Undersink Water Chiller

mini Boil 'n chill Installation & Maintenance

Installation & Maintenance:

MC series Below Sink Chiller

IMPORTANT - Please read
  • Please note: if supply cord is damaged – it must be replaced by the manufacturer, it’s service agent or similarly qualified persons in order to avoid a hazard.
  • This appliance is not intended for use by persons(including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
  • Children shall be supervised to ensure that they do not play with the appliance.
  • Unit is not to be installed for outdoor use.
  • This appliance can only be disconnected from the power supply by unplugging it from the wall socket. Make sure the plug and socket are readily accessible.
  • Minimum Working Pressure – 200Kpa
  • Maximum Working Pressure – 800Kpa
Important: this unit must be installed by an authorised plumber.
Important: We recommend the fitting of a dual action filter to this unit.
ideal working temperature is between 2°c - 30°c to prevent freezing, if freezing does occur turn unit off immediately.
Warning: unit is to be connected in accordance with AS/NZS3500.1 and AS/NZS3500.2
NB: The unit must be fitted with Expansion Control Valve (ECV) when fitted with a Dual Check Valve
Important: Do not plug in power - must be off until installation is completed

If fitted with filter we recommend changing the cartridge every 6 months.
The manufacturer recommends the cleaning and service of the unit every 12 months.


Installation instructions – model MC series

Do not plug in or turn on power

  1. This unit to be installed underneath a kitchen sink in a cabinet not less than 700mm wide. A vent should be installed in the door adjacent to the fan aperture or alternatively have an air vent in toe space and one above near top of door. The remote unit must have 25mm at front and back of the unit, the unit can be installed flush against either side wall of the cabinet. Objects located within 100mm of slots must not block the side slots, which are not against the cabinet.
  2. The unit shall be installed on a level surface. (Do not allow the unit to be tilted in installation!)
  3. Water inlet and outlet ¼ diameter  tubes with connectors supplied.
  4. Ensure connecting lines are thoroughly flushed to remove all foreign matter before connection to cooler.
  5. Connect cooler to main water supply with a 350kpa pressure-limiting valve fitted with Dual Checks, fit tap as required.
  6. Plug cooler into appropriate 10-amp main supply. DO NOT TURN POWER ON.
  7. Open supply valve.
  8. Purge air from water lines by operating tap to which cooler is connected; steady stream assures all air is removed.
  9. Turn on power to cooler wait 30 minutes for initial chill cycle.


The plumbing installation must be done in accordance with local water authority regulations and these installation instructions.
The installer must supply (if necessary) and install all valves required by local regulations and/or relevant standards.

Warning: This unit must not be cleaned by water jet or high pressure hose.




Trouble Shooting and Maintenance
Action to be performed by a qualified person.


Temperature control:
Factory set 3 degree c (+2 degree) under normal conditions.

Cabinet louvers and condenser fins should be periodically cleaned with brush or vacuum cleaned excess dirt etc will result in poor ventilation will cause compressor to overheat resulting in no cold water.

The coil at the front of the unit must be kept clean. check on a regular basis ie weekly and should be dusted and/or vacuumed.
The vents on the side of the unit should be free from dust or lint and checked on a regular basis.
The cover itself should be wiped over with a damp cloth.

All maintenance is to be carried out by a qualified and experienced person.
Due to the unit holding r134a gas a plumber, electrician or qualified boiling billy agent is required for all work.



Wiffen Products Pty Ltd guarantees your chiller against faulty manufacture or mechanical defect for a period of 12 months from date of installation.

An authorised person in accordance with AS/NZS3500.1 and AS/NZS3500.2 must install the unit.

The warranty is void if unit is modified in any way, misuse, faulty installation, water conditions   and unauthorised persons working on the unit.

The warranty does not cover filters.

If unit does not operate correctly, the unit must be sent back to the manufacture’s factory for replacement or repairs to the unit and customer to pay freight both ways.

The company obligation per warranty is limited to repair or replacement of parts at the discretion of the company. (For disclaimer particulars contact manufacturer).

Wiffen Products Pty Ltd reserves the right to amend this warranty or design at any time without notice.