Welcome to Manik Engineers Pvt. Ltd.
Manik Engineers is the most reputed brand in India with 30 years history for manufacturing various controls for HVAC & R Industry; such as Liquid Level Controllers, Solenoid Valves, Gas operated solenoid valves, Evaporator pressure regulators, Compressor Capacity Controllers, Thermostatic Expansion Valves and other Controls. The products are very popular in beverages and breweries, pharmaceuticals, chemical, bulk drug, dyes and Intermediates industry, Dairy, Food industry, Stepple Fiber, Nylon and Textile Industry.
Level Controller
The neon indicator of liquid level controller indicates the "ON" and "OFF" positions of solenoid valve. In the proper installation the "ON-OFF" cycle of the controller is controlled by adjustment of hand expansion Valve.
The hand Expansion Valve should be set such that the Solenoid valve is ON for 10 to 20 minutes approximately. These timings are only indicative and might vary in particular application depending upon seasonal conditions and loading and defrosting conditions. The golden rule is that the hand Expansion should be set at full load such that Solenoid valve remains in the open position approximately 80% of the time and thereby provides smooth flow of liquid refrigerant to the evaporator.
This will avoid flood back due to surging & short cycling of the Solenoid Valve. Increase the hand Expansion setting quarter thread per hour until the float is full of liquid.
This be tested by ice formation on the float chamber, and if hand is sticking on the float chamber. Then it definitely indicates the presence of liquid Ammonia inside, or simply by monitoring LED display Connect 230 VAC supply on the controller. Keep the level knob and the differential knob of Electronics Control panel on '2' & '2' respectively.
Our Product
• Float Switch
FKS 39 is an electro -mechanical float switch designed to provide a reliable , electro -mechanical response to liquid level changes.The simple and basic design ensures long lifetime performance and reliable operation for many applications .
• Liquid Line Strainers
Strainer type TA with interchangeable filter insert is used in lines carrying fluorinated refrigerants, ammonia, water, brine, oil and gas which are Carefully designed to give favorable flow conditions. The design makes the filter easy to install and quick to inspect and clean.
• Safety Valves
The valve is designed to meet the strict quality demands and safety requirements for refrigeration installations, specified by the international classification societies. The valve is recommended as an external and internal safety relief valve in refrigeration plants.
