Trane SS-PRC003-EN Bedienungsanleitung

Split System Cooling Units

7.5 to 20Tons

Air Handlers

7.5 to 20Tons

50 Hz

Split System

Cooling Units

June 2006

SS-PRC003-EN

©American Standard Inc. 2001 SS-PRC003-EN

Introduction

Split System Cooling Units . . .

Designed With Your Needs In Mind.

TheTrane reputation for quality and

reliability in air conditioning continues

with the Odyssey™ family of light

commercial split systems. Trane paid

attention to your needs to make sure you

get a system that will meet your job

requirements every time...and at a

competitive price.

CoupleTrane’s reputation for quality and

reliability in split system air conditioners

with efficiency, flexibility and installation

ease...and you have systems that will

give you “ Simply the Best Value”.

Manufacturing Control

Trane’s exclusive control over the design

and manufacturing of all major

components is unique in the industry.

This approach assures us total control

over both the quality and reliability of

these components. And allows us to

custom match components to deliver the

best in split system performance.

Designing the Details

Careful attention was given to designing

the details — from control wiring to the

access panels. Odyssey units feature

time-saving colored and numbered

wiring and removable panels which

allow complete access to all major

components and controls. All outdoor

units feature external high and low

pressure switches for easy diagnosing

and servicing of the unit. And service

valves with gauge ports are provided.

Standardized Cabinets

In addition all cabinets have been

standardized; so when you are servicing

an outdoor unit or an air handler all

components are in the same location

from unit to unit.

Filters

TheTWE050, 075, and 100 air handlers

are supplied with 1" (25.4 mm)

throwaway filters as standard.The filter

racks were designed to easily convert for

installation of 2" (50.8 mm) filters.The

TWE155 and 200 air handlers are

supplied with 2" (50.8 mm) filters as

standard.

Rated in Accordance to UL and ARI

Trane meets or exceeds all nationally

recognized agency safety and design

standards. Each condensing unit is

designed in accordance to UL 1995

standards for central cooling air

conditioners, refrigeration and air

conditioning condensing and compressor

units. Each air handler is designed in

accordance to UL 465 and UL 1995

standard for heat pumps. Each unit is

certified in accordance with ARI Standard

340/360 or 365.

3SS-PRC003-EN

Contents

Introduction

Features and Benefits

Application Considerations

Selection Procedure

Model Number Description

General Data

Performance Data

Cooling Performance

Fan Performance

Electrical

Controls

Dimension and Weights

Mechanical Specifications

4SS-PRC003-EN

Features

and Benefits

Condensing Unit Options

The Odyssey split system product line

includes condensing units in single,

unloading and dual compressor

options.

TheTTA075A, 085A and 100A single

compressor models feature single

refrigeration circuitry lowering job

installation costs by requiring only

one set of refrigerant lines.These

units are ideal for the low cost, new

construction jobs as well as

renovation and replacement

buildings.

Equally important, Odyssey offers a

single refrigerant circuit/capacity

unloading option inTTA100C,155C, and

TWE200F condensing units.These

unloading units feature dual

manifolded scroll compressors.They

offer an excellent opportunity for both

new construction and replacement

jobs with two stages of capacity

modulation and a single refrigeration

circuit.

In addition, Odyssey includes a

TTA100B, 125B, 155B, and 200B dual

scroll compressor unit to give true

stand-by protection; if one compressor

fails, the second will automatically

start-up. Also, the first compressor can

be serviced without shutting down the

unit since refrigerant circuits are

independent.

Dual compressors are not just for

protection, they also save energy costs.

Most buildings are designed for the peak

load requirements yet the building

usually operates at less than peak load.

During light load conditions only one

compressor functions to maintain the

space comfort thus reducing the need

for energy.

Trane split systems have been specified

in thousands of applications and you’ll

find Odyssey will win you even more

jobs with it’s smaller, more manageable

cabinet.This lighter, compact design will

save time and money for rigging and

installation. And the compactness will

permitTrane’s unit to replace almost any

unit — effortlessly.

