Teikoku API-685 Instruction Manual
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Teikoku API-685 Instruction Manual

Reverse circulation pump
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TEIKOKU
REVERSE CIRCULATION PUMP
TYPE-R (API-685 Plan 13-SE)
For Refrigeration Applications Only
INSTRUCTION MANUAL
for Installation, Operation, and Maintenance
HE-10677-P
June 2020

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Summary of Contents for Teikoku API-685

  • Page 1 TEIKOKU REVERSE CIRCULATION PUMP TYPE-R (API-685 Plan 13-SE) For Refrigeration Applications Only INSTRUCTION MANUAL for Installation, Operation, and Maintenance HE-10677-P June 2020...
  • Page 2 Introduction Thank you for purchasing the Teikoku Type-R (Plan 13-SE) refrigeration canned motor pump. Please carefully read this instruction manual and all Safety Warnings prior to use. Quick Start Guide is included in the Appendix of this manual. Applicable Standards and Regulations...
  • Page 3 If published procedures are not available, check The internal pressure can be higher than the atmosphere. with Teikoku before operating the equipment. Ensure that the pump and motor are properly de-pressur- ized and decontaminated prior to performing any work...

  • Page 4: Table Of Contents

    Teikoku Rotary Guardian (TRG ), the radial monitoring system of the rotating assembly of a Teikoku canned motor pump. The TRG monitors bearing wear and gives a direct readout as to bear- ing condition. The TRG is mounted on the electrical junction box as standard.

  • Page 5: General Information

    A standard feature of the Teikoku Type-R (Plan 13-SE) is the pat- induced magnetic field of an induction motor. A portion of the ented Teikoku Rotary Guardian (TRG™).
  • Page 6 The rotor assembly is a squirrel cage induction rotor constructed (Plan 13-SE) reverse circulation design avoids the heated circulat- and machined for use in the Teikoku Type-R (Plan 13-SE). It con- ing liquid returning directly to the pump suction. sists of a machined corrosion-resistant shaft, laminated core with cast aluminum bars and end rings, corrosion-resistant end covers, 1.7 Automatic Thrust Balance...

  • Page 7: Installation

    There age during shipment. is no need to bolt down or grout a Teikoku Type-R (Plan 13-SE). 2. Check unit to see that suction, discharge, and any other con- Be sure that the suction and discharge piping is properly aligned so nections are covered.

  • Page 8: Table 2-1. Conditions Indicated On The Trg Meter

    The thermal overload protective devices in the starters should B. Reverse Circulation (4N-7653). be sized for the amperage shown on the Teikoku Type-R (Plan 13-SE) nameplate. Do not size thermal overload protective de- When it is necessary to connect two or more pumps to the same suction and discharge lines, provide gate valves so that any vices in excess of 10% of full load amp rating.

  • Page 9: Figure 2-1. Teikoku Type-R (Plan 13-Se) Trg

    Figure 2-1. Teikoku Type-R (Plan 13-SE) TRG Figure 2-2. Teikoku Type-R (Plan 13-SE) 460 Volt, 3-Phase MAGNETIC CONTACTOR THERMAL OVERLOAD THERMAL OVERLOAD PROTECTIVE DEVICE PROTECTIVE DEVICE FOR TRG WIRES ONLY MAGNETIC CONTACTOR TEIKOKU SUPPLY NOTE: Teikoku Type R motors manufactured for the industrial refrigeration market do not include Thermal Cut-Outs (TCOs).

  • Page 10: Operation

    Teikoku USA recommends monitoring the differential pressure and the power monitor for total protection of the pumps. Teikoku 3.2.1 Setting of Thermal Overload Protective Device recommends using both as differential pressure works best for...

  • Page 11: Figure 3-1. Teikoku Trc Rotation Indicator

    The Type-L TRG Meter A45 C does not provide direction of rotation. The Teikoku TRC-1 hand-held direction of rotation in- dicator is available from Teikoku USA. This portable device can be used to confirm the rotation of any motor. See Appx.
  • Page 12 If the pump appears to be air bound as a result of the unit not being properly primed, do not continue opera- tion. Locate and correct the conditions that prevent proper priming before attempting to start the unit. Teikoku USA | Chempump Instruction Manual HE-10677-P (1018)

  • Page 13: Maintenance

    2. Wear inside of bearing bore. Refer to Figure 4-3 (A-B). impeller bolt, Slide impeller and, if supplied, inducer off rotor shaft. Be careful of small parts that can be lost. 10. Remover impeller key. Teikoku USA | Chempump Instruction Manual HE-10677-P (1018)
  • Page 14 Inspect the inside side of the thrust collar should be positioned facing outboard of the electrical junction box for corrosion and moisture. Teikoku with the chamfer side facing inboard. Slide on the front shaft...

