
Page 2 • DRI-STEEM Vapor-logic3 to Vapor-logic4 Adaptor Board Installation Manual
Parts
Make sure all parts listed below are included in the Vapor-logic3 to
Vapor-logic4 upgrade kit you received.
Table 2-1:
Vapor-logic3 (VL3) to Vapor-logic4 (VL4) adaptor board kits
Part No. 183503-001
CRUV
®
, GTS
®
04 indoor, GTS99 indoor, GTS99 outdoor, Humidi-tech
®
, STS
®
,
Vapormist
®
, and Vaporstream
®
No. Description Qty.
1 VL3 to VL4 adaptor board 1
2 Mounting stand-off* for adaptor board 6
3 VL4 keypad/display 1
4 Molex
®
plug (installed on adaptor board) 2
5 Jumper for configuring safety alarms 1
6 Field conversion label** 1
7 Ferrite core (required for Humidi-tech humidifier) 1
Part No. 183503-002
GTS04 outdoor with 46.5" (1180 mm) enclosure door height
(before March 2007)
No. Description Qty.
1 VL3 to VL4 adaptor board 1
2 Mounting stand-off* for adaptor board 6
3 VL4 keypad/display, fan, and bracket 1
4 Molex
®
plug (installed on adaptor board) 2
5 Jumper for configuring safety alarms 1
6 Outdoor enclosure replacement door 1
7 Field conversion label** 1
Part No. 183503-003
GTS04 outdoor with 51" (1295 mm) enclosure door height
(March 2007 and later)
No. Description Qty.
1 VL3 to VL4 adaptor board 1
2 Mounting stand-off* for adaptor board 6
3 VL4 keypad/display, fan, and bracket 1
4 Molex
®
plug (installed on adaptor board) 2
5 Jumper for configuring safety alarms 1
6 Outdoor enclosure replacement door 1
7 Field conversion label** 1
* For extra stand-offs, order Part No. 409595.
** For extra labels, order Part No. 800076.
Figure 2-1:
Matching pin numbers on board and
terminal block
Before beginning the upgrade
Do not disconnect wires
Do not disconnect wires from terminal blocks.
Terminal blocks connect to pin locations with
matching pin numbers (see Figure 2-1). Match
numbers to avoid reversing terminal blocks.
Before disconnecting power
• Verify that the humidifier is operating
correctly; check the Vapor-logic3 display
for alarms and messages.
• Write down the Vapor-logic3 configuration
string. This may help during start-up
and commissioning after upgrading
to Vapor-logic4. See the
Vapor-logic3
Installation and Operation manual
for
details on how to obtain the configuration
string.
• If upgrading an outdoor GTS, verify that
the new enclosure door is the same height
as the old door.
Before beginning the upgrade
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