Johnson & Starley JANSTAR Manual, Installation, Commissioning & Servicing Instructions

3, ZZ757/9 3 5.1.2 The return air system should be constructed of fire-resistant material. It is extremely important that the correct size of return air grilles and ducting is used. The return air duct size should be NOT LESS THAN 225mm x 200mm (9in x 8in). If flexible duct is used, the duct diame…

11, ZZ757/9 4 6.2.9 The flue/air duct spigot on the appliance is female. For horizontal flued appliances, the flue/air duct should be constructed that such that condensate cannot leak from the joints. Therefore, on vertical runs, all female ends should face away from the appliance, and on …

2, Installation shall be in accordance with the current editions of:- Building Standards (Scotland) (Consolidation) Regulations Building Regulations Gas Safety (Installation and Use) Regulations (as amended) BS7671 Institute of Electrical Engineers (IEE.) Wiring Regulations BS6891 Installation of…

4, Johnson & Starley JANSTAR ZZ757/9 4 6.2.9 The flue/air duct spigot on the appliance is female. For horizontal flued appliances, the flue/air duct should be constructed that such that condensate cannot leak from the joints. Therefore, on vertical runs, all female ends should face away from the appliance, and on horizontal run…

8, ZZ757/9 ZZ757/9 8 9.2 MULTIFUNCTIONAL CONTROL REMOVAL: 9.2.1 Ensure that the gas and electrical supplies are switched off. 9.2.2 Remove the heater front cover. 9.2.3 Remove the 2 x screws securing the heater front door, and the open front door. 9.2.4 Remove the central securing screws and disconnect…

5, ZZ757/9 5 6.3 CONDENSATE 6.3.1 When firing at low rate, the unit will produce condensate which must be drained away. A JDT1 kit, which externally drains the condensate away from the flue terminal is available for horizontal flued applications. Vertical flued applications require the fitme…