Tekmar 009K 24 V (ac) Transformer Kit User Manual download pdf

24 V (ac) Transformer 009

009_D

05/14

Accessories

Replaces: 02/13

Installation & Operation Manual

Mount the Electrical Box

•

• Mount the electrical box securely in the location where the transformer is to be installed.

•

• Mount the transformer to the electrical box. Figure 1 shows how the transformer could be

mounted.

Basic Installation

The tekmar Transformer 009 is a 40 VA, 24 V (ac) transformer for use with products that require an external transformer.

The Transformer Kit 009K includes a 4" x 4" electrical J-Box.

Figure 1

When sizing a transformer it is important to know the load that it will be operating. Transformers are sized based on the VA

(Volt X Amps) power that they can provide. Use the sizing chart below to calculate the required VA. The tekmar Transformer

009 can supply a total of 40 VA. If the load exceeds 40 VA, a larger transformer is required.

Sizing the Transformer Load

Zone

123456

Thermostat

Load

Zone Valve

Load

Other Load

Control

Load (VA)

Total Zone Load

++++++

Transformer

must exceed:

•

• The high voltage side of the transformer can be determined by locating the two permanently connected, black and

black or black and white wires, which are factory-installed.

•

• Connect 120 V (ac) hot (L) to the black (L) wire on the transformer.

•

• Connect 120 V (ac) neutral (N) to the white or opposite black (N) wire on the transformer.

Low Voltage Side:

•

• The low voltage terminals have male spade connectors and are labelled R and C.

•

• Connect the red lead (with the in-line fuse) provided with the Transformer 009 to the R spade connector on the secondary

side of the transformer. The fuse is rated at 250 V (ac) 2.0 A slow-blow type.

• Connect the black lead provided with the 009 to the C spade connector on the secondary side of the transformer.

To avoid serious personal injury and damage to the equipment:

It is your responsibility to ensure that this product is safely installed according to all applicable codes and

standards. tekmar is not responsible for damages resulting from improper installation and/or maintenance.

•

• Read Manual and all product labels BEFORE using the equipment. Do not use unless you know the safe

and proper operation of this equipment.

•

• It is the installers responsibility to ensure that this product is safely installed according to all applicable codes

and standards.

•

• Ensure power to the circuit is off before wiring.

Wiring the Transformer

High Voltage Side:

1 2

Summary of Contents

Page 1 - 24 V (ac) Transformer 009

Page 2 - Technical Data

Limited Warranty The liability of tekmar under this warranty is lim-ited. The Purchaser, by taking receipt of any tekmar product (“Prod-uct”), acknowl

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Tekmar 009K 24 V (ac) Transformer Kit User Manual

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