Manitowoc QF0800 Especificaciones Pagina 201
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Valorado. / 5. Basado en revisión del cliente
Part Number 80-1230-9 6/08 201
FAN CYCLE CONTROL VS. HEAD PRESSURE
CONTROL VALVE
A fan cycle control cannot be used in place of a head
pressure control valve. The fan cycle control is not
capable of bypassing the condenser coil and keeping
the liquid line temperature and pressure up.
This is very apparent when it rains or the outside
temperature drops. When it rains or the outside
temperature drops, the fan begins to cycle on and off.
At first, everything appears normal. But, as it continues
raining or getting colder, the fan cycle control can only
turn the fan off. All the refrigerant must continue to flow
through the condenser coil, being cooled by the rain or
low outside temperature.
This causes excessive sub-cooling of the refrigerant.
As a result, the liquid line temperature and pressure
are not maintained for proper operation.
- Technician’s 1
- Handbook 1
- Safety Notices 3
- Procedural Notices 3
- ! Warning 4
- Table of Contents 5
- 6 Part Number 80-1230-9 6/08 6
- Part Number 80-1230-9 6/08 7 7
- 8 Part Number 80-1230-9 6/08 8
- General Information 9
- S N 0658 A 10
- Important 11
- 12 Part Number 80-1230-9 6/08 12
- Part Number 80-1230-9 6/08 13 13
- 14 Part Number 80-1230-9 6/08 14
- Ice Machine 14
- Twelve months from the 14
- Part Number 80-1230-9 6/08 15 15
- 16 Part Number 80-1230-9 6/08 16
- Part Number 80-1230-9 6/08 17 17
- 18 Part Number 80-1230-9 6/08 18
- Installation 19
- SN12/SN20 20
- BTU/Hour 21
- Part Number 80-1230-9 6/08 23 23
- 28 Part Number 80-1230-9 6/08 28
- Part Number 80-1230-9 6/08 29 29
- LINE SET REQUIREMENTS 30
- Traditional Remote Units Only 30
- 32 Part Number 80-1230-9 6/08 32
- Component Identification 33
- Remote & QuietQube Models 34
- QF800/QC700 35
- 36 Part Number 80-1230-9 6/08 36
- Maintenance 37
- 38 Part Number 80-1230-9 6/08 38
- Part Number 80-1230-9 6/08 39 39
- 40 Part Number 80-1230-9 6/08 40
- Part Number 80-1230-9 6/08 41 41
- 42 Part Number 80-1230-9 6/08 42
- Part Number 80-1230-9 6/08 43 43
- Part Number 80-1230-9 6/08 45 45
- 46 Part Number 80-1230-9 6/08 46
- Part Number 80-1230-9 6/08 49 49
- 52 Part Number 80-1230-9 6/08 52
- Part Number 80-1230-9 6/08 53 53
- 54 Part Number 80-1230-9 6/08 54
- 5. Lift out ice damper 55
- 56 Part Number 80-1230-9 6/08 56
- Part Number 80-1230-9 6/08 57 57
- 58 Part Number 80-1230-9 6/08 58
- 60 Part Number 80-1230-9 6/08 60
- Part Number 80-1230-9 6/08 61 61
- 6. Remove front cover 62
- A. Lift up on front cover 62
- 7. Remove side panels 62
- 8. Remove ice chute cover 63
- B. Lift to remove cover 63
- 9. Lift out ice damper 64
- Part Number 80-1230-9 6/08 65 65
- 66 Part Number 80-1230-9 6/08 66
- Part Number 80-1230-9 6/08 67 67
- 68 Part Number 80-1230-9 6/08 68
