Installation Instructions

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Document No. 540-201

August 31, 2007

TEC Plug-in Relay Module

Siemens Building Technologies, Inc. Page 1 of 6

Product Description

The TEC Plug-in Relay Module (called relay module

in these instructions) plugs directly (or remotely with

a Remote Mount Kit) into the Terminal Equipment

Controller (TEC) to provide relay isolation for at least

four digital outputs (DOs). (Part Number 550-048

provides isolation for up to six DOs. See Table 1.)

Per NEC and local codes, voltages up to 230 Vac

and 4 amps can be switched. For remote

installations, a TEC Plug-in Relay Module Remote

Mount Kit is required in addition to the relay module.

See Table 1.

A relay module must be used if the:

• TEC’s digital output (DO) is required by a

specific manufacturer to be inverted and

used to drive electric heating coils. (Specific

wiring requirements can differ depending on

the manufacturer; consult with the local

Siemens Building Technologies

representative if in doubt.)

• Controlled load is greater than 12 VA.

• Controlled load is greater than 24 Vac.

• Controlled load is DC.

• Controlled load is powered from a

transformer that is separate from the

transformer used to power the TEC.

• Controlled load is suspected of creating

electromagnetic interference or noise in the

control signal.

Shipping carton includes a printed circuit assembly

in a static proof bag, a ground wire, and a high-

voltage warning sticker. The Remote Mount Kit

includes a mounting rail, self-tapping screws, and a

cable assembly.

NOTE: The Remote Mount Kit does not come

with a grounding wire. For remote

installations, the ground wire that comes

with the relay module must be used.

Product Numbers

Table 1. Relay Module and Controller Combinations.

Plug-in Relay

Module

Remote

Mount Kit

Controller Switched DOs

TEC 540–xxx*

Numbers

Example

550-054 550-058

Short Platform — 16-

position terminal block

3, 4, 5, 6

Refer to

Figure 4

550-054 550-058

Short Platform — 16-

position terminal block, as

part of the TEC Actuator

Package

3, 4, 5, 6

100(C/K), 103(C/K),

104(C/K), 105, 106,

107, 110(C/K),

200(C/K), 800, 803,

804, 808, 809

Refer to

Figure 6

550-050 550-056

Long Platform — 20-position

terminal block

5, 6, 7, 8 506, 507

Refer to

Figure 5

550-048 550-057

Long Platform — 24-position

terminal block

3, 4, 5, 6, 7, 8 505

Refer to

Figure 5

* C = Secure Mode TECs; K = UL Smoke Control Listed TECs.

Summary of content (6 pages)

PAGE 1
Installation Instructions Document No. 540-201 August 31, 2007 TEC Plug-in Relay Module Product Description The TEC Plug-in Relay Module (called relay module in these instructions) plugs directly (or remotely with a Remote Mount Kit) into the Terminal Equipment Controller (TEC) to provide relay isolation for at least four digital outputs (DOs). (Part Number 550-048 provides isolation for up to six DOs. See Table 1.) Per NEC and local codes, voltages up to 230 Vac and 4 amps can be switched.
PAGE 2
Document No. 540-201 Installation Instructions Rev. BA, August 2007 NOTE: All points can be wired to the TEC terminal block per instructions supplied with the controller except those controlled by DOs that will be switched by interposing relays on the relay module. (Refer to Table 1 to determine which DOs are switched.) If points to be switched are already wired to the terminal block, they may need to be individually labeled and disconnected. See Figure 1 for more information.
PAGE 3
Document No. 540-201 Installation Instructions Rev. AA, August 2007 BY OTHERS SELECT SOURCE VOLTAGE (HOT OR NEUTRAL) AS REQUIRED WARNING: Field technicians do not normally think of the TEC terminal block as having high-voltage wires connected to it. However, these instructions call out the possibility of voltages up to 230 Vac being wired directly to the terminal block once it is in place on the relay module.
PAGE 4
Document No. 540-201 Installation Instructions Rev. BA, August 2007 Remote Installation CAUTION: NOTES: The relay module MUST be at earth ground potential. If not, the MOVs (metal oxide varistors) on the relay module cannot provide noise and surge suppression for the TEC. 1. Placement of the TEC Plug-in Relay Module and all wiring must conform to NEC and local codes and regulations. 2. The Remote Mount Kit does not come with a grounding wire.
PAGE 5
Document No. 540-201 Installation Instructions Rev. BA, August 2007 TEC0296R1 J3 NOTE: The TEC Actuator Package is shipped with the actuator (and optional Autozero Module, if there is one) pre-wired to the TEC’s terminal block. This terminal block must be removed so that the cable assembly’s terminal block can be plugged into the TEC (as shown above).
PAGE 6
Document No. 540-201 Installation Instructions Rev. BA, August 2007 NOTES: 1. Any point whose controlling DO is switched by the CAUTION: TEC Plug-in Relay Module must be wired as in Figure 1, even if it would not normally require a relay. To minimize the potential for electrical interference, route any wires with voltages greater than 24 Vac away from the relay module and the TEC. Do not let them pass over or in close proximity to these units. 2.