mercor mcr LAM, Operation And Maintenance Manual

Page 1: ...Nr dok HO 21 01028 rew A Status Wydany OPERATION AND MAINTENANCE MANUAL mcr LAM louvered smoke vents mcr LAM louvers for daily ventilation ...

Page 2: ... 4 4 Shipment and delivery 5 5 Installation 6 6 Roof installation examples 7 7 Wall installation examples 8 8 Limit switches 10 9 Control 11 9 1 Pneumatic control 11 9 2 Electric control 13 9 3 Use of louvered smoke vents for daily ventilation 14 10 Maintenance and inspections 18 11 Warranty terms and conditions 18 12 Certificate of confirmity 20 ...

Page 3: ... 20 IMPORTANT For safety reasons the thermal release valve in pneumatically actuated units is not enabled at the factory Do not use the unit without prior enabling the thermal release valve Enable the thermal release valve and screw in the CO2 bottle Sec 9 1 ...

Page 4: ... both for smoke exhaust and natural ventilation and can be installed on the building roof to admit natural light After deciding to provide the smoke vents in the premises the Owner can enjoy the following benefits lowered hazard class of the building increased maximum fire zone area increased maximum permitted length of escape routes mcr LAM louvered vents comply with the requirements of EN 12101 ...

Page 5: ...es in the case od smoke vents or remotely by an MCR smoke control panel or fire alarm control panel Figure 1 mcr LAM louvered vent 4 1 2 3 5 4 Shipment and delivery mcr LAM louvered vents are supplied factory assembled except for additional external flashings higher base assembles etc which if required come separately The roof curbs i e additional base assemblies always come separately The reason ...

Page 6: ... parallel to the roof ridge tilt up to open configuration Figure 3 Recommended spatial orientation of mcr LAM vent in relation to the roof ridge Kalenica spadek dachu 45 deg Kalenica spadek dachu 45 deg mcr LAM louvered vents can be mounted on steel concrete or timber roofs The additional lower part of base the roof curb features a ledge at its bottom to support and secure the vent to the supporti...

Page 7: ...nt 2 Concrete curb 3 Concrete curb insulation 4 Waterproofing barrier Figure 4 Mounting position of mcr LAM vent installed in a wall 2 1 The vent bases are designed for trimming with roofing paper or PCV roofing membrane or roofing sheet metal 6 Roof installation examples Figure 5 mcr LAM vent mounted on a concrete base ...

Page 8: ...cr LAM vent 2 Roof curb 3 Thermal insulation 4 Steel roof frame 5 Sheet metal decking 6 Waterproofing barrier Figure 6 mcr LAM vent installed on a panel roofing system Figure 7 mcr LAM vent c w roof curb mounted on steel structure 7 Wall installation examples Figure 8 mcr LAM vent mounted in a wall 1 mcr LAM vent 2 Rain shield MERCOR product supplied as an option 3 Wall or facade 4 Support angle ...

Page 9: ...uate to the wall type 4 0 4 5 mm in diameter For fixing the shields to the wall use the pre drilled mounting holes The gap between the rain shields and the wall should be filled with the supplied PES 5x20 gasket or butyl tape or a silicone sealant With the rain shield in place the assembly is not as yet weatherproof To make it fully weatherproof the joint between the base and the wall surface must...

Page 10: ...AM vent can be fitted with limit switches to indicate fully open position fully open position or any mid position fully open fully closed or any mid position Fully open position is indicated by COMEPI AP3T71W20 limit switch Figure 10 COMEPI AP3T71W20 Fully open closed or any mid position is indicated by COMEPI AP3T38W20 limit switch ...

Page 11: ...rent set of components pneumatic electric 9 1 Pneumatic control Depending on the system configuration it may be necessary to connect additional pneumatic lines to the vent e g copper steel tube connecting to the alarm box including bottles Threaded connections of pipe unions with valves actuators etc area sealed by applying appropriate chemical agents such as Loctite 243 recommended or PTFE thread...

Page 12: ...spring of the puncture assembly 1 is unscrewed and if not unscrew it by hand until it would not turn any more fit the thermo bulb 2 in the gas flow regulator with the pointed tip towards the body tighten the bulb press screw by hand insert the valve slider 4 manually tighten the piercing assembly spring by turning the tension screw 1 until it would not turn any more check if the piercing needle is...

Page 13: ... the alarm box 6 The thermal fuse thermo bulb should be replaced if needed 2 Closing of vents fitted with a pneumatic actuator and a gas spring after emergency opening for systems without remote closing function 1 Release CO2 unscrew the bottle from the thermal release valve or alarm box Warning 1 high pressure unscrew slowly Warning 2 the CO2 bottle may frost over 2 Move the ventilation box valve...

Page 14: ...uators which open the vent to let the smoke out In order to enable using the mcr LAM louvered vents w pneumatic actuators for daily ventilation the pneumatic system must be provided with ventilation boxes with a double pipe priority valve such as VVAZ for smoke vents opened by alarm boxes and the vent must be fitted with a TAVZ thermal release valve except for the vents equipped with a pneumatic a...

Page 15: ...tion of mcr LAM louvered vent fitted with a pneumatic actuator type control C2 with the alarm and ventilation boxes 3 2 1 4 1 mcr LAM vent fitted with a pneumatic actuator 2 TAVZ thermal release valve fitted in the actuator 3 AK series alarm box 4 Ventilation box with a priority valve such as LUK2 or PLZ ...

Page 16: ...a pneumatic actuator type control C1 and gas spring with alarm and ventilation boxes 2 1 3 1 mcr LAM vent with a pneumatic actuator and gas spring 2 TAVZ thermal release valve fitted in the vent 3 AK series alarm box 4 Ventilation box with a priority valve such as LUK2 or PLZ 1 mcr LAM vent fitted with a pneumatic actuator and gas spring 2 TAVZ thermal release valve fitted in the vent 3 Ventilatio...

Page 17: ...on of mcr LAM vent fitted with 24 V electric actuator type control E1 to enable its use for daily ventilation 3 2 5 4 1 A control unit with integrated wind rain module is recommended such as MCRP054 in order to close the vents during strong wind or rain thus protecting the property and the vents from damage The control unit must be connected according to the wiring diagram included in the Operatio...

Page 18: ... may condensate inside the cells of polycarbonate panels A mist forms in most cases and clearly seen drops can also appear if humidity is really high Subject to ensuring diffusion of air between the cells and the outside environment the levels of humidity will equalise and the above described visual effects should disappear Condensation of water vapour does not compromise the service life of the m...

Page 19: ... liable to natural wear and tear during operation e g seals unless a manufacturing fault has occurred damages due to aggressive external factors especially chemical and biological ones ingress of dust particles or solids with the effective grain size below 50 μm into the polycarbonate sheet chambers condensation in the polycarbonate sheet chambers 7 Each defect under guarantee should be reported t...

Page 20: ...OPERATION AND MAINTENANCE MANUAL mcr LAM vents Page 20 of 20 12 Certificate of conformity ...