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Bosch LM024, Руководство по эксплуатации

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Location

 | 

5

LM CS Series Heat 

8 733 920 847 (2014/01)

Revised 01-14

LOCATION

To maximize system performance, efficiency and 
reliability, and to minimize installation costs, it is 
always best to keep the refrigerant lines as short 
as possible. Every effort should be made to locate 
the air handler and the condensing section as 
close as possible to each other.

Condensing Section

Locate the condensing section in an area that 
provides sufficient room to make water and 
electrical connections, and allows easy removal of 
the access panels, for service personnel to 
perform maintenance or repair.
The condensing section is designed for indoor use; 
however, if the condensing section must be 
installed in an outdoors location where ambient 
temperatures can fall below freezing, some form of 
freeze protection should be employed such as a 
freeze-stat and/or a pump timer/starter to prevent 
possible condenser freeze-up and to optimize 
overall system performance. 

Air Handler

Locate the air handler unit in an indoor area that 
allows easy removal of the filter and access panels, 
and has enough room for service personnel to 
perform maintenance or repair. Provide sufficient 
room to make  electrical and duct connections. If 
the unit is located in a confined space such as a 
closet, provisions must be made for return air to 
freely enter that space. 

INSTALLATION

Condensing Section

The condensing section should be mounted on a 
vibration absorption pad on a cement slab or 
similar support to provide a good base and some 
degree of levelness. The cement pad should not 
come in contact with the foundation or side of the 
dwelling, because sound may be transmitted into 
the residence. See Figure #2 below. 

Figure # 2 

Reference the Factory Manual for your AH, or 
Air Handler section of this manual for detailed 
installation and operation. 

 Loosen compressor mounting bolts.

NOTE: 

The installer should comply with all 

local codes and regulations which govern 

the installation of this type of equipment. 

Local codes and regulations take precedent 

over any recommendations contained in 

these instructions. In lieu of local codes, the 

equipment should be installed in 

accordance with the recommendations 

made by the National electric code, and in 

accordance with the recommendations 

made by the National Board of Fire 

Underwriters.

DO NOT

 remove the protective caps or plugs 

from the service valves until the refrigerant 

lines are run and ready for final connections.

 

Vibration Pad is
recommended

Содержание LM024

Страница 1: ...Installation Operation and Maintenance Manual LM CS Series Heat Pump 8 733 920 847 2014 01 LM024 LM036 LM048 LMO60 LM070 ...

Страница 2: ... 6 WATER PIPING 6 ELECTRICAL 6 Safety Devices and the UPM Controller 7 COMFORT ALERT MODULE 10 OPTIONS 12 Pump Status Switch 12 DPS Water Flow Proving 12 Valve End Switch 12 Pump Relay 12 SEQUENCE OF OPERATION 13 Cooling Mode 13 Heating Mode 13 APPLICATION CONSIDERATIONS 15 Well Water Systems 15 Cooling Tower Boiler Systems 15 Geothermal Systems 17 SYSTEM CHECKOUT 18 UNIT START UP 18 MAINTENANCE 1...

Страница 3: ...gs in this document are identified by a warning triangle printed against a grey background Keywords at the start of the warning indicate the type and seriousness of the ensuing risk if measures to prevent the risk are not taken This symbol indicates important information where there is no risk to property or people Before performing service or maintenance operations on the system turn off main pow...

Страница 4: ... 50 F to 110 F in the cooling mode Several factory installed options are available Differential Pressure Switch DPS Water Flow Proving Switch Auxiliary Pump Relay Zone Valve and Internal Water Pump See Pg 12 for more detail Safety devices are built into each unit to provide the maximum system protection possible when properly installed and maintained MOVING AND STORAGE If the equipment is not need...

Страница 5: ...e or repair Provide sufficient room to make electrical and duct connections If the unit is located in a confined space such as a closet provisions must be made for return air to freely enter that space INSTALLATION Condensing Section The condensing section should be mounted on a vibration absorption pad on a cement slab or similar support to provide a good base and some degree of levelness The cem...

