VAV-SVX01C-EN
79
Troubleshooting
Wiring Diagrams
Figure 44. Wiring diagram for single duct unit that is either cooling only, hot water, or field installed reheat
(WITHOUT HEAT)
6.
SENSOR
OUT
OPTIONAL FIELD INSTALLED
CO2 SENSOR
ADDRESS
O (COMMON)
SHIELDED TWISTED PAIR
BK (RETURN)
OPTIONAL FIELD INSTALLED
GR (NC CONTACT)
OCCUPANCY SENSOR
COMMUNICATIONS WIRING
ZONE SENSOR TERMINALS 6 AND 7 REQUIRE SHIELDED TWISTED PAIR
WIRING FOR COMMUNICATIONS JACK EQUIPPED ZONE SENSOR OPTION.
ZONE SENSOR TERMINALS 1 (-) AND 2 (+) REQUIRE SHIELDED TWISTED PAIR
1/4" QUICK CONNECT REQUIRED FOR ALL FIELD CONNECTIONS.
OPTIONAL OR ALTERNATE WIRING
FIELD WIRING
FACTORY WIRING
SUPPLY IS GROUNDED, THEN GROUND LEG MUST BE CONNECTED TO TB1-2.
TRANSFORMER WIRE COLORS: 120V - W, 208V - R, 240V - O, 277V - BR, 480V - R/BK
THE OPTIONAL BINARY INPUT CONNECTS BETWEEN TB4-1 (BIP) AND 24VAC (HOT) FROM
NO ADDITIONAL WIRING REQUIRED FOR NIGHT SETBACK OVERRIDE (ON/CANCEL).
AS SHIPPED, THE AUX INPUT IS CONFIGURED AS AN AUX TEMP INPUT. THE AUX INPUT CAN BE
TRANSFORMER. THE BINARY INPUT CAN BE RECONFIGURED AS AN OCCUPANCY INPUT VIA THE
IF UNIT MOUNTED TRANFORMER IS NOT PROVIDED, POLARITY FROM UNIT TO UNIT MUST BE
OPTIONAL FUSE, DISCONNECT SWITCH & TRANSFORMER WIRING. WIRINGS GOES THRU TO
MAINTAINED TO PREVENT PERMANENT DAMAGE TO CONTROL BOARD. IF ONE LEG OF 24VAC
RECONFIGURED AS A CO2 SENSOR INPUT VIA THE COMMUNICATIONS INTERFACE.
WIRING FOR OPTIONAL USE OF COMMUNICATIONS JACK.
11.
10.
9.
COMMUNICATIONS INTERFACE.
NEXT COMPONENT WHEN OPTIONS ARE NOT CHOSEN/
S TERMINAL NOT TO BE USED WITH VARITRANE.
8.
6.
7.
5.
NOTE:
3.
4.
2.
1.
Y
5.
AUX TEMP SENSOR
WIRELESS
OPTIONAL FACTORY INSTALLED
OPTIONAL
TB3-5
(TB1-2) GND
NOT CONNECTED
(TB4-1) BIP
(TB1-1) 24VAC
(TB1-1) 24VAC
R (HOT)
IN
OU
T
IN
OU
T
TB3-6
CONTROL BOX
6.
D.D.C.\U.C.M.
HO
T
CL
OS
E
O
P
E
N
HO
T
GND
TB
3
-3
TB
4-
1
BIP
ACT
TB
2-
5
TB
2-
2
TB
2-
1
TB
2-
3
TB
2-
4
+
-
+
-
SWITCH
CONTROL BOARD
D.D.C.\U.C.M.
YEL
TB
3
-2
ZONE
TB
3-
1
GRN
-
TB
2
-6
+
J9
J7
J8
1
J1
PRESSURE
7.
S
G
BK
R
CO2
TRANSDUCER
+
VOUT
-
TB
3-
6
A/CO2
TB
3
-5
SET
GND
P
RE
S
S
GND
24V
1
J3
TB
1-
2
TB
1-
1
WIRING
DAMPER
ACTUATOR
J10
J11
(TB3-5) A/CO2
V
0
INSTALLED ZONE SENSOR
(TB3-6) GND
(TB1-1) 24V
MO
UN
T
E
D
DU
CT
MO
U
NTE
D
WA
L
L
24V
GND
+
2(+)
OPTIONAL FIELD
REMOTE MTD.
W/ COMM. JACK
ZONE SENSOR
4.
3.
2
3
1(-)
1
TB3-3
DIGITAL DISPLAY ZONE SENSOR
OPTIONAL FIELD INSTALLED
DIGITAL DISPLAY ZONE SENSOR
TB2-5
TB2-6
REMOTE MTD.
W/ COMM. JACK
TB3-1
TB3-2
4.
11.
