W.Tech RAA Series Manual de usuario descargar pdf (Pagina 21)

Specifications

Operating voltage .......................24 Vac

Frequency ...................................50/60 Hz

Setpoint range ............................50°F to 85°F

(10°C to 30°C)

Setpoint limit stops ......................Adjustable

Switching differential (SD)-adjustable

In heating mode ....................2°F or 7°F

(1°C or 4°C)

In cooling mode ......................1°F or 4°F

(0.5°C or 2°C)

Switch action ..............................Single-pole,

double-throw

(SPDT)

Selector switch ............................Standby/

low/medium/high

Proportional band

Heating ..................................7°F (4°C)

Cooling ...................................3.5°F (2°C)

Weight ........................................0.5 lb (0.23 kg)

Color

Cover......................................Gray and white

Base .......................................Gray

Selector knobs ........................Gray

Ambient conditions

Operating temperature ...........32°F to 122°F

(0°C to 50°C)

Operating rh ...........................<95%

Transportation temperature ....–13°F to 158°F

(–25°C to 70°C)

Transportation rh ....................<95%

Housing

Material ..................................ABS Plastic

Enclosure rating ......................NEMA 1

Wiring

Screw terminals ......................2 × 16 AWG or

1 × 14 AWG

Minimum 20 AWG

Agency certifications ...................UL listed to 873

cUL listed to

Canadian standard

C22.2 No. 24-93

Changeover sensor

Return air sensor

2-pipe

4-pipe

Floating 3P

On/off

0 to 10 Vdc

Electric heat

RDF10U • • • •

RDF20U • • • • •

Free Energy

Band™

RDF30U • • •

RDF50.1U • • • •

RDF60.1U • • • •

Part Number Input Application Output

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 27 28 29

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W.Tech RAA Series Manual de usuario Pagina 21

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