Weil-McLain EGH-105, EGH-125 manual Please read this page first

Page 2

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

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Contents Control Supplement Please read this page first Carton guide Boiler cartonsInstallation Gas train assemblyInstall optional vent damper if supplied Vent damper assembliesWater boiler connections III Install boiler controls water boilersII Piping connections Steam boiler connections III Install boiler controls steam boilersIV Optional heaters steam boilers only VI Wiring Gas pipingVI Wiring sequence of operation Call for heatWiring water boilers Water boiler wiringSchematic Wiring Diagram VI Wiring water boilers Control assembly water boilerCSD-1 control panel VI Wiring steam Gravity returnSchematic Wiring Diagram Control assembly steam, gravity return 13aCSD-1 control panel Pumped return Schematic Wiring Diagram Control assembly steam, pumped return Terminal strip VII Final adjustments Before proceeding To place boiler in operationVII Final adjustments operating instructions Operating instructionsViii Check-out procedure operation Viii Check-out procedure leak test Leak test procedureViii Check-out procedure troubleshooting Verify proper operation after servicingReplace pilot assembly TS-2 No Spark System boiler with vent damper does not work Not OK TS-3 Pilot lights Main valve will not come on from previous IX Service and maintenance Replacement parts water boilers Water boiler assemblyWater boiler replacement parts RV20VLReplacement parts steam boilers Steam boiler assemblySteam boiler replacement parts RV20VLWeil-McLain Blaine Street Michigan City,
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