Dwyer Instruments Series TSS2 Part Numbering Designation
Bulletin E-90-TSS2
°C
WIRING DIAGRAM
BLUE BUTTONS
3
[76.2]
1-27/64
[36.12]
1-9/64
[28.97]
2-7/16
[61.91]
MODEL CODE
DISPLAY COLOR
0=RED
UNITS
0 = °F
1 = °C
SUPPLY VOLTAGE
1 = 115 VAC
2 = 230 VAC
3 = 12 VAC/DC
4 = 23 VAC/DC
OUTPUTS
2 = 2 OUTPUTS
TSS2 –
Series TSS2 Dual Stage Temperature Switch
Specifications - Installation and Operating Instructions
The TSS2 is an electronic temperature controller designed for ON/OFF control or
Neutral Area Control. They can be provided with 1 or 2 probes (PTC or NTC)
according to parameter P5 and it provides two output relays plus an alarm buzzer.
The unit controls cooling, heating or both, since its relays can be setup for direct or
reverse operation. The user is able to program 34 different parameters including
set points, hysteresis, configuration of alarms and probe adjustment using the
silicone front keypad. The unit features error warning and password protection.
Each suffix can take the following values:
Note: Unit must be mounted away from vibration, impacts, water and corrosive
gases.
• Cut hole in panel 71 x 29 mm (2.80 x 1.14 inches).
• Apply silicone (or rubber gasket) around the perimeter of the hole to prevent
leakage.
• Insert unit into hole of panel.
• Slide removable fitting clips onto unit from the back until secure to panel.
• Wiring diagram is displayed on the top of the unit.
• Note: DO NOT INSTALL PROBE CABLE NEAR POWER CABLES.
SPECIFICATIONS
Probe Range:
PTC: -58 to 302°F (-50 to 150°C);
NTC: -58 to 230°F (-50 to 110°C).
Input:
PTC: 1000Ω @ 25°C;
NTC: 10 kΩ @ 25°C.
Outputs: OUT1 - SPDT relay rated 16A @ 240 VAC resistive; OUT2 - SPDT
relay rated 8A @ 240 VAC resistive.
Horsepower Rating (HP): 1 HP (OUT1).
Power Requirements: 115 VAC, 230 VAC, 12 VAC/VDC or 24 VAC/VDC
(depending on model).
Accuracy: 1% FS.
Display: 3-digit and sign, red LED.
Resolution: 0.1° (<100°); 1° (≥100°).
Memory Backup: Nonvolatile memory.
Temperature Limit: Ambient: 32 to 158°F (0 to 70°C).
Storage Temperature: -4 to 176°F (-20 to 80°C).
Dimensions: 3 x 1-27/64 x 2-7/16 in.
Front Panel Rating: IP64.
Weight: 2.3 oz (65 g).
Agency Approvals: CE, cURus.
Maintenance, cleaning and repair
After final installation of the unit, no routine maintenance is required. Clean the
surface of the display controller with a soft and damp cloth. Never use abrasive
detergents, petrol, alcohol or solvents. All repairs must be made by authorized
personnel.
LOVE CONTROLS DIVISION
DWYER INSTRUMENTS INC.
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