Chromalox PD441-1 user manual

Summary of the content on the page No. 1

®
Chromalox
SERVICE REFERENCE
Installation, Operation
DIVISION 4 SECTION MTO-LT
and
SALES
REFERENCE (Supersedes PD441) PD441-1
MAINTENANCE INSTRUCTIONS
161-303567-001
DATE MARCH, 1999
Type MTO-LT
Pipe Insert Immersion Heater
A
Expansion Gap
B
2-3/8”
Max. Spacer
2-1/16”
I.D. Min.
Type E2
Moisture-Tight Pipe, Support &
Explosion-Resistant Tank (by others)
Expansion Gap
Enclosure
3/4” Pipe Outlet
GENERAL
Dim. (In.) Pipe
the ultimate choice of pipe material bas

Summary of the content on the page No. 2

INSTALLATION 6. Heater must not be operated in sludge. place. 7. Install the heater using a high quality pipe sealing compound on A2. Position outlet and inlet in a vertical plane, facing upward to the threads. Screw the heater into the opening (Figure 2). Tighten prevent air pockets. Be sure all trapped air is removed from the sufficiently with wrench applied on the hex portion of the screw- closed tank. Bleed the air out of the liquid piping system and plug. heater housing prior to operation.

Summary of the content on the page No. 3

OPERATION 1. Do not operate heaters at voltages in excess of that stamped on the ject to a humid environment. This moisture absorption results in a heater since excess voltage will shorten heater life. cold insulation resistance of less than twenty megohms. Normally, 2. Always maintain a minimum of 2” of liquid above the heater to this megohm value corrects itself after heatup and does not affect prevent exposure of the effective heated length. If the heater is not heater efficiency or life. pr

Summary of the content on the page No. 4

Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx. 2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com TA - Q0 - EF Litho in U.S.A.