Carrier 48LC - Page 33

33
Table 6 -- Menu Structure
a
(cont)
Menu Parameter
Parameter
Default
Value
Parameter
Range and Increment
b
EXPANDED PARAMETER NAME
Notes
SYSTEM
SETUP
INSTALL 01/01/10 Display order = MM/DD/YY
Setting order = DD, MM, then YY.
UNITS D EG _F _For_C Sets economizer controller in degrees Fahrenheit or Celsius.
EQUIPMENT CONV Conventional or HP CON V = co nv e nt ional;
HP O/B = Enable Heat Pump mode. Not available wi th 2---speed
SeeMenuNote4
AUX2 I W W required for 2 ---speed
mode
W = Informs controller that system is in heating mode.
SD = Enab le s configuration of shut d o w n (not available on 2---Speed)
SeeMenuNote4
FAN TYPE 2speed 2speed required Sets the economizer controller for operati on of 1 sp eed or 2 speed indoor
fan s ys te m.
SeeMenuNote4.
FAN CFM 5000cfm 100 to 15000 cfm;
increment by 100
UNI T DESIG N AIRFL O W (CFM)
Enter ON LY of using DCVCAL ENA = AUTO
The value is found in the Projec t Submi ttal docum ent s for the spe c ific RTU.
AUX OUT NONE NONE
EXH2
SYS
Select OUTPUT for AUX1 O relay
NONE = not configured (output is not used)
EXH2 = second damper position relay closure for second
exhaust f an
SYS = use output as an alarm signal
OCC INPUT INPUT or ALW AYS OCCUP IED MO DE B Y EXTERNAL SIG N AL
When using a setback thermostat wi t h occ upancy out (24 Vac ), the 24 Vac
is inp ut to the O C C terminal. R TU cont ro l ci rc uit p rov ides 24---Va c to OCC
through OCCUPIED terminals on Integrated Staging Control. Board
SeeMenuNote2.
FACTORY DEFAULT NO NO or YES Resets all set points to factory defaults when set to YES. LCD will briefly
flas h YES and change to N O but all parame t e rs wi ll change to the facto ry
de fault values . RECHECK AUX 2 I and FANT Y P E for requ i r ed 2---speed
values.
ADV AN CED
SETUP
MA LO SET 45_F
(7_C)
35 to 55_F;
(2 to 12_C)
Incremented by 1_
SUPPL Y AIR TEMPERATURE LOW LIMIT
Temperat ure to achiev e Freeze Protect i on (close damper and alarm if
tem p e rature falls below setup value)
FREEZE POS CLO CLO or MIN FREEZE PROTECTION DAMPER POSITION
Damper pos it ion when freeze protecti on is active
CLO = closed
MIN = MIN POS or VENTMAX
CO2 ZERO 0ppm 0 to 500 ppm:
Increment by 10
CO
2
ppm level to match CO
2
Sensor start level.
CO2 SPAN 2000ppm 1000 to 3000 ppm;
Increment by 50
CO
2
ppm span to match CO
2
sensor .
STG3 DLY 2.0h 0 min, 5 min, 15 min,
then 15 min intervals.
Up to 4 h or OFF
COOLING STAGE 3 DELA Y
Delay afte r st age 2 for cool has been act ive. Turns on 2
nd
stag e of cooling
when economizer is 1
st
stag e and mechanic al cooling is 2
nd
SD DMPR POS CLO CLO or OPN Function NOT A VAI LABLE with 2 ---speed mode
DCVCAL ENA MAN MAN (manual) Turns on the DCV automatic cont ro l of the damp er s . Res e t s ventilati o n.
MATTCAL 0.0_ F
(or C)
+ / --- 2 . 5 _F
( + / --- 1 . 4 _C)
SUPPL Y AIR TEMPERATURE CALIBRATION
Allows for the operator to adjust for an out of calibrat ion supply air
tem p e ra t ure (SAT) senso r
OA T CAL 1.0_F
(or C)
+ / --- 2 . 5 _F
( + / --- 1 . 4 _C)
OUTSIDE AIR TEMPERATURE CALIBRATION
Allows for the operator to adjust for an out of calibrati on outsid e air
tem p e ra t ure (O AT) sens or
OA H CAL 0% RH + / --- 1 0 % R H OURTSIDE AIR HUMIDITY CALIBRATION
Allows for the operator to adjust for an out of outsid e air enthalpy sensor
RA T CAL 2.0_F
(or C)
+ / --- 2 . 5 _F
( + / --- 1 . 4 _C)
RETURN AIR TEMPERATURE CALIBRATION
Allows for the operator to adjust for an out of calib rati on return air
temperature (RA) sensor
RA H CAL 0% RH + / --- 1 0 % R H RETURN AIR HUMIDITY CALIBRATION
Allows for the operat or to adjus t for an out of calib rati on return air enthalpy
sensor
DA T CAL 0.0_F
(or C)
+ / --- 2 . 5 _F
( + / --- 1 . 4 _C)
DISCHARGEAIRTEMPERATURECALIBRATION
Allows for the operator to adjust for an out of calib rati on dis charg e air
tem p e ra t ure (DA T) sensor
2SP FAN DELAY 5 Minutes 0to20minutesin
1 minute increments
TIM E DELAY O N 2
nd
STAG E ECONOMI ZI NG
While in the Economizing mode, this is the delay between thermostat Y2
call and Y1---O outp ut to mechanical cooli ng sta g e , to allow high sp e ed fan
operati on to attemp t to cool spac e first.
48HC48LC