Preinstallation checklist 14
Installation sheet - Electric / Gas units - Electrical connection 18
Installation sheet - Electric / Gas units - Water connection 19
Installation sheet - Electric / Gas units - Drain connection 20
Installation sheet - Gas units - Gas connection 21
The conductivity of the connected water should be above 50µS/cm (micro Siemens).
The measured total hardness (TH) is normally higher than the measured amount of Carbonate hardness - calcium or magnesium carbonat (CaCO
Should the total hardness be less than the Carbonate hardness, most likely a water treatment system is
connected.
, MgCO3).
3
Common terms:
Total hardness TH is the measure of carbonate (CH) and non-carbonate
hardness (NCH) in the water
Carbonate hardness CH is the measure of bicarbonate (HCO3-) and carbonate
(CO3--) ions in the water;
Temporary water hardness; Forms sediments when boiled;
Non-carbonate hardness NCH Calcium and Magnesum ions in the water;
permanent water hardness which can not be removed by
boiling
Water hardness e 1°dH = 1,25°e = 1,78°f = 17,8 ppm/l = 0,178 mmol/l
Chlorine Cl Gaseous, (used in swimming pools), limit 0,2mg/l
Chloride Cl-- chemical bond of chloride e.g. NaCl, limit 80mg/l
Water Analysis
Which values are required?
- Total hardness TH
- Carbonate hardness CH
- Conductivity in micro Siemens/cm
- Ideal: Water analysis with chloride content value
Possible reasons for corrosion
- excessive usage
- ferritic accessories
- rusting water pipes
- cleaning procedure (Unit is not dry over night)
- water
V02 en, Basic_Maintenance_Accessories - 10 -
Water Info
Because of continuous examinations of systems for water treatment we would like to offer you some
information on different systems.
The given statements are only related to Rational units.
1. Recommended systems for water treatment
A) With pure scale problems in the steam generator we recommend hydrogen-(H+)-Ionic ex-
changer. This type of lter will extend the intervals between descales by approx. 5 to 8-times
of the normal descaling intervals. Please note that even with this type of lter it is still neces-
sary to descale the steam generator.
B) With a high chloride content above 80mg/l of water it is possible, that the interior cabinet will
start to corrode. To remedy this problem it is necessary to install a reverse osmosis lter.
C) With chlorine-contents above 0,2 mg/l of water an active carbon lter should be installed, to
avoid corrosive radicals when chlorine is heated up.
D) If the water is soiled with sand, iron particles or suspended matter a particle lter with
5-15 μm is recommended.
2. Limited recommended systems for water treatment
Physical systems for water treatment:
On some sites this type of water treatment showed satisfactory results. On other sites there was
no positive effect visible. Because of these circumstances we can not make a nal assessment of
this system.
3. Non recommended systems for water treatment
A) Sodium-Ionic exchanger:
With this lter system calcium is replaced by sodium. On chloride contents of the water above
50mg/l, sodium reacts with chloride to NaCl (=salt). This increase of salt in the water results in
a delay in boiling of the water. This delay in boiling can cause ”spitting” steam generators.
B) Silicate-dosing systems:
This kind of systems is problematic, as the adding of non conductive silicates, will inuence
the water level measurement.
