Trane GETB User Manual

Installation
Owner
Diagnostics

Vertical Stack

Water-Source Heat Pump
Model GETB

Models

GETB

009-036
009-036

“A” and later Design Sequence

– 60 HZ
– 50 HZ

WSHP-SVN08B-ENFebruary 2006

Notice

NOTICE:

Warnings and Cautions appear at appropriate sections throughout this manual.
Read these carefully.

WARNING – Indicates a potentially hazardous situation

!

which, if not avoided, could result in death or serious
injury.

!

CAUTION – Indicates a potentially hazardous situation
which, if not avoided, may result in minor or moderate
injury. It may also be used to alert against unsafe practices.

CAUTION – Indicates a situation that may result in
equipment or property-damage-only accidents.

Important!

Equipment is shipped FOB (Free on Board) at the
manufacturer. Therefore, freight claims for damages
against the carrier must be initiated by the receiver.

NOTICE:

Unit contains HCFC (R-22) Refrigerant

Instructions!

Section 608, Paragraph C of the 1990 Clean Air Act states:
Effective July 1, 1992, it shall be unlawful for any person, in course of

maintaining, servicing, repairing, or disposing of an air conditioning system, to
knowingly vent or release any CFC or HCFC refrigerant. Minimal releases (air
purges or refrigerant hoses) associated with good faith attempts to recapture or
recycle are exempt from the ban on venting.

Responsible Refrigerant Practices!

Trane believes that responsible refrigerant practices are important to the
environment, our customers, and the air conditioning industry. All technicians
who handle refrigerants must be certified. The Federal Clean Air Act (Section 608)
sets forth the requirements for handling, reclaiming, recovering and recycling of
certain refrigerants and the equipment that is used in these service procedures.
In addition, some states or municipalities may have additional requirements that
must also be adhered to for responsible management of refrigerants. Know the
applicable laws and follow them.

© 2006 American Standard Inc All rights reserved WSHP-SVN08B-EN

Contents

Installation/Startup/Commissioning

Pre-installation Checklist

General Information

Dimensions/Weights

Installation Instructions

Electrical Requirements

Pre-Startup Checklist

Startup/Commissioning

Sequence of Operation

Operating Pressures

Startup Checklist & Log

Maintenance

4

4

5

6

9

18

19

20

20

21

24

25

Warranty Information

Troubleshooting Checklist

Unit Wiring

WSHP-SVN08B-EN 3

26

27

29

Pre-installation
Checklist

!

WARNING

Fiberglass Wool!

Product contains fiberglass wool. Disturbing the insulation in this
product during installation, maintenance or repair will expose you to
airborne particles of glass wool fibers and ceramic fibers known to the
state of California to cause cancer through inhalation. Glass wool fibers
may also cause respiratory, skin or eye irritation.

Jobsite Inspection

Always perform the following checks before accepting a unit:

1. Verify that the nameplate data matches the data on the sales order and bill of
lading (including electrical data).

2. Verify that the power supply complies with the unit nameplate specifications.

3. Visually inspect the exterior of the unit, for signs of shipping damage. Do not

sign the bill of lading accepting the unit(s) until inspection has been com­pleted. Check for damage promptly after the unit(s) are unloaded. Once the
bill of lading is signed at the jobsite, the unit(s) are now the property of the
SOLD TO party and future freight claims MAY NOT be accepted by the freight
company.

4. Verify that the refrigerant charge has been retained during shipment by use
of gauges. Schrader taps are located external to the cabinet on the 2-ton
through 6-ton equipment.

5. After assuring that charge has been retained, reinstall the schrader caps to
assure that refrigerant leakage does not occur.

CAUTION
Microbial Growth!

Wet interior unit insulation can become an amplification site for
microbial growth (mold), which may cause odors and damage to the
equipment and building materials. If there is evidence of microbial
growth (mold) on the interior insulation, the insulation should be
removed and replaced prior to operating the system.

Jobsite Storage

This unit is intended for indoor use only. To protect the unit from damage due to
the elements, and to prevent possible IAQ contaminant sources from growing,
the unit should be stored indoors. If indoor storage is not possible, the following
provisions for outdoor storage must be met:

1. Place the unit(s) on a dry surface or raise above the ground to assure ade­quate air circulation beneath the unit.

2. Cover the unit(s) with a water proof tarp to protect them from the elements.

3. Make provisions for continuous venting of the covered units to prevent
moisture from standing on the unit(s) surfaces. Wet interior unit insulation
can become an amplification site for microbial growth (mold) which has
been determined to be a cause of odors and serious health related indoor air
quality problems.

