Hobart AM900 User manual

REV. 29.09.2008
Starting from Serial No.:
8658 0001
AM900
GLASS AND DISHWASHERS
INSTALLATION AND
OPERATION INSTRUCTIONS

2 AG-21590-A-09-08
DE
GB
F
NL

AG-21590-A-09-08 3
DE
GB
F
NL
CONTENT Page
1 IMPORTANT NOTES ...................................................................... 4
2 INSTALLATION ............................................................................. 5
2.1 Location ...................................................................................... 5
2.2 Converting to corner operation ...................................................... 5
2.3 Electrical connection ..................................................................... 6
2.4 Water connection .......................................................................... 6
2.5 Drain connection .......................................................................... 6
3 CONNECTING A POWDER OR SOLID DETERGENT DISPENSER ........ 7
4 CONTROLS .................................................................................. 8
5 START-UP ..................................................................................... 9
5.1 Detergent / rinse aid ..................................................................... 9
5.2 Priming the suction hoses ............................................................. 9
5.3 Softener (only on option) ............................................................. 10
6 OPERATION ............................................................................... 11
6.1 Preparation ................................................................................ 11
6.2 Run ........................................................................................... 11
6.3 Program selection ...................................................................... 12
7 SWITCH-OFF AND CLEANING THE MACHINE ................................ 13
7.1 Switch-off ................................................................................... 13
7.2 Cleaning (daily) ........................................................................... 13
7.3 Cleaning (weekly) ........................................................................ 13
8 PREVIEW OF TEMPERATURES ..................................................... 14
9 FAULTS ...................................................................................... 14
10 SETTINGS AND COUNTER VALUES .............................................. 15
10.1 Adjustment of detergent dosage quantity ...................................... 15
10.2 Adjustment of rinse aid dosage quantity ....................................... 15
10.3 Adjustment of water hardness .................................................... 15
10.4 Cycle counter ............................................................................. 16
10.5 Water consumption counter ......................................................... 16
10.6 Remaining water quantity counter for external water treatment ....... 16
10.7 Termination of setting mode / counter display .............................. 16
11 FROST PREVENTION .................................................................. 17
12 MAINTENANCE .......................................................................... 17
13 TROUBLESHOOTING GUIDE ......................................................... 17

4 AG-21590-A-09-08
DE
GB
F
NL
1 IMPORTANT NOTES
Use in Accordance with Regulations
This machine is exclusively to be used to wash ware such as plates, cups, glasses, cutlery, trays etc.
Do not use for electrically heated cooking and heat conservation appliances.
Safety
Never hose down the machine.
The "Attention" symbol is shown beside instructions that are essential for the
safe operation of the machine.
Please read these passages thoroughly.
Liability
Installations and repairs which are carried out by non authorized technicians or the use of other than
original spare parts, and any technical alterations to the machine, may affect the warranty set
out in the standard conditions of sale.
Machine noise level:
The machine noise level is ≤70 dB (A).

AG-21590-A-09-08 5
DE
GB
F
NL
2.1 LOCATION
Rear wall clearance not required.
For corner installation lateral clearance of 107 mm is required.
For free-standing installation the optional rear panel has
to be installed.
Level machine by turning the feet.
Distribute machine weight equally onto all feet.
2.2 CONVERTING TO CORNER OPERATION
Depending on direction of operation, the guide rails may need to be
adjusted to suit the direction of operation (see arrows).
Unscrew the guide rail in front.
Refit guide rail at right angle according to the direction of operation.
–
–
–
–
–
2 INSTALLATION

6 AG-21590-A-09-08
DE
GB
F
NL
max. 750 mm
A
2.3 ELECTRICAL CONNECTION
Must be carried out by an authorized technician according to the local and national codes.
The electrical supply shall comply with the name-plate data.
Line fuses and cable cross section shall comply with the requirements.
A cut-off device shall be provided to connect the supply cord (isolating
switch or accessible plug device).
According to EN 60 335 the appliance must be connected to an equipotential
conductor. The connecting screw ( ) is located beside the cable inlet.
2.4 WATER CONNECTION
Must be carried out by an authorized technician according to the national and local codes.
The machine must be operated with potable water.
For water with an extremely high mineral content an external
demineralisation is strongly recommended.
Machines without softener: Connect to soft and if possible warm
water (up to 4° Clark = 0.5 mmol/l, max. 60°C).
Machines with softener: Connect to warm water (max. 60°C) if
possible.
Line flow pressure 0.5 – 10 bar.
Important: the line flow pressure must not be less than 0.5 bar.
If the line flow pressure is above 10 bar provide pressure reducer
at source.
Connect the union nut "A" (3/4") of the water supply hose to the site
shut off valve.
Do not kink or cut the supply hose.
If an extended supply hose is required, use one of the same
specifications as the original.
2.5 DRAIN CONNECTION
Connection between machine and site drain must not exceed max.
height of 0.75 m.
Do not place the drain hose loosely on the floor (the hose could be
rubbed through). Fix it at site!
Do not kink the drain hose.
–
–
–
–
–
–
–
–
–
–
–
–
INSTALLATION

