Leslie E-1200L User Manual

CONSTANTEMP LOW PRESSURE
STEAM-WATER HEATERS
Models E-1500L, E-1520L, E-300L, E-320L, E-320LDW, E-4500L, E-4520L,
E-600L, E-620L, E-620LDW, E-7500L, E-7520L, E-900L, E-920L,
E-10500L, E-10520L, E-1200L and E-1220L
12501 Telecom Drive, Tampa Florida 33637
90/4.5.1
Rev.1
INSTALLATION, OPERATING,
AND MAINTENANCE INSTRUCTIONS
PARTS LIST
TABLE OF CONTENTS
SECTION I — INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
SECTION II — START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
SECTION III — MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
SECTION IV — TROUBLE SHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-19
ILLUSTRATION INDEX
DRAWING, DIMENSIONS, TYPICAL INSTALLATIONS AND MISCELLANEOUS DATA
Figure 1 - Control Valve Complete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Figure 2 - Gain Control Adjustment Curve Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Figure 3 - Actuator Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Figure 4 - Valve Plug Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Figure 5 - Temperature Adjustor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Figure 6 - Key Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Drawing - Models E-1500L, E-1520L, E-300L and E-320L . . . . . . . . . . . . . . . . . . . . . . . .8-10
Drawing - Models E-1500L, E-300L, E-4500L, E-600L and E-620LDW . . . . . . . . . . . . . . . .12
Drawing - Typical Installation for Drenching Showers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Drawing - Models E-4500L, E-600L, E-900L, E-10500L and E-1200L . . . . . . . . . . . . . .15-18

Leslie E-1200L Specifications

General

Brand	Leslie
Model	E-1200L
Category	Water Heater
Language	English

Summary

Installation Guide

Steam and Water Operating Pressures

Specifies safe pressure limits for steam and water inputs for Constantemp heaters.

Start-Up Procedure

Maintenance and Component Assembly

Hot Water Control Valve Dismantling

Detailed steps for taking apart hot water control valves for servicing.

Actuator Assembly Instructions

Guide for correctly assembling the heater's actuator component.

Control Valve Assembly Procedures

Steps for assembling the main control valve mechanism.

Heat Exchanger Maintenance and Repair

Procedures for heat exchanger disassembly and reassembly.

Troubleshooting Guide

Excessive Water Temperature Rise

Diagnosing high water temperatures during periods of no usage in recirculating systems.

Excessive Water Temperature Drop

Diagnosing low water temperatures during periods of no usage in recirculating systems.

Temperature Drop Before Rated Capacity

Troubleshooting temperature loss before reaching maximum heater capacity.

Model Specifications and Construction Materials

Parts Identification and Reference Numbers

Comprehensive list of part names and their corresponding reference numbers.

Standard Recirculation System Start-Up

Typical Drenching Shower Installation

Miscellaneous Data and Sizing

Relief Valve Sizing Guide

Information on selecting and sizing appropriate relief valves based on system pressure.