Trane RTHA User Manual

General Information
6 RLC-SVN005B-EN
Once the type of starter is determined, proceed to the
section in the bulletin that corresponds with the correct
unit and start type.
Important: Alw
ays follow safe electrical practice
s while
installing the new starter. Be certain to route
new wiring neatly through the starter panel.
Do not allow the wiring to come in contact
with any sharp objects. It is advised to place
fish paper between the bottom of the starter
cabinet and wiring.
Important:
UL REQUIREMENT
• The field conversion of the starter will void
the
factory UL
listing.
• The customer must obtain a UL inspection if a UL
listing is required.
Removal of Existing Starter
See unit chapters for specific information on existing
starter removal.
Installation of Benshaw Starter
See unit chapters for graphics which show unit specific
installation information and location of required
components for the Benshaw RediStart SSS conversion.
Notes:
• All Benshaw Solid State Starters supplied after
Novem
ber 2010 are MX2 starters.
• The Benshaw Redistart SSS is supplied with current
transformers. The current transformers wired to the
chiller need to remain installed as shipped from the
factory. The current transformers supplied with the
solid state starter need to be installed as close to the
original current transformers as possible for proper
operation.
• See unit specific chapters for the proper inst
allation
location of the Benshaw current transformers.
• Benshaw CTs are polarity sensitive. For specific details
on mounting of the Benshaw Solid State Starter, see
“Benshaw Solid State Starter Hardware Manual, pages
20-32. The manual ships with the Benshaw starter.
• Secure locally any required low voltage wire, bolts,
nuts and other hardware as required.
Additional Components
Pilot Relay
See unit chapters for specific information on pilot relays.
See Table 8, p. 47 for part numbers.
Cabinet Fan (optional)
A locally obtained cabinet fan needs to be installed in the
cabinet to avoid overheating. The fan can be mounted
internal or external to the cabinet. See Table 8, p. 47 for
part num
bers.
Note: The fan can be mounted over the existing vents
on
the cabinet. It is not necessary to cut a hole on the
cabinet.
Circuit Breaker and Shunt Trip
Important: All units that are converted to the Benshaw
RediStart Solid Start Starter REQUIRE a
circuit breaker and shunt trip device.
• If the unit was built with a circuit breaker, contact
Trane
Service Parts for shunt option or source locally.
• If unit was NOT built with a circuit breaker, one must be
a
dde
d, as well as the shunt breaker as listed above.
Contact Trane Service Parts for circuit breaker
information.
Refer to local and state electrical codes f
or proper sizing of
the shunt trip device.
Benshaw Remote Display Panel
The remote display panel is recommended if voltage and
current monitoring is necessary. See “Remote Keypad,”
p. 41 for further details.
Warning Label
Two warning labels, part number LBL00419 and shown in
Figure 4, are required for each unit. Install one each by
motor terminals AND on outside of panel.
Note: L
BL00419 is a single label. You must order quantity
two (2) for each unit
.
Figure 4. Warning label
X39003766010A
HAZARD OF ELECTRIC SHOCK
Motor leads are live when the motor is not running.
Disconnect the power source before servicing the motor.
Failure to disconnect power to the motor before servicing could result in
serious injury or death.
WARNING
DANGER DE CHOC ÉLECTRIQUE
Les fils du moteur sont sous tension même lorsque le moteur ne fonctionne
pas.
Débranchez la source d’alimentation avant tout entretien du moteur.
Un manquement à débrancher l’alimentation du moteur avant l’entretien
pourrait causer des blessures graves ou la mort.
PELIGRO DE CHOQUE ELÉCTRICO
AVERTISSEMENT
ADVERTENCIA
Los cables del motor tienen corriente cuando el motor no está
funcionando.
Desconecte la alimentación antes de dar servicio al motor.
Si no se desconecta la alimentación antes de dar servicio al motor, pueden
producirse lesiones graves o la muerte.

Trane RTHA Specifications

General

Brand	Trane
Model	RTHA
Category	Chiller
Language	English