AG-21590-A-09-08 7
DE
GB
F
NL
Must be carried out by an authorized technician according to the local and national codes.
Tank must be drained.
Switch off main switch or unplug.
Remove front panel and the left hand or right hand side panel
(according to requirement on site).
Lift up control box and turn it to front.
Break out perforated disk at the tank panel (either at the right or left
side).
Drill a hole through the inner tank wall appropriate to the required
connection diameter.
Screw up tightly the dosing connection with tank wall.
Connect the plug (A) of the wire harness with the dosage pump
(max. 100 VA).
Close control box and put panels back into place.
Switch on main switch at site or put the plug in.
Dispenser adjustment see chapter 10.1.
CONDUCTIVITY PROBE:
Conductivity probe should be installed at the flat part of tank bottom
(see fig.).
The hole size should be appropriate to the conductivity probe.
Important:
Remove drilling chips thoroughly to prevent corrosion.
–
–
–
–
–
–
–
–
–
–
–
–
3 CONNECTING A POWDER OR SOLID DETERGENT DISPENSER
ca.120mm
ca.120mm
A

8 AG-21590-A-09-08
DE
GB
F
NL
➀Machine ON / OFF
Pushing this button switches the machine on.
By pushing and holding (3 seconds) this button, the drain and self
cleaning cycle starts. At the end of the cycle, the machine switches off
automatically.
After switch off, the machine is not voltage free!
Furthermore the button illuminates to indicate the mode of the machine:
GREEN
GREEN
(flashing)
(permanent)
= Machine is filling and heating.
Wash cycle is running.
Machine is draining / switches off.
= Machine is ready for operation.
➁Program button By pushing this button, it is possible to select between different preset
programs, according to the model and equipment.
The program no. (e.g. P02) will be shown in the Display ➄.
➂Stop button In case of operating error or faults, it is possible to switch-off the
machine immediately without the drain cycle, by pushing this button.
After switch off, the machine is not voltage free!
➃Display e.g. temperature indication Wash (°C) (see chapter 8).
➄Display e.g. temperature indication Rinse (°C) (see chapter 8).
➅Salt required Indicating the need for regeneration salt to be added.
(Only with built-in softener.)
➆Service indicator Indicating, that the machine has a fault (see chapter 9).
4 CONTROLS
5
46
123
7

AG-21590-A-09-08 9
DE
GB
F
NL
5.1 DETERGENT / RINSE AID
Use only commercial detergent and rinse aid. Please pay attention to
the manufacturers safety instructions.
The dosing pumps can operate to a maximum head height of 1.5 m. Do not confuse the containers !
5.1.1 DETERGENT
Do not use any acidic detergent products with the built-in detergent
pump! (The ph-value has to be higher than 7.)
Place the suction hose into the external detergent container.
Fill the suction hose according to chapter 5.2.
5.1.2 RINSE AID
Place the suction hose (blue marking) into the external rinse aid
container. Fill the suction hose according to chapter 5.2.
5.1.3 CHANGING THE TYPE OF DETERGENT / RINSE AID
Before changing to a different product type (even from the same
supplier), the suction hoses must be rinsed thoroughly with fresh
water (procedure as described under 5.2).
Otherwise, the mixing of different types of chemicals will cause
crystallisation, which may result in a malfunction of the dosing pump.
5.2 PRIMING THE SUCTION HOSES
We recommend the manual hose priming as follows.
ATTENTION: The machine has to be switched off.
Open the hood.
Push Stop button ➂and Program button ➁simultaneously until the
upper Display ➄shows "CH1".
Push Program button repeatedly, until "d" is displayed.
Close the hood.
In the upper Display appears "SF1", in the lower one "0".
–
–
–
–
–
–
–
–
5 START-UP

10 AG-21590-A-09-08
DE
GB
F
NL
5.2.1 DETERGENT SUCTION HOSE
Pushing the ON/OFF button ➀activates the hose priming for
60 seconds.
Each cycle can be interrupted by pushing the ON/OFF button again.
5.2.2 RINSE AID SUCTION HOSE
Push the Program button ➁.
In the upper Display ➄appears "SF2", in the lower one ➃"0".
Pushing the ON/OFF button ➀activates the hose priming for
360 seconds.
Each cycle can be interrupted by pushing the ON/OFF button again.
5.2.3 TERMINATION OF HOSE PRIMING
Open hood and close it again or do not press any button for
10 seconds.
5.3 SOFTENER (only on option)
For the first run, the softener has to be filled with regeneration salt
and potable water.
Filling the salt reservoir with cleaning agent will damage the water softener.
Open the hood.
Unscrew the softener lid and fill the softener with 2 kg of "Granular
regeneration salt" (do not use salt tablets).
Fill up the softener with potable water (only at the first run).
Clean seal and rim of softener lid carefully, before closing
the lid.
Close lid and tighten.
Adjust the water hardness according to chapter 10.3 !
When the Salt indicator ➅illuminates during operation, the softener
has to be refilled with regeneration salt.
There will be a slight delay before salt light goes out after refill.
–
–
–
–
–
–
–
–
–
–
START-UP