Page 1
Instruction Manual
Gas Solid Top Oven
USHO/USHOP
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Page 3
Contents
Parry-British Built for Purpose
IN152-7
1
Contents ...................................................................................................................................... 1
Product Overview ....................................................................................................................... 2
Safety Instructions .................................................................................................................... 4-5
Installation Instructions ............................................................................................................... 5
Operating Instructions ................................................................................................................. 6
Cleaning Instructions ................................................................................................................... 7
Maintenance Instructions............................................................................................................. 8
Fault Finding ............................................................................................................................... 9
Conversion Procedure ................................................................................................................ 10
Technical Information ................................................................................................................ 11
Service Information.................................................................................................................... 12
Warranty Information ................................................................................................................ 13
Disposal & Recycling ................................................................................................................. 14
Parry Catering Equipment (Midlands) Ltd, Town End Road, Draycott, Derby, DE72 3PT.
Sales Tel: 01332 875544
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Parry-British Built for Purpose
IN152-7
2
Product Overview
Powerful, durable and easy to use, the Parry USHO/USHOP gas solid top range is the perfect
commercial cooker. Made from top quality stainless steel, the solid top provides intense,
variable heat across the plate, allowing simmering or boiling without the need to adjust the
thermostat. With sturdy double doors, the oven can accommodate most professional
catering applications – while heavy duty braked castors allow easy cleaning at the end of
service.
It leads the industry in:
Design and aesthetic appeal
Performance
Power
Functionality
After sales support
Unpacked weight (kg)
192
Packed weight (kg)
232
Dimensions (w x d x h) mm
900 x 853 x 970
Warranty
2 Years
KW – Natural (Net)
KW – Propane (Net)
20
18.5
BTU – Natural (Net)
BTU – Propane (Net)
61,148
63,122
Input Gas Connection
Male ¾” BSP
GAS INPUT PRESSURE – Natural
GAS INPUT PRESSURE – Propane
20mb / 8” W.G
37mb / 14.8” W.G.
Can be converted using conversion kit?
Yes
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Parry-British Built for Purpose
IN152-7
3
Safety Instructions
PLEASE READ INSTRUCTIONS FULLY BEFORE USE
THIS APPLIANCE IS ONLY FOR PROFESSIONAL USE AND MUST ONLY BE USED BY QUALIFIED
PEOPLE.
Attention should be drawn to the fact that parts of this unit by necessity, will get VERY HOT,
and will cause burns if touched accidentally. Therefore it is the responsibility of the
supervisor or equivalent to provide SUITABLE PROTECTIVE CLOTHING for the user.
THIS APPLIANCE MUST BE FITTED AND TESTED BY A REGISTERED FITTER BEFORE USE.
The unit should be installed in compliance with the INSTALLATION INSTRUCTIONS and the
NATIONAL REGULATIONS in force at the time. Particular attention should be paid to the Gas
Safety (Installation and Use) Regulations and the Health and Safety at Work Act.
All commercial gas catering equipment is recommended to be mounted below an extraction
canopy. Please consult a ventilation engineer or refer to Guidelines DW172 to calculate the
ventilation requirements for cooking areas containing different pieces of gas catering
equipment.
Each appliance requires a flow of fresh air for combustion. Under no circumstances should
air vents on the appliances, or air vents installed by the fitter in the room of the appliance to
supply combustion air, be altered or omitted in any way.
To prevent shocks, all appliances whether gas or electric, must be earthed.
ANY GAS CONVERSIONS NEEDED TO BE MADE TO THE PRODUCT MUST BE CARRIED OUT
BY A GAS SAFE REGISTERED ENGINEER
To avoid scratching the highly polished exterior surface of this equipment whilst in transit,
the protective film on the exterior surfaces has NOT been removed.
It is IMPORTANT that this protective film is peeled off before the equipment is used.
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Parry-British Built for Purpose
IN152-7
4
Installation Instructions
ALL APPLIANCES MUST BE FITTED AND OR CONVERTED BY A REGISTERED INSTALLER, IN
ACCORDANCE WITH CURRENT REGULATIONS.
Before installation check data plate on rear of unit to ensure appliance is suitable for gas
supply available.
During installation provision must be provided for combustion air to the appliance through
base and rear of appliance. This should not be blocked at any time. This appliance should be
installed with adequate ventilation to prevent the occurrence of unacceptable
concentrations of substances harmful to health in the room in which it is installed.
POSITIONING
The appliance must not be installed on or against combustible surfaces – minimum
clearances must be:
Rear 150mm (6”)
Sides 150mm (6”)
Hotplate to combustible material 1525mm (60”)
All local fire regulations should be observed.
