Honeywell L41.. User Manual

PRODUCTION HANDBOOK
1 EN2R-9005 0406R3-NE
Subject to change without notice. All rights reserved.
L41../L61.. SERIES
THERMOSTAT (AQUASTAT)
APPLICATION
The L41../L61.. series aquastats are primarily designed for
application on water filled heating systems and systems for hot
water supply, mainly domestic use.
Contents
General page
Description of device functions ......................................... 2
Description ........................................................................ 3
Overview/selection guide ................................................. 4
Features ............................................................................ 5
Aquastat series
L4188 - L6188 .................................................................. 6
L4189 - L6189 .................................................................. 8
L6190 ............................................................................. 10
L4191 - L6191 ................................................................ 12
L6188A 2044 Tradeline .................................................. 14
Performance .................................................................... 16
Construction .................................................................... 17
Various
Accessories and spare parts ........................................... 18
Quality assurance statement ........................................... 20
Standards and approvals ................................................ 20
Ordering information ........................................................ 21

Honeywell L41.. Specifications

General

Brand	Honeywell
Model	L41..
Category	Thermostat
Language	English

Summary

DESCRIPTION OF DEVICE FUNCTIONS

Sensing element

Describes the liquid-filled sensing element and its response to temperature changes.

Control mechanism

Explains the mechanism transferring diaphragm motion to a snap action switch for temperature adjustment.

Knob with scale and index

Details the plastic knob for temperature adjustment and its calibration features.

Micro Switch

DESCRIPTION

L4188 - L6188 SINGLE AQUASTAT - DIRECT IMMERSION

Specifications

Lists technical specifications like ambient limits, electrical connections, rating, and terminal data.

L4189 - L6189 SINGLE AQUASTAT - PANEL MOUNTING (IMMERSION)

L6190 SINGLE AQUASTAT - SURFACE MOUNTING

L4191 - L6191 DUAL AQUASTAT - DIRECT IMMERSION

APPLICATION AND ORDERING INFORMATION

Details applications and provides ordering information for the L4191/L6191 dual series.

L6188A 2044 TRADELINE SINGLE AQUASTAT - DIRECT IMMERSION

APPLICATIONS AND ORDERING INFORMATION

Details applications and ordering information for the L6188A 2044 Tradeline Aquastat.

SPECIFICATIONS AND DIMENSIONS

Lists technical specifications and provides dimensional drawings for the L6188A 2044 Tradeline.

PERFORMANCE

Fixed switch differential

Details standard fixed differential values for controls and recycling limits.

Adjustable switch differential

Describes adjustable differential options for controllers and recycling limiters.

Manual or tool reset switch differential

Covers differential for thermal cut-outs with manual or tool reset.

Ambient temperature error

Time constant

Setpoint accuracy

CONSTRUCTION

ORDERING INFORMATION

Ordering Specification Number breakdown

Explains the structure and components of the product's ordering specification number.

Control contact and mounting types

Details available control contact types and mounting options for ordering.

Family and specific model codes