Honeywell AQUASTAT L8124A User Manual

PRODUCT DATA
60- 2061- 10
® U.S. Registered Trademark
Copyright © 2001 Honeywell • All Rights Reserved
L8124A,B,C,E,G,L,M
Aquastat® Relays
GENERAL
These immersion type controllers are for use with forced
hydronic heating systems that include domestic hot water
service.
FEATURES
• L8124 Aquastat® Relays provide high limit, low limit,
and circulator control for maintaining boiler
temperatures.
• L8124 Aquastat Relays can provide multizone control
by using a separate circulator and R845 Relay for
each zone.
• All L8124 Aquastat Relays mount directly on the boiler.
• L8124E,G and L have large transformers and extra
terminals for supplying power to low voltage zone
valves.
• L8124M is for use in a wood-coal/gas-oil multifuel
heating system. Circulator is independently controlled
by the thermostat.
Contents
General ............................................................................. 1
Features ........................................................................... 1
Specifications ................................................................... 2
Ordering Information ........................................................ 2
Installation ........................................................................ 5
Wiring ............................................................................... 7
Operation .......................................................................... 10
Setting And Checkout ....................................................... 10
Checkout .......................................................................... 14
Material Safety Data Sheet (MSDS) ................................. 14

Honeywell AQUASTAT L8124A Specifications

General

Brand	Honeywell
Model	AQUASTAT L8124A
Category	Relays
Language	English

Summary

GENERAL

FEATURES

Overview of product capabilities and applications.

SPECIFICATIONS

TRADELINE Models

Details specific to TRADELINE ® branded models.

Replacement Aquastat Assemblies

Information on replacement assemblies for Aquastat relays.

ORDERING INFORMATION

INSTALLATION

Mounting Standard Models

Steps for mounting standard Aquastat relay models.

TRADELINE Models

Specific mounting instructions for TRADELINE models.

WIRING

OPERATION

High Limit Controller

How the high limit function controls the burner based on temperature.

Low Limit and Circulator Controllers

How low limit and circulator functions operate.

SETTING AND CHECKOUT

Heat Anticipator

Setting the thermostat heat anticipator for proper operation.

CHECKOUT

Procedure to verify control operation after installation.

MATERIAL SAFETY DATA SHEET (MSDS)

Composition and Ingredients

Details on the chemical composition of the heat conductive compound.

Hazard Identification

Information on potential health hazards associated with the product.

First Aid Measures

Procedures to follow in case of exposure or injury.

Fire Fighting Measures

Guidance on fire prevention and response.

Accidental Release Measures

Steps to take in case of spills or releases.

Handling and Storage

Recommendations for safe handling and storage of the product.

Exposure Controls and Personal Protection

Guidelines for worker protection and exposure limits.

Physical and Chemical Properties

Overview of the product's physical and chemical characteristics.

Stability and Reactivity

Information on product stability and potential hazardous reactions.

Toxicology Information

Data on the toxicological effects of the product.

Ecological Information

Information regarding the product's environmental impact.

Disposal Consideration

Guidance on proper product disposal methods.

Transportation Information

Details on transportation classification and regulations.

Regulatory Information

Relevant regulatory compliance information for the product.

Other Information

Miscellaneous information and disclaimers.