Carrier XRV Spécifications Page 130
- Page / 190
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
130
19XRV COMPRESSOR FITS AND CLEARANCES (in.)
*Depends on impeller size, contact your Carrier Service Represen-
tative for more information.
NOTES:
1. All clearances for cylindrical surfaces are diametrical.
2. Dimensions shown are with rotors in the thrust position.
3. Frame 3 rolling element style high speed shaft and bearing
assembly cannot be pulled from impeller end. The transmission
assembly must be removed from the compressor casting (after
the impeller is removed) and the bearing temperature sensor
must be removed from the high speed shaft and bearing assem-
bly before the high speed shaft and bearing assembly can be
separated from the transmission.
4. If any components within a rolling element high speed shaft and
bearing assembly are damaged it is recommended that the entire
high speed shaft and bearing assembly be replaced.
5. Impeller spacing should be performed in accordance with the
most recent Carrier Impeller Spacing Service Bulletin.
ITEM
COMPRESSOR FRAME 2 FRAME 3 FRAME 4 FRAME 5
Code 201-299, 2ZZ 321-389, 3ZZ 421-487, 4B1-4W7 501-599
DESCRIPTION
Oil Film
Bearings
Rolling
Element
Bearings
Oil Film
Bearings
Rolling
Element
Bearings
Oil Film
Bearings
Rolling
Element
Bearings
A Low Speed Journal-Gear End .0050/.0040 .0050/.0040 .0055/.0043 .0055/.0043 .0069/.0059 .0069/.0059
B Low Speed Journal-Motor End .0050/.0040 .0050/.0040 .0053/.0043 .0053/.0043 .0065/.0055 .0065/.0055
C1 Low Speed Labyrinth to Thrust Disk .0115/.0055 N/A .010/.005 N/A N/A N/A
C2 Labyrinth to Low Speed Shaft N/A .010/.005 .0095/.0055 .0095/.0055 .013/.009 .013/.009
D Low Speed Shaft Thrust Float .020/.008 .020/.008 .023/.008 .023/.008 .020/.008 .020/.008
E Impeller Eye to Shroud * * * * * *
F1 Impeller Bore to Shaft-Rear –.0020/–.0005 –.0025/–.0010 –.0014/–.0029 –.0014/–.0029 –.0019/–.0005 –.0019/–.0005
F2 Impeller Bore to Shaft-Front N/A N/A –.0005/–.0025 –.0005/–.0025 –.0014/.0000 N/A
G Impeller Discharge to Shroud * * * * * *
H Impeller Spacer to Shaft .0025/.0010 .0025/.0010 .0025/.0010 .0025/.0010 .0024/.0010 .0024/.0010
I Slinger to Shaft .0013/.0005 .0012/.0004 .0012/.0004 .0012/.0004 .0012/.0004 .0012/.0004
J Labyrinth to Slinger .013/.009 .010/.006 .010/.006 .010/.006 .010/.006 .010/.006
K Labyrinth to Impeller .012/.008 .012/.008 .012/.008 .012/.008 .012/.008 .012/.008
L High Speed Journal-Impeller End .0047/.0037 N/A .0040/.0028 N/A .0048/.0038 N/A
M
Thrust Assembly Seal Ring Axial
Clearance
.006/.002 N/A .006/.002 N/A .006/.002 N/A
N Thrust Assembly Seal Ring to Shaft .0045/.0015 N/A .0045/.0015 N/A .0045/.0015 N/A
O High Speed Shaft Thrust Float .014/.008 0 Float .014/.008 Float .014/.008 0 Float
P High Speed Journal-Gear End .0050/.0040 N/A .0048/.0038 N/A .0062/.0052 N/A
SEE VIEW A1 OR A2
A
2
3
SEE VIEW B
4
1
COMPRESSOR, TRANSMISSION AREA (FRAME 5 COMPRESSOR SHOWN)
1) OIL HEATER RETAINING NUT (NOT SHOWN)
2) BULL GEAR RETAINING BOLT
3) DEMISTER BOLTS (NOT SHOWN)
4) IMPELLER BOLT
D
COMPRESSOR, TRANSMISSION AREA
a19-1635
Fig. 52 — Compressor Fits and Clearances
- EVERGREEN 1
- 50/60 Hz 1
- CONTENTS 2
- CONTENTS (cont) 3
- INTRODUCTION 4
- CHILLER FAMILIARIZATION 5
- (Fig. 1 and 2) 5
- REAR VIEW 7
- FRONT VIEW 7
- REFRIGERATION CYCLE 8
- MOTOR AND LUBRICATING OIL 8
- COOLING CYCLE 8
- STARTING EQUIPMENT 10
- OPTIONAL 11
- 442A AND 608A VFDs 12
- 900A AND 1200A VFDs 12
- CONTROLS 15
- Definitions 15
- Fig. 10 — Control Panel 17
- Fig. 11 — Power Panel 17
- 55.1 44.1 40.7 20
- 85.0 95.0 98.1 20
- 21.8 132.9 93 20
- Table 4 — ICVC Display Data 27
- 0.1-3.0 SP_HIGH 28
- 0.1-3.0 SP_HIGH 1.0 37
- PIC III System Functions 40
- ECW-10 sec 41
- Error, Gain = 1 41
- Error, Gain = 3 41
- START-UP/SHUTDOWN/ 57
- RECYCLE SEQUENCE (Fig. 27) 57
- Local Start-Up — 57
- Shaft Packing — 60
- LIQUID LINE 63
- Temperature (F) 64
- Temperature (C) 64
- • Surge/ HGBP Deadband = 1 69
- ΔT increase 70
- Delta Tsat 71
- ALARM CONTROL 72
- ALARM ROUTING 72
- LEGEND TO TABLES 16A-16J 91
- E. START-UP IN PROGRESS 92
- F. NORMAL RUN 93
- G. NORMAL RUN WITH OVERRIDES 93
- H. OUT-OF-RANGE SENSOR 94
- J. CHILLER ALERTS 99
- J. CHILLER ALERTS (cont) 100
- Control Modules 107
- Notes on Module Operation 107
- RECTIFIER LED 109
- INVERTER LED 109
- Table 30 — Motor Voltage Code 129
- COMPRESSOR, TRANSMISSION AREA 130
- LOW SPEED SHAFT THRUST DISK 131
- LEGEND FOR FIG. 53-58 133
- SEE NOTE 134
- HOT GAS BYPASS 135
- HOT GAS BYPASS OPTION FOR 136
- NOTE: MOTOR OVERLOAD IS 143
- FACTORY PRE-SET 143
- DO NOT ADJUST 143
- COMBINED I/O 144
- TB1 − LF2 146
- TB3 − LF2 146
- VFD (cont) 147
- LEGEND FOR FIG. 60 148
- NOTES FOR FIG. 60 149
- NOTE 3.6 150
- LEGEND FOR FIG. 61 152
- NOTES FOR FIG. 61 153
- 19XRV CHILLERS 154
- STATUS VPF_STAT 163
- APPENDIX B — LEAD/LAG WIRING 165
- 19XRV Weekly Maintenance Log 168
- 19XRV Maintenance Log 169
- 19XRV Seasonal Shutdown Log 170
- 10's 171
- 1's 171
- — The LEDs indicate if the 175
- Table G — Network Points List 176
- INITIAL START-UP CHECKLIST 179
- No 180
- *If yes, determine cause 180
- DRAWINGS) 180
- 0.1 to 3.0 184
- CCN LOCAL RESET MENU 190
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