KONVEKTA KL30/12V User manual

Konvekta AG
Am Nordbahnhof 5
34613 Schwalmstadt
Germany
+49 ( 0 ) 66 91 / 76 – 0
+49 ( 0 ) 66 91 / 76 - 200
[email protected]
www.konvekta.com
Instruction manual
for KONVEKTA air-conditioning
units
KL30 / KL30T
With KK2 control
Version:
- 12 or 24 volt DC
- Circulating air
- Circulating air/fresh air
- Circulating air/fresh air/heating
ID#: BBA-KL30T12AC
Version: A0
3

BAKL30T12AC Edition: 02.03.2017 Page: 2/11
Contents
Page:
•Introduction ..........................................................................................................................3
•Information on the operating instructions..........................................................................4
1. Technical data..................................................................................................................5
1.1. Pressure switches..............................................................................................................5
1.2. Compressor .......................................................................................................................5
2. Intended use.....................................................................................................................6
3. Generally information for a/c unit...................................................................................6
3.1. Operating conditions..........................................................................................................6
4. Operation..........................................................................................................................6
4.1. Front view of the controls...................................................................................................7
4.2. Temperature display ..........................................................................................................7
4.3. Self-test .............................................................................................................................7
4.4. Setting the required room temperature...............................................................................7
4.5. Disturbance display „temperature sensor error“ .................................................................8
4.6. Manual setting of the vaporiser fan speed..........................................................................8
4.7. Outside temperature display ..............................................................................................8
4.8. Switching between circulation air/fresh air function ............................................................8
4.9. Convector heating..............................................................................................................8
5. Maintenance / Servicing ..................................................................................................9
5.1. Compressor .......................................................................................................................9
5.2. Circulation air grid..............................................................................................................9
5.3. Condenser battery .............................................................................................................9
5.4. Troubleshooting ...............................................................................................................10
6. Warranty .........................................................................................................................10
7. Waste disposal in accordance with legal provisions ..................................................11
8. History of modification..................................................................................................11
Appendix:
•Maintenance Schedule Bus WP07050618

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Introduction
These operating instructions have been written for drivers, operators and the maintenance
staff of your air conditioning unit.
In this context, we refer implicitly to the compliance with our general installation guide-
lines. These can be obtained from the KONVEKTA technical after sales service:
[e-mail].
Please observe our valid safety instructions, available under www.konvekta.de/asv.html. In
case of order placement or any other conclusion of contract the safety instructions get in-
tegral part of the contract.
These operating instructions have to be read carefully and made use of before the first start-
up and after that regularly by each person who is involved in handling the machine:
•Operation including troubleshooting and waste disposal of fuels and auxiliary agents.
•Servicing, inspection, repair
•Transport
This facilitates the handling and avoids trouble caused by improper operation. Working in
compliance with these operating instructions increases operation reliability and service life of
the air conditioning unit and reduces life cycle costs.
Please complete these instructions by adding the national provisions for
prevention of accidents and environmental protection.
These instructions are part of the air conditioning unit. Always have a copy
at hand in the driver’s cabin.
You will certainly understand that we will not recognize any warranty claims due to un-
proper handling, inadequate maintenance, applications that do not correspond with the
determined use, utilization of unadmitted fuels or the non-observance of safety provi-
sions.
KONVEKTA will annul without prenotice all obligations concerning guarantee, service
contracts etc. regardless if granted by KONVEKTA or its distributors in case other than
original KONVEKTA spare parts or parts bought from KONVEKTA AG have been used
for maintenance and repair.
These operating instructions contain all necessary information to operate your air con-
ditioning unit. In case you need more explanations please contact the next KONVEKTA
service station

.

On our website www.konvekta.com in category >service< you will find a survey of contact details
of all our service partners close to your location

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Information on the operating instructions
These operating instructions are valid for the a/c-units type:
•KL30/12V •KL30T/12V
•KL30/24V •KL30T/24V
 We recommend that you supplement the paperwork with the following data when starting up
the unit. This will also be helpful for ordering replacement parts.
Air-conditioning unit series no: ...........................................
Order no: ..........................................
Year of construction: ................../ .............. ................. (MM/YY)
Start-up on: ................../ ............../................. (DD/MM/YY)
The machine is in accordance with the EC machinery directive 2006/42/EC.
The unit contains or needs fluorinated greenhouse gas for operation and is subject
to identification requirements in accordance with F-Gas Regulation 517/2014.
Due to the fact that scope of supply depends on the order, equipment of your product may
differ in some parts of description.
In case your product is equipped with details not shown or described in the operating in-
struction, your KONVEKTA -Service-Station will always be at disposal for informing you
about correct operation.
In the course of further developments we reserve the right to technical modifications without preno-
tice. Guarantee and liability conditions of KONVEKTA AG’s general business conditions are not
enlarged by the above notes.
Indications and photos should neither be copied and circulated nor used for competitor’s purposes.
All rights according to the copyright remain expressly reserved.
Manufacturer: KONVEKTA AG, Postfach 2280, D-34607 Schwalmstadt
Important!
The heating water/glycol must contain anti-freeze (adjust the mix ratio according to the supplier’s
instructions) for machines/vehicles which are equipped with a heating/air-conditioning unit. This is
necessary so that the heating thermal exchanger does not freeze during air-conditioning functions!
(Standard anti-freeze filled by the vehicle manufacturer is up to –40°C.)

