTS
LOADSHED Loadshed field configuration
subfunction of service function
LSGP 1 Loadshed group 1
LSGP 2 Loadshed group changed to 2
85