- 11 - V02 en, Basic_Maintenance_Accessories
Installation - Duties and responsibilities
Installation
Responsibilities
Designer / Architect
Make sure that during construction all dimensions needed are correct and sufcient
(Doors, corridors etc)
Make sure that all services (energy, water, drain and exhaust air) are available in
immediate vicinity of the unit
1. Drain
2. Water (Pressure, Water treatment)
3. Power supply and breaker specication
4. Gas connection (type of gas, dimension of supply pipe)
5. Vent hood (possible interconnection with gas supply)
6. Exhaust air for gas units (exhaust hood, ventilation ceiling, chimney, spacing
between top edge of unit to lower edge of fat lters / ceiling)
7. possible need for levelling device for trolley with sloped oor
Document: Pre Installation checklist
Designer Manual
Installer
Make sure the installation complies with the installation manual (part of starter kit) and
the local and / or national legislation / codes
1. Installed horizontally
2. Secured to the ground / stand secured from moving
3. Uneven oor levelled
4. Connected to cold water, possibly treated water, (water line rinsed)
5. Connected to power (equipotential bonding included - where required))
6. Connected to drain (steam temperature resistant pipe, permanent slope,
P-trap)
7. Connected to gas supply (correct type of gas), leakage test up to unit con-
nection point
8. Installation of accessories (Ultravent)
9. Testing of electrical safety
Document: Installation manual
RSP, Dealer
Commissioning and hand over to the customer
1. Conrm installation according to installation manual
2. Commissioning
3. Gas unit: Leakage test inside the unit
4. Gas unit: Flue gas analysis
5. Successful completion of Self Test
6. Function test of all components and cooking modes
7. Demonstration of cleaning mode for customer
8. Demonstration of preventive maintenance for customer (daily cleaning)
9. Download of Service Data
10. Photos of installation site
Document: Installation and commissioning checklist
Installation manual
Operator manual
The unit will only function properly, when all components are designed correctly and the installation is
done according to the manufacturers instructions.
Therefore during maintenance and troubleshooting it is mandatory to observe all components together
with the connected services such as electricity, water etc. and the kitchen surrounding and venting.
Every deviation from the installation manual can cause different errors.
Voltage
Installation
Accessories
Original components
Type of gas
- 13 - V02 en, Basic_Maintenance_Accessories
Preinstallation checklist
Preinstallation checklist
Company name:
Name of contact person:
Street:
City:
Country:
Telephone number:
Fax-Number:
E-Mail:
Number of RATIONAL units already installed:
Serial number of installed units:
How many units shall be installed?
What type of unit shall be installed?
Please fill in the form either by making a tick in the corresponding box or writing down the measured
values in the corresponding lines.
All measures, distances, services like electricity, water, drain and gas connection are properly
installed and complying with the list attached.
Yes No additional comments: Yes
Signature: Customer Sales Date
V02 en, Basic_Maintenance_Accessories - 14 -
20x1/1 GN /
20x2/1 GN:
1900mm/75"
X (6x1/1 - 20x2/1GN)
Preinstallation checklist
1. Check all doors and corridors for sufficient space
Required door width “X”:
Unit size without pallet with pallet
6x1/1GN 840 mm (33 1/8”) 920mm (36 1/4“)
6x2/1GN 1040 mm (41”) 1120mm (44 1/8“)
10x1/1GN 840 mm (33 1/8”) 920mm (36 1/4“)
10x2/1GN 1040 mm (41”) 1120mm (44 1/8“)
20x1/1GN 920 mm (36 1/4”) 950mm (37 1/2“)
20x2/1GN 1140mm (45“) 1150mm (45 1/4“)
Dimensions of doors Dimension of corridors
_____________mm ______________mm
_____________mm ______________mm
_____________mm ______________mm
2. Check site
yes no
a) Floor level?
if no, what is the approximate slope
(in case the slope is more than 3% use access
ramp)
b) Space left/right/rear
Write down distances on page 3
Breite
Tiefe
Hints:
- Dismounting door handle reduces depth minus
20 mm.
- Table models are with left hinged doors available.
Attention: No fryers at the left side of the unit Install
heat shield if necessary
c)
Other appliances left of the unit (seen from front
side) within 500 mm (20“)
Yes No
If yes, which appliance?
_______________________________
d) In case of floor models, is parking space for
trolleys available Yes No
Unit size depth: width
6x1/1GN 840 mm (33 1/8”) 847mm (33 3/8“)
6x2/1GN 1040 mm (41”) 1069 mm (42 1/8“)
10x1/1GN 840 mm (33 1/8”) 847 mm (33 3/8“)
10x2/1GN 1040 mm (41”) 1069 mm (42 1/8“)
20x1/1GN 920 mm (36 1/4”) 879 mm (34 5/8“)
20x2/1GN 1140mm (45“) 1084 mm (42 5/8“)
e) Is an extraction hood installed?