  • Page 15: Figure 4-3. Bearing Wear Limits

    4.5 Service Policy Any Teikoku USA product, damaged or inoperative for any rea- son, can be repaired at the Teikoku service centers at minimal cost and returned to the customer as quickly as possible. Refer to the Pump Repair Receipt Policy in the Appendix.

  • Page 16: Figure 4-5. Type-R (Plan 13-Se) Model Number Indentification Code Example

    1.7 to 2.3 625, 626 526, 529 .071 to .094 1.8 to 2.4 518, 615, 616, 617 * See Figure 4-5 715, 716, 717, 718 725, 726, 727 * See Figure 4-5 Teikoku USA | Chempump Instruction Manual HE-10677-P (1018)

  • Page 17: Table 4-7. Pump Ring Clearance (Standard Horizontal Pump)

    0.036 - 0.052 0.94 - 1.30 1520 W 0.036 - 0.044 0.94 - 1.10 0.036 - 0.052 0.94 - 1.30 0.034 - 0.040 0.86 - 1.00 NOTE: All clearances are values in diameter. Teikoku USA | Chempump Instruction Manual HE-10677-P (1018)

  • Page 18: Appendix

    Appendix A. Quick Start Guide B. Reverse Circulation (4N-7653) C. Troubleshooting D. Sectional View (6A-8901) E. TRC-1 Information Sheet F. Decontamination Form Teikoku USA | Chempump Instruction Manual HE-10677-P (1018)

  • Page 19: Quick Start Guide

    7. Place TRC-1 on motor as per instructions in Appx. F. 3. Verify the reverse circulation piping is per the Teikoku recom- Decontamination Form. mendations as shown in Appendix B. 8. Start pump for 3 to 5 seconds and observe TRC-1 4.

  • Page 20: Reverse Circulation (4N-7653)

    These instructions describe the recommended method for installation of the reverse circulation piping on Teikoku Type-R (Plan 13-SE) pumps, which are specifically designed to handle highly volatile fluids. These instructions also include recommendations for the suction pipe and the bypass pipe.

  • Page 21: Troubleshooting

    C. Troubleshooting Teikoku Type-R (Plan 13-SE) Refrigeration Pump Table C-1. Troubleshooting Problem Probable Cause Suggested Solution Failure to deliver Pump not primed. Reprime pump in accordance with Section 3.2.2 required capacity Air leaks in suction piping. Locate leaks and eliminate.

  • Page 22: Sectional View (6A-8901)

    D. Sectional View (6A-8901) Figure D-1. Sectional View: Teikoku Type-R (Plan 13-SE) Refrigeration Pump Teikoku USA | Chempump Instruction Manual HE-10677-P (1018)

  • Page 23: Trc-1 Information Sheet

    The design of canned motor pumps is such that the rotating element cannot be seen while it is in operation. For this reason, Teikoku supplies an internal rotation indicator with a majority of our pumps. However, there are some instances where this device is not supplied, so we recommend purchasing the TRC-1.

  • Page 24: Decontamination Form

    Attach completed material safety data sheets (MSDS) for these fluids. If either fluid is proprietary, please attach a description of any characteristics that will assist Teikoku USA in safe handling. Without detailed and complete information on the pumped fluid, we will not be able to process your order.
  • Page 25 For pumps with shaft sleeves, complete disassembly will be required to remove trapped fluid. Flush all auxiliary tubing, piping and equipment such as heat exchangers. For any questions on decontamination, contact your Teikoku service representative. See sections "B" through "D" for stator assembly decontamination requirements where a liner breach is suspected.
  • Page 26 If the connection box is to be returned, assure that all components have been decontaminated. D. For all Teikoku pumps, LE stators, G and NC stators with TRG. If a stator liner rupture is suspected, follow this section to flush the stator cavity. Caution: if this step is followed, the motor must be rewound.
  • Page 27 www.teikokupumps.com Pennsylvania Texas Ohio 959 Mearns Road 5889 Bingle Road 27881 State Route 7 Warminster PA 18974 Houston, TX 77092 Marietta, OH 45750 215-343-6000 713-983-9901 740-538-5460 HE-10677-P 0918...

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