Trane PRGD series Installation, Operation And Maintenance Manual
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Trane PRGD series Installation, Operation And Maintenance Manual

Trane PRGD series Installation, Operation And Maintenance Manual

Earthwise purge system with tracer adaptiview control for water-cooled centravac chillers with r-123 refrigerant
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Installation, Operation,
and Maintenance
EarthWise™ ™ Purge System with Tracer® ®
AdaptiView™ ™ Control for Water-Cooled CenTraVac™ ™
Chillers with R-123 Refrigerant
PRGD
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and
air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered
equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the
literature and on the tags, stickers, and labels that are attached to the equipment.
July 2017
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
P P R R G G D D - - S S V V X X 0 0 1 1 F F - - E E N N
X39641072060

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Summary of Contents for Trane PRGD series

  • Page 1 Installation, Operation, and Maintenance EarthWise™ ™ Purge System with Tracer® ® AdaptiView™ ™ Control for Water-Cooled CenTraVac™ ™ Chillers with R-123 Refrigerant PRGD X39641072060 S S A A F F E E T T Y Y W W A A R R N N I I N N G G Only qualified personnel should install and service the equipment.
  • Page 2 A A L L W W A A Y Y S S r r e e f f e e r r t t o o a a p p p p r r o o p p r r i i a a t t e e M M a a t t e e r r i i a a l l S S a a f f e e t t y y impact to the environment. Trane advocates the...
  • Page 3 S S a a f f e e t t y y ( ( E E H H S S ) ) p p o o l l i i c c i i e e s s w w h h e e n n p p e e r r f f o o r r m m i i n n g g w w o o r r k k property of Trane, and may not be used or reproduced s s u u c c h h a a s s h h o o t t w w o o r r k k , , e e l l e e c c t t r r i i c c a a l l , , f f a a l l l l p p r r o o t t e e c c t t i i o o n n , , in whole or in part without written permission.

  • Page 4: Table Of Contents

    Table of Contents EarthWise Purge System Nameplate ..5 Purge Settings ..... . . 24 Manual Control Settings .

  • Page 5: Earthwise Purge System Nameplate

    EarthWise Purge System Nameplate Each Trane EarthWise™ purge system is assigned a for detailed information). The model number is also alphanumeric model number that identifies the printed on the unit nameplate. It is important to refer to operating components and option for that specific unit...

  • Page 6: Number

    EarthWise Purge System Model Number Digit 1, 2, 3 — Unit Type PRG = Purge Digit 4 — Development Sequence A = First Generation B = Second Generation C = Third Generation D = Fourth Generation Digit 5 — Enclosure Type A = Standard B = NEMA 4 C = NEMA 4 with Hersite Condensing Unit...

  • Page 7: Purge System Overview

    • Operations Guide: Tracer AdaptiView Display for This guide describes the operation and maintenance of Water-cooled CenTraVac Chillers (CTV-SVU01*-EN) a Trane® EarthWise™ purge system with Tracer® • Getting Started Guide: Tracer TU Service Tool AdaptiView™ controls. Tracer® AdaptiView™ controls (TTU-SVN01*-EN) include the Tracer®...

  • Page 8: Refrigeration Circuit Subsystem

    P P u u r r g g e e S S y y s s t t e e m m O O v v e e r r v v i i e e w w – Exhaust solenoid valve tank.
  • Page 9 P P u u r r g g e e S S y y s s t t e e m m O O v v e e r r v v i i e e w w Figure 2. Components of a Trane EarthWise purge system (front view) 1.
  • Page 10 P P u u r r g g e e S S y y s s t t e e m m O O v v e e r r v v i i e e w w Figure 3. Components of a Trane EarthWise purge system (back view) 1.

  • Page 11: Purge Tank Subsystem

    P P u u r r g g e e S S y y s s t t e e m m O O v v e e r r v v i i e e w w Purge Tank Subsystem Carbon Tank and Regeneration Subsystem Any non-condensables that have accumulated from the...
  • Page 12 P P u u r r g g e e S S y y s s t t e e m m O O v v e e r r v v i i e e w w the controller activates the pump-out cycle to •...

  • Page 13: Sequence Of Operations

    Sequence of Operations A Tracer® UC800 controller that is configured to The Adaptive mode requires historical operating data control a purge system uses the operational sequences so that the controller can make optimal decisions described in this section. regarding how to run the purge refrigeration circuit in the future.

  • Page 14: Adaptive Mode Procedure-Chiller

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s Figure 4.
  • Page 15 S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s If the chiller compressor is turned Off, the purge •...

  • Page 16: Typical Purge Refrigeration Circuit

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s Typical Purge Refrigeration During the purge refrigeration circuit Off cycle, the time remaining is displayed as the Time Until Next Purge...

  • Page 17: Air Removal

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s collected in the purge tank limits the available condensables are removed from the purge tank, the condensing surface in the tank, the condensing-unit...

  • Page 18: Pump-Out Operating Sequence

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s Figure 8.

  • Page 19: Cycle

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s the purge refrigerant exiting the coil.

