Williams Refrigeration Medi+

Williams Medi+ Range

Williams Medi+ products are designed to meet the exacting needs of medical and laboratory applications.
From delicate, temperature-sensitive laboratory uses to high-value pharmaceuticals, we’ve put all our expertise into developing fridges and freezers that offer the most reliable, precise, stable and robust storage conditions.

The Williams Medi+ range is available across a range of 16 models, from compact undercounter units to upright cabinets, including slimline versions. All models are available with solid or glass doors.

This diversity means Williams can offer products to suit applications for the storage of drugs, medicines and vaccines in a variety of sites including hospitals, laboratories, nursing and care homes, pharmacies, doctors’ and dentists’ surgeries, vets and other clinical settings.

Williams Medi+ Range
Williams Medi+ Glass Door Range

Medi+ Range Features and Benefits


Diversity

With 16 models operators can select a fridge or freezer that best suits both the application and the available space

Heavy duty construction

The stainless steel exterior with aluminium interior provide a robust, durable and hygienic cabinet with easy to clean surfaces

Safe storage

From delicate, temperature-sensitive laboratory uses to high-value pharmaceuticals, the Medi+ range offers reliable, stable and robust storage conditions

Medi+ Controller

Automatically monitors the fan, defrost and compressor ensuring that the critical storage temperature is never compromised


Internal LED lighting
provides bright, low heat lighting whilst delivering great energy savings and clear visibility

Designed and engineered
to operate in busy ambient temperatures of up to 43°C

Natural hydrocarbon refrigerant
with low GWP / zero ODP delivers superior thermal efficiency

Magnetic balloon door gaskets
with 100% tight seal, preventing heat ingress and enhancing energy efficiency

Medi+ Controller
features a Modbus network data connection for comprehensive monitoring of temperatures, alarms and defrost via a 3rd party supervisory system

Precision injected, high density
polyurethane insulation with low GWP (Global Warming Potential) and zero ODP (Ozone Depletion Potential)

Heavy duty, non-marking
swivel castors with roller bearings and brakes improve both mobility and stability and make it easy to move for cleaning

Choice of options
include glass or solid doors and a choice of white nylon coated wire shelving as standard or optional perforated steel shelves

Defrost water is vaporised
using recycled heat from compressor

Removable racking system
with anti-tilt trayslides & nylon coated shelving (except WMP135)

Air cooled
condensing unit

High performance
helium leak testing


The Medi+ Controller

Medi+ Controller Features

  • Clear digital display
  • Audio and visual hi/lo temp alarm
  • Audio and visual door open alarm
  • Maximum and minimum temperature memory
  • Auto defrost
  • Air & evaporator probe
  • Lockable keypad
  • Condenser cleaning warning to ensure optimum performance is maintained
  • Volt free alarm contacts for connecting to supervisory or BMS system
  • Modbus network data connection for comprehensive monitoring of temperatures, alarms and defrost via 3rd party supervisory system
  • Precise temperature control using decimal point operation
Williams Medi+ Controller


Trusted In The Market

We have a wealth of experience in the storage of high value pharmaceuticals, having developed a range of coldrooms specifically designed for this application. The NHS and other public sector organisations have access to the range via the ESPO Contract 98 and M98 Frameworks.


Pharmaceutical Coldrooms

When performance is everything you can trust Williams to deliver.


We’ve supplied equipment to leading medical and research
facilities and hospitals around the world.


From exacting temperature controls to bespoke racking and even
vibration free test rooms – we’ve supplied them all.


Installations include

  • Lister Hospital, Stevenage
  • Darlington Hospital
  • Forth Valley Hospital
  • Edinburgh Royal Infirmary
  • Dumfries and Galloway Hospital
  • Western General Hospital, Edinburgh
  • The Beatson Institute, Glasgow
  • Royal Hallamshire in Sheffield
  • Histopathology Laboratory, Sheffield

Read More about Williams Coldrooms

Williams Pharmaceutical Coldrooms
Williams Pharmaceutical Coldrooms


Medi+ WMP135

  • Stainless steel exterior and aluminium interior
  • Barrel locked door
  • Pilaster racking with removable shelving clips (H models only)
  • Front vented refrigeration system
  • Air cooled condensing unit
  • High performance helium leak testing
  • Engineered to operate efficiently up to 32°C ambient
  • Medi+ controller

Dimensions (mm)