Low Ambient Cooling Operation

Each condensing unit can operate to

50°F (10°C) as standard. An accessory

Head Pressure Control gives you the

capability to operate to 0 F (-17.8°C). All

condensing units offer these accessories:

•Head Pressure Control

•Coil Guard Kits

•Isolators both Rubber-in-Shear and

SpringType

•Anti-Short-Cycle Kit

•Time Delay Relay

•Black Epoxy Coated Coil

Air Handlers Offer More Flexibility

Flexibility is a key to meeting changing

market requirements. Odyssey split

systems offer not only various

compressor options but also convertible

air handlers.The air handlers can be

installed either vertically in a mechanical

room or horizontally above a ceiling. And

it doesn’t require any removal of panels

to make either airflow application work.

These air handlers have a double sloped

condensate drain pan that allows for

either airflow configuration. And the

drain pan can easily be removed for

cleaning. All the air handlers feature

factory-installed belt drive and ball

bearing evaporator fans with adjustable

sheaves for maximum airflow

performance.

5SS-PRC003-EN

Features

and Benefits

Odyssey — A Complete Split

System

Odyssey delivers the flexibility to select

a complete system that meets your

particular job requirements. Air

handlers are designed, tested, and

rated with outdoor units to let you

select the proper match between

capacity and load. Heat pumps can also

be matched withTrane built-up air

handlers. Also, these matched systems

can be quickly engineered for specific

applications usingTrane’s computerized

selection and load programs.

Odyssey air handler versatility is further

increased by a complete line of

accessories designed to match and install

smoothly:

•Discharge Plenum and Grille

•Return Grille

•Subbase

•Electric Heaters

•High Static Evaporator Motor

•Isolators both Rubber-in-Shear and

SpringType

•A Full Line of Thermostats

•OutdoorThermostat

Odyssey Lowers

Installation Costs

Your installation costs are reduced with

Odyssey. Both outdoor units and air

handlers are factory packaged and

assembled so jobsite installation is quick

and easy.You get a complete unit with all

the components, controls and the internal

wiring factory ready for a smooth jobsite

start-up.

Unlike some competitive models the

following components are factory-

installed inTrane air handlers:

lSingle Point Power Entry

lBlower wheel and housing

lEvaporator motor with

sheaves and pulleys

lLow VoltageTerminal Board

lTransformer

lContactor

lFan relay

lDX Coil with complete

refrigeration circuitry

lExpansion Valve and

Check Valves

There’s no need to install components

and put together the air handler on the

job.This provides you with less labor cost

and fewer chances for installation errors

which cause callbacks. All this means

saving you money both in replacement

and new construction applications.

(Most Models)

6SS-PRC003-EN

Micro Controls

Several years ago,Trane was the first to

introduce microprocessor controls into

the Light Commercial Market.That

design, along with immeasurable

experience, has provided the technology

forTrane’s second-generation ReliaTel™

microprocessor controls in Odyssey split

unit systems — the first in the industry.

ReliaTel™ Micro:

• Provides unit control for heating and

cooling, by utilizing input from sensors

that measure indoor temperature.

• Improves quality and reliability through

the use of time-tested microprocessor

controls and logic.

• Prevents the unit from short cycling,

considerably improving compressor

life.

• Ensures that the compressor will run for

a specific amount of time, which allows

oil to return for better lubrication,

enhancing the reliability of the

compressor.

• Reduces the number of components

required to operate the unit, thereby

reducing possibilities for component

failure.

• Eliminates the need for field-installed

components with its built-in anti-short-

cycle timer, time delay relay and

minimum ‘’on’’ time controls.These

controls are factory tested to assure

proper operation.

• Requires no special tools to run the unit

through its paces during testing. Simply

place a jumper betweenTest 1 andTest

2 terminals on the Low VoltageTerminal

Board and the unit will walk through its

operational steps.The unit

automatically returns control to the

zone sensor after stepping through the

test mode a single time, even if the

jumper is left on the unit.

• As long as the unit has power and the

LED is lit, the Micro is operational.The

light indicates that the Micro is

functioning properly.

• Features expanded diagnostic

capabilities when used withTrane’s

Integrated ComfortTM Systems.

• As an energy benefit, softens electrical

‘’spikes’’ by staging on fans,

compressors and heaters.

• The Intelligent Fallback or Adaptive

Control is a benefit to the building

occupant. If a component goes astray,

the unit will continue to operate at

predetermined temperature set points.

