Instrukcja obsługi Honeywell RA889A

Honeywell przełącznik RA889A

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PRODUCT DATA

68-0216-2

® U.S. Registered Trademark

RA889A

Switching Relay

APPLICATION

The RA889A Switching Relay provides intermediate switching

of line- and low-voltage devices from a line- or low-voltage

controller and is typically applied in hydronic heating systems.

FEATURES

• High load switching capability.

• Troubleshooting LED.

• Push-to-test button.

• Replaceable transformer fuse.

• Long-life DC relay drive control technology.

• Relay for use with external 24 Vac or 24 Vdc supply,

with line-voltage control, or with internal 24V

transformer supply.

• One model replaces many Honeywell models. (See

Table 1 Replacement Cross Reference.)

Contents

Application ........................................................................ 1

Features ........................................................................... 1

Specifications ................................................................... 2

Ordering Information ........................................................ 2

Installation ........................................................................ 3

Mou ti g .... ..... ..... .... ..... .... ..... ..... .... ..... .... ..... ..... ..n n . . . . . . . . . . . . . 3

Wiring ............................................................................... 4

Operation .......................................................................... 4

Checkout .......................................................................... 4

Tr ub e ho ti g .... .... ..... .... ..... ..... .... ..... .... ..... ..... ..o l s o n . . . . . . . . . . . 4

RA889A SWITCHING RELAY

68-0216—2 2

ORDERING INFORMATION

When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the

TRADELINE® Catalog or price sheets for complete ordering number.

If you have additional questions, need further information, or would like to comment on our products or services, please write or

phone:

1. Your local Home and Building Control Sales Office (check white pages of your phone directory).

2. Home and Building Control Customer Logistics

Honeywell Inc., 1885 Douglas Drive North

Minneapolis, Minnesota 55422-4386 (612) 951-1000

In Canada—Honeywell Limited/Honeywell Limitée, 155 Gordon Baker Road, North York, Ontario M2H 3N7.

International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,

Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.

SPECIFICATIONS

IMPORTANT

The specifications given in this publication do not

include normal manufacturing tolerances. Therefore,

this unit may not exactly match the listed specifica-

tions. Also, this product is tested and calibrated

under closely controlled conditions, and some minor

differences in performance can be expected if those

conditions are changed.

TRADELINE® Model: RA889A Switching Relay with 24V

controller for switching one-line voltage load.

Electrical Ratings:

Voltage: 120 Vac, 60 Hz.

Thermostat Heat Anticipator Setting: 0.12A.

Transformer Ratings:

Primary: 120 Vac, 60 Hz.

Secondary: 24 Vac, 12 VA maximum, 9 VA available for exter-

nal loads. Secondary protected by replaceable 1A automo-

tive fuse.

Contact Ratings: 15 AFL, 30 ALR; maximum connected load

2000 VA.

Temperature Ratings: Ambient: -20°F to 120°F (-29°C to

49°C).

Humidity Ratings: 0 to 90% rh, non-condensing.

Switching Action: Spdt, plus Powerpile® rated low voltage

Spst relay.

Electrical Connections: No. 8 captivated wire clamp screw

terminals.

Finish: Zinc plated steel.

Knockouts:

Case Bottom: Three 1/2 in. (13 mm) for conduit box.

Case Top: One 7/8 in. (22 mm) for wiring.

Approvals:

Underwriters Laboratories Inc. Listed: File no. E4436, Guide

no. XAPX.

Canadian Underwriters Laboratories Inc. Listed: Guide no.

XAPX7.

Dimensions: See Fig. 1.

Fig. 1. RA889A dimensions in in. (mm).

7/32 (6)

DIAMETER

MOUNTING

HOLE

KNOCKOUT

FOR 1/2 (13)

CONDUIT (3)

1-1/16

(27) 1-1/4 (32)

2-3/16

(56)

3-1/2

(89)

3-11/16 (94) 5/16

(8)

5/16 (8)

6-1/4

(159)

5-3/8

(137)

1-3/8 (35)

4-7/16 (118)

2-1/8

(54)

3/16 (5) DIAMETER

3/8 (10) DIAMETER

7/8(22)

DIAMETER

KEYHOLE

TYPE

MOUNTING

HOLE

M17512

RA889A SWITCHING RELAY

3 68-0216—2

Cross Reference: The RA889A replaces many Honeywell

models. See Table 1 for additional cross reference

information.

Thermostat Compatibility: All Honeywell electromechanical

and most electromechanical 2- or 3-wire. Select thermostats

with 0.12A heating anticipator setting to match the electrical

rating of the switching relay.

Replacement Parts:

32002190-001 Replacement Relay.

Relay Fuse: 1A automotive fuse.

Table 1. RA889A Replacement Cross Reference.

a RA889A has one set of COM/N.O. relay contacts. Use R8845U if two sets are required.

b RA89A has lower output load rating. Check load requirements.

INSTALLATION

When Installing this Product . . .

1. Read these instructions carefully. Failure to follow them

could damage the product or cause a hazardous condi-

tion.

2. Check the ratings given in the instructions and on the

product to make sure the product is suitable for your

application.

3. Installer must be a trained, experienced service techni-

cian.

4. After installation is complete, check out product opera-

tion as provided in these instructions.

5. Follow local codes for installation and application.

WARNING

Electrical Shock Hazard.

Power supply can cause severe injury or death.

Transformer core not bonded.

Disconnect power supply before wiring.

MOUNTING

In replacement applications, mount the new relay in the same

location as the old relay. For new installations, locate the relay

vertically on a solid wall or partition as close as possible to the

device to be controlled. Select a location that is easily

accessible for installation and service.

NOTE: To reduce the possible transformer hum and relay

noise that is sometimes amplified by mounting sur-

faces such as sheet metal, plasterboard, and similar

materials, place rubber or felt washers between the

case and the mounting surface.

1. Position the relay and mark the mounting holes. See

Fig. 1.

2. Start a screw in the upper right corner for the keyhole

type mounting hole. Screw it down within about 1/8 in.

(3 mm) of the surface.

3. Hang the relay on the screw, position the case, and start

the bottom screw.

4. Tighten both screws.

Manu-

facturer Model

Connections

Comments

Input Line

Voltage Power Relay

Low

Voltage

Relay Thermostat

Honeywell RA889A L1 L2 COM N.O. N.C. X1 X2 W(T) R(T) C —

Honeywell RA89Aa1 2 3 4 — — — T T — —

R182Aa1 2 7 8 —B R See Fig. 6

thermostat

connections

Jumper L1 to COM and between X1

and R(T) in RA889A.

R182B 1 2 8 6 7 B R Requires jumper between X1 and

R(T).

R182Cb1 2 8 6 7 B R

R482B 1 2 8 6 7 — — Jumper R(T) to

W(T).

Line voltage switched inputs go to L1

and L2. See Fig. 7B.

R482Cb1 2 8 6 7 — —

R482Jb1 2 6 8 7 — — Line voltage inputs go to L1 and L2.

See Fig. 7B.

R882Aa— — 8 7 — — — W B— —

R882B — — 8 6 7 — — W B—

R882Cb— — 8 6 7 — — W B—

R882Jb— — 6 8 7 — — 1 2—

Specyfikacje produktu

Marka:	Honeywell
Kategoria:	przełącznik
Model:	RA889A

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