Weil-McLain Please read this page first, EGH-105to EGH-125 Control Supplement, Contents, Viii

EGH-105 to EGH-125 Control Supplement

Hazard definitions

To the installer:

Please read this page first

The following terms are used throughout this Control Supplement to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.

Indicates presence of hazards that will cause severe personal injury, death or substantial property damage.

Indicates presence of hazards that can cause severe personal injury, death or substantial property damage.

Indicates presence of hazards that will or can cause minor personal injury or property damage.

Indicates special instructions on installation, operation or maintenance that are important but not related to personal injury or property damage.

This Control Supplement must only be used by a qualified installer/service technician. Read these instructions completely before beginning the installation. Failure to follow these instructions can cause severe personal injury, death or substantial property damage.

This Control Supplement is for CSD-1 controls on EGH-105 to EGH-125 boilers only, specifically for:

•Water boilers without tankless heater. (CSD-1 is not available for water boilers with tankless heater.)

•Steam boilers with or without tankless heater.

This document is only intended as a supplement to the EG, PEG and EGH (Series 4) Boiler Manual (referred to in this Supplement as the EGH Manual). Follow all instructions in the EGH Manual in addition to the instructions in this Control Supplement.

The installation must conform to the requirements of the authority having jurisdiction, or, in the absence of such requirements, to the National Fuel Gas Code,ANSI Z-223.1/NFPA-54 (latest edition).Where required by the authority having jurisdiction the installation must conform to the American Society of Mechanical Engineers (ASME) Safety Code for Controls and Safety Devices for Automatically-Fired Boilers, Number CSD-1.

Contents I	Installation	4
II	Piping connections	6
III	Install boiler controls	6
IV	Optional heaters	7
V	Gas piping	8
VI	Wiring	8
VII	Final adjustments	22
VIII	Check-out procedure	24
IX	Service and maintenance	31
X	Replacement parts	32

2 Part Number 550-110-677/0299