Chromalox PD422-4 user manual

Summary of the content on the page No. 1

®
Chromalox
SERVICE REFERENCE
Installation
DIVISION 4 SECTION PTH
SALES
(Supersedes PD422-3)
and
REFERENCE PD422-4
161-056676-001
Operating Instructions
DATE NOVEMBER, 2004
Type PTH
Over-the-Side Immersion Heaters
1-3/4”
Leadwires w/ Ground
Specifications
Dimensions (In.)
Approx.
Model Volts
Wt.
2
Number (1 Ph) kW W/In
3’ PVC Flexible Conduit AB
(Lbs.)
PTH-101 120 1 21 14 8 4
A
PTH-102 240 1 21 14 8 4
Mounting Plate
5 x 1-1/2” Wide with
PTH-202 240 2 31 21

Summary of the content on the page No. 2

INSTALLATION 4. IMPORTANT: Heated section (See Figure 1, “B” Dimension) must be totally immersed at all times. If the heater is not properly submerged, it will overheat and damage the heating elements and ELECTRIC SHOCK HAZARD. Disconnect all power create a possible fire hazard due to excessive sheath temperatures. before installing or servicing heater. Failure to do so 5. Heater must not be operated in sludge. could result in personal injury or property damage. Heater must be installed by a qu

Summary of the content on the page No. 3

OPERATION 1. Do not operate heater at voltages in excess of that stamped on the heater since excess voltage will shorten heater life. 2. Always maintain a minimum of 2” of solution If the heater is not properly submerged, the heating above the heated portion of the element (See Figure 1, “B” elements will overheat and could result in a fire or Dimension) to prevent exposure of the effective heated length. If damaged equipment. the heater is not properly submerged, it may overheat and shorten h

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 TA - Q0 - EF Phone: 1-800-368-2493 www.chromalox.com Litho in U.S.A.