Frozen room technical specification
FROZEN ROOMS AT -18°C TEMPERATURE
-18°C FUNCTION DEFINITION AND TECHNICAL SPECIFICATIONS OF Frozen
A cold room will be installed at -18°C frosty temperature.
The food product will be stored in the -18°C Frozen Room, and it is the product that enters and leaves 500 kg per day.
Stop.
The products will be put in the room as shocked.
-18°C Frozen Room will be opened routinely maximum 5 times a day.
One or two people will enter the -18°C Frozen Room, depending on the weight of the product to be taken.
-18°C There will be one device in the frozen room.
-18°C Freeze Room dimensions (volume) will be as in the layout project.
-18°C The operating range of the frozen room devices will be -16 / -18°C.
Device capacities will be determined according to the outside temperature +45°C.
-18°C The frozen room will be for normal storage purposes.
-18°C Frozen ROOM WALLS TECHNICAL SPECIFICATIONS
-18°C The floor, ceiling and walls of the frozen room will be assembled and disassembled with polyurethane panels, with an eccentric hook lock mechanism.
-18°C Dull Cold Storage Wall panels and Ceiling Panels will be insulated with 0.50 mm polyester painted galvanized sheet on visible surfaces, and polyurethane insulation between 0.50 mm galvanized sheet on the invisible surface.
-18°C Dull Floor panels will be plywood (at least 12 mm) thick on the top, and 150 mm polyurethane between the bottom 0.50 mm galvanized sheet.
Polyurethane insulation material with insulation density of 38-42 kg/m3 will be used in -18°C Frozen Panels.
-18°C Dull Panel thickness will be 150 mm. Provided that the company certifies, if it uses polyurethane insulation material with an insulation density of 42-44 kg/m3, 150 mm thick panels can be used.
The contact surfaces of the -18°C Frozen Panels will be double-staged male and female to prevent air, heat and steam passage and will be fully sealed with silicone after assembly.
The heat permeability coefficient of polyurethane, which is -18°C Dull Panel insulation material, will be k: 0.0233 wm K.
-18°C Dull Panel polyurethane, which is an insulation material, will have B2 or B3 non-combustible properties in accordance with DIN 4102 norm.
A perfect appearance and minimization of heat losses will be provided with special twisting corner turning accessories called -18°C Dull Flashing.
Painted metals used on the -18°C Dull Panel surface will be 5-7 micron thick gray epoxy primer and 23-25 micron thick 2 layers RAL 9002 polyester painted.
Metals to be used on -18°C Dull Panel surface will have CE certificate.
-18°C Dull Panel metal surface should be covered with a special protective foil that can be removed later.
-18°C Frozen Panel manufacturer company must have ISO 9001 certificate.
The net external dimensions of the -18°C Frozen Rooms will be as in the layout project.
-18°C FROZEN ROOM DOORS
The door of the -18°C FROZEN room will have an inside opening mechanism.
-18°C Frozen room door will be lockable from outside.
-18°C Frozen room door clear passage dimensions are at least 90 x 200 cm. will be maximum 120 x 200 cm and with heater.
-18°C Frozen room door will be hinged slam type.
-18°C Frozen There will be PVC strip curtain on the door. Curtain mounting elements will be stainless steel, curtain will be UV resistant, 200/2mm, imported transparent and 50% overlapped.
-18°C Frozen Room door will be polyurethane injection with a density of 38-42 kg/m.
-18°C The door edges of the frozen room will be aluminum profiles and silicone-based cambered rubbers that fit into this profile.
-18°C Frozen room door surfaces will be RAL 9002 painted sheet metal.
-18°C The door thickness of the frozen room will be the same as the wall.
-18°C Frozen COOLING GROUP TECHNICAL SPECIFICATIONS
-18°C Frozen room devices will be split type.
Compressors in the -18°C Frozen Chiller group will be semi-hermetic double-stage.
-18°C The defrost system of the device belonging to the frozen room will be electrical and it will be capable of providing automatic and manual defrosting.
The compressor power used in the -18°C Frozen room device will be at least 10 hp and all auxiliary equipment will be of sufficient power.
The refrigerant used in the system will be R 404 A.
The electricity supply voltage will be 380 V / 50 Hz / Three-phase.
Device capacities will be determined according to -45°C / +45°C evaporation and condensation conditions.
The device condenser will be air cooled.
The device evaporator will be with forced circulation.
The condenser fan of the device will be of suitable diameter, 2 pieces, type asynchronous.
The condenser capacity of the device will be of suitable power.
The evaporator fan of the device will be of suitable diameter and at least 2 pieces.
The evaporator capacity of the device will be of the appropriate power and type .
The device will have a supply voltage control.
The device will have an electronic condenser fan speed regulator.
The device will have a high pressure automatic.
The device will have a low pressure automatic.
The manufacturer of the device will have ISO 9001 quality certificate.
The device will have a CE certificate.
The external cooling unitsshould have a sound insulation coating (preferably from the factory).
The metal casings of the external cooling units of the systems must be made of galvanized sheet against corrosion and rust and painted with rough oven paint.
External cooling units will be placed on these platforms by procuring a metal platform of suitable size, made of 80×100 mm metal profile and painted with anti-rust paint, to be implemented as in the project specified in the layout of the external cooling units of the systems, and if the floor on which the units will be placed is not flat. .
FUNCTIONS REQUESTED TO BE DONE THROUGH THE CONTROL PANEL IN
-18°C Frozen Room -18°C The frozen room device will have a programmable, digital and touch control panel.
Device startup will be encrypted and unauthorized interventions will be prevented.
Device in/out temperature values will be adjusted.
Room temperatures will be read over the return air.
There will be a separate sensor for the evaporator temperature so that the defrost temperature can be adjusted.
In addition, the time for the evaporator fans to be activated after defrost will be adjustable depending on the evaporator temperature.
Each chiller (main group and backup group) must be able to be operated independently of each other.
In case of failure of the main chiller, the backup chiller must be operable.
OTHER ISSUES
-18°C Frozen rooms and all equipment will be assembled to the places in the approved project and will be delivered in working condition.
The copper pipe installations between the indoor and outdoor units of the -18°C frozen room will be made by the COMPANY in accordance with its project.
The part of the drainage installations of the indoor units in the -18°C frozen room up to the outside of the room will be made by the COMPANY, and the pans and pipes will be electrically resistant. Adequate thermal insulation shall be made.
There will be LED lighting installations and fixtures suitable for cold room conditions in the -18°C frozen room.
-18°C The glass and open parts in the rooms where the frozen warehouses are planned to be built will be covered with brick walls and whitewashing will be done by the Company in accordance with the original building.
-18°C The work of breaking the wall in the middle of the room where the frozen room will be made will be done by the Company.
SAFETY
-18°C There will be an emergency push button inside the room and an audible and light warning system outside the room for being trapped in a frozen room and other emergencies that may occur.