External

Internal

Width

606

536

Depth

577

434

Height

805

606

Door Opening

-

606

Capacity cu.ft/ltrs

-

4.8/135


WMP135 Technical, Electrical and Energy Data

Technical Data

Model

Temperature (°C)

Climate Class

Power Supply

Fuse (Amps)

Defrost

Noise level (dBA)

HWMP135

+2 / +8°C

Class 4 (30°C)

230V/50Hz/1Ph

13

Automatic Off Cycle

55

LWMP135

-18 / -22°C

Class 4 (30°C)

230V/50Hz/1Ph

13

Automatic Off Cycle

44

Electrical/Energy Data

Model

Refrigerant

Start Up (Amps)

Running (Amps)

Heat Rejection

HWMP135

R600a

3.7

0.53

194 *

LWMP135

R600a

3.7

0.53

194 *

*Heat rejection is evaporating at -10°C in 32°C Ambient

Medi+ WMP335

  • Stainless steel exterior and aluminium interior
  • Barrel locked door
  • Anti-tilt trayslides (shelf support)
  • Removable racking system
  • Air cooled condensing unit
  • High performance helium leak testing
  • Engineered to operate efficiently up to 43°C ambient
  • Medi+ controller

Dimensions (mm)

External

Internal

Width

595

445

Depth

684

477

Height

1956

1315

Door Opening

-

445

Capacity cu.ft/ltrs

-

11.8/335


WMP335 Technical, Electrical and Energy Data

Technical Data

Model

Temperature (°C)

Climate Class

Power Supply

Fuse (Amps)

Defrost

Noise level (dBA)

HWMP335

+2 / +8°C

Class 5

230V/50Hz/1Ph

13

Automatic Off Cycle

63

LWMP335

-18 / -22°C

Class 5

230V/50Hz/1Ph

13

Automatic Off Cycle

61

Electrical/Energy Data

Model

Refrigerant

Start Up (Amps)

Running (Amps)

Heat Rejection

HWMP335

R290

9.5

1.7

484 **

LWMP335

R290

9.5

2.47

623 *

*Heat rejection is evaporating at -10°C in 32°C Ambient

Medi+ WMP410

  • Stainless steel exterior and aluminium interior
  • Removable racking system
  • Barrel locked doors
  • Anti-tilt trayslides (shelf support)
  • Air cooled condensing unit
  • High performance helium leak testing
  • Engineered to operate efficiently up to 43°C ambient
  • Medi+ controller

Dimensions (mm)

External

Internal

Width

695

545

Depth

684

477

Height

1956

1315

Door Opening

-

545

Capacity cu.ft/ltrs

-

14.5/410


WMP410 Technical, Electrical and Energy Data

Technical Data

Model

Temperature (°C)

Climate Class

Power Supply

Fuse (Amps)

Defrost

Noise level (dBA)

HWMP410

+2 / +8°C

Class 4 (30°C)

230V/50Hz/1Ph

13

Automatic Off Cycle

63

Electrical/Energy Data

Model

Refrigerant

Start Up (Amps)

Running (Amps)

Heat Rejection

HWMP410

R290

9.5

1.75

484 *

*Heat rejection is evaporating at -10°C in 32°C Ambient

Medi+ WMP523

  • Stainless steel exterior and interior
  • Removable racking system
  • Barrel locked doors
  • Anti-tilt trayslides (shelf support)
  • Air cooled condensing unit
  • High performance helium leak testing
  • Engineered to operate efficiently up to 43°C ambient
  • Medi+ controller

Dimensions (mm)

External

Internal

Width

727

567

Depth

837

660

Height

1940

1332

Door Opening

-

567

Capacity cu.ft/ltrs

-

18.5/523


WMP523 Technical, Electrical and Energy Data

Technical Data

Model

Temperature (°C)

Climate Class

Power Supply

Fuse (Amps)

Defrost

Noise level (dBA)

HWMP523

+2 / +8°C

Class 4 (30°C)

230V/50Hz/1Ph

13

Automatic Off Electric

63

LWMP523

-18 / -22°C

Class 4 (30°C)

230V/50Hz/1Ph

13

Automatic Electric

61

Electrical/Energy Data

Model

Refrigerant

Start Up (Amps)

Running (Amps)

