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
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