Graco 248921 310798D Instructions - Parts Manual
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Graco 248921 310798D Instructions - Parts Manual

Graco 248921 310798D Instructions - Parts Manual

Hose heat control kit for monitoring and controlling fluid temperature in low voltage heated hose
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Instructions - Parts
248921 Hose Heat
Control Kit
For monitoring and controlling fluid temperature in low voltage heated hose.
Not for use in explosive atmospheres.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
See page 2 for Table of Contents.
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2004, Graco Inc. is registered to I.S. EN ISO 9001
310798D
TI5688b

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Summary of Contents for Graco 248921 310798D

  • Page 1 Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. See page 2 for Table of Contents. TI5688b Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2004, Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    Startup ....... . . 8 Graco Information ......16 Troubleshooting .

  • Page 3: Warnings

    Do not alter or modify equipment. • For professional use only. • Use equipment only for its intended purpose. Call your Graco distributor for information. • Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces. •...

  • Page 4: Setup

    Setup Setup Locate hose heat control Connect electrical cord Position hose heat control for convenient opera- tor access and maintenance, safe routing of Power cord is not supplied. Use minimum 12 cables, and easy connections. AWG (3.3 mm ), 2 wire + ground. Electrical requirements WARNING See T...

  • Page 5: Set Transformer Wire Taps

    Setup Set transformer wire taps 100 ft 150 ft 50 ft WARNING 200 ft Read warnings, page 3. Turn power switch OFF . Transformer tap wire connections vary depending on length of heated hose. See F . 2. Verify that tap wire connections are correct. TI3469a Hose Length* ft (m) Tap Terminal...

  • Page 6: Connect Fluid Hose

    Setup Connect fluid hose Carefully extend FTS probe (P). Do not bend or kink probe. Insert in major vol- Hoses are 50 ft (15.2 m) long. The maximum ume (resin) side of heated hose. combined hose length (including whip hose) is 210 ft (94.5 m).
  • Page 7 Setup When Using 261669 FTS, Heated Connect 50 ft (15.2 m) heated hose to Whip Hose FTS inlets. Connect hose sensor cable (SC) to FTS cable. Connect desired lengths of hose. Secure all connections as explained in manual 309572. Connect whip hose as explained in hose manual 309572.

  • Page 8: Startup

    Troubleshooting Startup Using a screwdriver, turn current adjust- ment screw (CA) until meter (M) reads 45 A maximum. See F . 5. Fasten lock- nut to secure at this setting. Ensure that all harnesses, cables, and connectors are properly connected. Connect hose.
  • Page 9 Troubleshooting PROBLEM CAUSE SOLUTION No hose heat. Loose hose electrical connections. Check all hose connections. See Test Hose Continuity, page 12. Circuit breakers tripped. Check CB1 and CB2. Hose heat not turned on. To turn on, press To change from Stop mode to Run mode, press LED in upper right corner of display will change.
  • Page 10 Troubleshooting 310798D...

  • Page 11: Repair

    Repair Repair Fluid Temperature Sensor (FTS) Pins Result 1 to 2 approximately 10 ohms Test/Removal 1 to 3 infinity 3 to FTS groundscrew 0 ohms Turn power OFF . Disconnect power supply. 1 to FTS component A infinity fitting (ISO) If FTS fails test, replace FTS.

  • Page 12: Transformer

    Repair Transformer Test Hose Continuity See Electrical Schematic, page 13. Measure volt- age at two bottom terminals of 20 A circuit breaker (9). Measurement should be line voltage. If not, check that lamp is illuminated red. Continue toward Turn power OFF .

  • Page 13: Electrical Schematic

    Electrical Schematic Electrical Schematic 310798D...

  • Page 14: Parts

    Parts Parts 248921 Series A, Hose Heat Control Kit TI2684b TI5688b 16 (Ref) 9 10 11, 14 5 (Ref) 4 (Ref) TI5689c Ref. Ref. Part No. Description Qty. Part No. Description Qty. 15F167 FUSE, 250 V, 1-8 A 15F162 CONTROLLER, 240 V, dual display 15F168 DISCONNECT, electrical;...

  • Page 15: Technical Data

    Technical Data Technical Data Input Power Requirements ......230 Vac, 1 phase, 50/60 Hz, 15 A Output Power ........10-70 Vac, 50 A Weight 75 lb (34 kg) Mounting Hole Pattern...

  • Page 16: Graco Standard Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

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