Страница 6: ... Globe and gate valves must not be used due to high pressure drop and poor throttling characteristics Flexible hoses should be used between the unit and the rigid system to avoid possible vibration Ball valves should be installed in the supply and return lines for unit isolation and unit water flow balancing ELECTRICAL Refer to electrical component box layout Figures 5 6 Drain Pan is not internall...

Страница 7: ... 8 Capacitor 9 ECM Interface Board Option mounts on E Box cover 10 Comfort Alert Module Option 11 DDC Option 12 LonWorks Card Option 13 Input Expansion Module Option 14 Smart Start Assist Option 15 Ground Lug Safety Devices and the UPM Controller Figure 6 Typical UPM Board 1 Board Power Indicator 2 UPM Status LED Indicator 3 Water Coil Freeze Protection Temperature Selection R30 4 Air Coil Freeze ...

Страница 8: ...1 resistor located on top of DIP switch SW1 Refer to Figure 6 item 3 for resistor location Refer to Figure 7 for sensor location Figure 7 The condensate overflow protection sensor is located in the drain pan of the unit and connected to the COND terminal on the UPM board Figure 8 Figure 8 If the unit is being connected to a thermostat with a malfunction light this connection is made at the unit ma...

Страница 9: ...E a pulse signal is produced and a fault code is detected by a remote device indicating the fault See LED Fault Indication below for blink code explanation The remote device must have a malfunction detection capability when the UPM board is set to PULSE TEST DIP SWITCH A test dip switch is provided to reduce all time delays settings to 10 seconds during troubleshooting or verification of unit oper...

Страница 10: ...he unit to go into a hard lockout immediately and will require a manual lockout reset LOCKOUT RESET A hard lockout can be reset by turning the unit thermostat off and then back on when the RESET dip switch is set to Y or by shutting off unit power at the circuit breaker when the RESET dip switch is set to R COMFORT ALERT MODULE The Comfort Alert diagnostics module CADM is a breakthrough innovation...

Страница 11: ... 8 1 1 8 3 8 1 1 8 3 8 1 1 8 7 8 LM070 127 3 8 1 1 8 3 8 1 1 8 3 8 1 1 8 3 8 1 1 8 3 8 1 1 8 7 8 CAPACITY MULTIPLIER 1 00 995 0 990 0 990 0 980 Example 1 Model LM036 with 45ft of equivalent length of 3 8 O D Liquid Line Total system charge Factory charge 45ft 25 ft x 60 oz ft Total System Charge 93 oz 20ft x 60 oz ft 105 oz Additional 12 oz of R410A refrigerant required Example 2 Model LM060 with ...

Страница 12: ...rant heat exchanger in the heat pump The DPS operates by monitoring the water side pressure drop across the water to the refrigerant heat exchanger When the pressure drop between the water in and water out lines reaches a pre set value compressor operation is enabled Valve End Switch The leaving water valves are all equipped with Valve End Switches VES and it is a factory installed option availabl...

Страница 13: ...ith the compressor As the thermostat is satisfied the heaters will shut off as soon as W1 is de energized and the compressors will remain on until the thermostat stages are satisfied Once the thermostat is satisfied the compressor shuts down and the fan ramps down either fan only mode or off over a span of 30 seconds If thermostat has two different output points one for Auxiliary heat and a differ...

Страница 14: ... TIME 30 SEC TIME 120 SEC COUNT 2 Start Timer Start Timer CC Output On CC Output Off Blink Code On Status LED Report Alarm Fault Hard Lockout ALR Output On Pulse Blink Code On Status LED Soft Lockout Record Alarm Start Counter If Applicable Start Anti Short Cycle Start Random Start Up Lockout Can Be Set To 4 Via Dip Switch Power Switchs Sensor Status Check LEGEND HPC HIGH PRESSURE CUTOUT LPC LOW P...

