Page 12 of 16 / IM 1171-3
Optional Technician Adjustments
Note:
If P1 is changed, then P4 and P5 must be changed to
set desired setpoint values.
P2
Temperature Offset
(Factory set to zero).
• “UP” to increase offset up to +2.
• “DOWN” to decrease offset down to -2.
P3
Humidity Offset
(Factory set to zero).
• “UP” to increase offset up to +5
• “DOWN” to decrease offset down to -5.
P4
Setpoint Low Range
(Factory set to 55°F or 13°C
depending on J50 °F/°C setting).
P1 in S1 Mode:
Adjustment range 55 to 65°F or 13 to
18°C.
• “UP” to increase the low setpoint range up to 65°F
or 18°C.
• “DOWN” to decrease the low setpoint range down
to 55°F or 13°C.
P1 in S2 Mode:
Adjustment range -3 to -5°F or -1.6
to -2.8°C.
• “UP” to increase the low setpoint range by -3°F or
-1.6°C.
• “DOWN” to decrease the low setpoint range by -5°F
or -2.8°C.
P5
Setpoint High Range
(Factory set to 95°F or 35°C
depending on J50-°F/°C setting).
P1 in S1 Mode:
Adjustment range 85 to 95°F or 29 to
35°C.
• “UP” to increase the high setpoint range up to 95°F
or 35°C.
• “DOWN” to decrease the high setpoint range down
to 85°F or 29°C.
P1 in S2 Mode:
Adjustment range 3 to 5°F or 1.6 to
2.8°C.
• UP” to increase the high setpoint range by 5°F or
2.8°C.
• “DOWN” to decrease the high setpoint range by 3°F
or 1.6°C.
P6 Fan Lock Mode
(Factory set to Unlocked “UnL”)
• “UP/DOWN” to set Fan Lock mode. Choose from
list below:
All Models
UnL Enables fan to be controlled by the
Sensor Fan button
All Models
FA Locks fan to the Fan Auto position
(No Sensor Fan button control)
WSHP Models FO Locks fan to the Fan On position
(No Sensor Fan button control)
FCU Models FH Locks fan to the Fan High speed
position (No Sensor Fan button
control)
FCU Models Fd Locks fan to the Fan Medium speed
position (No Sensor Fan button control)
FCU Models FL Locks fan to the Fan Low speed
position (No Sensor Fan button control)
FCU Models Fo Locks fan to the Fan Off position
(No Sensor Fan button control)
P7
System Lock Mode
(Factory set to Unlocked “UnL”)
• “UP/DOWN” to set System Lock mode. Choose
from list below:
UnL
Enables System to be controlled by the Sensor
System Mode button.
UH
Locks System to the Heat mode (No Sensor
System button control).
UC
Locks System to the Cool mode (No Sensor
System button control).
UA
Locks System to the Auto mode (No Sensor
System button control).
UO
Locks System to the Off mode (No Sensor Sys
-
tem button control).
UD
Locks System to the Dhum mode (No Sensor
System button control).
P8
Display Resolution (Factory set to ±0.5 resolution, “0.5”).
0.1
“UP/DOWN” to set resolution to ±0.1, (Rounds up
at .05).
0.5
“UP/DOWN” to set resolution to ±0.5, (Rounds up
at .08).
1
“UP/DOWN” to set resolution to ±1.0, (Rounds up at .5).
P9
Dehumidification Dead band (DB)
(Factory set to
2%), (WSHP Only).
2
“UP/DOWN” to set Dead band at 2% (On at setpoint
SP, Off at SP-DB).
3
“UP/DOWN” to set Dead band at 3% (On at setpoint
SP, Off at SP-DB).
4
“UP/DOWN” to set Dead band at 4% (On at setpoint
SP, Off at SP-DB).
5
“UP/DOWN” to set Dead band at 5% (On at setpoint
SP, Off at SP-DB).
P10
Display Mode
(Factory set to #16 for WSHP units,
factory set to #4 for FCU Units).
• “UP/DOWN” to set display mode.
• Choose from numbered list below. Choices 5-16 will
not be shown if P12 = nOH.
1 = No value on the main display (Blank).
2 = Temperature Value (TV).
3 = Temperature Setpoint (TSP).
4 = Temperature Value & Temperature Setpoint (FCU
Default).
5 = Humidity Value (HV).
6 = Temperature Value & Humidity Value.
7 = Humidity Value & Temperature Setpoint.
8 = Temperature Value, Temp Setpoint & Humidity
Value.