1
2
3
10
11
7
6
TB3-1
OPTIONAL
FACTORY
INSTALLED
WIRELESS
UCM or EI Board
TB3-2
TB2-6
TB1-1
TB1-2
TB3-3
TB2-5
24VAC
24VAC 60HZ
NEC CLASS-2
LOAD= 12VA
CONTROL CIRCUIT
8.
GND
24V
BL
TB
1-
1
TB
1-
2
Y
Y
BL
WATER VALVE
TO J9
OPTIONAL FIELD INSTALLED
0N-OFF WATER VALVE
TO J8
24 VAC
12VA MAX
ON - OFF
CONTACTOR(S)
MAX/COIL
24VAC, 12VA
HEATER STAGE
OPTIONAL FIELD INSTALLED
ELECTRIC HEATER
OPTIONAL FIELD INSTALLED
PROPORTIONAL WATER VALVE
R (OPEN)
TO J10
W (HOT)
BK (CLOSE)
TO J8
TO J9
2ND STG.
1ST STG.
TO J9
TO J8
TO J10
HOT
12VA MAX
24VAC
PROP.
WATER
VALVE
BK
UCM or EI Board
or
Y
or
(
W)
OPTIONAL POWER
TRANSFORMER
(50VA)
B
L
FUSE, DISCONNECT
& TRANSFORMER
OPTIONAL
(B
K)
SCREW
BL
24V
TB
1-
1
TB
1
-2
GND
Y
FUSE
DISCONNECT
OPTIONAL
SWITCH
BK
OPTIONAL
GREEN
GROUND
575V -R, 190V - R, 220V - R, 347V - R.
WARNING
BEFORE SERVICING. INSURE THAT ALL
MOTOR CAPACITORS HAVE DISCHARGED
STORED VOLTAGE. UNITS WITH VARIABLE
INCLUDING REMOTE DISCONNECTS AND
DISCONNECT ALL ELECTRIC POWER
HAZARDOUS VOLTAGE!
FOLLOW LOCK OUT AND TAG PROCEDURES
PARA LAS UNIDADES CON TRANSMISIÓN
INSTRUCCIONES PARA LA DESCARGA
DE VELOCIDAD VARIABLE, CONSULTE LAS
AVERTISSEMENT
ADVERTENCIA
NE PAS RESPECTER CES MESURES DE
INSTRUCTIONS FOR CAPACITOR DISCHARGE.
IN DEATH OR SERIOUS INJURY.
INSTRUCTIONS DE L'ENTRAÃŽNEMENT POUR
VITESSE VARIABLE, SE REPORTER AUX
DÉCHARGÉS. DANS LE CAS D'UNITÉS
LES CONDENSATEURS DES MOTEURS SONT
TOUTE INTERVENTION. VÉRIFIER QUE TOUS
VERROUILLAGE ET DES ÉTIQUETTES AVANT
OUVRIR LES SECTIONNEURS À DISTANCE,
PRÉCAUTION PEUT ENTRAÎNER DES
BLESSURES GRAVES POUVANT ÊTRE
DÉCHARGER LES CONDENSATEURS.
TENSION DANGEREUSE!
SPEED DRIVE, REFER TO DRIVE
FAILURE TO DO THE ABOVE COULD RESULT
COMPORTANT DES ENTRAÎNEMENTS À
PUIS SUIVRE LES PROCÉDURES DE
COUPER TOUTES LES TENSIONS ET
SERVICIO. ASEGÚRESE DE QUE TODOS
ETIQUETADO ANTES DE PROCEDER AL
SIGA LOS PROCEDIMIENTOS DE CIERRE Y
INCLUSO LAS DESCONEXIONES REMOTAS Y
LOS CAPACITORES DEL MOTOR HAYAN
iVOLTAJE PELIGROSO!
DESCONECTE TODA LA ENERGà A ELÉCTRICA,
DESCARGADO EL VOLTAJE ALMACENADO.
O SERIAS LESIONES PERSONALES.
INDICADO, PODRÃ A OCASIONAR LA MUERTE
EL NO REALIZAR LO ANTERIORMENTE
DEL CONDENSADOR.
MORTELLES.
Содержание VAV-UCM 4.2
Страница 1: ...May 2010 VAV SVX01C EN Installation Operation Maintenance VAV UCM 4 2...
Страница 81: ...VAV SVX01C EN 81 Troubleshooting Figure 46 Single duct with single phase voltage electric heat...
Страница 82: ...82 VAV SVX01C EN Troubleshooting Figure 47 Single duct with three phase voltage electric heat...
Страница 83: ...VAV SVX01C EN 83 Troubleshooting Figure 48 SCR PSC fan powered with single phase voltage electric heat...
Страница 84: ...84 VAV SVX01C EN Troubleshooting Figure 49 SCR PSC fan powered with three phase voltage electric heat...
Страница 85: ...VAV SVX01C EN 85 Troubleshooting Figure 50 ECM fan powered with single phase voltage electric heat...
Страница 86: ...86 VAV SVX01C EN Troubleshooting Figure 51 ECM fan powered with three phase voltage electric heat...