CLIMAVENETA HWD 602 Manual Del Usuario página 58

U I A
To operate correctly, the HWD terminal must be com-
bined with a room thermostat with summer/winter and fan
speed selector functions located in the room being air con-
ditioned
These functions are performed by the PTH2 accessory.
Description of the PTH2 electromechanical control unit
The PTH2 control unit acts as:
1. fan speed selector to select a fan speed from minimum,
medium and maximum. The set value of maximum
speed only can be modified using the potentiometer on
the unit's electronic board
2. summer/winter/fan selector
3. room thermostat
4. ON/OFF switch
5. automatic/manual selector
CHECKING AND STARTING UP THE UNIT
PRELIMINARY CHECKS
- Check the internal unit is correctly positioned and that
electrical and hydraulic connections are correct;
- check that the voltage and frequency are equal to 230V
±10%;
- check that the screws fastening the conductors to the
electrical components have not worked loose;
- check the condensate drain connection;
- check that the outlet is ducted;
- check there is no air in the hydraulic circuit;
- check the hydraulic circuit for tightness.
26 English 07/13
OPERATING MODES HWD
Once summer or winter mode has been selected,
operation of the unit at the speed selected is controlled
exclusively by the room thermostat.
STARTING UP
- Start up the unit in the required mode: cooling only or
heating;
- check that the unit is configured in the correct mode;
- start up the unit using the remote control device. Check
all functions;
- check that the absorption of the fan is below the peak
current indicated in the table;
- check correct fan speed calibration in relation to the re-
quirements of the system.
I A
HWD