Carrier Flotronic 30GT - User Manual

30GT080-420
Flotronic™
Reciprocating
Liquid
Chillers
50/60 Hz
Installation,
Start-Up
and
a
Service
Instructions
CONTENTS
Page
SAFETY
CONSIDERATIONS
...................
2
SERVICE.......
a
a
ea
wr
wa
ee
Diagnostics and Troubleshooting re
INTRODUCTION
........-.-0.sseeeeeeeeeeeees
s
Refrigerant
Testing
.........................
INSTALLATION
..............0.
00
cece
cence
ee
2-42
«
LEAK
TESTING
Step
1
—
Rig
and
Place
the
Unit
.............
2
*
DEHYDRATION
Step
2
—
Join
Modules
A
and
B
¢
REFRIGERANT
CHARGE
(230-420
Units
Only)
...............
0.065.
26
Electronic
Components
....................
55
Step
3
—
Check
Compressor
Mounting
....
26
*
CONTROL
COMPONENTS
Step
4
—
Cooler
Fluid
and
Drain
+
30GT130-210,
230A-315A,
AND
Piping
Connections
.......................
26
330A/B-420A/B
UNIT
CONTROL
AND
*
PREPARATION
FOR
YEAR-ROUND
MAIN
POWER
BOXES
OPERATION
COMPFESSORS
«a
s.in.s
sssssisiiiniwisians
nied
shew
tisha
Wears
ai
55
*
PREPARATION
FOR
WINTER
SHUTDOWN
*
COMPRESSOR
REMOVAL
Step
5
—
Make
Electrical
Connections
.....
27
*
OIL
CHARGE
¢ FIELD POWER CONNECTIONS
e FIELD CONTROL POWER
CONNECTIONS
Step 6 — Install Accessories .............. 29
¢ ELECTRICAL
*« LOW-AMBIENT OPERATION
« HOT GAS BYPASS
* MISCELLANEOUS ACCESSORIES
PRE-START-UP «ois sis site daas nas san caee
System Check ... whe
QUICK TOS ya cesasc narration nay 2 ane ot wis aeeearie
« A. QUICK TEST STEPS 1-15: ‘
UNIT CONFIGURATION
¢ B. QUICK TEST STEPS 16-30: THERMISTORS
AND SET POINT POTENTIOMETERS
¢ C. OUTPUT RELAYS, STEPS 31-42
START-UP AND OPERATION ...............
Digital Display Action ................. .. 4
Actual Start-Up ..................000 ee a
Operating Limitations .....................
* TEMPERATURES
« VOLTAGE
¢ MINIMUM FLUID LOOP VOLUME
« FLOW RATE REQUIREMENTS
Operation Sequence ...................005 49
+ UNITS WITH ELECTRONIC EXPANSION
VALVE (EXV)
30GT080-110 UNITS WITH OPTIONAL
THERMOSTATIC EXPANSION VALVE
(TXV)
UNITS WITH EXV
UNITS WITH TXV (30GT080-110 ONLY)
LOAD SHED
ALL UNITS
UNITS WITH EXV
UNITS WITH TXV (30GT080-110 ONLY)
REMOTE ON-OFF
REMOTE ALARM
COGIG Diversey e,ersnara syorn eae She aeons Pave eatAtOS we 56
* COOLER REMOVAL
* REPLACING COOLER
* SERVICING THE COOLER
Condenser Coils .................0..0.e eee 58
* COIL CLEANING .
Condenser Fans ................0..0ecce eee 58
Refrigerant Feed Components .............. 58
* ELECTRONIC EXPANSION VALVE (EXV)
+ THERMOSTATIC EXPANSION VALVE (TXV)
(080-110 ONLY)
+ MOISTURE-LIQUID INDICATOR
* FILTER DRIER
* LIQUID LINE SOLENOID VALVE
* LIQUID LINE SERVICE VALVE
UMORTSTONS) sie. ese. 8 ese g apace: sess sieusin’ dra seqen n oneve 63
* LOCATION
* TO REPLACE SENSOR T2 (Cooler)
« TO REPLACE THERMISTORS Ti, TS, T6, T7,
T8
* THERMISTORS T3 AND T4
¢ THERMISTOR/TEMPERATURE
SENSOR CHECK
Sarety: DEVICES) . 4.58 ewan esenie weave boots one oars 65
* COMPRESSOR PROTECTION
« LOW OIL PRESSURE PROTECTION
« CRANKCASE HEATERS
* COOLER PROTECTION
Relief Devices ...............cccceceoneeves 66
¢ HIGH-SIDE PROTECTION
« LOW-SIDE PROTECTION
« PRESSURE RELIEF VALVES
Other Safeties 2.0...) .... cc ccc cece cence 66
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book|2 PC 903
Tab [5c
Catalog No. 563-074
Printed in U.S.A.
Form 30GT-37S1 Pg 1 8-95 Replaces: 30GT-36SI

Carrier Flotronic 30GT Specifications