4. Store refrigeration units (chassis) units in the normal UP orientation to main­tain oil in the compressor. Cabinet configurations may be stored as crated.

5. Do not stack units.

4 WSHP-SVN08B-EN

General
Information

Unit Nameplate

The unit nameplate is located at the
front of the unit. It includes the unit
model number, serial number, electri­cal characteristics, refrigerant charge,
and other pertinent unit data.

Compressor Nameplate

The nameplate for the compressors
are located on the compressor shell.

Unit Description

Before shipment, each unit is leak test­ed, dehydrated, charged with refriger­ant and run tested for proper control
operation.

Water-to-Refrigerant Coils

The co-axial water-to-refrigerant heat
exchanger for the 3/4-ton through 3­ton equipment is constructed of cop­per or cupro-nickel (option) for the wa­ter section and stainless steel for the
refrigeration section.

The heat exchanger is leak tested to
assure there is no cross leakage be­tween the water and refrigerant gas.

Water Connections

1/2" or 3/4" water connections are lo­cated on the chassis’s upper section
and clearly labeled for water-in/out
hose to riser hook-up.

Blower/Motor

The blower and motor is located inside
the unit cabinet. The blower and motor
may be removed from the cabinet
through the chassis opening. After re­moving the chassis, the blower as­sembly is strapped into the unit
cabinet through a single metal, flexi­ble bracket. We refer to this bracket as
a housing belly bracket. After detach­ing one screw at the bottom/front edge
of the bracket, the housing and motor
are free to be lifted from the fan deck.

Sound Attenuation

Sound attenuation is applied as a stan­dard feature in the product design. The
enhanced reduction package includes
a heavy gage base plate, and gasket/
insulation around the compressor en­closure.

An optional deluxe sound reduction
package is also available. It includes a
heavy gage base plate, gasket and in­sulation around the compressor enclo­sure, and vibration isolation between
the chassis and cabinet. An additional
dampening treatment is applied
around the compressor enclosure to
achieve greater acoustical reductions.

Controls

The control system offered to control
the unit is a Basic 24 volt control for
the 3/4-ton through 2-ton retrofit
(WPRD) equipment. A 50 VA trans­former is factory supplied on this unit
configuration. See wiring diagram on
chassis access panel for field wiring
connection to the 24 volt mechanical
thermostat.

Deluxe 24V Controls

(GET model)

Units containing the Deluxe 24V con­trol design will incorporate a micro­processor-based control board. The
Trane microprocessor board is factory
wired to a terminal strip to provide all
necessary terminals for field connec­tion. The deluxe board is equipped
with a random start relay, anti-short
cycle timer, brown out protection,
compressor disable, unit safety con­trol, diagnostics and a generic relay
(which may be available for field use).
See page 16 for diagnostic informa­tion.
Power wiring is made at the contactor.
The wiring is fed through the left or
right conduit tube, and into the cabi­net’s control box (contactor).

ZN510 Controls

(GET option)

Units incorporating the ZN510 control
option design will include a digital
LonTalk
control board will support such op­tions as: random start delay, heating/
cooling status, occupied/unoccupied
mode and fan/filter status.

Power wiring is made at the contactor.
The wiring is fed through the left or
right conduit tube, and into the cabi­net’s control box (contactor). See
manual WSHP-IOP-2 for diagnostic in­formation.

Schrader Connections

Connections for the low and high side
of the refrigeration system are located
conveniently on the chassis’ top be­neath a sheet metal plate.

TM

certified control board. The

WSHP-SVN08B-EN 5

Table 1: Unit weights

Size

009 135 115

012 135 115

015 175 150

018 175 150

024 225 195

036 225 195

009 90 80

012 95 85

015 110 100

018 115 105

024 190 180

036 200 190

Shipping

Weight

with pallet (lb)

Cabinet

Chassis

w/o pallet (lb)

Shipping

Weight

Dimensions/Weights/
Clearance

!

WARNING

Improper Unit Lift!

Test lift unit approximately 24 inches to verify proper
center of gravity lift point. To avoid dropping of unit,
reposition lifting point if unit is not level. Failure to
properly lift unit could result in death or serious injury
or possible equipment or property-only damage.

RSD

ALLOW 36" (914 mm)
AT UNIT FRONT FOR
CHASSIS REMOVAL

Figure 1: Mechanical clearances

Unit Location and Clearances

Locate the unit in an indoor area. The
ambient temperature surrounding the
unit must not be less than 45°F. Do not
locate the unit in areas subject to
freezing.

