Watts Industries CLIMATIC CONTROL-H, Инструкция по установке и эксплуатации

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PPLIMP2350Bb page 36
GB
9. TROUBLE-SHOOTING
X. TROUBLE
X.X
Possible reason Elimination
1.
The display shows
1.1
at
13
Disconnected outside temperature sensor
Check whether the connection of sensor cable is correct.
Check the cable for damages.
Replace the cable or the sensor, if necessary.
1.2
at
5
Disconnected flow temperature sensor
Check whether the connection of sensor cable is correct.
Check the cable for damages.
Replace the cable or the sensor, if necessary..
2. Incorrect flow temperature
2.1
Too high flow temperature due to incorrectly con-
nected valve drive (reverse action)
Check the connection of the valve drive (

5.2
).
2.2
Too low flow temperature due to incorrectly con-
nected valve drive (reverse action)
Check the connection of the valve drive (

5.2
).
2.3
Incorrect selected operation mode Select the correct mode of operation.
2.4
When Controller operating in AUTOMATIC mode:
- incorrect programming of built-in or user pro-
gram
- incorrect setting of time / day of the week
- Check the factory program or the user program settings
and pay attention to the correct setting of NORMAL and
REDUCED temperature periods of operation.
- Check the setting of the time / day of the week.
3. The pump or the valve drive does not work
3.1
Cable connections reversed. Check the electric connections (

5.2
).
3.2
Pump connected to temperature limiter. - Check the electric connection (

5.2
).
- Check the maximum temperature setting of the TB.
- Check the ambient temperature of the TB. If necessary,
change its position.
- Check the TB operation. Replace it if necessary.