AERMEC PXA R User Manual

8
English
SETTINGS
To be done in the installation phase, only by expert personnel.
Some functions are not compatible with each other and, for
this reason, limits to Dip-Switch configurations have been set.
By turning on or off Dip-Switches inside the thermostat, we
get the following functions:
Sw 1 Dip 1 (Default OFF)
Water valve fitted:
- Present, set (ON).
- Absent, set (OFF).
Sw 1 Dip 2 (Default OFF)
Position of the water temperature probe:
- Water temperature probe positioned upline from the valve,
set (ON).
- Water temperature probe positioned downline from the
valve, set (OFF).
Sw 1 Dip 3 (Default OFF)
Water valve management:
- Optimised, set (ON).
heating mode: valve closure delayed compared to the
turning off of the ventilation;
cooling: valve closure earlier than the turning off of the
ventilation.
- Normal, set (OFF).
Sw 1 Dip 4 (Default OFF)
Probe adjustment:
- Fixed adjustment, set (ON).
- Dynamic correction, set (OFF),
calculated on the basis of the water temperature.
Sw 1 Dip 5 (Default OFF)
Heating mode enabling temperature:
- Reduced, set (ON).
Minimum water temperature 35 °C
- Normal, set (OFF).
Minimum water temperature 39 °C.
Sw 1 Dip 6 (Default OFF)
Cooling mode enabling temperature:
- Reduced, set (ON).
Maximum water temperature 22°C
- Normal, set (OFF).
Maximum water temperature 17°C
Sw 2 Dip 1 (Default OFF)
Selection of the type of system in which the fan coil is
inserted:
- four-pipe system - set (ON).
- two-pipe system - set (OFF).
Sw 2 Dip 2 (Default OFF)
Option not available
Sw 2 Dip 3 (Default OFF)
Air temperature probe enabling:
- Internal control panel probe,set (ON).
- Probe in fan coil, set (OFF).
Sw 2 Dip 4 (Default ON)
Presence of the electric heater:
- Present, set (ON).
- Absent, set (OFF).
123
4
5
6
12
3
4
ON
OFF
Sw1
Sw2
DIP-SWITCH CONFIGURATION
Water valve present
Water temperature probe upline from the valve
No electric heater
Electric heater present
Internal control panel probe
Option not available
four-pipe system
Maximum water temperature 22°C in cooling mode
Minimum water temperature 35°C in heating mode
Fixed probe correction
Optimised water valve management:
Dynamic Probe Correction
Minimum water temperature 39 °C in heating mode
Maximum water temperature 17 °C in cooling mode
two-pipe system
Factory setting
Probe in the fan coil
Normal water valve management:
Water probe downline from the valve
Water valve not fitted
Sw1
JP1
EXT
INT
Sw2
NOTES:
- In the fan coils equipped with an electrical heating element, the installation of the battery at an additional rank (accessory) is not permitted.
- For the correct functioning of the ambient probe SA, check the setting of Sw2 Dip3 and the position of the jumper JP1 (EXT/INT).

AERMEC PXA R Specifications

General

Brand	AERMEC
Model	PXA R
Category	Thermostat
Language	English