  • Page 20: Establishing A Daily Pump-Out Limit

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s Figure 9.

  • Page 21: Carbon Tank And Regeneration

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s before making a decision to shut down the chiller for For example, an R-123-equipped chiller that has leak testing and repair.
  • Page 22 S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n s s 2.

  • Page 23: Operator Interface

    Operator Interface The Tracer® AdaptiView™ display, which is mounted • P P u u m m p p o o u u t t C C h h i i l l l l e e r r O O n n — — 7 7 D D a a y y s s . . Indicates the on the side of the chiller, allows you to monitor chiller percentage of the total purge pump-out time during status and make changes to its operation, including the...

  • Page 24: Settings

    O O p p e e r r a a t t o o r r I I n n t t e e r r f f a a c c e e • R R e e f f r r i i g g e e r r a a t t i i o o n n C C i i r r c c u u i i t t O O n n . . Appears if the purge •...

  • Page 25: Maintenance

    Maintenance Maintenance requirements for an EarthWise™ purge b. A problem exists with the purge heat transfer system with Tracer® AdaptiView™ control are circuit (such as the condensing unit, expansion described in this section. To ensure efficient and device, or purge evaporator coil). reliable purge operation, perform all inspections and c.

  • Page 26: Inspecting The Moisture Indicator

    M M a a i i n n t t e e n n a a n n c c e e 3. Drain the filter-drier of liquid refrigerant prior to filter-drier and slide it out from the adjacent tubing. opening.

  • Page 27: Maintaining The Moisture-Indicating

    M M a a i i n n t t e e n n a a n n c c e e Table 1. R-123 refrigerant moisture content as I I m m p p o o r r t t a a n n t t : : Do NOT bypass or remove the pump-out determined by moisture indicator restrictor of the EarthWise ™...

  • Page 28: Troubleshooting

    Troubleshooting Use this section to assist you in diagnosing operational W W A A R R N N I I N N G G problems with the purge system. H H o o t t S S u u r r f f a a c c e e ! ! W W A A R R N N I I N N G G F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w i i n n s s t t r r u u c c t t i i o o n n s s b b e e l l o o w w c c o o u u l l d d r r e e s s u u l l t t i i n n R R e e f f r r i i g g e e r r a a n n t t u u n n d d e e r r H H i i g g h h P P r r e e s s s s u u r r e e ! !
  • Page 29 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g Table 2. Troubleshooting a purge system (continued) Diagnostic or Problem Cause Solution The carbon tank temperature...

  • Page 30: Diagnostic Procedure

    T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g Table 2. Troubleshooting a purge system (continued) Diagnostic or Problem Cause Solution Check carbon tank for restriction, check solenoid valves for restriction,...

  • Page 31: Determining Proper Expansion Valve

    During chiller operation, non-condensables Operation accumulate in the coolest, calmest spot in the condenser above the liquid level. On a Trane® The purpose of the expansion valve is to regulate chiller this location is typically just under half-way refrigerant flow so that a constant pressure is up the condenser shell above the condenser sump.

  • Page 32: Exhaust Circuit Pressure Check

    T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g you can observe and confirm that the pump-out the exhaust solenoid valve re-closes. compressor starts and the exhaust solenoid opens.

  • Page 33: Specifications

    Specifications An EarthWise™ purge system has the specifications shown in the following table: 115 Vac, 60 Hz, 1-phase, 10.3 A Electrical power requirements 110 Vac, 50 Hz, 1-phase, 10.3 A Voltage range is +10%, -15% Purge compressor motor rated-load ampacity 8 RLA Total unit ampacity 10.3 A...

  • Page 34: Schematic Wiring Diagram

    Schematic Wiring Diagram EarthWise Purge System with N N O O T T I I C C E E Tracer AdaptiView Controls U U s s e e C C o o p p p p e e r r C C o o n n d d u u c c t t o o r r s s O O n n l l y y ! ! F F a a i i l l u u r r e e t t o o u u s s e e c c o o p p p p e e r r c c o o n n d d u u c c t t o o r r s s c c o o u u l l d d r r e e s s u u l l t t i i n n W W A A R R N N I I N N G G e e q q u u i i p p m m e e n n t t d d a a m m a a g g e e a a s s t t h h e e e e q q u u i i p p m m e e n n t t w w a a s s n n o o t t...
  • Page 35 S S c c h h e e m m a a t t i i c c W W i i r r i i n n g g D D i i a a g g r r a a m m PRGD-SVX01F-EN...
  • Page 36 S S c c h h e e m m a a t t i i c c W W i i r r i i n n g g D D i i a a g g r r a a m m PRGD-SVX01F-EN...
  • Page 37 N N o o t t e e s s PRGD-SVX01F-EN...
  • Page 38 N N o o t t e e s s PRGD-SVX01F-EN...
  • Page 39 N N o o t t e e s s PRGD-SVX01F-EN...
  • Page 40 ® , Thermo King ® Trane ® — work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; and increase industrial productivity and efficiency. We are a global business committed to a world of sustainable progress and enduring results.

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