Display Configuration; Remote Control Switch Input - Carrier WeatherMaker 48A2020 Controls, Start-Up, Operation, Service And Troubleshooting Instructions

Remote Switch — Off (RMI.L)
The remote switch is set for normally open when off. If a field-
supplied control switch is used that is normally closed for an
off signal, change this variable to closed.
Economizer Switch — No (ECS.L)
The economizer switch is set for normally open when low. If a
field-supplied economizer switch is used that is normally
closed when low, change this variable to closed.
Fan Status Switch — Off (SFS.L)
The fan status switch input is set for normally open for off. If a
field-supplied fan status switch is used that is normally closed,
change this variable to closed.
Demand Limit Switch 1 — Off (DL1.L)
The demand limit switch no. 1 input is set for normally open
for off. If a field-supplied demand limit switch is used that is
normally closed, change this variable to closed.
Demand Limit Switch 2/Dehumidify — Off (DL2.L)
The demand limit switch no. 2 input is set for normally open
for off. If a field-supplied demand limit switch is used that is
normally closed, change this variable to closed.
IAQ Discrete Input — Low (IAQ.L)
The IAQ discrete input is set for normally open when low. If a
field-supplied IAQ discrete input is used that is normally
closed, change this variable to closed.
Fire Shutdown — Off (FSD.L)
The fire shutdown input is set for normally open when off. If a
field-supplied fire shutdown input is used that is normally
closed, change this variable to closed.
Pressurization Switch — Off (PRS.L)
The pressurization input is set for normally open when off. If a
field-supplied pressurization input is used that is normally
closed, change this variable to closed.
ITEM
SAT.T Air Temp Lvg SF Trim
RAT.T RAT Trim
OAT.T OAT Trim
SPT.T SPT Trim
CTA.T Cir A Sat.Cond.Temp Trim
CTB.T Cir B Sat.Cond.Temp Trim
SP.A.T Suct.Press.Circ.A Trim
SP.B.T Suct.Press.Circ.B Trim
DP.A.T Dis.Press.Circ.A Trim
DP.B.T Dis.Press.Circ.B Trim
ITEM
SW.LG SWITCH LOGIC: NO / NC
FTS.L Filter Status Inpt-Clean
IGC.L IGC Feedback - Off
RMI.L RemSw Off-Unoc-Strt-NoOv
ECS.L Economizer Switch - No
SFS.L Fan Status Sw. - Off
DL1.L Dmd.Lmt.Sw.1 - Off
DL2.L Dmd.Lmt.2 Dehumid - Off
IAQ.L IAQ Disc.Input - Low
FSD.L Fire Shutdown - Off
PRS.L Pressurization Sw. - Off
EVC.L Evacuation Sw. - Off
PRG.L Smoke Purge Sw. - Off
Table 72 — Sensor Trim Configuration
EXPANSION
Table 73 — Switch Logic Configuration
EXPANSION
Evacuation Switch — Off (EVC.L)
The evacuation input is set for normally open when off. If a
field-supplied evacuation input is used that is normally closed,
change this variable to closed.
Smoke Purge — Off (PRG.L)
The smoke purge input is set for normally open when off. If a
field-supplied smoke purge input is used that is normally
closed, change this variable to closed.

Display Configuration

The DISP submenu is used to configure the local display set-
tings. A list is shown in Table 74.
Test Display LEDs (TEST)
This is used to test the operation of the ComfortLink display.
Metric Display (METR)
This variable is used to change the display from English units
to Metric units.
Language Selection (LANG)
This variable is used to change the language of the Com-
fortLink display. At this time, only English is available.
Password Enable (PAS.E)
This variable enables or disables the use of a password. The
password is used to restrict use of the control to change config-
urations.
Service Password (PASS)
This variable is the 4-digit numeric password that is required if
enabled.

Remote Control Switch Input

The remote switch input is located on the ECB-1 board and
connected to TB6 terminals 1 and 3. The switch can be used
for several remote control functions. See Table 75.
Remote Input State (Inputs
This is the actual real time state of the remote input.
RANGE UNITS
-10 to 10 ^F
-10 to 10 ^F
-10 to 10 ^F
-10 to 10 ^F
-30 to 30 ^F
-30 to 30 ^F
-50 to 50 PSIG
-50 to 50 PSIG
-50 to 50 PSIG
-50 to 50 PSIG
RANGE
Open/Close FLTSLOGC
Open/Close GASFANLG
Open/Close RMTINLOG
Open/Close ECOSWLOG
Open/Close SFSLOGIC
Open/Close DMD_SW1L
Open/Close DMD_SW2L
Open/Close IAQINLOG
Open/Close FSDLOGIC
Open/Close PRESLOGC
Open/Close EVACLOGC
Open/Close PURGLOGC
80
 
GEN.I REMT)
POINT DEFAULT
SAT_TRIM 0
RAT_TRIM 0
OAT_TRIM 0
SPT_TRIM 0
SCTATRIM 0
SCTBTRIM 0
SPA_TRIM 0
SPB_TRIM 0
DPA_TRIM 0
DPB_TRIM 0
CCN POINT DEFAULT
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open