© MHG Heating Ltd
56
MHG Heating Ltd Unit 4 Epsom Dow ns Metro Centre, Waterfield, Tadw orth, Surrey KT20 5LR
Telephone 01737 358000 Fax 08456 448803 Email
Web w w w .mhgheating.co.uk
010717
340
146 Collector pump Q16 missing
341
146 Sensor B6 missing
349
146 Buffer storage tank return valve Y15 missing
350
146 Buffer storage tank address error
351
146 Primary controller/system pump, address error
352
146 Pressure-less header, address error
353
146 Sensor B10 missing
371
209 Flow temperature heating circuit 3
372
209 Temperature limiter heating circuit 3
373
103 Extension module 3
374
169 Sitherm Pro calculation
375
169 BV stepper motor
376
169 Drift test limit value
377
169 Drift test prevented
378
151 Internal repetition
382
129 Repetition speed
384
151 Extraneous light
385
151 Mains under-voltage
386
129 Fan speed tolerance
387
129 Air pressure tolerance
388
146 DHW sensor no function
426
151 Feedback flue gas damper
427
152 Configuration flue gas damper
429
218 Dynamic water pressure too high
430
218 Dynamic water pressure too low
431
217 Sensor primary heat exchanger
432
151 Function earth not connected
433
216 Temperature primary heat exchanger too high