Страница 15: ...ould be connected across Y1 and C1 on the interface board for all Make sure that the VA draw of the valve does not exceed the contact rating of the thermostat Figure 13 Figure 13 Example System Set up 1 Flex Duct Connection 2 Low Voltage Control Connection 3 Vibration Pad 4 Ball Valves 5 Solenoid Valve Slow Closing 6 Condensate Drain Connection 7 Drain Valves 8 Hose Kits optional 9 Pressure Tank o...

Страница 16: ...iping until the water system has been completely cleaned and flushed to remove any dirt piping chips or other foreign material Supply and return hoses should be connected together during this process to ensure the entire system is properly flushed After the cleaning and flushing has taken place the unit may be connected to the water loop and should have all valves wide open Figure 14 Figure 14 1 L...

Страница 17: ...ized when low evaporating conditions are expected to occur Refer to the GLP installation manuals for more specific instructions Figure 16 Figure 15 1 Line voltage disconnect unit 2 Flex duct Connection 3 Low voltage control connection 4 Line voltage connection unit 5 P T ports 6 Vibration pad 7 Condensate drain connection 8 Ground loop connection kit 9 Ground loop pumping package 10 Polyethylene w...

Страница 18: ...formers may be required to insure minimum secondary voltage supply 3 FHP recommends the following guidelines for wiring between a thermostat and the unit 18 GA up to 60 foot 16 GA up to 100 ft and 14 GA up to 140 ft 4 Do not apply additional controlled devices to the control circuit power supply without consulting the factory Doing so may void equipment warranties 5 Check with all code authorities...

Страница 19: ...otor life Use SAE 20 non detergent electric motor oil 4 The condensate drain should be checked annually by cleaning and flushing to insure proper drainage 5 Periodic lockouts almost always are caused by air or water flow problems The lockout shutdown of the unit is a normal protective measure in the design of the equipment If continual lockouts occur call a mechanic immediately and have them check...

Страница 20: ...___ _____________ Fluid Flow gpm ______________________________ ______________________________ Compressor Volts Amps _______________ _____________ _______________ _____________ Blower Motor Volts Amps _______________ _____________ _______________ _____________ Source Fluid Type ______________________________ ______________________________ Fluid Flow gpm ______________________________ _____________...

Страница 21: ... verify 24 volts between terminals G and C in the air handler Replace the thermostat if defective UNIT OFF ON HIGH PRESSURE CONTROL Discharge pressure too high In COOLING mode Lack of or inadequate water flow Entering water temperature is too warm Scaled or plugged condenser In HEATING mode Lack of or inadequate air flow Blower inoperative clogged filter or restrictions in duct work Refrigerant ch...

Страница 22: ...nt from discharge of suction side of compressor Replace reversing valve Operating pressures Compare unit operation pressures to the pressure temperature chart for the unit TXV Check TXV for possible restriction or defect Replace if necessary Moisture noncondensables The refrigerant system may be contaminated with moisture or noncondensables Reclaim refrigerant replace filter dryer evacuate the ref...

Страница 23: ...tent 2 Time delay relay or control board defective 3 If high pressure switch present go to Flash Code 2 information 4 If low pressure switch present go to Flash Code 1 information YELLOW ALERT FLASH CODE 4 Locked Rotor 1 Run capacitor has failed may not be bad verify 2 Low line voltage contact utility if voltage at disconnect is low Check wiring connections 3 Excessive liquid refrigerant in compre...

Страница 24: ... and connectors between supply and the compressor R terminal 2 Compressor run winding is damaged Check compressor motor winding resistance YELLOW ALERT FLASH CODE 8 Welded Contactor Compressor always runs 1 Compressor contactor has failed closed 2 Thermostat demand signal not connected to module YELLOW ALERT FLASH CODE 9 Low Voltage Control circuit 17VAC 1 Control circuit transformer is overloaded...

Страница 25: ...8 8 146 177 378 459 7 9 16 19 LM024 Full Load 30 4 76 92 242 297 3 4 13 14 8 80 97 249 304 2 3 13 15 40 4 125 151 180 221 14 18 19 22 89 108 255 312 4 5 15 17 8 120 146 169 207 8 10 20 23 93 113 261 320 3 3 16 18 50 4 134 163 211 258 14 18 18 21 106 118 267 327 5 6 17 19 8 129 157 198 242 8 10 19 23 110 126 274 335 3 4 18 21 60 4 139 169 241 295 14 17 18 21 113 138 280 342 6 7 19 22 8 134 163 227 ...