Attention should be given to service
clearance and technician safety. The
unit chassis should be easily removed
from the cabinet in all applications.
There must be enough space for ser­vice personnel to perform mainte­nance or repair. Provide sufficient
room to make water, and electrical
connection(s). Local and national
codes should be followed in providing
electrical power connections. See Fig-
ure 1 for mechanical clearances.

6 WSHP-SVN08B-EN

Dimensions

GET 009-036

8" (203)

(318)

12 1/2"

TOP

1 1/4" (32)

LOW VO LTAG E

CONNECTION BOX

FOR THERMOSTAT

3 3/4"

(95)

8" (203)

3 3/4"

(95)

12 1/2"

(318)

RSD

OPTIONAL

DUCT OPENING

1" (12.7) DUCT

COLLAR

1"

(25.4)

B

SWAGE 3" (76)

SUPPLY-AIR

OPENING

VARIES DEPENDENT
ON RISER O.D.

1" (25.4)

RETURN

SUPPLY

DRAIN

1/2" (12.7) O.D.
ELECTRIC CONDUIT

1" (25.4)

G

GET A B C D E F

009, 012 16 1/4" (413) 16 1/4" (413) 8 1/8" (206) 39 1/8" (994) 14 3/4" (375) 3/4" (19)

015-018 18" (457) 20" (508) 10" (254) 40 5/8" (1032) 18 3/4" (476) 3/4" (19)

024-036 24" (610) 24" (610) 12" (305) 49 5/8" (1260) 22 5/8" (575) 3/4" (19

11" (279) FOR 80" (2032) CABINET HEIGHT

G

3" (76) FOR 88" (2235) CABINET HEIGHT

SUPPLY-AIR OPENINGS AND RISER LOCATIONS CANNOT

H

BE ON THE SAME SIDE OF THE UNIT.

RISER LOCATION CAN BE ON ANY SIDE EXCEPT FRONT,

J

AND MAY BE SUPPLIED BY TRANE OR BY OTHERS.

A

C

CONTROL BOX

TO 120" (3048)

FROM 96" (2438)

THR OWAWAY

60" (1524)

4 3/4"

(121)

F

FILTER

D

CHASSIS

ACCESS

PANEL

DRAIN

CONNECTION

3/4" (19) O.D.

E

ALL OTHER UNITS ARE 88" (2235) IN HEIGHT

UNITS WITH TOP DISCHARGE ARE 80" (2032) IN HEIGHT

RISER CONNECTION
1/2” (13) NPTE = 009-018
3/4” (19) NPTE = 024,036

2 1/2" (63.5)

NOTE:
RIGHT RISER
LOCATION SHOWN
IN FRONT AND RIGHT
VIEWS.

FRONT RIGHT SIDE

WSHP-SVN08B-EN 7

Return Air (hinged)
Acoustical Door

The hinged acoustical door is recessed
into the wall so that the door is flush
with the surface of the wall.

The opening through the wall
for the door assembly must be
centered with the return-air
opening of the unit cabinet.
For full installing instructions
of the return-air acoustical
door, see page 12.

Dimensions

Hinged Acoustical Door

3 1/2” ±3/8”

A

SHEETROCK

B

RETURN AIR OPENING

FLANGE ON CABINET

2“ X 4” STUD

1“ X 1” CLOSED
CELL INSULATION

1 1/4”

+1/2”/-0”

SHEET ROCK

Unit Size

SHEETROCK

RETURN AIR

DOOR FRAME

1“ X 1” CLOSED

CELL INSULATION

OPENING

09

012

015
018

024
036

3 1/2” ±3/8”

A

19 1/4”

(489)

23 1/4”

(591)

27 1/8”

(689)

RETURN AIR OPENING

FLANGE ON CABINET

B

44 1/8”

(1121)

45 1/4”

(1149)

54 5/8”

(1387)

2 X 4 STUD

RETURN-AIR OPENING
FLANGE ON CABINET

RETURN AIR

DOOR FLANGE

SHEETROCK

Note:
Finished wall and framing should not
touch the unit cabinetry.

B

CABINET

2“ X 4”
STUD

CABINET

1“ X 1” CLOSED
CELL INSULATION

1 1/4”

+1/2”/-0”

TOP VIEW

A

1“ X 1” CLOSED

CELL INSULATION

RETURN AIR

DOOR FRAME

SHEETROCK

FLOOR

1 1/2” X 2 3/8”

3 1/2” ±3/8”

RETURN-AIR OPENING
FLANGE ON CABINET

2 1/4“

4 5/8“

CABINET

5“

SIDE VIEW

8 WSHP-SVN08B-EN

Installation

General Installation Checks

The checklist below is a summary of
the steps required to successfully in­stall a unit. This checklist is intended to
acquaint the installing personnel with
procedures required in the installation
process. It does not replace the de­tailed instructions called out in the ap­plicable sections of this manual.

