Dunham-Bush HRSC - D Скачать руководство пользователя страница 27 | Manualshive

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(SUPPLIED BY OTHERS)

3/4" DIA MOUNTING HOLES (9)

SPREADER BAR ASSEMBLY

2 1/2" DIA. LIFTING HOLES

POWER

KNOCKOUT

SPREADER BAR

ISOLATOR ASSEMBLY (FRONT VIEW)

(CONTROL BOX)

MIDPOINT

UNIT ISOLATOR (OPTIONAL)

UNIT FRAME RAIL

(SHIPPED LOOSE WITH ISOLATOR OPTION ONLY)

18

1

13 3/8

ISOLATOR CROSS RAIL

*

*

6

1

1

2

3

3

2

(9) 3/4 DIA. HOLES SUPPLIED

FRONT

1

2

3

6

1

26

HRSC 50-150 ISOLATOR INSTRUCTIONS

HRSC 50-150 RIGGING INSTRUCTIONS

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Содержание HRSC - D

Страница 1: ...loading System 7 Control Settings 8 9 Sequence of Operation 9 10 Optional Microcomputer Controller 10 thru 16 Electrical Data 60 Hz 17 18 Typical Power Wiring 19 Typical Control Wiring Electro Mechani...

Страница 2: ...control system If the package is installed operated and maintained with care and attention to the instructions contained herein it will give many years of satisfactory service It is assumed the user...

Страница 3: ...30 LOCATION CLEARANCE Location of the equipment and the size of the equipment room require careful consideration of the following factors 1 Route by which the chiller will be moved within the build i...

Страница 4: ...ld be followed for multiple unit application NOTE A constant chilled water flow rate is assumed to be maintained through all coolers Parallel Chilled Water Flow Units Method A Both units operate simul...

Страница 5: ...TYPICAL CHILLED WATER PIPING TYPICAL MULTIPLE PACKAGED CHILLER WATER CONNECTIONS 4 PARALLEL FLOW PARALLEL FLOW SERIES FLOW...

Страница 6: ...practices for re frigeration systems Use small screw unit start up report Form NS1157 to record all temperature pressure electrical readings and control set tings A copy must be forwarded to Dunham Bu...

Страница 7: ...holding tank must be clean and free of any mois ture Evacuate tank to 200 microns The holding tank can be a receiver or reclaiming tank of a size large enough for the total oil change and must be abl...

Страница 8: ...supply water temperature The slide valve will move to the left loading by force of discharge pressure whenever UL 1 opens to permit flow to SLIDE VALVE UNLOADING SYSTEM the oil return low pressure li...

Страница 9: ...scharge Temperature OS 4 Compressor Solid State Module CSTM 5 Low Water Temperature T2 6 Phase Loss Monitor PLM 7 Control Circuit Breaker CB1 If any of these devices should open due to abnormal condit...

Страница 10: ...coming Power Terminal Block Warning DO NOT REVERSE THE LEADS ON THE PHASE LOSS MONITOR FOR THIS WILL ALLOW THE COMPRESSORS TO RUN BACKWARDS CAUSING SEVERE DAMAGE AND WILL VOID THE COMPRESSOR WARRANTY...

Страница 11: ...r This motor starter is then held in by C1 N O auxiliary contacts After five seconds TD9 N O contacts close de energizing Star contactor S1 and energizing run contactor C2 through S1 N O auxiliary con...

Страница 12: ...clear was performed This records up to 65 000 cycles C CURRENT TARGET VALUE VALUE VALUE VALUE The values under CURRENT and TARGET give different operating analog input values and setpoints for differ...

Страница 13: ...NTER to continue The last ENTER will store the new date and time WARNING Setting the clock will cause a system reset The entire unit will shut down and start over again If the change was started inadv...

Страница 14: ...of each of the functions follows 4 1 Capacity Control of Screw Compressors The capacity of a compressor can be controlled manually or automatically The status of a compressor can be observed by displa...

