Specifications

44
Table 19 — Configuration Display Menu (cont)
*Size default value is dependent on the size of the unit.
SUBMODE
KEYPAD
ENTRY
ITEM DISPLAY
UNITS FACTORY DEFAULT
RANGE
ENGLISH
ITEM EXPANSION COMMENTS CCN TABLE
CCN POINT
NAME
English Metric VAV CV
ECON
ECON Economizer Configurations Economizer and Exhaust configurations
EC.EQ TEXT — — YES YES NO/YES Economizer Installed?
Used to enable and disable the use of an economizer
UNIT ECON_ENA
E.CGO X — — DIFF. DB. DIFF. DB.
0=DRYBULB,
1=DIFF.DB,
2 = OA ENTHALPY,
3 = DIFF ENTHALPY
Econ Changeover Select
Used to select the type of economizer changeover control
ECONDIAG ECON_SEL
E.CTL X — —
DIG/POSITION
(do not change)
DIG/POSITION
(do not change)
1 = DIG/POSITION,
2 = DIG/COMMAND,
3 = ANALOG CTRL
Economizer Control Type
Used to configure the 4-20 ma output from the ECB1 board where 1 = DIG/POSITION (digital con- trol but sends actual position out 4-20ma output), 2 = DIG/COMMAND (digital control but sends com- manded position out 4-2o ma output), 3 = ANALOG CTRL (direct control 4-20 ma signal)
UNIT ECON_CTL
MIN.P XXX % % 20 20 0-100% Economizer Min Position
design occupancy minimum economizer ventilation damper position
BLDGPRES,
ECONWORK
SET_PNT,
AIRQUALT,
ECONMIN
ECONOMIN
OAT.L XXX.X F C 60 60 55 TO 120 High OAT Lockout Temp
lockout economizer free cooling above this ambient. Note applies even when Enthalpy or Dewpoint con- trol being used
ECONWORK,
ECONDIAG
OAT_LOCK
OA.EC X — — CURVE B CURVE B
1 = A CURVE, 2 = B CURVE,
3 = C CURVE, 4 = D CURVE,
5 = CUSTOM CURVE
A, B, C, D Curve Select
Economizer changeover curve for enthalpy using A to D curves and a custom curve based on enthalpy and drybulb
ECONWORK,
ECONDIAG
OAEC_SEL
OA.DL XXX.X F C 55 55 50.0 TO 62.0 OA Dewpoint Temp Limit
Above this dewpoint value the economizer is locked out. Used with any changeover control when an out- door air humidity sensor is present
ECONWORK,
ECONDIAG
OADEWCFG
OEN.C XXX.X Btu/lb kcal/kg 27 27 18.0 TO 28.0 Outdr.Enth Compare Valve
Above this value economizer locked out. Only used with custom curve changeover
ECONWORK,
ECONDIAG
OAEN_CFG
UFC.C X — — 0 0
0 = DISABLED,
1 = UNOCCUPIED,
2 = PREOCCUPANCY
Unocc Free Cool Config Used to configure unoccupied free cooling CONFIG UEFC_CFG
UFC.T XXX MIN MIN 120 120 0 TO 720 Unocc. Free Cool Time time before occupied to start free cooling CONFIG UEFCTIME
TRM.E TEXT — — Enabled Enabled ENBL/DSBL Enable Economizer Trim
Will allow the economizer to be modulated closed when compressors are on to provide better econo- mizer control and less compressor cycling
UNIT ECTRMENA
EC.CB XX.X F C 2 2 0.5 TO 5.0 Economizer Temp Deadband
This is an EDT deadband where the economizer will not move when free cooling
ECONWORK ECONBAND
PWRX X — — none none
0 = NONE
1=2STAGE,
2 = MODULATING
Power Exhaust Type Used to select the type of power exhaust control BP_CNTL PWRX
PWRM X — — 4 4
1=4MOTORS,
2=6MOTORS
Power Exhaust Motors
Used to select the number of power exhaust fans. 4 on 020-060 units and 6 on 060 units
BP_CNTL PWRM
PE1.P XXX % % 35 35 0 TO 100 PE Stage 1 Econo Position damper position when exhaust stage 1 will turn on SET_PNT PE1_POS PE2.P XXX % % 75 75 0 TO 100 PE Stage 2 Econo Position damper position when exhaust stage 2 will turn on SET_PNT PE2_POS
ENTER