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Scroll Liquid Chillers Model CGWF and CCAF 20 to 60 T ons (60 Hz) 17 to 50 T ons (50 Hz) W ater -Cooled and Condenserless CG-PRC012-EN January 2004 Built For the Industrial and Commercial Markets.
CG-PRC012-EN © 2004 American Standard Inc. All rights reserved. Introduction More Than Just Another “Improved” Chiller — Advanced Design — Better Reliability — Superior Efficiency — New C.
3 CG-PRC012-EN Contents Introduction Features and Benefits W orld Class Efficiency and Reliability Options Controls Application Considerations Model Number General Data Selection Procedure Performance.
CG-PRC012-EN 4 The standard ARI rating condition (54/44°F and 85°F/3.0 gpm per ton) and IPL V are ARI certified. All other ratings, including the following, are outside the scope of the certification program and are excluded: • Glycol. • 50 Hz. • Condenserless models CCAF .
5 CG-PRC012-EN Leading in Efficiency and Reliability with State-Of-The-Art Scroll Compressor T echnology Efficiency The energy efficiency of the scroll chiller results in energy costs lower than any other comparable chiller .
CG-PRC012-EN 6 T rane Scroll Compressor — Maximum Efficiency with Enhanced Reliability General The scroll compressor has two scrolls. The top scroll is fixed and the bottom scroll orbits. Each scroll has walls in a spiral shape that intermesh. Inlet-First Orbit As the bottom scroll orbits, two refrigerant gas pockets are formed and enclosed.
7 CG-PRC012-EN Options Hot Gas Bypass: Hot gas bypass option allows unit operation below the minimum step of unit unloading. The regulator valve, along with all associated refrigerant piping and electrical wiring, are factory installed and tested on one refrigeration circuit.
CG-PRC012-EN 8 Controls Human Interfaces The T rane water-cooled 20-60 ton scroll CGWF chiller offers an easy-to-use operator interface panel, the DynaView .
9 CG-PRC012-EN Controls Easy Interface to A Generic Building Management System Controlling the scroll CGWF chiller with building management systems is state- of-the-art, yet simple with either the LonT alk Communications Interface for Chillers (LCI-C) or Generic Building Management System Hardwire Points.
CG-PRC012-EN 10 Controls T racer Summit controls — Interface With The T rane Integrated Comfor t System (ICS) T rane Chiller Plant Control The T racer Summit Chiller Plant Building Management System with Chiller Plant Control provides building automation and energy management functions through stand-alone control.
11 CG-PRC012-EN Controls Keeping Operators Informed A crucial part of efficiently running a chiller plant is assuring that the operations staff is instantly aware of what is happening in the plant.
CG-PRC012-EN 12 Unit Location Units should be installed indoors where exposure to rain or water splash is minimal. A level foundation or flooring must be provided which will support at least 150 percent of the operating weight of the unit. The chiller foundation must be rigid to reduce vibration transmission to a minimum.
13 CG-PRC012-EN Model Number Description Digits 01, 02, 03, – Chiller series CGWF = W ater cooled scroll chiller CCAF = Scroll compressor chiller (condenserless) Digits 04, – Development sequence .
CG-PRC012-EN 14 T able GD-1. General data — CGWF water-cooled chiller Size 20 25 30 40 50 60 Compressor Quantity (1) 2 2 2 2/2 2/2 2/2 Nominal Size (tons) (2) 10/10 10/1 5 15/15 10-10/10 -10 10 -15/.
15 CG-PRC012-EN Selection Procedures The chiller capacity tables on the following pages cover the most frequently encountered leaving water temperatures. For temperature drops other than 10°F [5.6°C], refer to T able SP-1, Performance Adjustment Factors, shown below .
CG-PRC012-EN 16 T able PD-1. 60 Hz CGWF performance data in English units Evapo rator Enter ing Condenser Water T emperature (F) Leaving Water Unit 75 80 85 90 95 T emperature (F) Size T ons kW E ER T ons kW E ER T ons kW E ER T ons kW EE R T ons kW EER 20 19.
17 CG-PRC012-EN T able PD-2. 60 Hz CGWF performance data in Metric units Evapo rator Entering Condenser Water T emperature (C) Leaving Water Unit 25 30 35 T emperature (C) Size kWo kWi COP kWo k Wi C OP kW o k Wi COP 20 70.4 14.2 5.0 67.7 15.5 4.4 64.
CG-PRC012-EN 18 T able PD-3. 50 Hz CGWF performance data in English units Evapo rator Enter ing Condenser Water T emperature (F) Leaving Wate Unit 75 80 85 90 95 T emperature (F) Size T ons kW E ER T ons kW E ER T ons kW E ER T ons kW EE R T ons kW EER 20 19.
19 CG-PRC012-EN T able PD-4. 50 Hz CGWF performance data in Metric units Evapo rator Entering Condenser Water T emperature (C) Leaving Water Unit 25 30 35 T emperature (C) Size kWo kWi COP kWo kWi COP kWo kWi CO P 20 70.4 14.2 5.0 67.7 15.5 4.4 64.7 17.
CG-PRC012-EN 20 T able PD-7. 60 Hz CCAF performance data in English units Evapo rator Entering Condenser Air T emperature (F) Leaving Water Unit Condenser 85 95 105 115 T emperature (F) Size Si ze T ons kW EER T ons kW EER T ons kW EER T ons kW EER 20 CAUC-C20 19.
