Trane VAV-UCM 4.2, Инструкция по установке и обслуживанию, Страница: 80 / 88

80 VAV-SVX01C-EN
Troubleshooting
Figure 45. Wiring diagram for fan powered unit that is either cooling only, hot water, or field installed reheat
UCM or EI Board
D.D.C.\U.C.M.
OU
T
OU
T
OPTIONAL FACTORY INSTALLED
1/4" QUICK CONNECT REQUIRED FOR ALL FIELD CONNECTIONS.
OPTIONAL OR ALTERNATE WIRING
S TERMINAL NOT TO BE USED WITH VARITRANE.
ZONE SENSOR TERMINALS 1 (-) AND 2 (+) REQUIRE SHIELDED TWISTED PAIR WIRING FOR COMMUNICATIONS
AS SHIPPED, THE AUX INPUT IS CONFIGURED AS AN AUX TEMP INPUT. THE AUX INPUT CAN BE
THE OPTIONAL BINARY INPUT CONNECTS BETWEEN TB4-1 (BIP) AND 24VAC (HOT) FROM TRANSFORMER.
THE BINARY INPUT CAN BE RECONFIGURED AS AN OCCUPANCY INPUT VIA THE COMMUNICATIONS
RECONFIGURED AS A CO2 SENSOR INPUT VIA THE COMMUNICATIONS INTERFACE.
NO ADDITIONAL WIRING REQUIRED FOR NIGHT SETBACK OVERRIDE (ON/CANCEL).
7.
6.
5.
4.
INTERFACE.
NOTE:
3.
2.
1.
(TB1-2) GND
BK (RETURN)
OPTIONAL FIELD INSTALLED
OCCUPANCY SENSOR
FIELD WIRING
FACTORY WIRING
JACK EQUIPPED ZONE SENSOR OPTION.
Y
NOT CONNECTED
COMMUNICATIONS
TWISTED PAIR
GR (NC CONTACT)
O (COMMON)
R (HOT)
5.
WIRING
SHIELDED
IN IN
(TB1-1) 24VAC
(TB4-1) BIP
(TB1-1) 24VAC
CONTROL BOX
GND
24V
MO
U
NT
E
D
OUT
CO2 SENSOR
OPTIONAL FIELD INSTALLED
WA
LL
OPTIONAL
AUX TEMP SENSOR
6.
CO2
SENSOR
TB3-6 TB3-5
WIRELESS
6.
MO
UNT
E
D
DU
CT
(TB3-5) A/CO2
(TB3-6) GND
(TB1-1) 24V
V
+
0
CONTROL BOARD
D.D.C.\U.C.M.
TB
2
-4
TB
2
-2
TB
2
-1
TB
2
-3
SWITCH
+ - +
T
B
2-
5
TB
2
-6
- +
YEL
-
ADDRESS
J1
1
J1
0
J9 J7 J8
J1
ACT
1
Y
TRANSDUCER
PRESSURE
J3
A/CO2
TB
3
-5
T
B
3-
1
TB
3
-2
T
B
3-
3
GRN
ZONE SET GND
TB
3
-6
GND
1
PR
ES
S
S
7.
BK
R
G
GND
TB
1
-2
T
B4-
1
BIP
T
B
1-
1
24V
24 VAC
R-FAN
BR
VOUT
-
+
BL
FAN CONTROL
BOX WIRING
DAMPER
OP
E
N
HO
T
H
OT
C
LO
S
E
ACTUATOR
WIRING
FACTORY
INSTALLED
WIRELESS
24VAC
OPTIONAL
TB
1
-2
TB
1-
1
24V GND
BL
Y
Y
BL
DIGITAL DISPLAY ZONE SENSOR
DIGITAL DISPLAY ZONE SENSOR
OPTIONAL FIELD INSTALLED
8.
W/ COMM. JACK
REMOTE MTD.
4.
TB1-2
TB1-1
11
TB3-3
10 7 6
TB2-6
TB2-5
3 2 1
TB3-2
TB3-1
ZONE SENSOR
OPTIONAL FIELD
W/ COMM. JACK
INSTALLED ZONE SENSOR
REMOTE MTD.
3. 4.
TB3-1
TB3-2 TB2-5
1(-) 2(+)
TB2-6
3 2
TB3-3
1
ZONE SENSOR TERMINALS 6 AND 7 REQUIRE SHIELDED TWISTED PAIR WIRING FOR COMMUNICATIONS
JACK EQUIPPED ZONE SENSOR OPTION. 8.
12VA MAX
0N-OFF WATER VALVE
OPTIONAL FIELD INSTALLED
TO J8
TO J9
TO J8
MAX/COIL
ELECTRIC HEATER
OPTIONAL FIELD INSTALLED
ON - OFF
WATER VALVE
24 VAC
HEATER STAGE
CONTACTOR(S)
TO J10
1ST STG.
2ND STG.
TO J9
HOT
24VAC, 12VA
WATER
BK (CLOSE)
TO J10
R (OPEN)
PROPORTIONAL WATER VALVE
OPTIONAL FIELD INSTALLED
12VA MAX
VALVE
24VAC
TO J9
PROP.
W (HOT)
TO J8
MORTELLES.
DEL CONDENSADOR.
EL NO REALIZAR LO ANTERIORMENTE
INDICADO, PODRÃ A OCASIONAR LA MUERTE
O SERIAS LESIONES PERSONALES.
DESCARGADO EL VOLTAJE ALMACENADO.
DESCONECTE TODA LA ENERGà A ELÉCTRICA,
iVOLTAJE PELIGROSO!
LOS CAPACITORES DEL MOTOR HAYAN
INCLUSO LAS DESCONEXIONES REMOTAS Y
SIGA LOS PROCEDIMIENTOS DE CIERRE Y
ETIQUETADO ANTES DE PROCEDER AL
SERVICIO. ASEGÚRESE DE QUE TODOS
COUPER TOUTES LES TENSIONS ET
PUIS SUIVRE LES PROCÉDURES DE
COMPORTANT DES ENTRAÎNEMENTS À
FAILURE TO DO THE ABOVE COULD RESULT
SPEED DRIVE, REFER TO DRIVE
TENSION DANGEREUSE!
DÉCHARGER LES CONDENSATEURS.
BLESSURES GRAVES POUVANT ÊTRE
PRÉCAUTION PEUT ENTRAÎNER DES
OUVRIR LES SECTIONNEURS À DISTANCE,
VERROUILLAGE ET DES ÉTIQUETTES AVANT
TOUTE INTERVENTION. VÉRIFIER QUE TOUS
LES CONDENSATEURS DES MOTEURS SONT
DÉCHARGÉS. DANS LE CAS D'UNITÉS
VITESSE VARIABLE, SE REPORTER AUX
INSTRUCTIONS DE L'ENTRAÃŽNEMENT POUR
IN DEATH OR SERIOUS INJURY.
INSTRUCTIONS FOR CAPACITOR DISCHARGE.
NE PAS RESPECTER CES MESURES DE
ADVERTENCIA
AVERTISSEMENT
DE VELOCIDAD VARIABLE, CONSULTE LAS
INSTRUCCIONES PARA LA DESCARGA
PARA LAS UNIDADES CON TRANSMISIÓN
FOLLOW LOCK OUT AND TAG PROCEDURES
HAZARDOUS VOLTAGE!
DISCONNECT ALL ELECTRIC POWER
INCLUDING REMOTE DISCONNECTS AND
STORED VOLTAGE. UNITS WITH VARIABLE
MOTOR CAPACITORS HAVE DISCHARGED
BEFORE SERVICING. INSURE THAT ALL
WARNING