Servicing
5
54
Installation and maintenance instructions for wall-mounted condensing gas boiler 600 - 28C • 01/2004
Subject to modifications resulting from technical improvements!
Boulter Buderus Ltd. • http://www.boulter-boilers.com
z
Check each sensor's cable by measuring its resistance
(see fig. 81, fig. 82, fig. 83 and fig. 83).
fig. 80 Measure resistance of hot water heat retaining sensor
fig. 81 Measure resistance of bi-sensor
Pin
1
28 55
Pin
81
Pin
16
Pin
1
KIM
81 pin connector laagspanning
16 pin connector hoogspanning
fig. 82 Measure resistance of return sensor
Pin
1
28 55
Pin
81
Pin
16
Pin
1
KIM
81 pin connector laagspanning
16 pin connector hoogspanning
