Troubleshooting; General Guidelines; General Symptoms; Technical Specifications - Rotex RKHWE300A3V3 Manuel D'installation

T
ROUBLESHOOTING
This section provides useful information for diagnosing and correct-
ing certain troubles which may occur in the unit.

General guidelines

Before starting the troubleshooting procedure, carry out a thorough
visual inspection of the unit and look for obvious defects such as
loose connections or defective wiring.
Before contacting your local dealer, read this chapter carefully, it will
save you time and money.
When carrying out an inspection on the supply panel or on
the switch box of the unit, always make sure that the circuit
breaker of the unit is switched off.
When a safety device was activated, stop the unit and find out why
the safety device was activated before resetting it. Under no circum-
stances safety devices may be bridged or changed to a value other
than the factory setting. If the cause of the problem cannot be found,
call your local dealer

General symptoms

Symptom 1: No water flow from hot taps
P
OSSIBLE CAUSES
The main water supply is off.
Symptom 2: Water from hot taps is cold
P
OSSIBLE CAUSES
The thermal cut-out(s) has/have
operated
The indoor unit (RKHBH/X) is not
operating.
T
ECHNICAL SPECIFICATIONS
Domestic hot water tank specifications
Volume
Internal heat exchanger volume
Overall dimensions (Ø x H)
Booster heater, power supply
Booster heater, running current
Booster heater, capacity
Connections
Weight (empty)
Mounting
Maximum pressure
Maximum domestic hot water
temperature
Maximum temperature through heat
exchanger
Installation manual
6
C
ORRECTIVE ACTION
Check that all shut off valves of the
water circuit are completely open.
C
ORRECTIVE ACTION
• Check and reset button(s).
• Put the thermostat setting for
domestic hot water on the indoor unit
to ≤75°C.
• Check if thermistor is correctly
installed in thermistor socket.
Check the indoor unit (RKHBH/X)
operation. Refer to the manual
delivered with the indoor unit.
If any faults are suspected, contact
your local dealer.
RKHWE300A3V3
300 l
3 l
660 x 1525 mm
230 V 50 Hz 1P
13 A
3 kW
Refer to figure "Main
components" on page 2
140 kg
Floor
10 bar
75°C
110°C
N
OTES
Domestic hot water tank for air to water heat pump system
RKHWE300A3V3
4PW50208-1