Specifications, Ordering information – Honeywell L4189A User Manual

Page 2

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L4188A,B; L4189A,B; L6188A-C; L6189A-C AQUASTAT® CONTROLLERS

68-0061—1

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 Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).

2. Honeywell Customer Care

1885 Douglas Drive North

Minneapolis, Minnesota 55422-4386

In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V 4Z9.

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

Electrical Ratings:

Switching: Diaphragm-operated, snap-acting switch.

L4188, L4189: Switch breaks on temperature rise to set

point, remakes when temperature drops below set point

and through differential.

L6188, L6189: Switch breaks C-1 and makes C-2 on

temperature rise to set point; switches back when

temperature drops below set point and through

differential.

Terminals: 1/4 in. male quick-connects standards. Options

(specify when ordering):

Combination screw and 1/4 in. quick connects.

Separate grounding terminal.

Temperature Setting Range: 80° to 200° F (27° to 93° C),

110° to 230° F (43° to 110° C), and 160° to 280° F (71° to

138° C) available. Specify when ordering.

Temperature setting minus differential must be no more

than 9° F (-13° C) below bottom of setting range.

Setting Scale: Marked every 20° F (-7° C), with subdivisions

every 10° F (-12° C), includes OFF setting.

Limit Stop: Limits dial rotation beyond desired high or low

limit temperature. Can be set at 5° F (2.5° C) intervals.

Optional, available on models with knob only. Specify when

ordering.

IMPORTANT

The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit may not

match the listed specifications exactly. 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.

MODELS: See Table 1.

Table 1. Aquastat

®

Controller Selection Guide

a

Specify when ordering.

24 Vac

120 Vac

240 Vac

Full Load

2.0 A

8.0 A

5.1 A

Locked Rotor

48.0 A

30.6 A

Model

Application

Switching

Mounting

Setting

Differential

a

L4188A

High or low limit

Spst, breaks on

temp. rise

Direct

Knob

7°, 14° or 22° F (-14°, -10° or -6° C),
fixed

a

L4188B

Screwdriver slot

L4189A

Remote bulb

Knob

L4189B

Screwdriver slot

L6188A

Low limit and

circulator

Spdt, breaks C-1,

makes C-2 on

temp. rise.

Direct

Knob

7°, 14° or 22° F (-14°, -10° or -6° C),
fixed

a

, 7° - 18° F (-16° - -8° C),

adjustable

a

L6188B

Screwdriver slot

L6188C

Manual reset

L6189A

Remote bulb

Knob

7°, 14° or 22° F (-14°, -10° or -6° C),
fixed

a

, 7° - 18° F (-16° - -8° C),

adjustable

a

L6189B

Screwdriver slot

L6189C

Manual reset

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