UK.PPC150
-
300(SL)/R32
November
2022
—Version 2.1
Domestic hot water tank for Daikin Altherma Monobloc (R32)
Switch box
Carry out a thorough visual inspection of the switch box and look for obvious
defects such as loose connections or defective wiring.
Check for correct operation of contactor K3M by use of an ohmmeter. All
contacts of this contactor must be in open position.
Pressure relief valve hose
Check the condition and routing of the hose. Water must drain appropriately
from the hose.
Booster heater of the domestic hot water tank
It is recommended to remove lime build up on the booster heater to extend its
life span, especially in regions with hard water. To do so, drain the domestic hot
water tank, remove the booster heater from the domestic hot water tank and
immerse in a bucket (or similar) with lime
-
removing product for 24 hours.
10
Troubleshooting
10.1
Overview: Troubleshooting
This chapter describes what you have to do in case of problems. It contains
information about solving problems based off symptoms.
Before troubleshooting
Carry out a thorough visual inspection of the unit and look for obvious defects
such as loose connections or defective wiring.
10.2
Precautions and troubleshooting
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
WARNING
When carrying out an inspection o the switch box of the unit, AL-
WAYS make sure that the unit is disconnected from the mains. Turn
off the respective circuit breaker.
When a safety device was activated, stop the unit and find out why
the safety device was activated before resetting it. NEVER bridge
safety devices or change their values to a value other than the
factory default setting. If you are unable to find the cause of the
problem, call your dealer.
WARNING
Prevent hazards due to inadvertent resetting of the thermal cut
-
out: this appliance MUST NOT be supplied through an external
switching device, such as a timer, or connected to a circuit that is
regularly turned ON and OFF by the utility
10.3
Solving problems based on symptoms
10.3.1
Symptom: No water flow from hot taps
Possible causes
Corrective action
The main water supply is OFF
The cold water inlet pressure reducing
valve is not fitted properly.
The strainer is blocked.
Turn OFF the water supply, remove
and clean the strainer of the Inlet
control group (field supply).
The cold water inlet pressure reducing
valve is not fitted properly.
Check and refit as required.
10.3.2
Symptom: The water from the hot taps is cold
Possible causes
Corrective action
The thermal cut
-
out(s) has/have oper-
ated.
Check and reset the button(s)
The unit is NOT operating.
Check unit operation. Refer to the
manual delivered with the unit. If any
faults are suspected, contact your
dealer.
10.3.3
Symptom: Intermittent water discharge
Possible causes
Corrective action
Thermal control failure (water will be
hot).
•
Turn OFF the power to the unit.
•
When discharge has stopped, check
the thermal controls and replace if
faulty.
•
Contact your local dealer.
The expansion vessel is broken.
Replace the expansion vessel.
10.3.4
Symptom: Continuous water discharge
Possible causes
Corrective action
Cold water inlet pressure.
Check the pressure reducing valve.
Replace the pressure reducing valve if
the measured pressure is >2.1 bar
Temperature and pressure relief valve.
Check and reset button.
The expansion relief valve is not
functioning properly
Check for correct operation of the
pressure relief valve by turning the red
knob on the valve counter clockwise:
•
If your do not hear a clacking sound,
contact your local dealer.
•
In case the water keeps running out
of the unit, close both the water
inlet and outlet shut
-
off valves first
and then contact your local dealer.
11
Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling the of the
system, treatment of the refrigerant, oil and other parts MUST
comply with applicable legislation. Units MUST be treated at a
specialised treatment facility for reuse, recycling and recovery.
Содержание UK.PPC150SL/R32
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