Zehnder EASY 5.0
3
16.6.1. Machine status ________________________________________________________________________________________ 43
16.6.2. Guidelines ____________________________________________________________________________________________ 44
16.6.3. Faults and alarms _____________________________________________________________________________________ 46
17.
On-board web server __________________________________________________________________________________ 48
18.
Temperature control modes ____________________________________________________________________________ 48
18.1.
Selection of temperature control mode _________________________________________________________________ 49
18.2. Constant supply air temperature _______________________________________________________________________ 50
18.3. Supply air temperature in relation to the outdoor temperature (supply air law) ______________________________51
18.4. Constant return air temperature ________________________________________________________________________ 51
18.5. Return air temperature in relation to the outdoor temperature (return air law) ______________________________ 52
19.
Fan controller modes __________________________________________________________________________________ 52
19.1. General ______________________________________________________________________________________________ 53
19.2
ECO controller ________________________________________________________________________________________ 53
19.3. DIVA controller ________________________________________________________________________________________ 54
19.4. LOBBY controller _____________________________________________________________________________________ 55
19.5. MAC2 controller_______________________________________________________________________________________ 56
19.6. QUATTRO controller___________________________________________________________________________________ 57
20.
Control of the electric air heater (BE) ____________________________________________________________________ 58
20.1. Modulation of thermal output __________________________________________________________________________ 58
20.2. Overheating protection via safety thermostat THS _______________________________________________________ 59
21.
Control of the hot water heating coil ____________________________________________________________________ 60
21.1.
Modulation of thermal output __________________________________________________________________________ 60
21.2. Frost protection thermostat (THA) ______________________________________________________________________ 60
21.3. Thermal output _______________________________________________________________________________________ 60
22.
Control of the hot water pump ___________________________________________________________________________61
23
Control of the cold water coil ____________________________________________________________________________61
23.1. Modulation of thermal output __________________________________________________________________________ 61
23.2. Frost protection ______________________________________________________________________________________ 62
23.3. Thermal output _______________________________________________________________________________________ 62
24.
Control of the cold water pump _________________________________________________________________________ 62
25.
Control of the electric fresh air preheating coil ___________________________________________________________ 62
26.
Control of the rotary heat exchanger ____________________________________________________________________ 64
26.1. General ______________________________________________________________________________________________ 64
26.2. Modulation of the heat recovery rate ____________________________________________________________________ 64
26.3. Rotary exchanger feedback ____________________________________________________________________________ 64
27.
Control of the plate heat exchanger _____________________________________________________________________ 65
27.1. General ______________________________________________________________________________________________ 65
27.2. Modulation of the heat recovery rate ____________________________________________________________________ 66
27.3. Protection against icing of the plate heat exchanger _____________________________________________________ 66
28.
LOBBY pressure transducers ___________________________________________________________________________ 68
29.
MAC2 / QUATTRO pressure transducers ________________________________________________________________ 69
30.
ECO / DIVA fan operating control pressure switches ______________________________________________________ 70
31.
PT1000 temperature sensor ____________________________________________________________________________ 71
32. CO
2
sensor ___________________________________________________________________________________________ 72
33.
Help with setting PID parameters _______________________________________________________________________ 73
34.
Control of the output voltage of the digital outputs DO ____________________________________________________ 75
35.
Presentation of the “PG 5.0” touchscreen _______________________________________________________________ 76
35.1. Technical specifications _______________________________________________________________________________ 76
35.2. Software version and regulatory compliance ____________________________________________________________ 76
35.3. PG 5.0 touchscreen basic settings _____________________________________________________________________ 77
35.4. Access level __________________________________________________________________________________________ 77
35.5. Dashboard and home pages ____________________________________________________________________________ 77
35.5.1. Home page 1 __________________________________________________________________________________________ 77
35.5.2. Home page 2 _________________________________________________________________________________________ 78
35.5.3. Home page 3 _________________________________________________________________________________________ 79
35.6. Navigation and menu access ___________________________________________________________________________ 79
Contents
Z-MASTER-V1122-CSY-INM-Zehnder Easy5.0