RDZ UMHPI, User Manual

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UMHPI
Industrial inverter air/water heat pumps with axial fans
9
6.4.1 DISPLAY
In normal view displays the outlet water temperature reported to tenths of degrees, or the alarm code if at least an alarm is
active. In case of multiple alarms activation, it will display the first alarm, while the second appears when the first is reset. Into the
menu mode, the display depends on the current position where you are.
6.4.2 LED
Compressor LED
•
ON if the compressor is running
•
OFF if the compressor is off
•
FLASHING if timings are in progress waiting for compressor’s start up
Sanitary water LED
•
ON if sanitary mode is active
•
OFF if the sanitary mode is not active
•
FLASHING if sanitary production in progress (sanitary valve is active)
Defrosting LED
•
ON in defrost operating mode
•
OFF if defrosting mode is disabled or completed
•
FLASHING if defrosting cycle interval’s time is in progress.
Antifreeze electric heater LED
•
The LED is ON if the antifreeze electric heater is active.
Water pump LED
•
The LED is ON if the water pump is running.
Alarm LED
•
The LED is ON if an alarm is activated.
Heating mode LED
•
The LED is ON if the unit is in the heating mode operation.
Cooling mode LED
•
LED is ON if the unit is in the cooling mode operation.
6.5 INPUT/OUTPUT (I/O) PORTS
The I/O (inputs and outputs) that can be set to enable the control functions are listed below.
In order to set the I/O please enter with service password to the parameters
PRG

PSS

PRG

(insert the service
password)

PRG

Par

PRG

CnF.
Ports Parameter Terminals
Factory Setting
Description
Value
Function Description
ST8 H19
AID2
/
AID2
0 Not set
Programmable analog input with NTC sensor 10k Ώ at 25°C β
3435
ID2 H39 ONOFF/ONOFF 2 From remote on/off Digital input, Voltage free contact. Active function by default.
ID3 H40 SW/SW 3
Remote summer/winter
commutation
Free voltage digital input.
To activate this function see paragraph 7.14.2
ID7 H44 AID2/AID2 0 Not set
Free voltage digital input, configurable in alternance of the
analog input ST8 (H19=0)
(1)
DO3 H58
AEH (phase)
AEHN (neutral)
0 Not set Single phase output 230Vac, 50Hz, 5A resistives, 1A inductives.
(2)
OC1 H61
NO1 (phase)
N1 (neutral)
NC1 (phase) 7 Plant circulator
Switching contact, single phase voltage 230Vac, 50Hz, 5A
resistive, 1A inductive.
•
NO1= Normally open
•
NC1= Normally-Closed
(1) Only for the model 125
(2) Not selectable if the GI2 is present
Standard on UMHPI V models and is present in the optional kit mod. Gi, in addition, the following I/O resources can be configured:
Ports Parameter
Terminals of
reference
Factory Setting
Description
Value Function
ST3E H24 AI1E/AI1E 0 Not set
Programmable analog input with NTC sensor
10k Ώ at 25°C β 3435
ST7E H28 AID1E/AID1E 0 Not set
Programmable analog input with NTC sensor
10k Ώ at 25°C β 3435
ID4E H49 AI1E/AI1E 0 Not set
Voltage free contact, configurable
alternatively to the analog input ST3E (H24=0)
ID6E H51 AID1E/AID1E 0 Not set
Free voltage digital input, configurable
alternatively to the analog input ST7E
(H28=0)