Covers all your thermostats needs, Represented by, Order code – Viconics T550 User Manual
Page 2: Wiring, Application examples

ORDER CODE
T500
-
AB
-
CD
-
EF
-
GH
( without day-night mode )
T550
-
AB
-
CD
-
EF
-
GH
( with day-night mode )
A
Output no. 1 ( controlled device )
Type
0
Not installed
5
"SSR" with 3-32 Vdc input
Pulsed 0/5 Vdc
6
0 to 10 Vdc actuator, voltage relay or "SCR" *
0 to 10 Vdc
7
0 to 10 Vdc high cooling signal for Vdc relay
Higher signal
B
Output no. 2 ( controlled device )
Type
0
Not installed
1
Relay, thermal relay, two position motor
Isolated Triac
2
Normally open thermal valve
Isolated Triac
3
Normally close thermal valve
Isolated Triac
4
"SSR" with 24 Vac input
Isolated Triac
5
"SSR" with 3-32 Vdc input
Pulsed 0/5 Vdc
C
Output no. 1 and 2 control mode
1
Heating, reverse acting, ( RA )
∗ Standard
2
Cooling, direct acting, ( DA )
3
Heating, RA ( no. 1 ) and cooling, DA ( no. 2 )
4
Cooling, DA ( no. 1 ) and heating, RA ( no. 2 )
D
Main control sensor location
1
Room, inside thermostat, or ( duct return air**)
∗ Standard
2
Duct supply air **
** Order with S60 or S70 sensor
E
Setpoint adjustment
1
User adjustable
∗ Standard
2
Blind cover
F
Scale
1
10
°C to 32 °C
∗ Standard
2
50
°F to 90 °F
G
Output no. 3
Damper changeover input
1
Normally cooling, ( DA )
Common dry contact for all thermostats
2
Normally heating, ( RA )
Common dry contact for all thermostats
3
Automatic
Duct supply sensor **
4
Automatic
with recirculation
Duct supply sensor **
** Order with S60 or S70 sensor
H
Maximum running time of tri-state floating actuator
1
1 minute
2
2 minutes
...
etc.
9
9 minutes
Example: T550 - 75 - 41 - 12 - 12
One higher signal cooling output and one "SSR" 3-32 volts heating output.
Main sensor located inside the room. Setpoint adjustable by user.
Scale 50
°F to 90 °F. The output no. 3 is a damper with
a travel time of 2 minutes used in cooling mode.
Note: Order remote sensor separately.
WIRING
For complete technical information on wiring, commissioning and
servicing, please refer to the T500 / T550 service manual.
APPLICATION EXAMPLES
COVERS ALL YOUR THERMOSTATS NEEDS...
To more complicated...
To sophisticated applications !
From simple...
T550-01-11-22-32
1 STAGE ELECTRIC DUCT HEATER
T550-00-11-12-12
24 VAC
Pressure dependent VAV
Tri-state floating actuator
TRI-STATE FLOATING ACTUATOR
DAY-NIGHT
24 VAC
Hydronic heating and cooling
Day-night mode
N.O. THERMAL VALVE
1 stage on-off electric duct heater
Hydronic supply changeover sensor
Blind cover
ELECTRIC DUCT HEATER
WITH 0 TO 10 Vdc SCR
Hydronic perimeter heating
Modulating duct heater, SCR 0 to 10 Vdc
S90
SENSOR
2 MINUTES MAX. RUNNING TIME
Day-night mode
DAY-NIGHT
T500-62-11-11-35
24 VAC
Pressure dependent VAV c/w changeover
Tri-state floating actuator
TRI-STATE FLOATING ACTUATOR
5 MINUTES MAX. RUNNING TIME
S60
SENSOR
TRI-STATE FLOATING ACTUATOR
2 MINUTES MAX. RUNNING TIME
Tri-state floating actuator
Represented by:
Viconics Electronics Inc. 9245, Langelier Blvd, St-Leonard, Quebec, Canada H1P 3K9
www.viconics.com
T550SE15.DOC 6/7/02