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1. Technical data
Type: KL30 KL30T
Coolant R134a
GWP 1.430
Amount of coolant [kg] ca. 1.4 1.5
Operating voltage
or
[Volt DC] 12
24
12
24
Power consumption (3 stage) at 13V:
(3 stage) at 26V:
[Ampere] 44
22
58
29
Cooling power with SD7H15 [W] 10.000 10.000
Heating power Q=80 [Watt] 15.000 15.000
Vaporiser – air volume*, free-blowing [m
3
/h] 3 stage 2.000 2.000
Dimens
ions
:
- Length [mm] 2.192 2.192
- Width [mm] 886 886
- Height
- Installation height on vehicle roof
[mm] 169
160 - 169
169
160 - 169
Weight of unit, features:
- Circulation air [kg] ca. 44 46
- Fresh air [kg] ca. 45 47
- Heating + fresh air [kg] ca. 46 48
* With standard ventilators and/or fans
1.1. Pressure switches
Bar
OFF
Bar
ON
Low pressure switch (LP) 2 ± 0,2 2,1 ± 0,3
High pressure switch (HP) 25 +1,5 18 ± 3,0
1.2. Compressor
Important:
In order to avoid leaks on the shaft seal of the compressor: The compressor must be
switched on for approx. 15 minutes every four weeks!
This includes when the vehicle is not used for a longer period of time or is used without using the
air-conditioning unit!
Compressor Type SD7H15
Weight (kg) ca. 7.5
Cooling oil
- amount(litre)
PAG/dependi
ng on de-
sign
3)
Magnet clutch
2)
24V DC
1)
Weight without magnet clutch (with clutch ca. + 10kg).
2)
Ø dependent upon vehicle type
3)
The schedule is included with compressor!
(Instruction manual: TD00031A)
Warning
:
Rotation direction for SD7H15:
clockwise!

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2. Intended use
The KONVEKTA air conditioner represents an air conditioning system that works with the ozone
friendly refrigerant R 134a and which creates a pleasant and individually adjustable room tempera-
ture by means of forced convection. The determined use includes also the observance of the Op-
erating instruction and the proof of regular inspections as well.
3. Generally information for a/c unit
Attention in case of roof top a/c units: Never switch on the a/c unit during car-wash!
The a/c unit is operational with running engine only.
At cooling operation the humidity inside the vehicle is decreased, which avoids steamed up win-
dows. The a/c unit works most effectively with windows and doors shut. If, however, the interior
of the standing vehicle has been heated up severely by exposure to sunlight, short-time opening
of windows and doors may accelerate the cooling down process.
At high outside temperature and humidity condensate might drip off the evaporator and make a
puddle under the vehicle. This is quite normal and no sign for a leakage.
The filter in the return air grid (optional) retains pollution. If the external air is contaminated with
gas switch over to return air operation. The filter should be cleaned or replaced respectively on a
regular basis so that the capacity of the a/c unit is not affected.
If you think that the a/c unit is damaged, switch it off immediately. To avoid further damage
have it check at a KONVEKTA Service Station

. Only after that you can take unit into operation.

On our website www.konvekta.com in category >service< you will find a survey of contact details of all our
service partners close to your location
3.1. Operating conditions
NOTE: KONVEKTA uses components made of copper and aluminium, which last a whole unit life-
time under normal environmental conditions. Should the units be operated under aggressive envi-
ronmental conditions, i.e. air containing salt-, phosphate- or ammoniac extremely, a corrosion of
the cupper- and aluminium components cannot be ruled out. The cupper- and aluminium compo-
nents of the KONVEKTA systems are not suitable for such extreme application conditions. We
indicate emphatically, that corrosion is not subject to warranties for defects. KONVEKTA does not
take over any warranties for defect, neither for corrosion nor for consequential damage resulting
there from, nor for damages caused by cleaning the systems with highly compressed or corrosion
advancing substances.
4. Operation
Danger of accidents!
−Focussing your attention on the road traffic is of top priority
−Only operate your air conditioning unit when the traffic situation allows it
−Make sure you can clearly recognize and read all operation- and display-elements at any time
−Protect all displays against irritating sun glare and any other optical disturbances
−Please note that the control panel keys have not been designed for heavy stressing
−Excessive or fast pressing of the keys for adjusting the set temperature does not accelerate the
cooling down process. It possibly damages the control panel and so affects the general perfor-
mance of the air conditioning unit.