- 15 - V02 en, Basic_Maintenance_Accessories
Preinstallation checklist
P
C
A
D
F
G
E
H
I
L
M
J
K
O
B
Please fill in values measured at the site:
For calculating the distances see unit sizes on page 2.
If the connection points are at complete different position show the correct position in
the sketch
Side/top distances
A =
B =
C =
P =
Power supply
D =
E =
3. Elecrical connection
a) Which mains is available (fill in rest)?
1NAC...........
2AC..............
3NAC...........
3AC..............
Gas supply (in case of gas units)
F =
G =
Type of gas connection
Water supply
H =
I =
Drain:
Table model Floor model
J = M =
K = N =
L = O =
b) What fuses are installed in the mains
.................... A
ELCB / Residual current device (30mA) installed?
Yes No
V02 en, Basic_Maintenance_Accessories - 16 -
250-300mm
(10 - 12 “)
max. 1m
(3 ft.)
Ø 50mm (2”)
min. 3° / 5%
200-300mm
(8 - 12 “)
3x45°
Ø 50mm (2”)
70mm
(2 3/4“)
max. 1m
(3 ft.)
min. 3° / 5%
Preinstallation checklist
4. Water supply
Yes No
a) Water treatment system installed
If yes, which system_________________________________________
b) Separate water tap for every unit
(Attention: Unit has 3/4” connection)
c) Measured water pressure:_________________________________________________
d) Measured water temperature:______________________________________________
4. Drain
a) Location of drain (fill in page 3)?
b) Material of drain pipe______________
Suggestion for drain connection
Table units Floor units
NOTE:
Only use steam temperature resistant pipes for drain connection, no hoses!
5. Gas supply (in case of gas units)
a) Which gas type is foreseen?__________________________________________
b) Attention: Unit has 3/4” connection
c) Inform customer to discuss room size and flue gas system with local gas authority
yes no
6. Customer was informed about 2 years warranty?
7. Connection set complete (#60.70.464) required?
7. Comments / Notes
- 17 - V02 en, Basic_Maintenance_Accessories
Installation sheet - Electric / Gas units - Electrical connection
Electrical unit connection
61-102
Gas units:
Integrated cable
w/o plug top,
length approx. 2,5m,
Remove left side panel
Loosen 7 mm hex head screw
Opening for power cable
Ground
connection
Electrical unit connection
201-202
Gas units:
Integrated cable
w/o plug top,
length approx.. 2,5m
Remove left side panel
Loosen 7 mm hex head screw
Opening for power cable
Mains supply cable (Observe your local code for maximum cable length)
Terminal connection
L1
L1
L2
grey
L2
L3
grey
L3
Fig. 1
Ye/gn
N
blue
N
615x2,5mm²4x2,5mm²3x2,5mm²
grey
625x4mm²4x4mm²3x2,5mm²
1015x4mm²4x4mm²3x2,5mm²
1025x10mm²4x10mm²3x2,5mm²
3NAC400V3AC440VGas: 1NAC230V
Ground
connection
ELCB Breaker - residual current device 30 mA recommended
Electrical connection gas units: observe polarity!
All services must comply to local rules and regulations!
V02 en, Basic_Maintenance_Accessories - 18 -
.
Installation sheet - Electric / Gas units - Water connection
Table units
61 - 102
Treated water
Fresh water
Fresh water
(common water supply)
Floor units
201 - 202
Treated water Fresh water
Fresh water
(common water supply)
Dimension water supply hose: 1/2“ pressure hose with 3/4” connection at the unti;
Water pressure:150-600 kPa with 20/25 l/min water quantity
Maximum water temperature for fresh and treated water: 30°C (87°F)
Note:
For selection of water lter please refer to installation manual!
Filter might be necessary in case of:
Cl2 >0,2 mg/l
Cl-- >80 mg/l
very hard water (details: Water info and Installation manual)
All services must comply to local rules and regulations!
