Page 20 • DRI-STEEM Vapor-logic3 to Vapor-logic4 Adaptor Board Installation Manual
Form No. VL3-VL4-Convert-0511
Part No. 890000-720 Rev D
DRI-STEEM Corporation
An ISO 9001:2000 certified company
U.S. Headquarters:
14949 Technology Drive
Eden Prairie, MN 55344
800-328-4447 or 952-949-2415
952-229-3200 (fax)
European office:
Marc Briers
Grote Hellekensstraat 54 b
B-3520 Zonhoven
Belgium
+3211823595 (voice)
+3211817948 (fax)
Continuous product improvement is a policy of
DRI-STEEM Corporation; therefore, product features and
specifications are subject to change without notice.
DRI-STEEM, GTS, Vapor-logic, Vapormist, and Vaporstream,
are registered trademarks of DRI-STEEM Corporation and
are filed for trademark registration in Canada and the
European community.
Drane-kooler is a trademark of DRI-STEEM Corporation.
Product and corporate names used in this document may
be trademarks or registered trademarks. They are used for
explanation only without intent to infringe.
© 2011 DRI-STEEM Corporation
For more information
www.dristeem.com
For the most recent production information
visit our Web site:
www.dristeem.com
DRI-STEEM products are warranted according to the terms and conditions of the standard
two-year Limited Warranty effective when the humidifier was purchased. See the literature
that was shipped with the humidifier for warranty information.
mc_081308_1405
Table 20-1
Vapor-logic4 adaptor board pin descriptions
Pin # Function
1, 2
Fill valve
3, 4 Drain valve
5, 6 Power vent (GTS), contactor (electrics)
7, 8 SDU / Area-type fan terminals
9 Fault Relay, N.C.
10 24 Vac, 1 amp max, COM
11 Connected by others, N.O.
12 Air flow switch input
13 Measure 24 Vac when opened
GTS: Pages 8 & 9
Electrics: Pages 14 & 15
STS: Page 18
Safety circuit
16, 17 24 Vac input, not used
18 +21V dc, supply
19, 20 Tank temp sensor input
21 +21V dc, supply
22 RH / demand input
23 Common
24, 25, 26
On-off or modulating Duct High Limit
(see Step 13 on Page 5).
27 +21V dc, supply
28 Temp comp input
29 Common
30 Top probe
31 Center probe
32 Bottom probe
33 Ground
34
Pos analog output 0-15V dc, SSR, steam
valve
35 Common
P21A, P21B LonTalk (see Table 16-1)
Vapor-logic4 adaptor board
pin descriptions
(24 Seiten)
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