• Intelligent Anticipation is a standard

feature of the Micro. Functioning

constantly, the Micro and zone sensors

work together in harmony, to provide

tight comfort control.

Electromechanical Controls

•For the simpler job that does not

require a building automation system,

or expanded diagnostics capabilities,

the unit offers electromechanical

controls. This 24-volt control includes

the control transformer, contactor

pressure lugs for power wiring.

Features and

Benefits

7SS-PRC003-EN

VariTrac™

Vari Trac

WhenTrane’s changeover VAV System

for light commercial applications is

coupled with split unit systems, it

provides the latest in technological

advances for comfort management

systems and can allow thermostat

control in every zone served by VariTrac.

• We perform a 100% coil leak test at the

factory.The evaporator and condenser

coils are leak tested at 375 psig and

pressure tested to 660 psig.

• All parts are inspected at the point of

final assembly. Sub-standard parts are

identified and rejected immediately.

• Every unit receives a 100% unit run test

before leaving the production line to

make sure it lives up to rigorousTrane

requirements.

We test designs at our factory not on our

customers!

Quality And ReliabilityTesting

•All units were rigorously rain tested at

the factory to ensure water integrity.

• Actual shipping tests were performed

to determine packaging requirements.

Units were test shipped around the

country to determine the best

packaging.

• Factory shake and drop tests were

used as part of the package design

process to help assure that the unit

arrives at the job site in top condition.

• Rigging tests include lifting a unit into

the air and letting it drop one foot,

assuring that the lifting lugs and rails

hold up under stress.

Features and

Benefits

8SS-PRC003-EN

Application

Considerations

Low Ambient Cooling

As manufactured, these units can

operate to 50° F (10°C) in the cooling

mode of operation. An accessory head

pressure control will allow operation to

0° F (-17.8°C) outdoor ambient. When

using these units with control systems

such as bypass changeover Variable Air

Volume, make sure you consider the

requirement for a head pressure control

to allow low ambient cooling.

Application of this product should be

within the catalogued airflow and

performance considerations.

Clearance Requirements

The recommended clearances identified

with unit dimensions should be

maintained to assure adequate

serviceability, maximum capacity and

peak operating efficiency. Actual

clearances which appear inadequate

should be reviewed with the localTrane

Representative.

180° Blower Rotation

TheTWE050, 075, and 100 air handler

blower section can be rotated 180° to

change the discharge pattern.This

modification must be done in the field

and requires an addition of kit. See unit

installer's guide.

Typical Split System Application

Typical Horizontal Air Handler Application

ATTACHING

TypicalVertical Air Handler Application

DISCHARGE PLENUM

AND GRILL ASSEMBLY

HEATING COIL AND

ENCLOSURE ASSEMBLY

AIR HANDLER

RETURN AIR GRILLE

SUB-BASE

ISOLATORS

(SPRING OR RUBBER)

VERTICAL DRAIN

HORIZONTAL

DRAIN

9SS-PRC003-EN

Selection

Procedure

Cooling Capacity

Step 1 — Calculate the building’s total

and sensible cooling loads at design

conditions. Use theTrane calculation

form or any other standard accepted

method.

Step 2 — Size the equipment usingTable

PD-1. Match the cooling loads at design

conditions.

Example:The following are the building

cooling requirements

Electrical Characteristics: 380-415/50/3

Summer Design Conditions: Entering

Evaporator Coil: 80 DB/67 WB

(27 DB/19 WB C)

Outdoor Ambient: 95° F (35° C)

Total Cooling Load: 75 MBh (22 kW)

Sensible Cooling Load: 53 MBh

(15.5 kW)

Airflow: 3000 cfm (5097 m3/h)

External Static Pressure: 0.77 in.

(192.5 Pa)

Table PD-1 shows that aTTA075A

matched with aTWE075A has a gross

cooling capacity of 86.5 MBh (25.3 kW)

and 64.4 MBh (18.8 kW) sensible

capacity at 95 DB (35° C) ambient and

3000 cfm (5097 m3/h) and 80 DB/67 WB

(27 DB/19 WB) air entering the

evaporator.

To find the net cooling capacities, fan

motor heat must be subtracted.

Determine the total unit static pressure:

In. Pa

External Static 0.77 193

Standard Filter 0.10 25

Supplementary

Electric Heat 0.23 57

Total Static Pressure 1.10 275

Note:The Evaporator Fan Performance

Table has included the effect of a 1 in.

