Save time and money Service manual Danfoss ... - Danfoss.com
Save time and money Service manual Danfoss ... - Danfoss.com
Save time and money Service manual Danfoss ... - Danfoss.com
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Oil burner controls<br />
Oil burner controls<br />
BHO ➨ BHO<br />
Type Code no.<br />
Comments/<br />
accessories<br />
➨ Type Code no.<br />
BHO 61A 057H7031 ➨ BHO 73.10 057H6104<br />
BHO 61 057H7032 ➨ BHO 72.10 057H6102<br />
BHO 62 057H7034 ➨ BHO 72.10 057H6102<br />
BHO 62D 057H7035 ➨ BHO 72.10 057H6102<br />
BHO 61 057H7033 110 V ➨ No repl.<br />
BHO 64 057H7036 ➨ BHO 72.10 057H6102<br />
BHO 64A 057H7030 ➨ BHO 73.10 057H6104<br />
BHO 64.1 057H7037 ➨ BHO 72.11 057H6103<br />
Concerning controls of the BHO 60 series:<br />
Please note:<br />
If only the upper part is replaced, it must be ensured that the LD/LDS flame sensor is connected to the terminals 11 <strong>and</strong> 12 in the base part.<br />
Defective <strong>com</strong>ponents Replacement <strong>com</strong>ponents<br />
Comments/<br />
accessories<br />
Older oil burner controls BHO 70 series + photo unit<br />
BHO 60-Serie Only BHO 70<br />
Old LD/LDS<br />
057H002x +<br />
BHO 70 series + photo unit<br />
057H202x<br />
New LD/LDS<br />
Photo unit only<br />
057H70xx<br />
In burners without solenoid valve the motor must be connnected to the solenoid valve terminals so that instead of prepurge, only pre-ignition takes place.<br />
E.g. during maintenance work on the burner, if the oil burner control or photo unit shows defects it must be noted that there are different series of these <strong>com</strong>ponents.<br />
In some circumstances both <strong>com</strong>ponents must be replaced even though only one of them is defective. See table.<br />
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