- 19 - V02 en, Basic_Maintenance_Accessories
Installation sheet - Electric / Gas units - Drain connection
Drain connection table model
Note: See install manual for leveling unit
Rear view
3x45°
DN 50 HT pipe
weight of piping not to be placed on
unit drain
Fixed to stand
Fixed drain connection table model
Note: See install manual for leveling unit
Rear view
3x45°
DN 50 HT pipe
approx. 550 mm
approx. 720 mm
Air gap per
local code
Floor drain sink with grease trap
Drain connection floor model
Note: See install manual for leveling unit
Side view left
Length approx.
250 mm
approx. 300 mm
Installation kit available # 60.70.464
(Water supply hose
Drain pipe set DN50 HT)
Drain connected
to unit leg
DN 50 HT pipe
All services must comply to local rules and
Floor drain sink with grease trap
V02 en, Basic_Maintenance_Accessories - 20 -
regulations!
Installation sheet - Gas units - Gas connection
Gas connection 61 - 102
Note: Observe local rules
and regulations
Gas supply
Gas quick
disconnect hose 1,5m
inner diameter ¾“
Unit under
extraction hood
Fat lter
min. 400mm
RATIONAL
Gas stop
valve
Gas connection
Natural gas 1,8 - 2,5 kPa
LPG 2,5 - 5,75 kPa
¾“ for 61 - 202
Gas connection 201 - 202
Note: Observe local rules
and regulations
Gas quick
disconnect hose 1,5m
inner diameter ¾“
Unit under
extraction hood
Fat lter
min. 400mm
Gas stop
valve
Gas supply
Gas connection
Natural gas 1,8 - 2,5 kPa
LPG 2,5 - 5,75 kPa
All services must comply to local rules
¾“ for 61 - 202
and regulations!
- 21 - V02 en, Basic_Maintenance_Accessories
Installation/Commissioning Checklist
Installation and Commissioning Checklist
To be completed individually for each Rational Combi installation. This checklist is to be completed and
returned to your closest RATIONAL ofce (details are listed on the last page of the operation manual)
within 14 days of installation / commission to validate warranty.
Customer name:
Contact person:
Street:
Town:
Country:
Telephone number:
Fax-Number:
E-Mail:
Serial number of installed units:
Commissioned by company:
Date of installation:
Date of commissioning:
Installation complies does not comply with manufacturers specifications.
Please ll all information required into the embossed elds.
If the measured values do NOT comply with the values in the installation manual please inform the
customer and your Rational dealer.
We conrm the installation was done according to the attached installation checklist, the installation
manual and all national and local codes which ever may apply. The equipment was handed over free of
defects. Operation and maintenance of the equipment was explained.
Serial number of installed UltraVent or extraction hood
In case of gas units is hood interlocked with gas supply?
Free space between top edge of unit and lower edge of exhaust hood / ceiling cm
8. Function test / commissioningYESNO
All electrical connections and plugs tight and in accordance with local regulation?
All water and drain connections tight and not leaking?
All modes operational?
All additional functions / features operational?
Self test completed successfully?
Customer was informed about 2 years warranty?
Customer advised in basic operation?
Customer advised in daily cleaning routine incl. door gasket?
Customer advised in preventative maintenance
(changing air inlet lter, door gasket, etc)
9. MiscellaneousYESNO
Service data downloaded?
Photos of installation taken?
V02 en, Basic_Maintenance_Accessories - 26 -
Preventive maintenance
Please ll in one form for every installed unit.
This checklist contains all works that have to be carried out during a maintenance.
Customer addressName
Company
Street
ZIP / Post code
City
Country
Telephone
Serial number of the unit
Software Version:
Checks / maintenance work scopeComment
Installation (conforms to install instruction)YESNO
All gas units and units 201-202 xed to oor
Water connection
Manufacturer of water treatment system
Drain
Gas connection
Electrical connection
Cabinet door (Functional)
Door lock
door catch
Door mounting / screws
Fastening of inner glass pane
Door gasket (steam tight in steam mode)
Door contact (door alignment and switch)
Trolley gasket (201-202)
Trolley castors (201-202)
Interior cabinet (Functional)
Interior cabinet light
Core temperature sensor
Cabinet sensor
Clima ap / valve tight
Air bafe
Moistening nozzle clean
Sieve installed correctly
Any corrosion on the unit or accessories
YES NO
Yes NO
- 27 - V02 en, Basic_Maintenance_Accessories
Preventive maintenance
Checks / maintenance work scopeComment
Water supply - drain (Functional)YESNO
Dynamic water pressureKPa
All water joints leak tight
Function of hand shower and retraction system
Connection of drain conforms to install. instruct.
