38
UK
CAMMA V (2 Stage)
CAMMA IV (1 Stage)
CAMMA II-III (MV1-MV2)
Adjusting screws
GEARED MOTOR CONTROLLING AIR DELIVERY (ECO 15/2-ECO 20/2)
The geared motor limit switch and auxiliary contacts are triggered by easily accessible
adjustable cams, which can be set against o graduated scale.
SETTING THE CONTACT TRIGGERING POINT
General information:
CAM V (2 Stufe) - Cam controlling air valve fully open position (maz. firing rate with
both stages in operation).
CAM IV (1 Stufe) - Cam controlling minimum air flow condition (min. firing rate 1st
stage
only in operation).
CAM II-III (MV1-MV2) - Auxiliari cam activating the 2nd stage valve.
RECOMMENDATIONS TO PROPERLY SET THE GEARED MOTOR
The geared motor is set upon testing as follows:
CAM V (2 Stufe) : is set on approx 90°-120°
CAM IV (1 Stufe) : is set on approx 25°÷50°.
CAM II-III (MV1-MV2): is set in such a way that the 2nd stage valve opens when the air
shut-off valve is at 60°÷80°.
Changes to this calibration during installation are legible even when the burner is in
operation by acting on the adjusting screws of the cams.
Tightening the screws increases the angle and positioning of the cams.
Summary of Contents for ECO 8
Page 2: ......
Page 105: ...105 RU a...
Page 106: ...106 RU b c d CO2 CO2 CO2...
Page 107: ...107 RU 3 Lamborghini Calor S p A 24 24 10...
Page 111: ...111 RU 2 4 3 4 5 1 A B C D B 60...
Page 113: ...113 RU 15 3 10 13 15 10 10 2 1 18 2 2 ECO 8 ECO 10 ECO 15 ECO 20 ECO 15 2 ECO 20 2 t1 t2 t3...
Page 115: ...115 RU LMO 14 16 7 ECO 15 ECO 20 CO F FR IG LS M MB TA TC TR TS VE 230 50...
Page 119: ...119 RU 10 O 13 12 10 16 13 12...
Page 120: ...120 RU LMO on 5 3 3 LMO 2 3 4 5 6 7 8 9 10...
Page 122: ...122 RU 23 22 32 14 34...
Page 123: ...123 RU a b a b c a b c a b a b a b c b c b b...