SUPERMARKET SYSTEMS AND EQUIPMENT
J&E Hall digital condensing units off er more
The unit has a 20% smaller footprint and maintains capacities up to 38kW. This allows the contractor to install the unit in areas where space is at a premium and at the same time reduce energy costs. The new compact unit is a packaged alternative to multi compressor racks and together with the current digital range, off ers excellent effi ciencies and unparalleled load matching. It can be used with multiple cabinets and evaporators – and is the perfect fi t for larger convenience stores, supermarkets and petrol forecourts. J&E Hall UK product sales manager, Paul McDermott, said: “The pressure
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on supermarkets and installers to think and act smart has never been greater. Customers are leading the call for more effi cient ways to store, present and sell refrigerated products. “We are seeing increased demand for a physically smaller outdoor unit
when space and access is restricted. Customers like the existing 12hp Digital Twin Scroll but sometimes there just isn’t the space to install one. Together with the benefi ts of digital technology, this means that the compact unit is an extremely effi cient and versatile solution for commercial refrigeration applications.”
Digital Twin 2
Two J&E Hall 12hp Digital Twin Fusion Scroll units have been installed at O’Kane’s store and service station in Armagh, Northern Ireland. The outdoor units run on the low GWP refrigerant R407F and support eight refrigeration cabinets in the store. The cabinets have been installed to sell a wide range of food, drink and other essential items to attract motorists and local people to the busy outlet.
32 April 2020
&E Hall’s compact version of the 12hp digital twin fusion scroll commercial condensing unit off ers the must-have benefi ts of digital technology in supermarket installations.
J&E Hall’s 12hp unit houses two highly-effi cient Copeland scroll compressors – one digital and one fi xed speed. It provides greater energy effi ciency and lower running costs by matching refrigeration load precisely. This is achieved by advanced electronic control of the digital compressor which can deliver variable capacity from ten per cent to 100%. Outdoors condensing units play a key role in keeping products in perfect
condition for the customer. Stores are opting for refrigerated cabinets with doors and this requires the condensing units to have greater fl exibility on load matching. Refrigeration load can vary considerably during a 24-hour period in a store. Customers opening and closing cabinet doors have a signifi cant eff ect on the cooling demand of the system. Having the ability to vary the load can make a real diff erence to the
effi ciency of the refrigeration system. Old on-off technology cannot effi ciently match changing load demand so the use of digital technology varying output is an ideal solution.
Digital Twin 3 The acoustically lined J&E Hall 12hp Digital Twin Unit incorporates condenser fans with speed control for quiet operation. It is manufactured using high-quality components all housed in a heavy-duty weather-proof and corrosion-resistant casing. For easy installation and servicing, major components are accessed via
hinged doors. The pre-wired control panel with mains isolator, phase protection relay and electronic controller with large LCD display off ers major benefi ts to the installer. The unit also features compressor ball valves, electronic oil level regulators, a new oil separator-reservoir, externally-mounted service valves and status lights. The new compact J & E Hall 12hp Digital Twin Unit can also operate on R404A, R407A, R448A and R449A.
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