Quenching - quenching box clean
Function of drain valve (only SCC)
Steam generator
(Functional) YES NO
Steam generator leak tight
SC-Pump - ushing
Descale steam generator - if necessary
If descaled, was new lling volume evaluated?
Level electrode clean
Electric parts
(Functional) YES NO
Unit connected to earth bonding
Wire insulations undamaged
All electrical connections xed and tight
All contacts of main contactor free (not stuck)
Amp draw hot air (at 100%) electric units
Amp draw steam (at 100%) electric units
L1:___ A; L2:___ A; L3:___ A
L1:___ A; L2:___ A; L3:___ A
Max temperature of pcb °C
Gas components - Hint: Gas components must be maintained annually!
(Functional) YES NO
All gas connections leak tight
Cleaning of burner head (TI 03-2007) index E-G
Cleaning of ignition electrode
If necessary change all blower gaskets
Gas blower premix chamber free of fat and dust
Visual inspection of external ue gas venting
Dynamic ow pressure (all gas units in operation)mbar
CO
max steam - ame current - CO ppm%µAppm
2
CO
min steam - ame current - CO ppm%µAppm
2
CO
max HA top - ame current - CO ppm%µAppm
2
CO
min HA top - ame current - CO ppm%µAppm
2
CO
max HA bottom - ame current - CO ppm%µAppm
2
CO
min HA bottom - ame current - CO ppm%µAppm
2
Length of CO
screw of gas valve in mm
2
SteamHA topHA bottom
Make sure the gas compensation hose (hot air and steam) is not kinked and is properly xed in its
correct position.
V02 en, Basic_Maintenance_Accessories - 28 -
Preventive maintenance
Checks / maintenance work scope
Control panel (functional)
Check closing mechanism
Control panel gasket and panel overlay
Plug for opening control panel in place
Dials
Mode switch (CM)
Temperature and time control
Core probe functional
LED indicators
PCB visual check (water marks etc)
Air lter clean and cooling fan ok
Exhaust hood / Ultravent
Exhaust hood or Ultravent installed
Hood and lighting operational
(Functional) YES NO
Comment
YESNO
Serial number of Rational exhaust hood
Free space between top edge of unit and
lower edge of exhaust hood / ceiling
Function test / commissioning
All electrical connections and plugs tight
All modes operational
All valid service error codes checked
All max. values of the sensors reset
Humidity control functional
Customer advised in basic operation and
programming
Customer advised in preventive maintenance
(Changing air lter, cleaning door gasket)
Service-telephone number entered
Chef Line-telephone number entered
Demonstration CleanJet
YESNO
cm
Service Data and HACCP Data copied to
USB stick.
Electrical safety
Electrical safety measures in accordance
with local standards
Name RSP Technician: Date and sign Customer: Date and sign
- 29 - V02 en, Basic_Maintenance_Accessories
Instruction for manual descaling
Protective clothing and tools required:
- Protective clothing:
Goggles, gloves, apron
- Container with descaler
- Foot pump (6004.0203)
2
3
1. SCC or CM shall only be descaled when the cabinet temperature is below 40°C (104°F)
Start cool down if required.
2. Empty and rell steam generator to cool it down.
Now empty steam generator manually into a
bucket and measure the volume of water drained
from the steam generator.
3. Descaler must ONLY be lled via the steam inlet
port found inside the interior cabinet!
Remove hinged rack (trolley) and swing air bafe
open.
4. Insert hose of descaler pump into steam inlet port
4
inside interior cabinet.
Do NOT ll through level electrode opening!
Damage to other components may occur!
5. Place descaler can into cabinet.
6. Insert the other hose end into can. Make sure the
red rubber plug rmly sits in the can opening
V02 en, Basic_Maintenance_Accessories - 30 -
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