DriSteem Vapor-logic3 Manual de instalación descargar pdf (Pagina 5)

DRI-STEEM Vapor-logic3 to Vapor-logic4 Adaptor Board Installation Manual • Page 3

Figure 3-1:

GTS subpanel

VL3 main board* VL3 GTS expansion boards*

Top wire channelRibbon cables*

Keypad/display

cable

Not re-used

Removing Vapor-logic3, installing Vapor-logic4

1. If upgrading an outdoor GTS®, complete Steps 1 through 3 in “GTS

with outdoor enclosure” on Page 6 before proceeding.

2. Remove GTS control access panel to access the subpanel, shown in

Figure 3-1.

3. Disconnect Vapor-logic3 keypad/display cable and ribbon cables

from Vapor-logic3 main board and expansion board(s). Ribbon

cables will not be re-used.

4. Torque all terminal block screws to 2.5 in-lb (0.28 N·m) to prevent

wires from pulling loose in Step 5.

5. Mark location of Vapor-logic3 main board on subpanel by making

corner marks on subpanel with felt-tipped marker.

6. Use pliers to pull terminal blocks from Vapor-logic3 main board.

Unscrew stand-offs, and remove board and stand-offs (they will not

be re-used).

7. Leaving adhesive backing paper on the six nylon stand-offs

packaged with Vapor-logic4 adaptor board, push stand-offs into

adaptor board mounting holes, as shown in Figure 3-2.

WARNING

Shut down humidifier

Before performing any maintenance or

service procedures, shut off all electrical

power to humidiﬁer using ﬁeld-installed

fused disconnect, lock all power

disconnect switches in OFF position, and

close the gas shut-off valve.

GTS humidifiers:

Board removal and replacement

Figure 3-2:

VL4 adaptor board stand-offs

Bottom of VL4 adaptor board shown

Stand-off

1 2 3 4 5 6 7 8 9 10 ... 21 22

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DriSteem Vapor-logic3 Manual de instalación Pagina 5