Combination Washer Disinfector

The only one designed to meet Australian requirements.

All Malmet products are manufactured in the facility at Leeton NSW, which is ISO 9001:2016 and ISO 13485:2016 Certified.

Malmet Bedpan, Urinal Bottle & Utensil/Bowl Washers comply with AS 4187:2014, Reprocessing of reusable medical devices in Health Service Organisations, and the relevant parts of ISO 15883 for Washer Disinfectors. The equipment has been microbiologically tested as per recommendations outlined in ISO 15883 by an independent NATA Certified Laboratory to ensure the wash efficacy is satisfactory for the intended load.

WDS with 2 bedpans and 4 urinal bottles

Malmet Combination Bedpan and Utensil Washer Disinfector

The only combination utensil & bedpan washer disinfector made in Australia

Key Points of Interest

Large capacity – 4 bottles and 2 bedpans, or any combination of utensils (tooth mugs, sputum bowls, kidney bowls, basins, etc)
Energy efficient – 21 Amp, single phase
Sensors – to minimise risk of incorrect program being selected
The door safety is factory set; an obstruction will cause the door to re-open when the obstruction is detected
Simple, hands free operation – 3 standard cycles (bottles only, bedpans and bottles, utensils), to minimise infection risk
Steam disinfecting – no hot water required
USB interface for uploading usage history, temperature & cycle validation & digital fault display

Standards testing and registration

Microbiologically tested by independent NATA certified laboratory
Compliance: ISO 13485 & AS/NZS ISO 9001
In the unlikely event you require a spare part Malmet is made locally so they are readily available and quick to source.
ARTG Registration Number 232450 Class IIb — Electrical Safety Certificate: CS 10462N — Watermark Certificate: WMKA21156
ARTG Certificate

detergent for Malmet Combination Washer Disinfector

A detergent system delivers 30ml of concentrated detergent in the initial wash.

Detergent Datasheet pdf

Features for Control Infection

A total hands–free procedure for each disinfecting cycle — utilizing sensor beam breaks. No need to touch the machine or control pad.
The internal chamber is cleaned and disinfected during each cycle.
Steam and detegent disinfection of equipment is above the Australian Standards in temperature generation and length of cycle.
Hands Free Operation – Zero Contamination – No infection risks to patients or staff.
Odourless disinfection – No bacterial masking or fragrance sprays required as no odours or smells remain.

No disposable or consumable inventory

Bed pans and urinal bottles are disinfected ready–for–reuse.
No disposable container holders to wash or disinfect.
No additional waste imposed on the local government community’s sewerage system.
No worrying about possible imposition of surcharges for excess waste into the sewerage system.
Not excluded for use by any local authority or council.
Only detergent and natural body waste is flushed into the sewer.

WDS components

Malmet Combination Washer Disinfector components

Suggested item positioning in the chamber

Some layout suggestions for items inside the Chamber

The WDS has gone through a thorough and exhaustive R & D program, including site trials at a number of facilities. Malmet has listened to the needs of both clinical and engineering staff and has designed the WDS to meet the requirements of all our clients, whether it be a large metropolitan hospital, a smaller regional hospital, or an aged care facility.

Videos — Combination Washer Disinfector

Models and Accessories

Models

Product Code	Description	Power	Trap
WDS1P (92-1001)	Combination Washer Disinfector	240V, 20A	“P”
WDS1S (92-1000)	Combination Washer Disinfector	240V, 20A	“S”
WDS3P (92-1011)	Combination Washer Disinfector	415V, 20A	“P”
WDS3S (92-1010)	Combination Washer Disinfector	415V, 20A	“S”

Accessories
92-5235	Utensil Basket 465 x 265 x 115 for WDS
92-5033	Rack — Kidney Dish
92-5153	Rack — Jug Holder for 3 x 1L Jugs

