Страница 1: ...Flexiflame280 420WT Installation Maintenance and Operating Instructions The installation of these boilers must be carried out by a competent person...
Страница 2: ...Fitted on Flexiflame 280 supplied separate with the Flexiflame 420 DESCRIPTION Fig 1 Please note If side panels are required to complete an installation please consult installation instructions sectio...
Страница 3: ...of less than 20 oC Figures 3 and 4 show a typical boiler arrangement and a schematic layout of a single boiler The Flexiflame 280 420 boilers must only be used with indirect fully pumped systems The...
Страница 4: ...boilers are delivered fully assembled in wooden crates The draught diverter is packed separately in the Flexifla me 420 The delivered weights are 113 kg 280 155 kg 420 Remove the wooden crate and any...
Страница 5: ...to be controlled in sequence by the boiler thermostats the following table details the inter vals between thermostat settings for various design tem perature drops around the system N of Interval betw...
Страница 6: ...1 Remove the burner as in 15 3 Drain down the module Remove right and left hand tubes from heat exchanger Remove top two front plate screws and four rear retaining screws and lift out heat exchanger...
Страница 7: ...4 Water section sticking open 5 Gas valve sticking open 6 Dirt swarfon gasvalve facing 7 Resistanceto water flow 8 Pump noise or vibrating 9 Heat exchanger partially blocked 1 Over gassed 2 Dirty burn...
Страница 8: ...aulics The maximum number of boilers that can be installed in series dependent upon the maximum mass flow capacity of the monotube The following tables detail the total monotube resistance for install...