- Part Number 80-1230-9 6/08 69 69
- 70 Part Number 80-1230-9 6/08 70
- Part Number 80-1230-9 6/08 71 71
- 18. Remove ice deflector 72
- Part Number 80-1230-9 6/08 73 73
- 74 Part Number 80-1230-9 6/08 74
- Part Number 80-1230-9 6/08 75 75
- 76 Part Number 80-1230-9 6/08 76
- 78 Part Number 80-1230-9 6/08 78
- Model Amount of Cleaner 78
- QF0400 2 oz. (60 ml) 78
- Part Number 80-1230-9 6/08 79 79
- 80 Part Number 80-1230-9 6/08 80
- Part Number 80-1230-9 6/08 81 81
- Part Number 80-1230-9 6/08 83 83
- 86 Part Number 80-1230-9 6/08 86
- Part Number 80-1230-9 6/08 87 87
- 88 Part Number 80-1230-9 6/08 88
- Part Number 80-1230-9 6/08 89 89
- 90 Part Number 80-1230-9 6/08 90
- Part Number 80-1230-9 6/08 91 91
- 94 Part Number 80-1230-9 6/08 94
- Part Number 80-1230-9 6/08 95 95
- 98 Part Number 80-1230-9 6/08 98
- Part Number 80-1230-9 6/08 99 99
- WATER LEVEL 102
- FLOAT VALVE 105
- Water Reservoir Removal 106
- Dump Valve Disassembly 110
- Door Removal 111
- Operation 115
- ENERGIZED PARTS 118
- Energized Parts 125
- Energized Parts (Continued) 126
- Troubleshooting 133
- Ice Machine Will Not Run 134
- Replace HES #2 135
- IMPORTANT 136
- Machine Will Start 136
- OPERATIONAL PROBLEM CHECKLIST 141
- (disch temp, water level or 148
- No Water Checklist 151
- Gear Motor Speed Checklist 153
- Temperature Sensor Checklist 156
- QF0400/QC0700/QF0800 156
- Component Check Procedures 167
- Step 3 Check for Continuity 168
- Reading Result 168
- Open Replace the switch 168
- Continuity Cause 172
- No Replace bin level probe 172
- Yes Go to step 3 172
- DISCONNECT BIN LEVEL PROBE 174
- FROM CONTROL BOARD 174
- DISCONNECT 178
- WATER LEVEL PROBE 178
- PROBE LIGHT 178
- Depressed Closed 186
- Released Open 186
- Speed Sensor 189
- HPR SOLENOID 195
- HPR VALVE 196
- Cooling Mode 211
- Cut-Out at Setpoint 211
- Contamination Cleanup Chart 223
- USING PINCH-OFF TOOL 228
- Evaporator Re-Build Kits 235
- CONTENTS OF THE RE-BUILD KIT: 236
- SPLINE HUB AND KEY STOCK 237
- EVAPORATOR REASSEMBLY 239
- Component Specifications 247
- Refrigerant Pressure Charts 251
- SN012A/SN020A 252
- SELF-CONTAINED AIR-COOLED 252
- QF0400A BRONZE EVAPORATOR 254
- SELF-CONTAINED WATER-COOLED 256
- Condenser Water Consumption 256
- QUIETQUBE REMOTE AIR-COOLED 261
- REMOTE AIR-COOLED 264
- SF900C/RFC985 271
- 24-HOUR ICE PRODUCTION 272
- SN950C/RFC985 274
- SF1200C/RFC1285 277
- SN1250C/RFC1285 280
- QF2200/RFC2085 281
- QF2300/RFC2385 282
- Diagrams 283
- 115/60/1 – 230/50/1 285
- QF0400 115/60/1 – 230/50/1 286
- 115/60/1 – 230/50/1 289
- QF2200 115/60/1 – 230/50/1 290
- RFC2385 CONDENSING UNIT 294
- 230/60/1 – 230/50/1 294
- 208 - 230/60/3 295
- SN012/SN020 299
- SF0400/SN0450/SF0600/SN0650 300
- SF0900/SN0950/SF1200/SN1250 301
- Air Cooled 301
- SF0600/SN0650 302
- Remote Air Cooled 302
- Air & Water Cooled 303
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