aube CT240 Telephone Controller Installation Guide

aube CT240 Telephone Controller Installation Guide

Introduction

The CT240 telephone controller is designed to remotely control your home’s thermostat. It is possible to command a temperature decrease (Unoccupied) during a prolonged absence or a temperature increase (Comfort) before you return home.

Depending on your thermostat’s operating characteristics, it either connects to the Aube output (for most Aube models) or to the auxiliary output.

When the auxiliary output is not used to control a thermostat, it can be used to simultaneously control a load such as a water heater, lighting, etc.

Figure 1 : Product Overview

1. Power Indicator. Indicates the CT240 is powered on. To tur it off, unplug the power transformer.
2. Communication Indicator. Indicates the CT240 has answered and is awaiting a command.
3. Ring Indicator. This indicator flashes when the phone rings.
4. Reset. This button can be used to reset the CT240 to its default values. See section 3.3.
5. Manual Output Activation Button. Can be used to manually switch the relay status.
6. Auxiliary Output. See section 2.
7. 12 VDC Output. See section 2.

Installation

Any device connected to a telephone line must conform to the country’s standards. The CT240 telephone controller meets:

• FCC68 standards for installation on the North American network.
• FDTBR21 standards for installation on the European network.

Include Parts

• One CT240 telephone controller
• One power transformer 120 V (North America) or 250 V (Europe)
• One 5 m (16 foot) telephone cable

NOTE: If you are using an answering machine, position the answering machine switch to ON before installing the CT240.
Make sure that your answering machine answers after a minimum of 4 rings.

Figure 2: Answering Machine Switch

Figure 3 : Typical Installation

1. Mount the CT240 near a telephone outlet
   NOTE: If you plan to connect a load having more that 30 volts on the auxiliary output, the CT240 must be installed inside a certified electrical box.

2. OPTIONAL. Connect your phone (or answering machine) to the
   PHONE connector of the CT240

3. Connect one end of the telephone cable to the LINE connector of
   the CT240 and the other end to the telephone outlet in your home.

4. Connect the thermostat and load. Both outputs work simultaneously.
   NOTE: Refer to your thermostat’s electrical specifications (telephone
   interface) for the connection requirements.

   •  If your thermostat requires a 12 VDC signal to switch to Vacation setpoint, use the ABC output (FIGURE 4):
     A and C terminals:
     

   • 0 VDC in Comfort mode

   • 12 VDC in Vacation mode
     NOTE: 50 mA max. for parallel connection of Aube thermostats.

   • If your thermostat requires a dry contact to switch to the Vacation setpoint, use the 123 output (FIGURE 5) :

   • Load = terminals 2 and 3 (NC) (open = Vacation)

   • Thermostat = terminals 1 and 2 (NO) (closed = Vacation)

5.  When all connections have been made, connect the power transformer to the 9 V outlet of the CT240 and the other end to the wall electrical outlet. The power indicator light is ON when the circuit is powered.

Figure 4: 12 VDC  Signal to thermostat

Figure 5 : Dry contact to thermostat

Operation

NOTE: The CT240 will automatically hang up if no key is pressed during the 30 seconds following the CT240 answering a call.

Default values:

• Access code = 1234
• Number of rings = 4

With or Without an Answering Machine

1. BEGIN A SESSION (without answering machine)
   Dial your phone number
   Let it ring once and hang up
   Wait 10 seconds…
   Dial your phone number again within the next 30 seconds
   CT240 answers (1st ring)

2. ENTER YOUR ACCESS CODE
   Enter your 4-digit access code (default: 1234)

3. OUTPUT STATUS/MODIFY STATUS
   Press 1 for output status
   Press * to change status

4. MODIFY THE ACCESS CODE
   Press
   Enter your new 4-digit access code
   Enter the access code again

5. MODIFY THE NUMBER OF RINGS (phone only)
   Press
   Enter the number of rings after which the CT240 will answer (between 1 and 9)

6. END SESSION
   Press  to end the session

Manual Output Activation Button

The button, located on the upper-left corner of the CT240, can be used to manually switch the relay status. This option is not available while the CT240 is answering a telephone call.

The light is ON when the auxiliary output is in Vacation mode (terminals 1 and 2 closed)

Reset to default values

Insert a pointed object (e.g. paper clip) in the hole located under the Reset light. The light will flash 3 times to indicate that the CT240 has been reset:

• number of rings: 4
• access code: 1234
• Output status:
  ABC: Terminals A and C: Comfort
  123: Terminals 1 and 2: opened, Terminals 2 and 3: closed

Technical Specifications

Power supply: 9 VAC / 60 Hz (50 Hz Europe)
Output (ABC): 0 VDC = Comfort mode / 12 VDC = Vacation mode
Maximum load for parallel connection of Aube thermostats: 50 mA
Auxiliary output (123): SPDT with following capacity:

• 5 A / 30 VAC inductive / Power Factor: 0.4
• 10 A / 30 VAC resistive (if installed in a certified electrical box)
•  10 A / 240 VAC resistive (if installed in a certified electrical box)
• 1/2 HP / 120 VAC motor (if installed in a certified electrical box)
• 1 HP / 240 VAC motor (if installed in a certified electrical box)

Protection: Class II
Access code (default): 1234
Number of rings (default): 4 rings
Memory protection: In case of power failure, access code and output status are protected.
Phone certification standard:

• FDTBR21: European telephone network
• FCC68: North American telephone network

Approvals:

• c UL us (North America)
• CE (Europe)

Dimensions (H W D): 2.7 x 5.4 x 1.2 in. (69 x 137 x 31 mm)

Warranty

Resideo warrants this product, excluding battery, to be free from defects in workmanship or materials, under normal use and service, for a period of three (3) years from the date of first purchase by the original purchaser. If at any time during the warranty period the product is determined to be defective due to workmanship or materials, Resideo shall repair or replace it (at Resideo’s option). If the product is defective,

1.  return it, with a bill of sale or other dated proof of purchase, to the place from which you purchased it; or
2. Customer Care will make the determination whether the product should be returned to the following address: Resideo Return Goods, 1985 Douglas Dr. N., Golden Valley, MN 55422, or whether a replacement product can be sent to you. This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Resideo that the defect was caused by damage which occurred while the product was in the possession of a consumer.

Resideo’s sole responsibility shall be to repair or replace the product within the terms stated above. RESIDEO SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT.

Some states do not allow the exclusion or limitation of incidental or consequential damages, so this limitation may not apply to you.

THIS WARRANTY IS THE ONLY EXPRESS WARRANTY RESIDEO MAKES ON THIS PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, IS HEREBY LIMITED TO THE THREE YEAR DURATION OF THIS WARRANTY.
Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. This warranty gives you specific legal rights, and you may have other rights which vary from state to state. If you have any questions concerning this warranty, please write Resideo Customer Care, 1985 Douglas Dr, Golden Valley, MN 55422.

Customer Service

Resideo Technologies, Inc.
1985 Douglas Drive North, Golden Valley, MN 55422
400-240-001-B M.S. Rev. 05-20 | Printed in United States
www.resideo.com

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