EN - 2
15.3 Forced stop of compressors
37
15.4 Time counter
37
15.5 Oil warm-up time
37
15.6 Management of electrical quantities
37
15.7 Limitation of operation of the machines based on the outdoor temperature:
38
15.8 Soft stop via the On/Off button:
39
16. CONTROLLING A THREE-WAY VALVE ON THE HOT WATER CIRCUIT FOR HYDROCIAT UNITS 39
17. MASTER/SLAVE CONTROL OF TWO PARALLEL-CONNECTED MACHINES
39
17.1 Operating principle:
40
17.2 General:
40
17.3 Management of the functions:
40
17.4 Controls:
41
17.5 Unit status menu
42
17.6 Management of pumps using P811 (pumps stopped by control):
42
18. CONTROLS
42
18.1 Main control in cooling and heating modes
42
18.2 Operating mode
43
18.3 Control setpoint calculation
44
18.4 Definition of the controller for PID control (water supply only)
45
18.5 Water return control for storage (CRISTOPIA)
47
18.6 Modulating control (water return only)
47
18.7 Automated self-regulating control
48
18.8 Compensation
48
19. CONDENSING PRESSURE CONTROL
48
19.1 Staged control for a machine with an air-cooled condenser
48
19.2 Fan speed control
50
19.3 Condensing pressure control on 3-circuit machines:
52
19.4 Control of air-cooled condenser for split-system unit and dry cooler
53
19.5 Total heat recovery
53
20. COMPRESSOR START-UP CYCLE
53
21. LIMIT MANAGEMENT
54
22 ASSIGNING A COMMUNICATION ADDRESS TO THE DIRIS ENERGY METER
55
23 MANAGEMENT OF THE PROTECTIONS FOR 3-CIRCUIT AIR-TO-WATER UNITS (MODULES 1 AND 2)
55
24. TIME SCHEDULES
55
24.1 Overview
55
24.2 Definition of program steps
55
24.3 Definition of holiday bands.
55
24.4 Operation
55
25 COMMUNICATION PROTOCOL
57
25.1 Communication interface.
57
25.2 Transmission mode.
58
25.3 Customer-accessible register
58
25.4 Customer access bit
59