Macurco GBC Manual
REV – 1.2
[34-2900-0690-7]
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Installation Instructions
The following instructions are intended to serve as a guideline for the use of the Macurco Gas Boiler Controller. It is
not to be considered all-inclusive, nor is it intended to replace the policy and procedures for each facility. If you have
any doubts about the applicability of the equipment to your situation, consult local authorities having jurisdiction or
call Technical Support at 844-325-3050.
3.1
Location & Mounting
The Macurco GBC enclosure has 6 mounting holes and is shipped with mounting screws. Install the mounting screws
on the four corners of the enclosure. The GBC should be mounted with sufficient space all round for access to
conduit entry holes on the top and bottom side of the unit. Mount the unit in an appropriate space to see and hear
the visual and audible notification and to easily access the reset button. The enclosure comes with one predrilled
3/4” conduit at the bottom center of enclosure (conduit fitting connector not included).
Note:
If additional entry holes are required, use caution when drilling new holes in the enclosure. Protect the
internal components to prevent damage while drilling.
Figure 3-1 – Internal View
Summary of Contents for GBC-2-24
Page 6: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 6 P a g e Figure 3 2 Enclosure Dimensions...
Page 7: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 7 P a g e Figure 3 3 Mounting dimensions...
Page 11: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 11 P a g e Figure 3 6 Single Sensor Channel Wiring...
Page 12: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 12 P a g e Figure 3 7 Dual Sensor Channel Wiring...
Page 16: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 16 P a g e Figure 4 3 Relay Designation...