How To Go To For Serviceman - Ferroli OMNIA H Series Installation, Maintenance And User Manual

User interface
COMMUNICATION
E
Y
X
B
fi g. 7
A B X Y E
"PLEASE USE SHIELDED WIRE AND EARTH THE WIRE."

How to go to FOR SERVICEMAN

Go to MENU> FOR SERVICEMAN. Press OK
The password is 666. Use ◄ ► to navigate and use ▼ ▲ to
adjust the numerical value. Press OK. The following page is
displayed:
Use to scroll and use "ok" to enter submenu for
▼ ▲
setting the parameters.
☞
NOTA
ON/OFF by digital input or switch .(refer to room thermostat)
COOL/HEAT mode managment by digital input. (refer to room thermostat)
Description of terms
The terms related to this unit are shown in the table below
Parameter
Outlet water temperature of the unit or of the backup heater (if installed)
T1
Outlet water temperature sent to the system (in case of additional heating source as a gas boiler is installed)
T1B
Target outlet water temperature
T1S
Temperature of refrigerant at outlet/inlet of plate heat exchanger when in heat mode/cool mode
T2
Temperature of refrigerant at inlet/outlet of plate heat exchanger when in heat mode/cool mode
T2B
Temperature of tube at outlet/inlet of condenser when in cool/heat mode
T3
Outdoor air temperature
T4
Temperature of domestic hot water (misured by the temperature probe installed on the DHW tank)
T5
Refrigerant suction temperature
Th
Refrigerant discharge temperature
Tp
_in Inlet water temperature of plate heat exchanger
TW
_out Outlet water temperature of plate heat exchanger
TW
Additional heating source (for example a gas boiler)
AHS
The first stage of the backup heater (if installed)
IBH1
IBH2 The second stage of the backup heater (if installed)
Backup heater in the domestic hot water tank (if installed)
TBH
Refrigerant evaporate/condense pressure in cool/heat mode
Pe
A
A B X Y E
INSTALLATION
☞
NOTE
Questo dispositivo supporta il protocollo di comunicazione Modbus RTU.
Wire type
Wire section
Maximum wire length
Connect the communication cable between indoor unit and remote control
keeping the correspondence of the letters indicated on the terminals (A with
A, B with B....).
Procedure:
1. Remove the rear part of the user interface.
2. Connect the cable to the appropriate terminals as shown in the picture
3. Reattach the rear part of the user interface
FOR SERVICEMAN
1. DHW MODE SETTING
2. COOL MODE SETTING
3. HEAT MODE SETTING
4. AUTO MODE SETTING
5. TEMP.TYPE SETTING
6. ROOM THERMOSTAT
7. OTHER HEATING SOURCE
ENTER
OK
Description
5 wire shielded cable
AWG18-AWG16(0.75~1.25mm2)
50m
FOR SERVICEMAN
Please input the password:
ENTER
OK
FOR SERVICEMAN
8. HOLIDAY AWAY MODE SETTING
9. SERVICE CALL SETTING
10. INITALIZE MANUALLY
11. TEST RUN
12. SPECIAL FUNCTION
13. AUTO RESTART
SCROLL
ENTER
OK
0 0 0
ADJUST SCROLL
SCROLL
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