Страница 15: ...lly it can be com manded to load hold or unload If current limit is active it will not accept a load command CAUTION Anti recycle timer is bypassed by NOTE All compressors will revert back to auto mat...

Страница 16: ...cuit drops below the low pressure B setpoint a time delay is initiated If the pressure stays below the setpoint during the time period all compressors on the circuit will be locked off and the low pre...

Страница 17: ...indi cates a loose wire blown fuse defective sensor or faulty analog board 4 19 External Shutdown Indication No Run Alarm A No Run control point error is generated if the computer tries to start or ru...

Страница 18: ...08 230 Y D 205 179 409 347 436 600 460 XL 91 74 485 422 188 250 460 Y D 91 74 162 141 188 250 208 230 XL 205 205 1228 1228 462 600 120 208 230 Y D 205 205 409 409 462 600 460 XL 91 91 485 485 205 250...

Страница 19: ...1415 1415 1415 1415 471 462 600 600 208 230 XL 209 209 209 209 472 472 472 472 471 462 600 600 460 Y D 98 98 98 98 539 539 539 539 403 500 460 XL 98 98 98 98 180 180 180 180 403 500 208 230 Y D 209 2...

Страница 20: ...19 TYPICAL HRSC 150 POWER WIRING 460 3 60 COMPRESSOR MOTORS 1 2 SEE NOTE 5...

Страница 21: ...20 TYPICAL HRSC 150 CONTROL WIRING Electrical Mechanical...

Страница 22: ...21 TYPICAL HRSC 150 CONTROL WIRING Optional Micro Computer Controller...

Страница 23: ......

Страница 24: ...3 CIRC 180 210 225 4 CIRC 240 255 270 300 CAP t HOT GAS REGULATOR SOLENOID VALVE HOT GAS BYPASS OPTION CIRC 1 ONLY TACCESS VALVE COUPL ING ACCESS VALVE CHECK COUPLING VALVE DISCHA RG E RFW Sum comp SC...

Страница 25: ...1 SPD SD Condenser Size 70 70 70 140 140 140 140 140 Refrigerant Charge R22 lbs 1 96 130 156 208 228 247 280 312 HRSC Operating Weight lbs 2 1700 2100 2325 3240 3555 4590 5415 5910 SEMI HERMETIC SCRE...

Страница 26: ...220 225 EXT18122J07DFRO 7 270 1060 240 255 270 300 EXT20122J07DFRO 8 300 1140 These chillers have welded heads All other chillers have removable heads NOTE Constant water flow through the evaporator i...

Страница 27: ...OUT SPREADER BAR ISOLATOR ASSEMBLY FRONT VIEW CONTROL BOX MIDPOINT UNIT ISOLATOR OPTIONAL UNIT FRAME RAIL SHIPPED LOOSE WITH ISOLATOR OPTION ONLY 18 1 13 3 8 ISOLATOR CROSS RAIL 6 1 1 2 3 3 2 9 3 4 DI...

Страница 28: ...HOLES HOLES 6 SUPPLIED ISOLATOR MOUNTING 2 1 2 DIA LIFTING HOLES 4 BY OTHERS CONDENSER BUMPER RAIL 6 3 4 DIA HOLES SUPPLIED FILTER DRIER COMPRESSOR COMPRESSOR 2 2 75 3 1 2 75 12 1 2 CONTROL BOX END 1...

Страница 29: ......

Страница 30: ......

Страница 31: ...Check water flow thru cooler and correct as required COMPRESSOR CYCLES ON HIGH PRESSURE CONTROL 1 Compressor discharge valve partially closed 1 Open valve fully 2 Non condensible gases in system 2 Ope...

Страница 32: ...k tested and corrected as _________ _________ necessary Before Start Up a Open compressor discharge service valve if supplied _________ _________ b Open liquid valve s _________ _________ c Open sucti...

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