Suggested Repair Parts
This control panel contains few field serviceable parts. However, the battery and fuses are
replaceable in the field. While an open fuse may indicate problems with the circuitry, fuses
may also open because of power surges or ventilation component failure. Brasch
recommends that the following parts be available for replacement.
Qty
Description
Location
Part
Number
1
Lithium Battery, CR1220, 3 V
RTC Battery
CR1220
4
Fuse, TR5, time-lag, 5.0 A, 250 VAC
Relay Fuses
TR5-5.0
1
Fuse, TR5, time-lag, 1.0 A, 250 VAC
Relay Board Main Fuse
TR5-1.0
1
Fuse, TR5, time-lag, 0.250 A, 250 VAC
Sensor Board Negative Fuse TR5-0.250
1
Fuse, TR5, time-lag, 1.0 A, 250 VAC
Sensor Board Positive Fuse
TR5-1.0
IOM03
Rev 1.1 – May 18, 2021
43