Viconics T261 - Manual (Page 2)

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SPECIFICATIONS
Operating Conditions: 0 °C to 50 °C ( 32 °F to 122 °F )
0% to 95% R.H. non-condensing
Sensor: Local 47 K NTC thermistor
Resolution: ± 0.1 °C ( ± 0.2 °F )
Control accuracy:
( calibrated )
± 0.2 ° C ( ± 0.4 °F ) for low ranges
± 0.9 ° C ( ± 1.8 °F ) for high ranges
Ranges: 10 °C to 32 °C ( 50 °F to 90 °F )
-18 °C to 82 °C ( 0 °F to 180 °F )
Outputs: Isolated Triac: 30 Vac at ½ A max.
0 to 10 Vdc into 2K
Ω resistance min.
0 / 5 Vdc at 20 mA max. for both outputs.
Power: 24 Vac -15%, +10% 50/60 Hz; 2 VA
ORDER CODE
T211 - AB - CD - EF ( without day-night mode )
T261 - AB - CD - EF ( with day-night mode )
A Output no. 1 ( controlled device ) Type
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
B Output no. 2 ( controlled device ) Type
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
3 -18 °C to 82 °C ∆
4 0 °F to 180 °F ∆
Example: T261 - 53 - 31 - 12
One "SSR" 3-32 Volts heating output
and one normally close thermal valve cooling output.
Main sensor located inside the room
Adjustable setpoint. Scale 50
°F to 90 °F.
The output no. 3 is a cooling signal for damper modulation.
∆ Note: These models have a vertical cover.
Note: Order remote sensors separately
WIRING
NOTE: WITH THE PROPER CODES, TERMINALS 5, 6, 8 AND 9 CAN BE
WIRED TOGETHER BETWEEN EACH THERMOSTAT IF POLARITY IS RESPECTED
Power supply 24 Vac -15% +10%
50/60 HZ 2 VA
COMMON
24 VAC
24VAC
5
6
POWER SUPPLY 24 Vac.
IMPORTANT: IF USING A COMMON TRANSFORMER
RESPECT POLARITY (COMMON AND 24 VAC)
BETWEEN EACH THERMOSTAT
Day night mode T261 only
CLOSE =
NIGHT
SET BACK
COMMON
INPUT
DAY / NIGHT 6
8
DAY NIGHT MODE
1 CONTACT USED FOR ALL
THERMOSTAT USING THE
SAME TRANSFORMER
Output #1 code A= 1, 2, 3 & 4 Triacs
Output #2 code B= 1, 2, 3 & 4 Triacs
RELAY OR THERMAL
VALVE 24 VAC
CONTACT
OUTPUT 1
2
OUTPUT #1 AND/OR #2 USING RELAY WITH ISOLATED TRANSFORMER
R
24VAC
3
4
AND / OR
USE TERMINALS 3 & 4 FOR OUTPUT #1
USE TERMINALS 1 & 2 FOR OUTPUT #2
Power limit input
Analog 0 to 10 Vdc
LIMIT INPUT
0 TO 10 Vdc
COMMON
0 TO 10 Vdc
6
9
POWER LIMIT INPUT USING 0 TO 10 Vdc
ENERGY
SYSTEM
MANAGEMENT
Output #1 code A= 1, 2, 3 & 4 Triacs
Output #2 code B= 1, 2, 3 & 4 Triacs
RELAY OR
24 VAC
THERMAL VALVE
CONTACT
OUTPUT
COMMON
24 VAC
24VAC
5
6
OUTPUT #1 AND/OR #2 USING SAME TRANSFORMER TO OUTPUT
3
4
AND / OR
1
2
USE TERMINALS 3 & 4 FOR OUTPUT #1
USE TERMINALS 1 & 2 FOR OUTPUT #2
Output #1 code A= 5 Pulsed 0/5 Vdc
Output #2 code B= 5 Pulsed 0/5 Vdc
SOLID STATE
RELAY
3-32 VDC
TRIGGER
LOAD
COMMON
0/5 V
6
OUTPUT #1 AND/OR #2 USING PULSED 0/5 Vdc
AND / OR
2 4
USE TERMINALS 4 & 6 FOR OUTPUT #1
USE TERMINALS 2 & 6 FOR OUTPUT #2
Output #3 Analog 0 to 10 Vdc
0 TO 10 VDC
COMMON
0 TO 10 Vdc
6
10
OUTPUT #3 USING 0 TO 10 Vdc
ELECTRONIC ACTUATOR, SCR,
OR VOLTAGE RELAY
Remote main temperature control sensor
Room or return control code D= 1,
Supply control code D=2
EXTERNAL
SENSOR
NOTE: REMOVE
INTERNAL J4 JUMPER
7
REMOTE MAIN CONTROL SENSOR
COMMON 6
VICONICS
DUCT S60 OR S70
ROOM S80 IMMERSION S90