Specifications for WDS

Electrical Rating Model WDS Single Phase	Volts	240V
	Phase ⁄ Hz	1 ph ⁄ 50 Hz
	Amps	20 Amps
Internal circuit breakers Single Phase	Heater power supply pcb	1 pole 20A 240Vac
Internal circuit breakers Single Phase	Control power supply pcb	1 pole 10A 240Vac
Heating Elements Single Phase	Steam Generator	4500W 240V 3 x 6.25A Star
Heating Elements Single Phase	Water tank	4500W 240V 3 x 6.25A Star

Electrical Rating Model WDS Three Phase	Volts	415V
	Phase ⁄ Hz	3 ph ⁄ 50 Hz
	Amps	20 Amps
Internal circuit breakers Three Phase	Heater power supply pcb	3 pole 20A 415Vac
Internal circuit breakers Three Phase	Control power supply pcb	1 pole 10A 240Vac
Heating Elements Three Phase	Steam Generator	4500W 240V 3 x 6.25A Star
Heating Elements Three Phase	Water tank	7200W 240V 3 x 10A Star
ContactorsHeating Elements Three Phase unit	Steam heating element	3 pole 7.5kw
ContactorsHeating Elements Three Phase unit	W ⁄ tank heating element	3 pole 7.5kw
ELECTRICAL Common components
Element over temperature cut–out	Steam Generator	Capillary bulb thermal cut–out Manual reset 115°C 25A
Element over temperature cut–out	Water tank	Capillary bulb thermal cut–out Manual reset 100°C 25A
Fuse: Transformer	Cylinder type 5 x 20mm	T 5A H 250Vac Time Delay
Processor module battery	Coin Cell	CR2032 Lithium 3 Volts

	Relative Humidity	+30% to 70%
PCB HARDWARE
PCB (Printed Circuit Boards)	Display LCD	D134411
	Heating switch module	D132213
	Control module	D134412
	Processor module	D133447
	Conductivity sensor	D134418
Logger data download	Via	USB port
Software loading	Via	USB port
LOADING CAPACITY
Wash Chamber Capacity	Bedpans ⁄ Urine Bottles	4 x Urinal Bottles 2 x STD Bed Pan & Lid 2 x Small slipper pans & Lid 2 x Large Slipper Pan & Lid
	Urine Bottles only	4 x Urine Bottles
	Bowls ⁄ Utensils	2 x Large Bowls 3 x Medium Bowls Smaller Bowls and Kidney Dishes in Accessory Basket 6 x Large Kidney Dishes 6 x Medium Kidney Dishes
WASH SYSTEM
Nozzles and Sprays	Flush Nozzles	2 x Rotary Nylon
	Tip Sprays	2 x WL1/2 120° 1/8 bsp ss
	Top Sprays	4 x WL1/4 90° 1/8 bsp ss
	Bottom Sprays	4 x WL1/2 60° 1/8 bsp ss
	Urine Bottle Sprays	4 x WL1/4 90° 1/8 bsp ss
	Cool Down Sprays	2 x LW1 120° 1/4 bsp ss
Wash Pump	Horizontal Multistage	750W 240V 1ph 4.6A 116.7L ⁄ Mins s ⁄ s impeller and housing

