Trane RT-SVX19A-E4 Installation Operation & Maintenance page 48

48
Operation
Figure 22 - Minimum fresh air adjustment
POWER EXHAUST
POWER EXH WER EXH A US US T
CONTACTS
CON ON TACTS
MIXED AIR SENSOR
MIXED AIR SENSOR INPUT MIXED AIR SENSOR INPUT
INPUT COMMON
COMMO OMMO N
COMMO COMMON OMMO N
OHS INPUT OHS INPUT OHS INPUT
NOT USED- T USED- OAT I T I S
NOT USED-OAT IS
CONNECTED ONNECTED TO O RTR TR M
CONNECTED TO
RA INPUT
RA INPU A INPU T
COMMON
COMMO OMMO N
COMMO OMMO N
COMMON
RHS INPUT RHS INPUT
RHS INPUT
CO CO2 SENSOR INPU O2 SENSOR INPU SENSOR INPUT T
2
COMMO COMMON OMMO N
P
SHORTED=CLOSED
SHO RTED=C SHO TED=C LOSE OSE D
OPEN=ON CARD POT.
OPEN=ON B OPEN=ON B OARD P ARD P OT.
270 omega = 50%
270 omega = 50% 270 omega = 50%
REMOTE
REM REM OTE
MINIMUM
MINIMUM MINIMUM
POTENTIOMETER
POTENTIOMETE TENTIOMETE R
WHT
WHT WHT
RED
RED RED
BLUE
BLUE
1 = ECA board
+
2-10 VDC 2-10 VDC
2-10 VDC
+
1
EXF EXF
FEEDBACK FEED BACK FEED
2
-
INPUT
INPUT INPUT
1
2-10 VDC 2-10 VDC
MAT
2-10 VDC
+
2
CONT ONT ROL
CONTROL
-
OUTPUT OUTPUT OUTPUT
1 OAH AH/
2 OAE
1
OAT
2
MIN POS. MIN POS. MIN POS.
SETPOINT
SETPOINT SETPOINT
1
0-50%
0-50% 0-50%
RAT
2
GREEN GREEN
GREEN
ABCD ABCD
ABCD
LED LED
LED
SE SE TTING TING S
1 SETTINGS
RAH AH/
2
RAE
CO2 "PU O2 "PU RGE GE "
CO2 "PURGE"
SETPOINT SETPOINT
1 SETPOINT
DCV DCV
ADJUSTMENT ADJUS T MEN ADJUS MEN T
2
500-1500 PPM
500-1500 PPM 500-1500 PPM
-
P1 P1
MODBUS MOD BUS MOD
+
COMMON COMMO OMMO N
24VAC 24VAC 24
1
RT-SVX19A-E4