3: Multi-Phone Jack Audio Circuit In Class B Configuration - Honeywell Farenhyt Series Manual

Wiring Requirements for the Audio Telephone Circuit
5.2.3 Multi-Phone Jack Audio Circuit in Class B Configuration
For wiring specifications, refer to Section Section 5.2. Figure 5.4 illustrates how to wire the multi-phone jack audio circuit and the SLC for
Class B configuration. In the multi-phone jack configuration, the maximum mini-monitor contact wiring resistance between the first and last
FFT-FPJ must be less that 100 ohms.
+ audio
- audio
+ SLC
- SLC
IFP-FFT
IFP-FFT Manual — P/N 54708:B3 10/28/2021
Contact EOL Not Connected
(See Figure 5.2 for EOL reference.)
1 3 1 3
2 2 2 2
3 1 3 1
TB1
TB2 TB2
FFT-FPJ FFT-FPJ
ADDRESS
LOOP
ONES
TENS
IFP-MINIMON
Figure 5.4 Multi-Phone Jack Audio Circuit Wired in Class B Configuration
Contact EOL Connected
(See Figure 5.2 for EOL reference.)
1 3
2 2
3 1
TB1 TB1
TB2
FFT-FPJ
1 3
2 2
3 1
TB2 TB1
FFT-FPJ
ADDRESS
LOOP
TENS
IFP-MINIMON
Audio Phone Circuit Installation
Do not loop wire under the terminals.
Break wire run to provide proper
supervision of communications.
Contact EOL Not Connected
(See Figure 5.2 for EOL reference.)
1 3
2 2
3 1
TB2 TB1
FFT-FPJ
4.7kΩ, 1/2 watt ELR
Install on the last
device on a Class B
ONES
telephone circuit only.
1 3
2 2
3 1
TB2 TB1
FFT-FPJ
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