Installation Instructions

540-205
Installations Instructions
Rev. 2, 1/99
Siemens Building Technologies, Inc.
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Landis Division
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The Unit Vent Controller – 0-10V Output controls 24 Vac loads only. The maximum rating is 12 VA
for each DO. For higher VA requirements, 110 or 220 Vac requirements, separate transformers
used to power the load, or DC power requirements, use an interposing 220 V 4-relay module
(TEC Relay Module P/N 540-147).
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: Refer to the unit wiring diagrams or consult with the local representative if terminations are missing or are
different.
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ROOM TEMPERATURE SENSOR
LOW TEMPERATURE DETECTION THERMOSTAT (OPTIONAL)
OUTDOOR AIR DAMPER ACTUATOR
*** AUXILIARY RADIATION IS CONTROLLED
IN PARALLEL WITH THE HEATING COIL
FAN REQUIRES RELAY
SPARE AO
HEATING VALVE ACTUATOR ***
SPARE DOS SPARE DOS
DX COIL *
WALL SWITCH (OPTIONAL)
FAN **
DISCHARGE AIR TEMPERATURE SENSOR
TECUVE4BWDR2
24 V-AC
TX
RX
LAN
TRUNK
+ - S BST
RTS
DO 1
NO C
DO 2
NO C
DO 3
NO C
DO 4
NO C
DO 5
NO C
DO 6
NO C
DI 3
AI 3
DI 2
DI 4
AO 1
AO 2
AO 3
DO 7
NO C
DO 8
NO C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
C H
**
MAY REQUIRE POWER RELAY*
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
ROOM TEMPERATURE SENSOR
LOW TEMPERATURE DETECTION THERMOSTAT (OPTIONAL)
OUTDOOR AIR DAMPER ACTUATOR
** AUXILIARY RADIATION IS CONTROLLED
IN PARALLEL WITH THE HEATING COIL
FAN REQUIRES RELAY
COOLING VALVE ACTUATOR
HEATING VALVE ACTUATOR **
SPARE DOS
WALL SWITCH (OPTIONAL)
FAN *
DISCHARGE AIR TEMPERATURE SENSOR
TECUVE1BWDR2
24 V-AC
TX
RX
LAN
TRUNK
+ - S BST
RTS
DO 1
NO C
DO 2
NO C
DO 3
NO C
DO 4
NO C
DO 5
NO C
DO 6
NO C
DI 3
AI 3
DI 2
DI 4
AO 1
AO 2
AO 3
DO 7
NO C
DO 8
NO C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
C H
*
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2020
20.
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