W.Tech RAA Series Manual do Utilizador descarregar pdf (Página 13)

Features

• Upper and lower setpoint limit stops

• Dual scale setpoint indication

• Digital contact for operating mode selection*

• Built-in temperature sensor

• Selectable DIP switches for setting various

control parameters

• Heating only, cooling only or heating and

cooling applications

• Attractively styled, modern housing

• Automatic or manual changeover selection

• Freeze protection mode*

*except RCU50.2U

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

Switch rating at 24 Vac ................ 6 (1)A

resistive

(inductive)

Control Action .............................See table.

Output

Product Heating Cooling

RCU15U On/off/PWM On/off/PWM

RLA162.5U 0 to 10 Vdc 0 to 10 Vdc

RCU50U 0 to 10 Vdc 0 to 10 Vdc

RCU50.2U 0 to 10 Vdc 0 to 10 Vdc

RCU61U 3P 0 to 10 Vdc

Weight ........................................0.5 oz. (0.23 kg)

Color ...........................................Ivory white (cover)

Gray (base)

Ambient conditions

Operation temperature ...........32°F to 122°F

(0°C to 50°C)

Operation rh ...........................<95%

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

(–25°C to 70°C)

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

Wiring

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

1 × 14 AWG

20 AWG Maximum

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

cUL certified to

Canadian Standard

C22.2 No. 24-33

Submittal Summary

Universal

Room Control

RCU... Series Electronic Room Temperature Controllers

Microprocessor-

controlled

constant air

volume room

controller is

designed for air

only or air and

water heating,

and/or cooling

systems with

proportional (P)

response.

RCU15U • •* • • •

RLA162.5U • • • •

RCU50U • • • •

RCU50.2 • • •

Free Energy Band™ • • • • •

RCU61U

Part Number Application Control Output Changeover

2-pipe

4-pipe

Cooling/

heating

0 to 10 Vdc

PWM

On/off

Floating 3P

Reversible

Auto

Manual

* Reverse Acting (RA) heating/

Direct Acting (DA) cooling

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 28 29

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