It is recommended that the appliance be sited below a ventilating hood preferably of the
extractor type incorporating a grease filter.
The cooker is manufactured with four castors two of which are braked. Caution should be
taken when manipulating or moving the unit. The appliance should be attached to a wall with
a chain to restrict the movement of the unit once connected to the gas supply. When the unit
is installed in position the brakes should be on.
Ensure the appliance is level, by placing a spirit level on the shelf in the oven, not on the
hotplate All four castors are adjustable. To alter the height of the unit, loosen the locking grub
screw with an M3 allen key.
Next turn the large nut on the wheel assembly to either raise or lower the unit. When you are
happy with the height, tighten the locking grub screw with the M3 allen key.
Locking Grub
Screw
Large Nut
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Parry-British Built for Purpose
IN152-7
5
Installation Instructions
GAS CONNECTION
The size of the supply pipe should be no less than ¾” B.S.P. and an easily accessible isolation
tap fitted close to the appliance in the gas line. Although a rigid connection is
recommended. An approved armoured flexible pipe may be used in conjunction with a
straining cable.
Annual servicing by a competent engineer is essential to maintain safety and prolong the life
of the appliance.
Before the appliance is commissioned the gas, safety regulations require that all
connections on the gas line are tested for gas soundness between the gas meter and the
appliance.
The parts protected by the manufacturer or his agent shall not be adjusted by the installer.
All packing and protective film must be removed from panels etc. prior to commissioning
the appliance.
All gas appliances must be fitted by a competent person to gas safety regulations 1984.
For fitting instructions see installation section.
All burners are fitted with flame failure device, spark ignition is only to oven burner.
To gain access to hob burner/pilot, remove ‘bulls eye’ casting in centre of solid top.
To light hob remove ‘bulls eye’ turn hob tap to pilot position, press in and light pilot with
taper etc., keep knob pressed in for 15-20 seconds release knob, pilot should stay lit, if pilot
goes out repeat lighting procedure.
When pilot is lit turn knob to full flame this will light main burner, for low setting turn knob
further anti-clockwise to low flame position.
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Parry-British Built for Purpose
IN152-7
6
Operating Instructions
Operating the hob
All burners are fitted with flame failure devices.
1. To light hob unit turn knob to
2. Press in and ignite gas with a match, keep knob held in for 15-20 seconds.
3. Release knob, gas should stay lit, if gas goes out repeat stage 2
4. The burner is now on full gas, to turn gas down, turn knob anti-clockwise, this is the
lowest setting, which is factory set.
5. To turn burners off, turn knob clockwise all the way round.
Operating the oven
To light oven, open doors, turn oven knob to approximate gas mark 5 and hold tap knob in,
at the same time press the piezo ignitor button on bottom right hand of oven.
After pressing button 2-3 times burner should light. Keep oven knob depressed for 15-20
seconds. Flame should remain lit, if not repeat above sequence. If burner goes out refer to
fault finding chart. When burner stays on oven is ready for use, select gas mark required,
turn knob to setting, oven flame will decrease when desired temperature is reached. There
are three shelf positions in the oven, the following guide is only intended as a guide to
temperature in the centre of the oven. It is strongly recommended that the user makes note
of best results, temperatures can vary as much as 20˚c hotter at top of oven and 30˚c cooler
at the bottom of the oven.
These temperatures are measured in an empty oven.
MARK
1 2 3 4 5 6 7 8 9
˚C
140
150
165
180
200
220
235
245
260
˚F
275
300
328
350
392
425
440
465
500
Cooking Chart – the following chart is for guidance only.
USAGE
PRODUCT
GAS TEMP
HIGH TEMP.ROASTING
MEAT OR POULTRY
6 OR 7
LOW TEMP.ROASTING
MEAT OR POULTRY
3
HIGH TEMP.BAKING
BREAD OR SCONES
8
LOW TEMP. BAKING
SLAB CAKE
2
PUDDINGS
MILK PUDDING
BAKED CUSTARD
3
PASTRY
SHORT CRUST
PLATE TARTS
FLAKY
7
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Parry-British Built for Purpose
IN152-7
7
Cleaning Instructions
The appliance should be cleaned after every use.
Allow unit to cool down before cleaning
Turn off unit at the mains power.
Wipe down the machine with a soft cloth, do not use abrasive materials.
Stainless steel cleaners maybe used and cleaning instructions on the product must be
adhered to.
The internal walls of the oven have been vitreous enamelled to make them easy to clean
The oven has two wire shelves and one vitreous enamelled bottom tray, these can be
removed for cleaning, but the lower tray must be in position when the appliance is in
use.