1 Remove packaging and inspect the

unit. Check the unit for shipping
damage and material shortage; file
a freight claim and notify appropri­ate sales representation.

Note: The unit cabinet is packaged
in a wooden crate. A pry bar and/
or hammer will be needed for
packaging removal.

The chassis sits inside a cardboard
tray with an upper box for protec­tion. Typically four chassis will be
shrink-wrapped to a single pallet.

2 Verify the correct model, options

and voltage from the unit name­plate.

3 Verify the installation location of

the unit will provide the required
clearance for proper operation.

4 Remove refrigeration access panel

and inspect the unit. Be certain the
refrigerant tubing has clearance
from adjacent parts.

!

WARNING

Hazardous
Voltage!

Disconnect all electric power,
including remote disconnects and
discharge all motor start/run
capacitors before servicing.
Follow proper lockout/tagout
procedures to ensure the power
can not be inadvertently
energized. Failure to disconnect
power before servicing could
result in death or serious injury.

Main Electrical

5 Verify the power supply complies

with the unit nameplate specifica­tions.

6 Inspect all control panel compo-

nents; tighten any loose connec­tions.

7 Connect properly sized and pro-

tected power supply wiring to a
field-supplied/installed disconnect
switch and to the unit power block
(1TB1) in the unit’s cabinet control
box for equipment.

8 Install proper grounding wires to

an earth ground.

Note: All field-installed wiring must
comply with NEC and applicable local
codes.

Low Voltage Wiring (AC & DC)
Requirements

9 Connect properly sized control wir-

ing to the proper termination
points between the field supplied
thermostat and the terminal plug
in the equipment’s junction box.

WSHP-SVN08B-EN 9

Installation

FLOOR

FLOOR

Figure 2: Stacking illustration

3" SWAGE

!

WARNING

Improper Unit Lift!

Test lift unit approximately 24
inches to verify proper center of
gravity lift point. To avoid
dropping of unit, reposition lifting
point if unit is not level. Failure to
properly lift unit could result in
death or serious injury or possible
equipment or property-only
damage.

Unit Placement

If unit cabinet assembly includes fac­tory provided risers, and "no" field

provided between-the-floor riser ex­tensions, please move to Step 1.

Note: Risers are designed to accom­modate a maximum of 1 1/2" to 3" ex­pansion and contraction. If the total
calculated riser expansion exceeds 3",
expansion devices must be field pro­vided.

If unit cabinet assembly includes fac­tory provided risers and field provided
between-the-floor riser extensions are
required, install the extensions before
installing the cabinet.

1 Install drain valve, shut-off/balanc-

ing valves, flow indicators and
drain at the base of each supply and
return riser to enable system flush­ing at start-up, balancing and ser­vice/maintenance.

2 Lift cabinet into space while align-

ing it into the 3"swage of the riser
below.

Note: Take extra care as not to scrape
or dent risers during positioning. The
riser should fall approximately 2" into
the 3" swage. This will allow for the
variation in floor-to-floor dimensions,
and keep the riser joints from bottom­ing out.

3 Level the cabinet.

4 Plumb risers in two planes to as-

sure proper unit operation and con­densate drainage.

5 Anchor all units into place.

6 For field provided risers, center the

supply/return stubouts into the unit

expansion slots. The stubouts
should be perpendicular to the cab­inet panel.

7 Verify all risers are vertical and that

they penetrate the swaged joint at
least 1". Riser should not be al­lowed to bottom out.

8 Braze riser joints. Soft solder or

low-temperature alloys should not
be used in this application.

9 If risers are field provided, it is rec-

ommended that the risers be an­chored to the building structure
with a minimum of one contact
point. For expansion and contrac­tion reasons, do not fasten risers
rigidly to the building.

10 Seal access holes made through the

cabinet for piping with suitable ma­terial to help eliminate air leakage.

11 See page 14 for system flushing.

Water Connection

For vibration isolation, it is recom­mended that flexible steel braided
hoses be installed instead of hard pip­ing between the vertical risers and the
unit chassis.

Trane offers 4-types of hose kit varia­tions:

• Stainless steel braided flexible
hose with manual shut-off (ball)
valves

• Stainless steel braided flexible
hose with manual deluxe shut-off
(ball) valves

• Stainless steel braided flexible
hose with manual circuit-setter
valve

• Stainless steel braided flexible
hose with automatic balancing
valve

Additional accessories, such as a
strainer are recommended for use to
eliminate contaminants from entering
the co-axial water-to-refrigerant heat
exchangers.

10 WSHP-SVN08B-EN