21 CG-PRC012-EN T able PD-8. 60 Hz CCAF performance data in English units Evapo rator Entering Condenser Air T emperature (F) Leaving Water Unit Condenser 85 95 105 115 T emperature (F) Size Siz e T ons kW EER T o ns kW EER T ons kW EER T on s kW EER 20 CAUC-C20 21.
CG-PRC012-EN 22 T able PD-9. 60 Hz CCAF performance data in Metric units Evapo rator Entering Condenser Air T emperature (C) Leaving Water Unit Condenser 30 35 40 45 T emperature (C) Size Size k Wo k Wi COP kWo kWi COP kWo kW i CO P kWo kWi COP 20 CAUC-C20 69.
23 CG-PRC012-EN T able PD-5. Part-load per formance for CGWF 20-60 ton – 60 Hz in English units Unit Size 100% IPL V T ons 19.9 20 kW 15.2 20.3 EER 15.5 T ons 24.5 25 kW 19.0 20.5 EER 15.4 T ons 29.2 30 kW 22.8 20.3 EER 15.3 T ons 39.4 40 kW 30.1 20.
CG-PRC012-EN 24 Figure P AF-1. Ethylene glycol performance adjustment factors Figure P AF-2. Propylene glycol performance adjustment factors Adjustment Factors Performance Data.
25 CG-PRC012-EN T able P AF-1. Pressure drop correction factor Leaving W at er Percent of Ethylene Glycol T emperature 0 10 20 30 40 50 0 NA NA NA NA 1.50 1.60 10 NA NA NA 1.38 1.46 1.55 20 NA NA 1.26 1.34 1.42 1.51 30 NA 1.15 1.22 1.30 1.38 1.47 40 1.
CG-PRC012-EN 26 Performance Data Chart PD-1. CGWF evaporator Chart PD-2. CGWF condenser Pressure Drops.
27 CG-PRC012-EN Electrical Data and Connections T able E-1. Electrical data for CGWF water-cooled chillers Unit W iring D ata Compressor Controls Unit Rated Minimum Maximum Recommended RLA LRA Size V oltage Circuit Ampaci ty Fuse Size Dual Element Fuse Size Quantity Each Each kW 208-230/60 77 110 100 34 251 0.
CG-PRC012-EN 28 Electrical Data and Connections T ypical Wiring Diagram.
29 CG-PRC012-EN Electrical Data and Connections T ypical Wiring Diagram.
CG-PRC012-EN 30 Electrical Data and Connections Field Layout.
31 CG-PRC012-EN Electrical Data and Connections Field Layout.
CG-PRC012-EN 32 Dimensional Data Size A B C D E F G H 20 T on 2 " 8 1/2" 4 '-8" 1'-3 3/8" 4 1/8" 8 5/8" 5 5/8" 2' 7 3/8" (51) (216) (1423) (391) .
33 CG-PRC012-EN CGWF 40-50 T o n Size A B C D E 40 T o n 2 1/2" 1'-3 3/4" 6'-5 1/2" 1'-4 1/4" 4 3/8" (64) (400) (1968) (413) (111) 50 T o n 3" 1'-3 1/2" 6'-5" 1'-6 1/8" 2 1/2" (76) (394) (1956) (480) (64) Notes: 1.
CG-PRC012-EN 34 CGWF 60 T o n Dimensional Data.
35 CG-PRC012-EN English Dimensions Unit Size A B C D E F 20 T o n 8 1/2” 3’-11 1/2” 2” 2’-0” 1’-3 1/2” 3’-3 ” 25 T o n 8 1/2” 3’-11 1/2” 2” 1’-11 3/4” 1’-3 1/2” 3.
CG-PRC012-EN 36 English Dimensions Unit Size A B C D E F 40 T o n 5’-1 3/4” 1’-3 3/4” 1’-11 1/4” 2 1/2” 3’- 5” 1’-4 1/4” 50 T o n 5’-1 1/2” 1’-3 1/2” 2’-1 1/8” 3” 3.
37 CG-PRC012-EN T able W-1. Weights, CGWF chillers Unit 20 25 30 40 50 60 Oper ating W t. (pounds) 1694 1757 2249 2746 2977 3905 (kilogram) 768 797 1020 1246 1350 1771 Ship ping W t. (pounds) 1522 1600 2014 2366 2626 3376 (kilogram) 690 726 914 1073 1191 1531 T able W-2.
CG-PRC012-EN 38 General All scroll chillers are factory tested and monitored for power and control operation (CGWF only). CGWF units ship with a full operating charge of refrigerant and oil. CCAF units ship with a full operating charge of oil. Exposed surfaces are painted with an air -dry beige primer -finisher prior to shipment.
39 CG-PRC012-EN Mechanical Specifications DynaView Panel Factory-mounted to the control panel door , the operator interface has an LCD touch-screen display for operator input and information output.
T rane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. Literature Order Number File Number Supersedes Stocking Location T rane A business of American Standard Companies www .
Ein wichtiger Punkt beim Kauf des Geräts Trane CGWF (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Trane CGWF noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Trane CGWF - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Trane CGWF reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Trane CGWF erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Trane CGWF besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Trane CGWF verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Trane CGWF. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Trane CGWF gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
