Manual code 75803707A.0708
Page 3 of 64
CONTENTS
1 HOW TO USE THIS MANUAL 5
1.1 IMPORTANT WARNINGS 5
2 WARRANTY 6
3 DESCRIPTION OF THE UNIT 7
3.1 UNIT CODE 7
3.1.1 O / OVER (UPFLOW DISCHARGE) 8
3.1.2 U / UNDER (DOWNFLOW DISCHARGE) 8
3.2 OPERATING LIMITS 9
4 INSTALLATION PROCEDURE 10
4.1 TRANSPORTATION 10
4.2 RECEIVING THE MACHINES ON SITE 11
4.3 POSITIONING THE UNIT AND INSTALLATION CLEARANCES 12
4.4 PLENUMS AND PLINTHS 13
4.4.1 INSTALLATION OF PLENUMS AND DUCT SECTIONS 14
4.4.2 INSTALLATION OF THE ADJUSTABLE PLINTHS 14
4.5 CEA AIR-COOLED CONDENSERS 15
4.6 WATER CONNECTIONS 17
4.6.1 CONDENSATE DRAIN AND SIPHONS 17
4.6.2 WATER-COOLED CONDENSERS 18
4.6.3 PRESSURE CONTROLLED VALVE 18
4.6.4 WATER COILS 19
4.6.5 INTERNAL IMMERSED ELECTRODE HUMIDIFIER 20
4.7 REFRIGERANT CIRCUIT CONNECTIONS 21
4.7.1 DISCHARGE OR HOT GAS LINE 21
4.7.2 LIQUID OR RETURN LINE 21
4.7.3 NON-RETURN VALVES ON DISCHARGE AND RETURN LINES 21
4.7.4 SOLENOID VALVE ON THE LIQUID LINE 22
4.7.5 VERY LOW EXTERNAL TEMPERATURE KIT 23
4.7.6 ROUTING OF THE REFRIGERANT CIRCUIT PIPES 24
4.7.7 DIAMETERS OF REFRIGERANT CIRCUIT CONNECTION PIPES 25
4.7.8 COMPLETION OF THE REFRIGERANT CHARGE 26
4.7.9 PRESSURE REGULATOR OF CEA CONDENSERS 28
4.8 ELECTRICAL CONNECTIONS 29
4.8.1 INSTALLATION OF THE REMOTE CONTROL INTERFACE 30
4.8.2 INSTALLATION OF THE REMOTE CONTROL TERMINAL AT A DISTANCE OF
OVER 50 M 31
5 CHECKS AND FIRST STARTUP 32
6 DEACTIVATION, DISASSEMBLY AND SCRAPPING 35
7 USE OF THE AIR CONDITIONING UNIT 36
7.1 TEMPERATURE CONTROL 36
7.1.1 PROPORTIONAL CONTROL 36
7.1.2 PROPORTIONAL + INTEGRAL CONTROL 36
7.1.3 PROPORTIONAL + INTEGRAL + DERIVATIVE CONTROL 36
7.1.4 DIRECT EXPANSION AIR CONDITIONERS 37
7.1.5 CHILLED WATER AIR CONDITIONER 37
7.1.6 HEATING WATER COILS 37
7.1.7 COOLING CAPACITY CONTROL WITH HOT GAS INJECTION VALVE 38
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