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

 press


 press
Display returns to the current room temperature.
The operation of the air-conditioning unit takes place by using the KK2 control.
4.1. Front view of the controls
Key Function
1
No function
2
Key to switch the cooling function on and off
3
2-digit seven-segment display to show the desired room temperature.
Alternative: fault display, outside temperature
4
Key to set the desired room temperature higher
5
Key to set the desired room temperature lower
6
Switch key for vaporiser fan speed
7
Key to switch to circulation air function.
4.2. Temperature display
The display shows the current room temperature in the normal status.
4.3. Self-test
If the vehicle’s ignition is turned but the engine has not been started up, the control unit
tests itself before the switch outputs on the control unit are released.
If errors are not present, the room temperature is displayed.
4.4. Setting the required room temperature
Conditioning function is switched on (automatic air-conditioning (heat-
ing/cooling) is on.
Increase the target room temperature.
Reduce the target room temperature.
•The conditioning function works with a tolerance range of ± 1.5°C
•Cooling function: vaporiser fan level 1 is running automatically.
•Heating function: vaporiser fan level 1 is not running.
•Condenser fan has 20sec pre/post-run in comparison to the magnet clutch.
•The conditioning output is blocked at an outside temperature of 5°C.

BAKL30T12AC Edition: 02.03.2017 Page: 8/11


 press
Press
2 decimal points
illuminated
4.5. Disturbance display „temperature sensor error“
The disturbance is shown on the display.
The control unit cannot be operated.
4.6. Manual setting of the vaporiser fan speed
1-2-3-0
Led 8 illuminates – vaporiser fan level 1 is activated.
Led 9 illuminates – vaporiser fan level 2 is activated.
Led 10 illuminates – vaporiser fan level 1 + 2 are activated
Level 3 = level 1 + level 2
4.7. Outside temperature display
Press simultaneously
Display shows outside temperature.
4.8. Switching between circulation air/fresh air function
Light diode illuminates – fresh air function is switched on.
Light diode is not illuminated – fresh air function is not switched on.
4.9. Convector heating
Compressor + condenser + fan level are blocked.
press
Convector heating.

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5. Maintenance / Servicing
Please arrange regular dates for maintenance works and services with a KONVEKTA service sta-
tion, as indicated in maintenance schedule bus no. WP07050618.
- Only qualified staff is allowed to carry out these works! -
For general instructions on repair – and maintenance works please contact via email:
[e-mail]
Danger of accidents!
Qualified staff in charge of installation and maintenance have to be trained in accordance
with EN 378-Part 4 and (EG) No.307 / 2008 and must strictly follow the legal provisions.
Any works or modifications at the air conditioner which are carried out improperly can lead
to malfunction and so endanger operational reliability. We recommend having all works and
modifications carried out at an authorized KONVEKTA Service Station

.
Before carrying out any maintenance works at your air conditioning unit, carefully read the
KONVKETA safety provisions (TD00052A

)in order to avoid any dangers and accidents!

On our website www.konvekta.com in category >service< you will find a survey of contact details of all our
service partners close to your location

Source of supply: KONVEKTA AG, P.O. Box 2280, D-34607 Schwalmstadt
5.1. Compressor
Regard the oil amounts for each type of compressor (refer to „technical data on the compressor“)
5.2. Circulation air grid
See service plan bus no: WP 07 05 06 18 / point WK13:
The circulation air grid in the passenger area should be cleaned every month; or weekly if major
amounts of dirt are present.
5.3. Condenser battery
See service plan bus no: WP 07 05 06 18 / point WK03:
Regular cleaning (blowing with compressed air) should be undertaken annually; more often if ma-
jor amounts of dirt are present.
Note:
Attention should be paid to the cleanliness of the blades on the condenser. If these are very dirty,
the result is high pressure in the conditioning system and the air-conditioning unit switches itself
off.

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5.4. Troubleshooting
- Only qualified staff is allowed to carry out these works! -
Trouble Cause Repair only by refrigeration expert
1
a/c is not run-
ning
The thermostat is open −Check inside temperature
1
−Reset the thermostat
1
electric connections disconnected −check electric connections at switchboard
Relay is defective −Check relay
Defrost thermostat is switched off −Check vaporiser fan, if not in operation
it may
need to be replaced
Outside temperature is too low
(vaporiser may be iced over)
−Switch on the ventilation only
1
evaporator coil dirty −clean evaporator coil with compressed air
Magnetic clutch −Check the magnet clutch connections
Compressor does not compress −Check pressure on the suction and pressure
points, the compressor may need to be re-
placed
excess pressure (pressure too
high)
−Check if the ring fans are running
−Check the safety automatic on the panel and
press in
−Clean the condenser blades
High pressure due to high outside
temperature
−Let the unit run until the pressure is stabi-
lised
1
Leak in the unit, lack of coolant −Check unit for leaks
−Refill coolant
Drier is blocked – low pressure −Replace drier
Thermo - exp valve filter is blocked
−Clean filter and renew drier
Loud noise at
compressor
defective bearing at compressor −Replace bearings or compressor
slack V-belt −check V-belt at compressor drive

On our website www.konvekta.com in category >service< you will find a survey of contact details of all our
service partners close to your location

By operator
6. Warranty
The current version of the „General Warranty Conditions” from KONVEKTA AG is valid. The condi-
tions can be requested from our GWL department: [e-mail].