Detergent	Malmet specific (5Lt)	Detergent Concentrate Caustic Alkaline (ARTGC Class 1)
Detergent Pump	Self priming peristaltic Chemical feed pump	72 rpm 240V 50Hz
PLUMBING
Soil line Connection Complies to AS 2887 & AS ⁄ NZS 3500.2:2003	Type	‘S’ or ‘P’ Trap (6mm PE) 80°
	Size	100mm ID
Backflow Prevention AS 2845.2 – 1996	Air Gap (RAG)	Water storage tank
Cold water inlet Supply	Temp – Pressure (Flow)	15 – 25°C @ 100 – 350kpa
Cold water inlet Supply	Solenoid Valve 1 in 2 out	240V – GB¾ male, WRAS Certified
Hot Water inlet supply	Temp – Pressure (Flow)	55 – 60°C @ 100 – 350kpa
Hot Water inlet supply	Solenoid Valve 1 in 2 out	240V – GB¾ male, WRAS Certified
Minimum water flow @ 100 Kpa		9.377 L ⁄ min
Hose – valve to Water Tank	Stainless Steel Braided	10mm, WRAS Certified
Hoses – Mains Water Supply to Inlet Valve	Stainless Steel Braided Assembly H ⁄ C Water	G¾ Hex Nut Each End 1.5M x 10mm, Cert to AS ⁄ NZS 3499-2006
CONSTRUCTION MATERIALS
Materials	Frame	25 x 25 x 1.6 tube SS
	Wash chamber	316 SS grade 4
	Door	316 SS grade 4
	External panels	304 SS grade 4
	Water tank	316 SS grade 2B
	Steam generator	316 SS grade 2B
	Fasteners	304 ⁄ 316 SS
	Thermal insulation chamber and water tank	TBA
ENVIROMENTAL
Environment conditions Transport and Storage	Fragile, Keep away from rain	Do not stack
Environment conditions Transport and Storage	Temperature	-5°C to +50°C
Environment Operating Conditions	Temperature	+10°C to +25°C
Environment Operating Conditions	Relative Humidity	+30% to 75%
Shipping Details	Height x Width x Depth (mm)	1770 x 800 x 750
Shipping Details	Weight = Packaging + Det	163 Kg

Component Identification Views — see Spare Parts page ⤵

Operating Cycles for cleaning and disinfection

Operating Cycles (cleaning and disinfection)
Cycle	Urinal ⁄ Bedpan	Urinal only	Bowl ⁄ Utensil
1. Flush	8 to 12 secs	–	–
2. Cold water	2 min	2 min	2 min
3. Hot water wash with detergent	2 min	2 min	2 min
4. Hot water rinse	35 sec	35 sec	35 sec
5. Disinfection	1 min @ 90°C	1 min @ 90°C	1 min @ 90°C
6. Cool down	20 sec	20 sec	20 sec

Positioning of the free-standing WDS

Recommended positioning the WDS (Freestanding Model)
Model	Placement	Access Required	Device Dimensions
			Height (mm)	Width (mm)	Depth (mm)
WDS	Freestanding	Both Sides	1685	605	625
Please allow sufficient room for servicing purposes. Recommended space requirements 300mm on either side and 150mm at the rear of the device. (see installation manual)

Service connection requirements for WDS

Service Connections
Model	Hot Water	Cold Water	Soil Line	Electrical
WDS 1ph	Solenoid valve GB¾ Male	Solenoid valve GB¾ Male	100mm ‘S’ or ‘P’ Trap Hot water discharge 75-80°C	240V 1 phase 20 Amps 50 hertz
WDS 3ph	Solenoid valve GB¾ Male	Solenoid valve GB¾ Male	100mm ‘S’ or ‘P’ Trap Hot water discharge 75-80°C	415V 3 phase 20 Amps 50 hertz
No external vent pipe work is required as the device is designed to condensate all visible steam internally.

Power and Water Consumption for WDS

Power and Water Consumption
Model WDS 1ph	Disinfecting Time ⁄ Temp	Avg Cycles per ⁄ Hr	Avg Cycle min ⁄ sec	Avg kWh	Cold Water Avg Lt Per cycle	Hot Water Avg Lt per cycle
Cycle
Bedpan ⁄ Urinal Bottle	1 min @ 90°C	3.9	15.15	0.62	35.6	21.6
Urinal Bottle only	1 min @ 90°C	4.2	14.25	0.572	24.4	20.7
Bowl ⁄ Utensils
Model WDS 3ph	Disinfecting Time ⁄ Temp	Avg Cycles per ⁄ Hr	Avg Cycle min ⁄ sec	Avg kWh	Cold Water Avg Lt Per cycle	Hot Water Avg Lt per cycle
Cycle
Bedpan ⁄ Urinal Bottle	1 min @ 90°C	4.1	14.15	0.60	35.6	21.6
Urinal Bottle only	1 min @ 90°C	4.5	13.15	0.574	24.4	20.7
Bowl ⁄ Utensils
NOTE: Values may change due to operating and supply service conditions