Troubleshooting; General Guidelines; General Symptoms; Disposal Requirements - Rotex RKHTS200A Manuel D'installation

T
ROUBLESHOOTING
This section provides useful information for diagnosing and
correcting 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.
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
circumstances 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 located in the
indoor unit has operated
The indoor unit (RKHBRD) is not
operating.
Symptom 3: Intermittent water discharge
P
OSSIBLE CAUSES
Thermal control failure (water will be
hot).
The expansion vessel is broken.
D
ISPOSAL REQUIREMENTS
Dismantling of the unit and treatment of parts must be done in
accordance with relevant local and national legislation.
Installation manual
7
C
ORRECTIVE ACTION
Check that all shut off valves of the
water circuit are completely open.
C
ORRECTIVE ACTION
• Check and find the cause of tripping
and then reset button.
• Check if thermistor is correctly
installed in thermistor socket.
Procedure: remove front panel and
insulation, replace or fix the sensor.
Check the indoor unit operation.
Refer to the manual delivered with
the indoor unit.
If any faults are suspected, contact
your local dealer.
C
ORRECTIVE ACTION
Contact your local dealer.
Replace the expansion vessel.
T
ECHNICAL SPECIFICATIONS
Domestic hot water tank specifications
Storage capacity
Internal heat exchanger
volume
Material
Overall dimensions (h x l x w)
(mm)
Connections
Weight (empty)
Mounting
Maximum pressure domestic
(bar)
hot water tank
Maximum primary working
(bar)
pressure (heating side)
Maximum temperature
(°C)
domestic hot water
Maximum temperature heat
(°C)
exchanger
Domestic hot water tank for air to water heat pump system
RKHTS200A RKHTS260A
200 260
(l)
7.5 7.5
(l)
Stainless steel Stainless steel
1335 x 600 x 695 1610 x 600 x 695
Quick coupling/ Quick coupling/
G 3/4" F G 3/4" F
70 78
On top of On top of
RKHBRD or floor RKHBRD or floor
mounted mounted
10 10
3 3
75 75
85 85
RKHTS200+260A
4PW56004-1