Страница 26: ...16 40 4 5 122 149 183 224 14 18 19 23 87 106 257 314 4 5 15 18 9 0 117 143 172 210 8 10 20 24 91 111 263 322 3 3 16 19 50 4 5 131 160 214 261 14 18 18 22 95 105 269 329 5 6 17 20 9 0 126 154 201 245 8 10 19 24 100 125 276 337 3 4 18 22 60 4 5 136 166 244 298 14 17 18 22 111 136 282 344 6 7 19 23 9 0 131 160 230 281 8 10 19 23 117 143 289 353 4 5 20 24 70 4 5 141 172 275 336 14 17 17 21 124 152 294...

Страница 27: ...18 22 12 0 113 138 182 223 12 14 20 24 88 108 299 365 5 6 19 23 50 6 0 127 155 226 276 21 25 18 22 92 110 305 373 9 11 20 25 12 0 122 149 213 260 12 14 19 24 98 120 313 383 6 7 21 26 60 6 0 131 160 259 316 21 25 18 22 108 132 320 391 10 13 23 28 12 0 126 154 243 297 12 14 19 23 113 138 328 400 7 9 24 29 70 6 0 136 166 291 355 20 25 17 21 120 147 334 408 12 15 25 31 12 0 130 159 273 334 12 14 18 22...

Страница 28: ...15 19 21 26 81 99 277 339 7 8 22 26 14 0 114 139 170 208 11 14 22 27 86 105 283 346 5 6 23 28 50 7 0 120 147 215 263 15 18 20 25 93 114 299 365 8 9 24 29 14 0 117 143 201 246 11 14 21 26 99 121 305 373 6 7 25 31 60 7 0 123 150 248 304 14 17 20 24 106 129 321 392 9 11 26 32 14 0 119 146 232 284 11 13 21 25 113 138 327 400 7 8 28 34 70 7 0 126 154 282 344 14 17 19 24 118 145 342 418 10 12 29 35 14 0...

Страница 29: ... 7 8 22 26 18 0 117 142 173 211 11 14 22 27 89 108 286 349 5 6 23 28 50 9 0 123 150 218 266 15 18 20 25 96 117 302 368 8 9 24 29 18 0 120 146 204 249 11 14 21 26 102 124 308 376 6 7 25 31 60 9 0 126 153 251 307 14 17 20 24 109 132 324 395 9 11 26 32 18 0 122 149 235 287 11 13 21 25 116 141 330 403 7 8 28 34 70 9 0 129 157 285 347 14 17 19 24 121 148 345 421 10 12 29 35 18 0 125 152 266 325 10 13 2...

Страница 30: ...30 Wiring Diagrams LM CS Series Heat Pump LM CS Series Heat Pump 8 733 920 847 2014 01 Subject to change without prior notice WIRING DIAGRAMS Figure 17 ...

Страница 31: ...Dimensional Drawings 31 LM CS Series Heat 8 733 920 847 2014 01 Revised 01 14 DIMENSIONAL DRAWINGS ...

Страница 32: ...32 Notes LM CS Series Heat Pump LM CS Series Heat Pump 8 733 920 847 2014 01 Subject to change without prior notice NOTES ...

Страница 33: ...Notes 33 LM CS Series Heat 8 733 920 847 2014 01 Revised 01 14 ...

Страница 34: ...34 Notes LM CS Series Heat Pump LM CS Series Heat Pump 8 733 920 847 2014 01 Subject to change without prior notice ...

Страница 35: ...Notes 35 LM CS Series Heat 8 733 920 847 2014 01 Revised 01 14 ...

Страница 36: ...601 N W 65th Court Ft Lauderdale FL 33309 Phone 866 642 3198 Fax 954 776 5529 www boschtaxcredit com www FHP MFG com Revised 01 14 ...

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