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Carrier 30GTN Installation Instructions Manual

Download Installation instructions manual of Carrier 30GTN Chiller, Control Unit for Free or View it Online on All-Guides.com. This version of Carrier 30GTN Manual compatible with such list of devices, as: 30GTN, GTR, GUN, GUR040-420

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

PC 903 Catalog No. 533-076 Printed in U.S.A. Form 30GTN-3SI Pg 1 6-99 Replaces: New

Book 2

Tab 5c

Installation Instructions

Part Number 30GT-911---060

CONTENTS

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . 1

INTRODUCTION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

Install Harness and Make Wire

Connections

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Configure Control (All Sizes)

. . . . . . . . . . . . . . . . . . 7

Temperature Reset (4 to 20 mA)

. . . . . . . . . . . . . . . 8

Demand Limit (4 to 20 mA)

. . . . . . . . . . . . . . . . . . . . 9

Demand Limit (Switch Controlled)

. . . . . . . . . . . 10

SAFETY CONSIDERATIONS

Installation of this accessory can be hazardous due to sys-

tem pressures, electrical components, and equipment location

(such as a roof or elevated structure).

Only trained, qualified installers and service technicians

should install, start up, and service this equipment (Fig. 1).

When installing this accessory, observe precautions in the

literature, labels attached to the equipment, and any other

safety precautions that apply.

• Follow all safety codes.

• Wear safety glasses and work gloves.

• Use care in handling and installing this accessory.

INTRODUCTION

The Energy Management Module Accessory (EMM) pack-

age is required for additional Temperature Reset, Demand

Limit, and Ice Done features of the ComfortLink™

30GTN,GTR and 30GUN,GUR chillers. Temperature Reset

function by return water, outside air or space temperature do

NOT require the addition of this accessory. The following ad-

ditional features are supported by this accessory:

• temperature reset by 4 to 20 mA field supplied signal.

• demand limit control via field supplied two-step switch

input.

• demand limit control via field supplied 4 to 20 mA

signal.

• support of unoccupied operation for ice making through

field supplied contacts.

Accessory Package Contents

INSTALLATION

1. Inspect the package contents for missing or damaged

parts. File a claim with shipping agency if parts are

damaged. Notify your Carrier representative if any

items are missing.

2. Open and tag all electrical disconnects.

3. Open the left side control box door to access the con-

trol wiring side of box.

4. Using the five no. 6 screws provided in the package,

mount the EMM in the pre-drilled holes in the control

panel near the lower left corner of the display/fuse

bracket. See Fig. 2. Using the two no. 10 screws pro-

vided in the package, mount the terminal block above

the EMM board.

5. For size 130-210 machines (and modules 230A-420A,

330B-420B), mount the EMM board above TB5. See

Fig. 3.

6. The board addresses are set through 4-position DIP

switches. All switches are set to ON for all boards. See

Fig. 1.

Install Harness and Make Wire Connec-

tions —

Locate harness supplied with accessory. use the

30GT415088 harness for 040-110 sizes (and modules 230B-

315B). Use the 30GT415224 harness for 130-210 sizes (and

modules 230A-420A and 330B-420B).

Make four plug connections at the EMM using the connec-

tors labeled EMM-J1, J4, J6, and J7. See Fig. 4 and 5.

Two remaining plug connections need to be made. Connect

the plug labeled 30GT415224 at the Main Base Board (MBB)

for all 040-110 sizes. Connect the plug labeled EXV-J3/MBB-

J3 at the Expansion Valve Board (EXV), if installed for 040-

110 sizes. Otherwise, connect the plug to the Main Base Board

(MBB). See Fig. 4.

For sizes 130-210 connect the plug labeled MBB-J2/

CXB-J2 to the Main Base board (MBB) or to the Expansion

Board (CXB, if installed) and connect the plug labeled EXV-J3

CXB-J3 at the Expansion Board (CXB, if installed). Other-

wise, connect the plug to the Expansion Valve Board (EXV).

See Fig. 5.

ELECTRIC SHOCK HAZARD.

To avoid the possibility of electrical shock,

open and tag all disconnects before installing

this equipment.

ITEM QUANTITY

Energy Management Module,

30GT515218

1

Terminal Block, HY84FE029

1

Screws, no. 6

3

/

4

-in. long

5

Screws, no. 10

3

/

4

-in. long

2

Harness Assembly, 30GT415088

1

Harness Assembly, 30GT415224

1

30GTN,GTR,GUN,GUR040-420

Energy Management Module (EMM)

Accessory

50/60 Hz