Never clean the unit with water jets.
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Parry-British Built for Purpose
IN152-7
8
Maintenance Instructions
Ensure the appliance is isolated from the power supply before installing, cleaning or
maintaining the appliance.
Maintenance and service must only be undertaken by a qualified electrician.
Parry Catering provides a complete after-sales service by offering the sales of spare parts
directly to customers. Buying spares straight from the manufacturer allows customer to
experience exceptional value and speedy delivery on all spare parts.
For more information on buying spares visit:
www.parry.co.uk/parry-commercial-catering-spares
PLEASE NOTE THE LOW RATE ADJUSTER ON THE UNIT HAS BEEN FACTORY SET AND
SHOULD NOT BE ADJUSTED UNLESS BY A QUALIFIED ENGINEER IN WHICH CASE THE LOW
RATE ADJUSTER SHOULD BE RE-SEALED.
Parry recommends that this unit is serviced at least every 6 months
As part of a full service we recommend the following checks are carried out.
Before any maintenance isolate the appliance from the gas supply
Examine and clean all burner and flame retention ports.
Using a combination of brushes, remove dust and lint from within the primary air
ports venture and burners. Check the burner aeration to ensure it is clear of
debris.
Clean burner injectors ensuring orifices are not enlarged or damaged.
Stiff gas controls can in some instances be greased. Please ensure the correct
type or grease is used.
Check any ignition electrodes and high tension leads where fitted. Clean and
adjust where necessary
Check Door seal for damage and condition.
Reconnect gas supply and test all disturbed gas connections for gas tightness
using a non-corrosive leak detection fluid.
Check the appliance burner operating pressure, heat input rating or where
necessary both.
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Parry-British Built for Purpose
IN152-7
9
Fault Finding
Fault
Check
Solution
Hob
Incorrect flame picture, flame
lift or noisy burner
Incorrect burner pressure,
Blocked or partially blocked
injector.
Inadequate ventilation.
Burner faulty/corroded/blocked
Check/adjust burner pressure
Check /clean injector,
Check ventilation.
Check / clean burner and
replace as necessary.
Burners will not stay alight
Faulty connection at
thermocouple-valve, incorrectly
located
Remake connection, reposition
thermocouple
Burner goes out when turned
to “low”
Blockage in tap
Clean and re-grease
Irregular flame
Burner ring/cap not correctly
located, or low pressure
Relocate and check pressure at
test point.
Oven
Failure to ignite
Dirt or grease broken or loose
connection
Clean reconnect / replace
H.T.Lead
Incorrect spark gap
Set gap 3-4mm
Burner fails on low rate
Loose Thermocouple
Replace
Faulty Magnet in F.F.D.
Replace thermostat
Burner fails on low rate
Thermocouple out of position.
Reposition
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Parry-British Built for Purpose
IN152-7
10
Conversion Procedure
THIS CONVERSION MUST BE CARRIED OUT BY A COMPETENT QUALIFIED PERSON.
Disconnect machine from gas supply
Remove solid top castings (4 pieces)
Remove burner box assembly
Remove main burner injector and replace with one supplied
Remove pilot injector and replace with one supplied
Remove fascia panel and tap knobs
Remove low rate screw from tap and thermostat and replace with bypass screws
supplied.
Remove loose oven base, disconnect pipe from injector
Remove injector from burner and replace with one supplied
Reassemble in reverse order
Test for gas soundness
Gas Type
W.G.
mbar
Hob
Injector
Pilot
Injector
Oven
Injector
Bypass
Screw
Natural Gas
G20
8”
20
290
29.2
220
95
Propane
G31
14.8”
37
180
16.2
150
55
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Parry-British Built for Purpose
IN152-7
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Technical Information
Solid Hob Burner
GAS
OPERATING PRESSURE
TOTAL HEAT INPUT
NATURAL G20
20mb / 8” W.G.
12.058 KW = 41,143 Btu/h
PROPANE G31
37mb / 14.8” W.G.
13.004 KW = 39,240 Btu/h
GAS RATE
M³/HR
FT³/HR
NATURAL G20
1.276 M³/HR
45.062 FT³/HR
PROPANE G31
0.532 M³/HR
18.787 FT³/HR
Solid Hob Burner (Low Rate)
GAS
OPERATING PRESSURE
TOTAL HEAT INPUT
NATURAL G20
20mb / 8” W.G.
3.790KW = 12,932 Btu/h
PROPANE G31
37mb / 14.8” W.G.
