Daikin JEHBCU-0150-M-1 Technical Manual
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Daikin JEHBCU-0150-M-1 Technical Manual

Daikin JEHBCU-0150-M-1 Technical Manual

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Condensing unit
for medium temperature application
DRM Codes
JEHBCU-0150-M-1
JEHBCU-0150-M-3
JEHBCU-0225-M-1
JEHBCU-0225-M-3
JEHBCU-0300-M-1
JEHBCU-0300-M-3
JEHBCU-0400-M-3
JEHBCU-0500-M-3
JEHBCU-0600-M-3
JEHBCU-0675-M-3
JEHBCU-0825-M-3
JEHBCU-1000-M-3
T-CU01-NOV17-1
Technical Manual
DMSS Codes
LRMRS0150AXV1
LRMRS0150AXY1
LRMRS0225AXV1
LRMRS0225AXY1
LRMRS0300AXV1
LRMRS0300AXY1
LRMRS0400AXY1
LRMRS0500AXY1
LRMRS0600AXY1
LRMRS0675AXY1
LRMRS0825AXY1
LRMRS1000AXY1
Condensing unit
for low temperature application
DRM Codes
JEHBCU-0175-L-1
JEHBCU-0175-L-3
JEHBCU-0225-L-1
JEHBCU-0225-L-3
JEHBCU-0350-L-3
JEHBCU-0400-L-3
JEHBCU-0725-L-3
JEHBCU-0825-L-3
DMSS Codes
LRLRS0175AXV1
LRLRS0175AXY1
LRLRS0225AXV1
LRLRS0225AXY1
LRLRS0350AXY1
LRLRS0400AXY1
LRLRS0725AXY1
LRLRS0825AXY1
1

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Summary of Contents for Daikin JEHBCU-0150-M-1

  • Page 1 Technical Manual Condensing unit Condensing unit for medium temperature application for low temperature application DRM Codes DMSS Codes DRM Codes DMSS Codes JEHBCU-0150-M-1 LRMRS0150AXV1 JEHBCU-0175-L-1 LRLRS0175AXV1 JEHBCU-0150-M-3 LRMRS0150AXY1 JEHBCU-0175-L-3 LRLRS0175AXY1 JEHBCU-0225-M-1 LRMRS0225AXV1 JEHBCU-0225-L-1 LRLRS0225AXV1 JEHBCU-0225-M-3 LRMRS0225AXY1 JEHBCU-0225-L-3 LRLRS0225AXY1 JEHBCU-0300-M-1 LRMRS0300AXV1...

  • Page 2: Table Of Contents

    Nomenclature Standard Product Configuration Specifications Product System Cycle Outline Drawings Performance Data Wiring Diagram Safety and Health Installation & commissioning Checklist Service and Maintenance Trouble Shooting Exploded View T-CU01-NOV17-1...

  • Page 3: Nomenclature

    1. Nomenclature Digit Description L – Daikin low temperature air conditioner R – Outdoor Unit LR – Low Temp. Reciprocating; 3 & 4 MR – Medium Temp. Reciprocating Refrigerant, S – R404A Compressor horse power, 0150 – 1.5HP 6,7, 8 & 9 A –...

  • Page 4: Specifications

    MCC** Swept Oil type Oil Charge Operating Power Input Type LRC (A) FLC (A) volume m³/h (Danfoss) (cm³) Current (A)* DRM Codes DMSS Codes JEHBCU-0150-M-1 LRMRS0150AXV1 230V/1~/50Hz MTZ18-5VM 5.26 JEHBCU-0150-M-3 LRMRS0150AXY1 400V/3~/50Hz MTZ18-4VM 5.26 JEHBCU-0225-M-1 LRMRS0225AXV1 230V/1~/50Hz MTZ28-5VM 8.36 JEHBCU-0225-M-3...
  • Page 5 General Low Temperature Application Electrical Data Compressor Fan Motor Model MCC** Swept volume Oil type Oil Charge Operating Power Input Type LRC (A) FLC (A) m³/h (Danfoss) (cm³) Current (A)* DMSS Codes DRM Codes LRLRS0175AXV1 230V/1~/50Hz NTZ48-5VM JEHBCU-0175-L-1 LRLRS0175AXY1 400V/3~/50Hz NTZ48-4VM JEHBCU-0175-L-3 Polyester oil...

