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®
Chromalox
SERVICE REFERENCE
Installation, Operation,
DIVISION 4 SECTION TL
SALES
Maintenance Instructions
REFERENCE (Supersedes PD411-9) PD411-10
and
161-048529-001
DATE AUGUST, 2008
RENEWAL PARTS IDENTIFICATION
Incorporates PD410-8 and PD413-6.
These manuals have been discontinued.
Type TLC, TLO, TLS, TLI, KTLC, KTLO, KTLS,
KTLI, KBLC, KBLS, BLCK, & BLCS Series
Industrial Over-The-Side Immersion Heaters
Type KBLS
Type TLC
Type KTLC
Shown above are Moistu
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GENERAL (cont’d.) D. Riser type construction puts the heat at the bottom inducing which he maintains on the process. CHROMALOX natural “stirring action” and evenly distributed temperatures. cannot warrant any electric immersion heater against E. Units are available with E1 General Purpose, E4 Moisture failure by sheath corrosion if such failure is the result Resistant, E2 Explosion/Moisture Resistant and E3 Explosion of operating conditions beyond our control. Resistant terminal enclosures. IMPO
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SPECIFICATIONS (cont’d.) KTLC, KTLI, KTLO, KTLS Section A-A (B) (A) Min. Tank (A) Clearance A A (B) (B) Figure 2 Figure 1 Specifications – Dimensions (In.) (A) Standard (B) Min. Element No. No. Sheath Riser Tank Opening Arrange- Model Elements Phase Volts kW Model Elements Phase Volts kW Material Height Clearance ment KTLC-210 2 1 240-480 10 KTLC-315 3 1 or 3Δz 240-480 15 Copper 48 21-1/4 Fig. 2 KTLC-212 2 1 240-480 12 KTLC-318 3 1 or 3Δz 240-480 18 Copper 48 23-1/2 Fig. 2 1 or 3Δz 120-240 KTLC
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SPECIFICATIONS (cont’d.) 1-1/4” Pipe Opening BLCK, BLCS C Lof Mtg. Hole same as Dim. “A” 1-1/4” Ground Joint Type BLCK-MH Malleable Iron Union Suspension Bracket (4-5/32) 1-1/4” Round Floor Flange (A) Malleable Iron (C) Type BLCS (A) 4 to 12 Blades 1-1/4” Steel Pipe Riser 4 to 12 Blades (C) (B) (B) Specifications – Kilowats Dimensions (In.) No. Regular Oil Fuel Oil (A) (B) Min. Tank 2 2 2 Model Blades Phase 18 W/in 12 W/in 40 W/in Voltage Riser Height Opening Clearance (C) BLCK-MH618 6 1 or
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INSTALLATION (cont’d.) 9. To prevent moisture accumulation in cryogenic applications or when heater is exposed to freezing temperatures: A. Slope conduit away from enclosure (drip loop). FIRE OR EXPLOSION HAZARD. If the heater is not B. Seal all conduit openings to moisture/explosion resistant ter- properly submerged, the heating elements will over- minal enclosure. heat and could result in a fire or damaged equipment. C. Insulate terminal enclosure. NOTE: If heating in closed vessels, controls
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WIRING DIAGRAMS – KTLC, KTLO, KTLS, KTLI 120V 120V 240V 240V 480V 480V 480V 120V 120V 240V 240V 480V 480V 480V Model 1ø 3øΔz 1ø 3øΔz 1ø 3øΔz 3øY Model 1ø 3øΔz 1ø 3øΔz 1ø 3øΔz 3øY Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. KTLC, KTLI and KTLS 210 — — 1 — 1 — — KTLO 310 — — 3 4 3 4 — KTLC, KTLI and KTLS 212 — — 1 — 1 — — KTLC, KTLI and KTLS 312 — — 3 4 3 4 — KTLC, KTLI, KTLO and KTLS 220 1 — 1 — 2 — — KTLC, KTLI and KTLS 315 — — 3 4 3 4 — KTLO 230 1 — 1 — 1 — — KTLC, KTL
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Factory Factory Field Field Term. Block Term. Block Contactor Contactor L1 L1 L2 L2 L3 120V or 120V 240V or Junction Box 240V Low Junction Box Liquid Thermostat Low Control Liquid Thermostat Control WIRING DIAGRAM 5 WIRING DIAGRAM 6 Factory Factory Field Field Term. Block Term. Block Contactor Contactor L1 L1 L2 L3 L2 120V 120V or or 240V Junction Box 240V Junction Box Low Thermostat Low Liquid Thermostat Liquid Control Control WIRING DIAGRAM 7 WIRING DIAGRAM 8 OPERATION 1. Do not operate heater
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MAINTENANCE Note: User is responsible for maintenance schedule based on their knowledge of the heated medium and operating conditions. 3. Remove any accumulated sludge deposits from heater and from ELECTRIC SHOCK HAZARD. Disconnect all power tank. before installing or servicing heater. Failure to do so 4. Check for loose terminal connections. could result in personal injury or property damage. 5. If corrosion is indicated in the terminal enclosure, check termi- nal enclosure gasket and replace i
