BASO L62GB - Manual (Page 4)

4 L62GB BASO Safety Shutoff Device Installation Instructions
When necessary, replace the safety shutoff device as
follows:
1. Turn off power to the appliance.
2. Close the main manual shutoff valve and the pilot
valve.
3. Disconnect the thermocouple lead from the safety
shutoff device.
4. Remove the cover from the old safety shutoff
device (not the brass hex nut).
5. Disconnect and label the wires from the two wire
terminals and remove the device from the
appliance.
6. Remove the new L62GB cover by loosening the
screw on the front of the device (not the brass hex
nut).
Note: The L62GB may be mounted in any position
by the mounting holes in the back of the case or by
using the universal mounting plate supplied with the
device.
7. Attach the universal mounting plate to the device
when required (see Figure 3). Secure the
mounting plate to the switch case with the sheet
metal screws provided. The mounting plate is not
required for exact replacements.
1
2
4
5
3
Universal
Mounting Plate
BASO
Power Unit
Terminal
Wire Terminals
L62GB-3
Cover
Do not loosen brass hex nut.
Must be tight to maintain continuity.
Figure 3: L62GB-3 Mounting
8. Mount the L62GB-3 using the holes in the
universal mounting plate that match the mounting
holes for the device being replaced (see Table 3).
Table 3: Mounting Guide
Switch Being Replaced Use Holes Numbered
PENN® (BASO) L62EA 1, 2, 3
PENN (BASO) L62GB-1 Plate Not Required
Honeywell® C591A 4, 5
ITT/General A100G653 4, 5
Note: Remove the L62GB cover for access to Holes 3
and 5.
9. Refer to Steps 5 through 8 in the Installation
section to complete the installation.
10. Perform the Checkout procedure before leaving
the installation.