SYSTEMP – Installation Operation Manual (IOM SYSTEMP rev.N)
Table Of Contents
- WARRANTY CONDITIONS
- 1 DESCRIPTION OF UNITS AND OPERATING LIMITS
- 2 TRANSPORTATION, POSITIONING AND INSTALLATION PROCEDURES
- 3 PLENUMS, VENTILATED PLENUMS AND DUCT SECTIONS (ACCESSORY)
- 4 FREE COOLING PLENUM (ACCESSORY)
- 5 ADJUSTABLE AND VENTILATED PLINTHS (ACCESSORY)
- 6 TMC AIR-COOLED CONDENSER PLACEMENT AND INSTALLATION
- 7 CONNECTION OF CONDENSATE DISCHARGE AND HUMIDIFIER
- 8 WATER CIRCUIT CONNECTIONS
- 9 COOLING CONNECTIONS
- 9.1 ROUTING OF THE COOLING CIRCUIT PIPES
- 9.2 COOLING CIRCUIT SIZING
- 9.3 COOLING CIRCUIT INSTALLATION
- 9.4 UNIT COOLING PIPE CONNECTION
- 9.5 AIR-COOLED CONDENSER CONNECTION
- 9.6 COOLING CIRCUIT VACUUM DRYING OPERATIONS
- 9.7 CHARGING THE COOLING CIRCUIT
- 9.8 PRECAUTIONS
- 9.9 LUBRICATING OIL FILLING IN THE CIRCUIT
- 9.10 TMC CONDENSER PRESSURE REGULATOR (ACCESSORY)
- 9.11 CHECKING THE REFRIGERANT LOAD AND COOLING CIRCUIT OPERATION
- 9.12 PRECAUTIONS AGAINST REFRIGERANT LEAKS
- 9.13 CHECKING THE MAXIMUM CONCENTRATION OF REFRIGERANT
- 10 EXAMPLES OF WATER AND COOLING CIRCUITS
- 10.1 EXAMPLE OF CHILLED WATER CIRCUIT
- 10.2 TMC AIR-COOLED CONDENSER COOLING CIRCUIT
- 10.3 COOLING CIRCUIT WITH SINGLE COMPRESSOR AND REMOTE CONDENSER
- 10.4 COOLING CIRCUIT WITH SINGLE COMPRESSOR AND WATER-COOLED CONDENSER
- 10.5 COOLING CIRCUIT WITH DOUBLE COMPRESSOR AND REMOTE CONDENSER
- 10.6 COOLING CIRCUIT WITH DOUBLE COMPRESSOR AND WATER-COOLED CONDENSER
- 10.7 TWO SOURCES WATER CIRCUIT WITH CHILLED WATER CIRCUITS
- 10.8 TWO SOURCES COOLING CIRCUIT WITH SINGLE COMPRESSOR AND REMOTE CONDENSER
- 10.9 TWO SOURCES COOLING CIRCUIT WITH SINGLE COMPRESSOR AND WATER-COOLED CONDENSER
- 10.10 TWO SOURCES COOLING CIRCUIT WITH DOUBLE COMPRESSOR AND REMOTE CONDENSER
- 10.11 TWO SOURCES COOLING CIRCUIT WITH DOUBLE COMPRESSOR AND WATER-COOLED CONDENSER
- 10.12 COOLING CIRCUIT WITH FREE COOLING AND SINGLE COMPRESSOR
- 10.13 COOLING CIRCUIT WITH FREE COOLING AND DOUBLE COMPRESSOR
- 11 ELECTRICAL CONNECTIONS
- 11.1 RS485 SERIAL COMMUNICATION BOARD CONNECTION (Modbus RTU - BACnet MS/TP)
- 11.2 ETHERNET RJ45 PORT CONNECTION (Modbus TCP - BACnet IP - Web Server)
- 11.3 CANbus LAN CONNECTION (ACCESSORY)
- 11.4 REMOTE CONTROL TERMINAL CONNECTION (ACCESSORY)
- 11.5 WALL-MOUNTED TEMPERATURE AND HUMIDITY PROBE CONNECTION (ACCESSORY)
- 11.6 DUCTED TEMPERATURE AND HUMIDITY PROBE CONNECTION (ACCESSORY)
- 11.7 CONNECTION OF THE SMOKE AND FLAME DETECTORS SUPPLIED (ACCESSORY)
- 11.8 WATER DETECTION PROBE CONNECTION (ACCESSORY)
- 11.9 CONNECTION OF FREE COOLING PLENUM MOTORISED DAMPER ACTUATORS (ACCESSORY)
- 11.10 AIR-COOLED CONDENSER POWER SUPPLY AND REGULATION CONNECTION (ACCESSORY)
- 12 ROUTINE AND SPECIAL MAINTENANCE
- 13 DEACTIVATION, DISMANTLING AND DISPOSAL
- 14 APPENDIX 1: RECOMMENDED EQUIPMENT
- 15 APPENDIX 2: PRELIMINARY CHECKS AND FIRST START-UP
- 16 APPENDIX 3: FAULT DIAGNOSIS
- 17 NOTES
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9.9.5 CHECK OF CORRECT LUBRICATING OIL LOAD AND EVENTUAL CIRCUIT TOP-UP
It is always necessary to check whether lubricating oil needs to be added to the cooling circuit. The quantity of lubricating
oil depends on the total refrigerant load and system characteristics. To determine whether or not the cooling circuit needs to be
topped up with lubricating oil, the following formula can be used
TOP UP OIL (l) = (CIRCUIT OIL CONTENT (l) + OIL TRAP CONTENT (l)) - INITIAL COMPRESSOR
CONTENT (l)
Example calculation for a system with P series units, model 251, TMC 35 with LAC valve, with inverter compressor and piping
with a vertical upright of 10 and total equivalent length of 40 m:
• Initial content of lubricating oil in compressor: 1.7 l
• Total refrigerant load: 15 kg R410a; oil content requested in the circuit: 15 ÷ 8 = 1.875 l
• Number of oil traps: 2 x 7/8”; oil trap content: 2 x 0.027 = 0.054 l
• Required top-up: (1.875+0.054) - 1.7 = 0.23 l
9.9.6 LUBRICATING OIL TOP-UP IN THE CIRCUIT
If the lubricating oil in the compressor must be topped up, there are 2 charging types that can be used:
• OIL TOP-UP DURING THE VACUUM PHASE:
1) Connect a capillary to the air-cooled condenser.
2) Submerge the capillary in a container.
3) Fill the container with the amount of oil needed.
4) Connect the pressure gauge unit from the high pressure side.
5) Proceed with the vacuum operations from the high pressure side.
6) The oil will be drawn into the circuit.
7) Once charging is complete, proceed with the vacuum operations.
A Air-cooled condenser
B Pressure gauges
C Oil
D Vacuum pump
• OIL TOP-UP WITH REFRIGERANT CHARGING CIRCUIT:
1) For topping-up use a specic pump.
2) Connect the pump to the air-cooled condenser through the appropriate emission valve .
3) Connect the specic capillary to the intake valve.
4) Submerge the capillary in a container.
5) Fill the container with the amount of oil needed.
6) Activate the pump for the oil to enter the circuit.
A Condenseur à air
B Oil pump
C Oil
A
B
D
C
A
B
C