Installation | 3-39
1. Open the access door below the display module (hinges down).
2. Pull on the handle of the power supply/keypad module and remove
this module from the control unit (it slides out). Note that the power
supply/keypad module must be removed before you can remove the
display module.
3. Pull on the display module handle to then pull out the display module.
4. Reverse these steps to reinstall the display module or power supply/
keypad module.
Should you need to replace fuse F1 on the display module, it is a Littlefuse
type 273 microfuse or equivalent, voltage rating: 125V AC, ampere rating:
50 mA.
Should you need to replace Fuse F1 on the wiring card, it is a Littlefuse
type 273 microfuse or equivalent, voltage rating 125V AC, ampere rating:
250 mA.
Adding an Option Card
Do the following to add an option card to the Series 2000 control unit (this
includes the auto calibration card or the combustibles card):
1. Open the access door below the display module (hinges down).
2. Pull on the handle of the power supply/keypad module and remove
this module from the control unit (it slides out).
3. Insert the option card into any of the three available slots underneath
the display module. Make sure the card is properly seated by pressing
on both sides firmly. If the card is not properly seated, the access door
may not close.
4. Reinstall the power supply/keypad module.
Removing an Option Card
Do the following to remove an option card:
1. Remove the power supply/keypad module.
2. Pull with your left hand on the left of the option card while pulling on
the ejector lever on the right of the option card with your right hand
to remove the option card. The ejector will help apply extra force to
make is easier to release the card.
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