Why Dimplex Heat Pump does not operate?
Your Dimplex Heat Pump might not be operating because the external temperature is above the HEAT OFF setting in the advanced settings menu. Also, if the water inlet temperature is lower than 20°C, the inline flow boiler will activate to raise the temperature.
Why my Dimplex LA 12 MI does not heat up enough?
Your Dimplex Heat Pump might not be heating up enough because it is undersized for the heat demand of the property at low external temperatures. It could also be due to the water flow temperature being set too low for the installed heat emitters.
Is ice formation on my Dimplex LA 12 MI normal?
Yes, ice formation on the evaporator of your Dimplex Heat Pump is normal during cold weather. The defrost function should keep the majority of the coil clear of ice to allow adequate air flow. Typically, if the ice is less than 1cm thick and the controller does not show a fault, the system is operating correctly.
What to do if Dimplex LA 12 MI does not heat up property quickly?
Dimplex Heat Pumps are designed for continuous operation and do not have a large overload factor to quickly heat a building. To address this, ensure that the property temperature is not allowed to significantly drop during periods of cold weather.
Why is my Dimplex LA 12 MI Heat Pump hot water cylinder not hot enough?
The hot water cylinder of your Dimplex Heat Pump may not be hot enough. Check that the coil is correctly sized for the heat pump's output and that the temperature setting within the controller is set to 45C.
How to fix a noisy Dimplex LA 12 MI Heat Pump?
If your Dimplex Heat Pump system is noisy during operation: * Check that the unit is not installed on an incline. * Make sure that all covers are closed correctly.
Why does my Dimplex Heat Pump emit mist?
Mist emission from your Dimplex Heat Pump is normal during certain atmospheric conditions. This occurs because the drop in air temperature caused by the heat pump is cold enough for mist to form.
What to do if Dimplex Heat Pump hot water cylinder is cold?
If the hot water cylinder of your Dimplex Heat Pump is cold, check that the controller is in TANK mode.
How to fix a blank Dimplex Heat Pump controller?
If the controller of your Dimplex Heat Pump is blank, check the circuit breaker to the heat pump.
Information on related technical documents available.
Details for the installation of the heat pump system and components.
Guides for the operation and maintenance of the heat pump system.
Explains the advantages of heat pumps and their working principles.
Details compressor types, labelling, and comparisons between models.
Outlines steps for choosing the correct heat pump model based on building needs.
Explains methods for accurately calculating a building's heat loss.
Provides practical sizing examples and information on Dimplex's design service.
Covers boiler interlock, Horstmann PRT thermostat, and system control integration.
Details the heat pump's main controller and weather compensation features.
Discusses the importance of low flow temperatures for efficiency and emitter selection.
Provides guidance on selecting appropriate heat emitters for various flow temperatures.
Describes Dimplex EC-Eau and ECS combination cylinder ranges for DHW.
Covers heat pump power for DHW and how to select an appropriate cylinder.
Details setting DHW temperature, cylinder reheat, and sterilisation procedures.
Guidance on selecting the site, fixing the unit, and wall mounting.
Specifies requirements for airflow, maintenance access, and sound.
Covers local planning, MCS standards, and national planning regulations.
Details requirements for external pipe work, minimum water volume, and flow rates.
Covers filters, filling, de-aeration, expansion vessels, and valves.
Addresses frost protection measures and condensate drainage.
Instructions for routing and protecting electrical cables within the unit and externally.
Details requirements for connecting the main power supply and cable sizing.
Describes wiring for inline boilers, DHW immersion, and controller cables.
Covers overall system connection and proper installation of the external controller.
Lists checks for the heat pump, electrical, hydraulic, cylinder, thermostat, and controller.
Details the components included in different standard heat pump packages.
Lists product approvals and detailed performance data for the LA MI range.
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