Heat Rejection

HWMP523

R290

9.5

1.67

484 **

LWMP523

R290

9.5

2.59

623 *

*Heat rejection is evaporating at -10°C in 32°C Ambient

Medi+ WMP620

  • Stainless steel exterior and aluminium interior
  • Removable racking system
  • Barrel locked doors
  • Anti-tilt trayslides (shelf support)
  • Air cooled condensing unit
  • High performance helium leak testing
  • Engineered to operate efficiently up to 43°C ambient
  • Medi+ controller

Dimensions (mm)

External

Internal

Width

727

567

Depth

824

665

Height

1960

1411

Door Opening

-

567

Capacity cu.ft/ltrs

-

21.9/620


WMP620 Technical, Electrical and Energy Data

Technical Data

Model

Temperature (°C)

Climate Class

Power Supply

Fuse (Amps)

Defrost

Noise level (dBA)

HWMP620

+2 / +8°C

Class 4 (30°C)

230V/50Hz/1Ph

13

Automatic Off Cycle

63

LWMP620

-18 / -22°C

Class 4 (30°C)

230V/50Hz/1Ph

13

Automatic Electric

63

Electrical/Energy Data

Model

Refrigerant

Start Up (Amps)

Running (Amps)

Heat Rejection

HWMP620

R290

9.5

1.64

484 *

LWMP620

R290

14.2

3.63

623 *

*Heat rejection is evaporating at -10°C in 32°C Ambient

Medi+ WMP1295

  • Stainless steel exterior and aluminium interior
  • Removable racking system
  • Barrel locked doors
  • Anti-tilt trayslides (shelf support)
  • Air cooled condensing unit
  • Full length integral ‘easy grab’ door handle
  • Engineered to operate efficiently up to 43°C ambient
  • Medi+ controller

Dimensions (mm)

External

Internal

Width

1400

1240

Depth

824

665

Height

1960

1411

Door Opening

-

567

Capacity cu.ft/ltrs

-

45.7/1295


WMP1295 Technical, Electrical and Energy Data

Technical Data

Model

Temperature (°C)

Climate Class

Power Supply

Fuse (Amps)

Defrost

Noise level (dBA)

HWMP1295

+2 / +8°C

Class 4

230V/50Hz/1Ph

13

Automatic Off Cycle

65

LWMP1295

-18 / -22°C

Class 4

230V/50Hz/1Ph

13

Automatic Electric

70

Electrical/Energy Data

Model

Refrigerant

Start Up (Amps)

Running (Amps)

Heat Rejection

HWMP1295

R290

13.5

1.42

768 *

LWMP1295

R290

13.5

3.63

1068 *

*Heat rejection is evaporating at -10°C in 32°C Ambient

Williams Medi+ Range Features at a Glance

✓ Standard     ‒ Not available     ⚬ Option

WMP135

WMP335

WMP410

WMP523

WMP620

WMP1295

Spark free interior

Stainless steel exterior and aluminium interior

Stainless steel exterior and interior

Barrel locked doors

Magnetic balloon door gaskets with 100% tight seal

White nylon coating wire shelves *

80mm polyurethane insulation with low GWP and zero ODP

Pilaster racking with removable shelving clips *

Front vented refrigeration system

Engineered to operate efficiently up to 32°C ambient

Engineered to operate efficiently up to 43°C ambient

Air cooled condensing unit

Defrost water is vaporised using recycled heat from compressor *

High performance helium leak testing

Full length integral ‘easy grab’ door handle

Self closing doors

Anti-tilt trayslides (shelf support)

Removable racking system

Heavy duty, non-marking, swivel castors with brakes

Internal LED lighting (H models only)

Full range of RAL colours

Glass door and internal lighting (H models only)

Punched stainless steel shelves *

Additional shelving **

Left hand door hang

* Except LWMP135 / ** Except WMP135

Williams Medi+ Controller Features

✓ Standard     ⚬ Option

Medi+ Controller

Clear digital display

Audio and visual hi/lo temp alarm

Audio and visual door open alarm

Maximum and minimum temperature memory

Auto defrost

Air and evaporator probe

Lockable keypad

Condenser cleaning warning to ensure optimum performance is maintained

Volt free alarm contacts for connecting to supervisory or BMS system

Modbus network data connection for comprehensive monitoring of temperatures, alarms and defrost via 3rd party supervisory system

Precise temperature control using decimal point operation

We develop specialist commercial refrigeration for a variety of industries. Based in King’s Lynn, Norfolk, we operate a highly successful new product development programme, further cementing our position as a global market leader.