TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS
Enclosure: Plastic (cover, sub-base, and optional adap-
SPECIFICATIONS
tor plate)
Supply Voltages:
Junction Box Mounting: Direct mounting on a horizontal
single gang NEMA 2 x 4 in. surface mount electrical box,
or on 4 x 4 in. box or vertical 2 x 4 in. surface mount
electrical box with the optional 50033847-001 adapter
plate.
TB6575A1016 and TB6575B1000:
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120 Vac ±10% at 50/60Hz
240 Vac -15% to +10% at 50/60Hz
TB6575C1016:
•
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120 Vac ±10% at 50/60Hz
240 Vac -15% to +10% at 50/60Hz
277 Vac ±10% at 50/60Hz
Dimensions: See Fig. 1 on page 3.
TB8575A1016:
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Wiring: 11 screw-in terminals located on the sub-base
capable of accepting up to 2 x 18 AWG (0.8 sq. mm), 1 x
20 to 30 Vac at 50/60Hz (using 24 Vac, Class 2,
NEMA rated transformer)
1
6 AWG (1.3 sq. mm), or 1 x 14 AWG (2.1 sq. mm) wires.
Safety Fuse: 15 A, 350V. If the safety fuse blows, the
thermostat must be replaced. The fuse is not field
replaceable.
Accepts stranded or unstranded 14-28 gauge wire.
NOTES:
1
. The TB6575A1016 and TB6575C1016 models
are pre-fitted with color-coded fly leads (16
AWG) attached to seven terminals.
Electrical Ratings: (see Table 1).
Table 1. Electrical Ratings.
Amps (inductive) for:
2. The TB6575B1000 model is pre-fitted with color-
coded fly leads (16 AWG) attached to six
terminals.
Component
24 Vac 120 Vac 240 Vac 277 Vac
3. The TB8575A1016 model does not have fly
leads attached to any terminals.
Fan Relay
1.0 A
6.0 A
1.0 A
3.0 A
1.0 A
2.4 A
1.0 A
4
. See Table 3 on page 5 for fly lead usage.
Heat/Cool Relay 1.0 A
Minimum Operational Life (at maximum load):
Thermostat contacts: 100,000 cycles
Environmental Ratings:
Temperature:
Approvals:
Operating Range: 18°C to 49°C (0°F to 120°F).
Shipping and Storage Range: -29°C to 49°C (-20°F to
20°F).
CSA Certified C/US for Canada and the U.S.A. Meets
the same requirements as UL-873 and UL 1/4 HP.
FCC Part 15 Class B
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Humidity: 5% to 90% RH, non-condensing.
Accessories:
Onboard Temperature Sensor:
Type: 10K NTC
Working Range: 18°C to 49°C (0°F to 120°F)
Display Range: 0°C to 37°C (32°F to 99°F)
Accuracy ±2.0°F at 70°F
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50033847-001 – Adapter plate for mounting on a
vertical 2 x 4 in. single-gang or double-gang NEMA
standard vertical switch box (6 1/4 in. (158 mm) x 5 1/
16 in. (128 mm) x 13/22 in. (10 mm)).
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TR21 – 20K Ohm NTC Non-Linear Remote
temperature sensor.
Other acceptable remote temperature sensors are —
Remote Temperature Sensor (optional):
Type: 20K NTC
Working Range: 18°C to 49°C (0°F to 120°F)
Display Range: 0°C to 37°C (32°F to 99°F)
Accuracy ±2.0°F at 70°F
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20K Ohm: C7041B2005, C7041B2013,
C7041C2003, C7041P2004, C7770A1006,
C7772A1004, and C7772A1012
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10K Ohm (for averaging only): TR21-A
Remote Pipe Sensor (optional):
Type: 20K NTC
Working Range: 0°C to 93°C (32°F to 199°F)
Display Range: 0°C to 93°C (32°F to 199°F)
Accuracy ±5.0°F over the temperature sensing range
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PS20 (535-34AB08-203) – Remote pipe sensor
(
20K Ohm)
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W6380B1005 – Fan Coil Unit Relay Control Center
WSK-24 - Wireless Occupancy Solution (Receiver,
occupancy sensor and door sensor)
Remote Setback Input: Dry contact, maximum
Models, applications, and features:
Table 2 identifies the applications and features of each
model.
resistance of 100 ohms. TB6575 – 9Vdc, < 4 mA; TB8575
–
16 Vdc, < 5 mA. Note Electrical WARNING on page 3.
Remote Setback Range:
Heating: 10°C to 21°C (50°F to 70°F).
Cooling: 22°C to 32°C (72°F to 90°F).
62-0311—13
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