(250 Pa) filter already.Therefore, the

actualTotal Static Pressure is 1.10 - 0.10 =

1.00 in. (275 - 25 = 250 Pa).

With 3000 cfm (5097 m3/h) and 1.00

inches (250 Pa), Table PD-29 shows a

1.17 bhp (0.8 kW).

Note:The formula below the table can

be used to calculate Fan Motor Heat,

3.5 x Bhp = MBh

3.5 x 1.17 = 4.10 MBh

(1.375 x (kW) = kW)

(1.375 x 0.8 = 1.1 kW)

NetTotal Cooling Capacity =

86.5 MBh – 4.10 = 82.4 MBh

18.8 - 1.1 = 17.7 kW

Net Sensible Cooling Capacity =

64.4 MBh – 4.10 = 60.3 MBh

25.3 - 1.1 = 24.2 kW

Heating Capacity

Step 1 — Calculate the building heating

load.

Step 2 — Size the system heating

capacity to match the calculated building

heating load.The following are building

heating requirements:

Total Heating Load at 97.0 MBh (28.4 kW)

3000 cfm (5097 m3/h)

Electric Supplementary Heaters

Table PD-39, the 34.88 kW heater has a

capacity of 119,045 btu. FromTable

ED-5, the 34.88 kW indicates the heater

model number is BAYHTRL435A.This

heater will adequately cover the

building’s heating requirement.

Air Delivery Selection

External static pressure drop through

the air distribution system has been

calculated to be 0.77 inches (192.5 Pa) of

water gauge. FromTable PD-38 static

pressure drop through the electric

heater is 0.23 inches (57.5 Pa) of water

(0.77 + 0.23 = 1.00 in.) (192.5 + 57.5 = 250

Pa). EnterTable 39-1 forTWE075AD at

3000 cfm (5097 m3/h) and 1.00 static

pressure (250 Pa).The standard motor at

821 rpm will give the desired airflow.

10 SS-PRC003-EN

Model

Number

Description

Digit 9, 10 - Factory - Installed Options

00 = Packed Stock

0S = Black Epoxy Coated Coil

0R = ReliaTel™ Controls

0T = ReliaTel Controls with Black Epoxy

Coated Coil

0U = ReliaTel Controls with LonTalk

Communications Interface (RLCI)

0W = ReliaTel Controls with LonTalk®

Communications Interface (RLCI)

and Black Epoxy Coated Coil

Digit 8 - Electrical Characteristics

D = 380-415/50/3

Split System Condensing Unit Model Nomenclature

Digits 4, 5, 6 - Nominal Gross Cooling

Capacity (MBh)

075 = 75

085 = 85

100 = 100

155 = 15 5

200 = 200

Digit 7- Major Development Sequence

A = 1 Refrigerant Circuit (R22)

B = 2 Refrigerant Circuits (R22)

C = Manifold Scroll Compressors (R22)

D = 1 Refrigerant Circuit (R410A)

E = 2 Refrigerant Circuits (R410A)

F = Manifold Scroll Compressors

(R410A)

Digit 11- Minor Design Sequence

B = Second

TT A 120 A 4 0 0 E A

12 3 456 7 8 910 11 12

Digits 1, 2, 3 - Product Type

TTA = Split System Cooling

Digit 12- Service Digit

A = First

Air Handler Model Nomenclature

Digit 9, 10 - Factory - Installed Options

00 = Packed Stock

Digits 1, 2, 3 - Product Type

TWE = Split System Heat

Pump/Cooling Air Handler

Digits 4, 5, 6 - Nominal Gross Cooling

Capacity (MBh)

050 = 50

075 = 75

100 = 100

155 = 150

200 = 200

Digit 7- Refrigerant Circuit

A = 1 Refrigerant Circuit (R22)

B = 2 Refrigerant Circuits (R22)

D = 1 Refrigerant Circuit (R410A)

E = 2 Refrigerant Circuits (R410A)

Digit 12- Service Digit

A = First

Digit 11- Minor Design Sequence

E = Current Design Sequence

TWE 090 A 1 0 0 E A

12 3 456 7 8 910 11 12

Digit 8 - Electrical Characteristics

0 = 380-415/3/50

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