8.650 KW = 29,512 Btu/h
GAS RATE
M³/HR
FT³/HR
NATURAL G20
0.382 M³/HR
13.490 FT³/HR
PROPANE G31
0.337 M³/HR
11.901 FT³/HR
Oven Burner
GAS
OPERATING PRESSURE
TOTAL HEAT INPUT
NATURAL G20
20mb / 8” W.G.
6.199 KW = 21,152 Btu/h
PROPANE G31
37mb / 14.8” W.G.
7.896 KW = 28,107 Btu/h
GAS RATE
M³/HR
FT³/HR
NATURAL G20
0.656 M³/HR
23.166 FT³/HR
PROPANE G31
0.323 M³/HR
11.407 FT³/HR
Total Unit
GAS
OPERATING PRESSURE
TOTAL HEAT INPUT
NATURAL G20
20mb / 8” W.G.
18.257 KW = 62,294 Btu/h
PROPANE G31
37mb / 14.8” W.G.
20.900 KW = 71,311 Btu/h
GAS RATE
M³/HR
FT³/HR
NATURAL G20
1.932 M³/HR
68.228 FT³/HR
PROPANE G31
0.855 M³/HR
30.194 FT³/HR
AIR FLOW RATE FOR COMBUSTION 22.5m³/HR
44.52 FT³/HR
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Parry-British Built for Purpose
IN152-7
12
Service Information
This appliance should be routinely serviced to prolong its lifetime. Parry recommends that
the appliance is serviced every 12 months by a Parry authorised engineer. Failure to service
your product within the initial 12 month warranty period will cause the 24 month warranty
to become void.
If the supply cord becomes damaged, it must be replaced by the manufacturer, it’s service
agent, or a similarly qualified person.
Enhanced 2 Years Warranty
Parry Catering (Midlands) Ltd offer an enhanced warranty of two
years (including parts and labour) on all of the Parry manufactured
products. To take advantage of this you should register you warranty
by logging onto the company website and filling out our simple form.
www.parry.co.uk/the-parry-warranty
If you have any issues with your product and wish to request a
warranty call you can contact our friendly team who will organize a
Parry approved service engineer to attend and fix your problem.
All warranty requests can be sent to [email protected]
alternatively call our warranty department for technical
assistance on 01332 875544
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Parry-British Built for Purpose
IN152-7
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Warranty Information
Not covered under warranty
Fault due to incorrect installation, poor maintenance
or equipment abuse.
Resetting of equipment or circuit breakers.
Faulty electrics – e.g. customer’s plug socket, plug,
wiring, junction box fault, wrong fuse.
Products must be serviced within the first 12
months to be eligible for the 2 year warranty
Product not covered by warranty if combustible
materials have been used, e.g. plastic trays.
Foil used on racks, blockages and lime scale issues.
Failure to grant access for pre-arranged service
call.
Equipment that has been set up or used incorrectly
e.g. dishwasher detergents, levelling and setting up
of doors on a six burner cooker.
Excessive carbon build-up on griddle plates or
overuse of lava rock on chargrills. (Recommended
use by Parry no more than 2kg.)
All of the above points are not covered by
warranty and any costs incurred, because of the
above, will be forwarded to the parties responsible
for placing the call.
The manufacturer’s warranty is only valid in the UK
mainland. Northern Ireland, Western Isles, Inner
Hebrides and Islands are parts only warranty. Please
be aware that the warranty starts from the date of
purchase from Parry and not the sale or installation
date of the equipment.
To be eligible for a 2 year warranty, products must be
serviced at least once within the first 12 months of
purchase.
All service calls will be carried out between 8am
and 5pm, Monday to Friday.
Your warranty is invalid if your equipment has not
been installed in accordance with the
manufacturer’s instructions. The misuse, alteration
or unauthorised repairs of the equipment will also
invalidate the warranty.
During the warranty period it is at Parry’s
discretion whether to repair or replace the
equipment.
The warranty only applies if the equipment has
been used in a professional manner following the
manufacturer’s instructions and maintenance
guidelines.
The warranty covers defects in the material and
component failure only. We are not liable for trading
loss, loss of perishable items, water damage or loss
due to injury or fire damage.
Please ensure you have referred to the
manufacturer’s instruction before placing a warranty
call.
Contact our warranty department on 01332 875544
for technical assistance.
Please have your model number ready before calling.
All warranty requests must be submitted to
Failure to pay any warranty charges will result in your
warranty being put on hold until the bill has been
settled. Any issues regarding the raised charges should
be put in writing to our warranty department for
further investigation.
Register your product by visiting our website
www.parry.co.uk
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Parry-British Built for Purpose
IN152-7
14
Disposal & Recycling
The packaging should be disposed of in accordance with the regulations in force.
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