Viessmann FDVS-4, Installation Instructions Manual

Page 1: ...lcove installation Boiler Model VR1 22 27 33 Rear Sides Flue Top inches mm inches mm inches mm inches mm 6 150 0 0 1 25 6 150 6 150 0 0 1 25 6 150 6 150 0 0 1 25 6 150 Floor Combustibles 24 with Vitotronic control The insulated oil direct vent system is rated for a 1 clearance to combustibles Advise owner to keep direct vent termination and air intake free of debris snow and ice NOTE Surface disco...

Page 2: ...g system when using the flexible insulated stainless steel oil vent The direct vent kit includes a VRV 4 vacuum relief valve which must be installed in the air intake pipe as close as possible to the burner when using a Beckett burner see Fig 1 The direct vent kit includes a Viessmann specific stainless steel boiler to vent transition adaptor Do not install the regular galvanized vent pipe adaptor...

Page 3: ... a constant 120 VAC power source supplied to the BLACK wire on the control see wiring diagram on following page 1 The cover mounting plate is not a conduit connection point Pass conduit and attached connector through the front opening in the mounting plate or through one of the knockouts on either side of the cover and attach it directly to the burner mounted 4x4 electrical junction box Room therm...

Page 4: ...ass 1 If original wire as supplied with boiler must be replaced type 105 C wire or equivalent must be used Supply wiring to boiler and additional control wiring must be 14 ga or heavier Provide electrical ground at boiler as required by codes Burner wiring harness supplied Fig 3 5351 050 v2 5 Electric shock hazard Can cause severe personal injury or loss of life if power source including service s...

Page 5: ...h limit control see wiring diagram below Fig 4 Legend Oil solenoid valve Ignition transformer Burner motor CAD cell flame detector Burner grounding screw R7184 Series primary control with post purge factory default setting 30 sec can be field adjusted see Beckett burner manual Factory installed jumper 5351 050 v2 5 Electric shock hazard Can cause severe personal injury or loss of life if power sou...

Page 6: ... cut off must be provided as required by local codes Connect incoming line voltage HOT L1 wire to terminal L1 and N to terminal L2 of the Honeywell high limit control see wiring diagram below Fig 5 5351 050 v2 5 Electric shock hazard Can cause severe personal injury or loss of life if power source including service switch on boiler is not disconnected before installing or servicing WARNING Ensure ...

Page 7: ...r off delay post purge factory default settings can be field adjusted requires a constant 120 VAC power source supplied to the BLACK wire on the control see wiring diagram on page 9 1 The cover mounting plate is not a conduit connection point Pass conduit and attached connector through the front opening in the mounting plate or through one of the knockouts on either side of the cover and attach it...

Page 8: ... wall away from influences of drafts hot or cold water pipes lighting fixtures television sun rays or fireplaces 2 Follow instructions supplied with room thermostat If it has a heat anticipator set heat anticipator in thermostat to match power requirements of equipment connected to it Boiler wiring diagrams give setting for standard equipment 5351 050 v2 5 ...

Page 9: ... control wiring must be 14 ga or heavier Provide electrical ground at boiler as required by codes 5351 050 v2 5 Electric shock hazard Can cause severe personal injury or loss of life if power source including service switch on boiler is not disconnected before installing or servicing WARNING Jumper RED Viessmann 41 plug control connection BL O BK W G R B4 S3 T2 T1 N G L1 18 Blue Closed end connect...

Page 10: ...ing service switch on boiler is not disconnected before installing or servicing WARNING Blue and orange wires not used in this application DO NOT cut or remove closed end connector from the wires 120 VAC power supply installer must provide 15A overcurrent protection Main ON OFF switch field supplied Low water cut off if required field supplied G L1 T1 T2 N S3 B4 BK W G R Y Y O BL W V BK R BL O T T...

Page 11: ... supplied with boiler must be replaced type 105 C wire or equivalent must be used Supply wiring to boiler and additional control wiring must be 14 ga or heavier Provide electrical ground at boiler as required by codes 5351 050 v2 5 Electric shock hazard Can cause severe personal injury or loss of life if power source including service switch on boiler is not disconnected before installing or servi...

Page 12: ... harness see wiring diagram on page 12 Cable strap supplied Honeywell high limit control Burner wiring 1 Secure control harness using 2 supplied cable straps Room thermostat wiring 1 Install thermostat on inside wall away from influences of drafts hot or cold water pipes lighting fixtures television sun rays or fireplaces 2 Follow instructions supplied with room thermostat If it has a heat anticip...

Page 13: ...105 C wire or equivalent must be used Supply wiring to boiler and additional control wiring must be 14 ga or heavier Provide electrical ground at boiler as required by codes Burner wiring harness supplied Fig 11 If Beckett burner is being installed cut this length to 6 for connection to burner junction box located under the burner primary control 5351 050 v2 5 Electric shock hazard Can cause sever...

Page 14: ...nect incoming line voltage HOT L1 wire to terminal L1 and N to terminal L2 of the Honeywell high limit control see wiring diagram below Post purge timer setting in conjunction with Honeywell Aquastat Model L7248C1006 If Err4 fault occurs set post purge timer to a maximum of 45 seconds Exceeding 45 seconds may lead to LED error code Err4 on the older version of the Honeywell Aquastat 5351 050 v2 5 ...

Page 15: ...ostat wiring 1 Install thermostat on inside wall away from influences of drafts hot or cold water pipes lighting fixtures television sun rays or fireplaces 2 Follow instructions supplied with room thermostat If it has a heat anticipator set heat anticipator in thermostat to match power requirements of equipment connected to it Boiler wiring diagrams give setting for standard equipment Electrical c...

Page 16: ...at boiler as required by codes 5351 050 v2 5 Electric shock hazard Can cause severe personal injury or loss of life if power source including service switch on boiler is not disconnected before installing or servicing WARNING Jumper RED Viessmann 41 plug control connection BL O BK W G R B4 S3 T2 T1 N G L1 18 Blue Closed end connectors are factory installed on RED ORANGE and BLUE wires These RED OR...

Page 17: ...BR W W BK R GY W BL BK Air pressure switch R R NC NO G L1 T1 T2 N S3 B4 BL O G BRN BL W W O BK R G Riello burner sub base Factory installed jumper R G W BK BL O 41 1 2 41 1 2 2 Blue wire not used in this application DO NOT cut or remove closed end connector from the wire Power supply Provide disconnect means and overload protection as required Control case must be connected to earth ground 120 VAC...

Page 18: ... n a Oil nozzle Delavan 0 50x60 B n a 0 75x60 A W Hago 0 50x60 B 0 60x60 B n a Oil nozzle flow rate GPH psig 0 65 190 0 75 175 1 00 175 Air tube length inches mm 7 178 7 178 7 178 Air tube insertion inches mm 3 83 3 83 35 8 92 Air tube combination NX70LP NX70LP NX70LJ Head type 6 slot 6 slot 9 slot Head setting 2 00 2 50 3 25 Air setting see head setting Static plate n a Baffle n a Fuel pump 21844...

Page 19: ...65 175 0 75 175 1 00 140 Air tube length inches mm 7 178 7 178 65 16 160 Air tube insertion inches mm 45 8 118 45 8 118 4 108 Turbulator setting 0 0 1 0 1 0 Air gate setting 3 7 5 0 4 0 1 For VR1 27 boiler replace installed nozzle with nozzle packaged with Riello burner 2 Factory installed nozzle 3 Nozzles must be installed by installer Note Riello oil burners are factory set for Vitorond 100 VR1 ...

Page 20: ...20 5351 050 v2 5 Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper 5351 050 v2 5 ...