Table 1 — Terminal Block (TB) Locations Containing LEN Connector

UNIT MODEL

LOCATION DESCRIPTION OF TB CONTAINING LEN CONNECTOR

30HK,HL040-060

TB3 can be accessed without opening the control box door. It is located at the upper right corner

of the control box.

 

30HW018-040

TB3 can be accessed without opening the control box door. It is located at the upper right corner

of the control box.

 

30RB060-120

TB3 can be accessed by opening the control box door. It is located at the right side of the hinged

display door.

 

30RB130-300

TB3 can be accessed by opening the left hand (smaller) door of the fan control panel. It is

located at the right side of the display panel.

 

30RB315-390

Unit sizes 30RB315-390 are modular units and thus, accept two Navigator™ modules, one on

each unit module. See Table 2.

 

48PG03-16 (TB1) 48PG20-28 (TB2)

Both TBs are accessed by opening the control box door. TB1 (PG03-16) or TB2 (PG20-28) is

50PG03-16 (TB1) 50PG20-28 (TB2)

located in the lower right of the control box.

 

TB3 can be accessed by opening the control box door. It is located in the lower center of the

48AJ,AK,AW,AY020-060

control box.

50AJ,AK,AW,AY020-060

NOTE: If the unit is equipped with an Economizer Circuit Board (ECB), the ECB provides an

 

auxiliary RJ14 LEN connector. See product documentation for more detail.

 

TB3 can be accessed by opening the control box door. It is located to the left of the Scrolling

48ZG,ZN,ZT,ZW,Z6,Z8

Marquee (display).

50ZG,ZN,ZT,ZW,ZX,ZZ,Z2,Z3,Z6,Z7,Z8,Z9

NOTE: These units provide an auxiliary RJ14 LEN connection on the corner post on the enter-

 

ing air end of the unit. See product documentation for more detail.

Table 2 — 30RB315-390 Modular Unit Combinations

UNIT SIZE

Module A

Module B

30RBA315

30RBA160

30RBA160

30RBA330

30RBA170

30RBA160

30RBA345

30RBA170

30RBA170

30RBA360

30RBA190

30RBA170

30RBA390

30RBA190

30RBA190

LEGEND FOR FIG. 2 - FIG. 8

A— Alarm

AUX — Auxiliary

C — Contactor, Compressor CAP — Capacitor

CB

— Circuit Breaker

CB-FN — Circuit Breaker Fan Circuit

CB-HT

— Circuit Breaker Cooler Heater

CB-P

— Circuit Breaker Pump

CCB

— Control Circuit Board

CCN

— Carrier Comfort Network

CLHR

— Cooler Heater Relay

CR

— Control Relay

CS

— Current Sensor

CSB

— Current Sensor Board

DS

— Disconnect Switch

ECB

— Economizer Circuit Board

EMM

— Energy Management Module

EQUIP

— Equipment

EXV

— Electronic Expansion Valve

EXVB

— EXV Board

FB

— Fuse Block

FB1

— Fan Board 1

FC

— Fan Contactor

GCS

— Ground Current Sensing

GND

— Ground

HACR

— Heating, Air Conditioning, and Refrigeration

IDR

— Inducer Draft Relay

IFC

— Indoor Fan Contactor

IFCB

— Indoor Fan Circuit Breaker

MMC

— Motormaster® Contactor

MMR

— Motormaster Relay

OFC

— Outdoor Fan Contactor

PLP

— Phase Loss Protection

RCB

— Rooftop Control Board

LEN

— Local Equipment Network

MBB

— Main Base Board

NEC

— National Electrical Code

PMP

— Pump Contactor

POT

— Potentiometer

RRB

— Reverse Rotation Board

SW

— Switch

TB

— Terminal Block

TDR

— Time-Delay Relay

TRAN

— Transformer

TXV

— Thermostatic Expansion Value

 

Terminal Block Connection

 

Field Power Wiring

 

Factory Wiring

 

Field Wiring

 

Accessory or Option Wiring

 

To indicate common potential only, not to

 

represent wiring

2

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Carrier 30GT-911---062 installation instructions Terminal Block TB Locations Containing LEN Connector
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30GT-911---062 specifications

The Carrier 30GT-911---062 is a high-performance air conditioning unit known for its energy efficiency and advanced technology. This model is designed to meet the cooling needs of commercial and industrial spaces, providing reliability and comfort. One of its standout features is the high-efficiency scroll compressor, which delivers improved performance while consuming less energy. This makes the 30GT-911---062 an environmentally friendly option that helps reduce operational costs.

Equipped with advanced microprocessor controls, the unit offers enhanced monitoring and management capabilities. These controls enable users to optimize the system's performance based on specific cooling requirements. The microprocessor also allows for easy integration with building management systems, facilitating seamless operation and energy use tracking.

The Carrier 30GT-911---062 is engineered with robust construction to ensure durability and longevity. Its components are designed to withstand demanding operating conditions, making it suitable for a wide range of applications, from data centers to manufacturing facilities. The use of high-quality materials in its construction also contributes to its reliability and reduced maintenance needs.

Another key characteristic of the 30GT-911---062 is its sound-dampening design, which minimizes operational noise, thus ensuring a comfortable environment. This feature is particularly beneficial in settings where noise levels need to be kept to a minimum, such as offices or hospitals.

The unit also benefits from a range of options and accessories that enhance its functionality. These include various cooling capacities, customizable airflow configurations, and optional features such as variable speed fans and economizers. These options allow businesses to tailor the system to their specific operational requirements, further enhancing its efficiency and effectiveness.

In summary, the Carrier 30GT-911---062 is an innovative solution for those seeking a reliable, energy-efficient air conditioning system. With its advanced technology, robust construction, and customizable options, it is designed to meet the diverse needs of modern commercial and industrial environments. Businesses looking to improve their cooling systems will find this model a compelling choice, promising both performance and value.
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