  • Page 6: Product System Cycle

    Product System Cycle Series 2 MT : JEHBCU0150~JEHBCU0300 LRMRS0150~ LRMRS0300 Series 2 LT : JEHBCU0175~JEHBCU0225 LRLRS0175~ LRLRS0225 T-CU01-NOV17-1...
  • Page 7 Series 3 MT : JEHBCU0400~JEHBCU0675 LRMRS0400~ LRMRS0675 Series 3 LT : JEHBCU0350~JEHBCU0400 LRLRS0350~ LRLRS0400 T-CU01-NOV17-1...
  • Page 8 Series 4 MT : JEHBCU0825~JEHBCU1000 LRMRS0825~ LRMRS1000 Series 4 LT : JEHBCU0725~JEHBCU825 LRLRS0725~ LRLRS0825 T-CU01-NOV17-1...

  • Page 9: Outline Drawings

    5. Outline Drawings Series 2: JEHBCU0150~JEHBCU0300; LRMRS0150~ LRMRS0300; LRLRS0175~ LRLRS0225 Series 3: JEHBCU0350~JEHBCU0675 LRMRS0400~ LRMRS0675; LRLRS0350~ LRLRS0400 T-CU01-NOV17-1...
  • Page 10 Series 4: JEHBCU0725~JEHBCU1000 LRMRS0825~ LRMRS1000; LRLRS0725~ LRLRS0825 T-CU01-NOV17-1...

  • Page 11: Performance Data

    6. Performance Data R404A Medium Temperature (Rating Condition: Superheat 10K, Sub cooling 0K) MODEL DRM Codes DMSS Codes JEHBCU0150M1 LRMRS0150AXV1 CC (W) 1033 1438 1914 2459 3073 3758 4513 JEHBCU0150M3 LRMRS0150AXY1 PC (W) 1040 1137 1237 1339 1444 1550 1269 1708 2217 2796...
  • Page 12 R404A Low temperature (Rating Condition: Superheat 10K, Sub cooling 0K) MODEL DRM Codes DMSS Codes JEHBCU0175L1 LRLRS0175AXV1 CC (W) 1130 1499 1900 2333 1164 1401 1648 JEHBCU0175L3 LRLRS0175AXY1 PC (W) CC (W) 1018 1373 1753 2162 1.75 PC (W) 1196 1431 1676 CC (W)
  • Page 13 R134a (Rating Condition: Superheat 10K, Sub cooling 0K) MODEL DRM Codes DMSS Codes JEHBCU0150M1 LRMRS0150AXV1 CC (W) 1347 1826 2355 2934 3563 4242 JEHBCU0150M3 LRMRS0150AXY1 PC (W) 1013 CC (W) 1229 1671 2168 2720 3327 3989 PC (W) 1011 1075 CC (W) 1091 1481...

  • Page 14: Wiring Diagram

    7. Wiring Diagram Important Note: All wiring and connections to the condensing unit must be made in accordance to the local codes. Series 2 MT (230V/1ph/50Hz) JEHBCU0150M1, JEHBCU0225M1, JEHBCU0300M1 LRMRS0150AXV1, LRMRS0225AXV1, LRMRS0300AXV1 Series 2 MT (400V/3ph/50Hz) JEHBCU0150M3, JEHBCU0225M3, JEHBCU0300M3 LRMRS0150AXY1, LRMRS0225AXY1, LRMRS0300AXY1 T-CU01-NOV17-1...
  • Page 15 Series 2 LT (230V/1ph/50Hz) JEHBCU0175L1 LRLRS0175AXV1 JEHBCU0225L1 LRLRS0225AXV1 T-CU01-NOV17-1...
  • Page 16 Series 2 LT (400V/3ph/50Hz) JEHBCU0175L3, JEHBCU0225L3 LRLRS0175AXY1, LRLRS0225AXY1 T-CU01-NOV17-1...
  • Page 17 Series 3 MT (400V/3ph/50Hz) JEHBCU0400M3, JEHBCU0500M3, JEHBCU0600M3, JEHBCU0675M3 LRMRS0400AXY1, LRMRS0500AXY1, LRMRS0600AXY1, LRMRS0675AXY1 Series 3 LT (400V/3ph/50Hz) JEHBCU0350L3, JEHBCU0400L3 LRLRS0350AXY1, LRLRS0400AXY1 T-CU01-NOV17-1...
  • Page 18 Series 4 MT (400V/3ph/50Hz) JEHBCU0825M3, JEHBCU1000M3 LRMRS0825AXY1, LRMRS1000AXY1 Series 4 LT (400V/3ph/50Hz) JEHBCU0725L3, JEHBCU0825L3 LRLRS0725AXY1, LRLRS0825AXY1 T-CU01-NOV17-1...

  • Page 19: Safety And Health

    8. Safety and Health Important Note Only qualified specialists could carry out the installation, maintenance and commissioning of the system. To avoid potential injury, use care when working around coil surfaces or sharp edges of metal cabinets. All piping and electrical wiring should be installed in accordance with all applicable codes, ordinances and local by-laws.

