Viessmann VH3, Installation And Service Instructions For Contractors

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152
Plug
no. Designation Cable type Number
of cores
Cable cross-
section
in mm
2
Length
in m
Standard Alternative
235 Light barrier, screw conveyor, trans-
mitter Li9Y11Y-HF – 4 0.34 10
239 Limit switch, screw conveyor H03VV F H03RN F 2 0.75 5.3
Discharge area
218 Discharge, motor H05VV F G H05RN F G 4 1.50 6.5
244 Thermal contact, motor H03VV F H03RN F 2 0.75 6.5
204 Limit switch, discharge H03VV F H03RN F 2 0.75 6.3
Pellet hopper fill level area
248 Pellet hopper fill level Li9Y11Y-HF – 3 0.34 7
External area
210 Power exported H05VV F G H05RN F G 5 2.50 –
181 Cylinder valve H05VV F H05RN F 3 0.75 –
241 Silo door limit switch H03VV F H03RN F 2 0.75 –
245 Thermal contact, vacuum system H03VV F H03RN F 2 0.75 –
246 Fault message, external charging H03VV F H03RN F 2 0.75 –
251 Overfill protection, pellet suction
shoe Li9Y11Y-HF – 3 0.34 6.5
250 Limit switch, pellet changeover unit H03VV F H03RN F 4 0.75
215 Motor, room discharge H05VV F G H05RN F G 3 0.75 6.5
214 Suction turbine H05VV F G H05RN F G 3 0.75 –
222 Demand, external charging H03VV F H03RN F 2 0.75 –
219 Operating message H03VV F H03RN F 2 0.75 –
270 External demand H03VV F H03RN F 2 0.75 –
280 Default output H03VV F H03RN F 2 0.75 –
281 Output H03VV F H03RN F 2 0.75 –
152 Water pressure H03VV F G H03RN F G 3 0.75 –
153 Water shortage H03VV F G H03RN F G 3 0.75 –
50A Central fault message H03VV F H03RN F 3 0.75 –
79 Enable additional heat generator H03VV F G H03RN F G 3 0.75 –
CAN CAN bus LiYCY – 2x2 0.34 –
145 KM-BUS LiYCY – 2 0.34 –
1 Weather sensor H03VV F H03RN F 2 0.75 –
9 Buffer temperature sensors H03VV F H03RN F 6 0.75 –
301 Sensor H03VV F H03RN F 2 0.75 –
302 Sensor H03VV F H03RN F 2 0.75 –
303 Sensor H03VV F H03RN F 2 0.75 –
304 Sensor H03VV F H03RN F 2 0.75 –
380 Pump signal H03VV F H03RN F 2 0.75 –
310 Pump motor H05VV F G H05RN F G 3 0.75 –
320 Pump motor H05VV F G H05RN F G 3 0.75 –
330 Pump motor H05VV F G H05RN F G 3 0.75 –
311 Valve H05VV F G H05RN F G 4 0.75 –
321 Valve H05VV F G H05RN F G 4 0.75 –
331 Valve H05VV F G H05RN F G 4 0.75 –
Connection and wiring diagram
Electrical installation
(cont.)
5679249
Appendix