Carrier 30GB060 User Manual download pdf (Page 2)

Table of contents

Page

Features .............................................................................1

Field-Installed Accessories ...............................................1

Factory-Installed Option (FIOP)......................................1

Model Number Nomenclature ..........................................2

Physical Data....................................................................2

Application Data ............................................................2-6

Selection Procedure

..........................................................

Performance Data

...........................................................

7-9

Page

Dimensions .................................................................... 10

Mounting Weights ......................................................... 10

Electrical Data ............................................................... 11

Controls ....................................................................... 11,12

Control Sequence

..........................................................

Typical Installation ........................................................ 14

Guide Specifications

....................................................

15,16

Model number nomenclature

30GB 060 - 6

30GB-AIR-COOLED

OUTDOOR LIQUID CHILLER

UNIT SIZE (approximates chiller capacity in tons)

— 1 575-3-60

— 5 208/230-3-60

— 6 460-3-60

Physical data

Application data

MODEL 30GB 060

APPROX OPER WT - lb 4900

REFRIG CHG — lb

Circuit 1 65

Circuit 2 85

COMPRESSORS, Type...Rpm Reciprocating,

Semi-Hermetic 1750

(No.) Circuit 1* (1) 6275

(No.) Circuit 2 (1) A299

Capacity Control Steps 4

Circuit 1 (%) 43

Circuit 2 (%) 57

Minimum Step Capacity (%)

CONDENSER FANS — Type Propeller, Direct Drive

Fan Speed — Rpm 1080

No. Biades...Diameter-in.

Circuit 1/Circuit 2 4...26/3 ..30

No. Fans...Total kW

6. 1 92

Totai Airfiow — Cfm

46500

CONDENSER COiLS — Type

Plate Fins (Aluminumf)

Tubes (Copper), OD-in. '/2

Fins/in. Circuit 1/Circuit 2 14 2/15.0

No. Rows Circuit 1/Circuit 2 %

Face Area (sq ft) Circuit 1 57 5

Circuit 2

57.5

Max. Working Pressure

Refrig psig

450

COOLER — No. ...Type

One...Direct Expansion,

Shell & Tube

Modei 10HA400— 824

No. Refrigerant Circuits 2

Net Water Volume — Gal.

(includes nozzles)

17 7

Max. Working Press. — psig Refrigerant Side-235,

Water Side-150

WATER CONNECTIONS MPT

Inlet and Outlet — in. 3

Drain — in. FPT

*6 prefix indicates one electric unioader.

"A” prefix indicates no unloader.

tCopper fins aiso avaiiabie

Leveling unit

Unit must be level when installed to ensure proper oil

return to the compressors.

While most outdoor locations are suitable for 30GB

units, the roof is a common site that presents a problem

if roof has been pitched to aid in water removal. To

assure proper oil return, be sure that unit is level,

particularly in its major lengthwise dimension, as com

pressor oil return piping runs in that direction.

It should be determined prior to installation if any

special treatment is required to assure a level installation.

Cooler temperature

1. Maximum leaving chilled water temperature (LCWT)

for Model 30GB is 70 F (21 C). Unit can start and pull

down with up to 95 F (35 C) entering water tempera

ture due to MOP (maximum operating pressure)

feature of the expansion valve. For sustained opera

tion, it is recommended that entering water temperature

not exceed 85 F (29.4 C).

2. Minimum LCWT for standard Model 30GB is 40 F

(4.5 C). It is permissible to use a standard micro

processor-controlled Flotronic chiller with leaving

water temperatures in the range of 34 F (1°C) to 39.9 F

(4.4 C) only if a protective brine solution (20% antifreeze

solution, or greater) is used and microprocessor dip

switch is properly set. (See Controls and Trouble

shooting book for further information.) Special order

medium temperature brine units must be ordered for

operation with leaving water temperatures in the range

of 34 F (1°C) to 15 F (-9C). For ratings below 40 F

4.5 C) LCWT, contact your local Carrier representative.

1 2 3 4 5 6 7 ... 15 16

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Carrier 30GB060 User Manual Page 2

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