  • Page 20: Installation & Commissioning

    9. Installation & Commissioning Unit site location • In order to achieve maximum cooling capacity, the installation location for the condensing unit should be carefully selected. • Install the condensing unit in such a way so that hot air ejected by the condensing unit cannot be drawn in again (short circuit of hot discharge air).
  • Page 21 Installation clearances • The installation location should allow sufficient space for air flow and maintenance around the unit. • Space not less than1.5m is necessary for installation or maintenance. Compressor handling To ensure compressor reliability, the condensing unit together with the compressor must not tilt greater than an angle of 45°.
  • Page 22 Field piping Important Note: Pipe sizing should only be determined by qualified personnel. All local codes of practice must be observed in the installation of refrigerant piping. To ensure satisfactory operation and performance, the following points should be noted for field piping arrangements: •...
  • Page 23 Pressure testing • It is recommended to use inert gas such as nitrogen for pressure testing. • The pressure differential between the high and low side of the compressor should not exceed 30 bar (435 psig). • Test pressures are : 19 bar (275 psig) on the Low Side 28 bar (405 psig) on the High Side Leak detection •...
  • Page 24 9.8 Electrical Important Note: The mains electrical supply to the condensing unit must be via a suitable motor rated circuit breaker or fuse. J&E Hall Basic Reciprocating condensing units require either a 230 volt / 1 phase / 50Hz supply or a 400 volt / 3 phase / 50Hz supply, both of which must include a Neutral and an Earth.
  • Page 25 9.10 Running the unit • Run the unit and check compressor and condenser fan operation. • Check system pressures and temperatures, gas charge and running currents of motors to ensure correct operation. • Check compressor superheat. • Final adjustment of safety switch setting. •...
  • Page 26 9.11 Safety pressure switch settings The pressure switch fitted to JEH model condensing units with auto reset for Low Pressure and manual reset for High Pressure is NOT factory preset. BOTH THE LP AND HP SWITCH SETTINGS MUST BE ADJUSTED TO SUIT THE APPLICATION BEFORE STARTING THE UNIT.
  • Page 27 9.11.3 Low pressure safety (Auto reset) The low pressure safety switch protects the compressor against deep vacuum operation, a potential cause of failure due to internal arcing and also operation outside the compressor limits. The low pressure safety cut out should never be set below the settings as shown in the following table. Refrigerant R404A R134a...

  • Page 28: Checklist

    10. Checklist • Check all electrical termination and circuits. • Check the service valves are fully open. • Check compressor oil level. • Check the pressure switch for right settings. • Ensure fan motor and fan blades are installed properly. •...

  • Page 29: Trouble Shooting

    4. Controls • Check settings and operation of pressure switches. • Check overload setting. 5. Power Supply – Inspect at regular intervals. • Check the running current and voltage for the condensing unit. • Check the electrical wiring and tighten the wires onto the terminal blocks if necessary 6.

  • Page 30: Exploded View

    13. Exploded View Series 2: PARTS NAME COMPRESSOR DTC VALVE LIQUID RECEIVER FAN MOTOR FAN PROPELLER CRANKCASE HEATER CONDENSER BASE PANEL ASSY FRONT PANEL (SP) TOP PANEL (SP) STRUCTURE FRONT PANEL (SP) REAR PANEL (SP) SERVICE PANEL (SP) PARTITION PANEL (SP) FRONT PILLAR REAR PILLAR VALVE PLATE...
  • Page 31 Series 3: PARTS NAME COMPRESSOR LIQUID RECEIVER COIL GUARD LEFT COIL GUARD REAR FAN GUARD FAN MOTOR FAN PROPELLER CRANKCASE HEATER OIL SEPARATOR CONDENSER BASE PANEL ASSY PANEL TOP (SP) PANEL FRONT (SP) PANEL RIGHT (SP) PANEL REAR (SP) FAN PANEL VALVE PLATE FRONT PILLAR REAR PILLAR...
  • Page 32 Series 4: LRMRS0825~1000AXY1 LRLRS0725~0825AXY1 PARTS NAME COMPRESSOR LIQUID RECEIVER COIL GUARD LEFT COIL GUARD REAR CRANKCASE HEATER OIL SEPARATOR CONDENSER BASE PANEL ASSY PANEL TOP (SP) PANEL FRONT (SP) PANEL RIGHT (SP) PANEL REAR (SP) FAN PANEL VALVE PLATE REAR PILLAR CONTROL BOX COVER PANEL MIDDLE (SP) SERVICE VALVE...

This manual is also suitable for:

Jehbcu-0150-m-3Jehbcu-0225-m-1Jehbcu-0225-m-3Jehbcu-0300-m-1Jehbcu-0300-m-3Jehbcu-0400-m-3 ... Show all

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