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Bosch DS9370 TriTech CM Ceiling Detector

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DS9370 TriTech CM Ceiling Detector

Flag notes: Current draw differs across docs (28/39/24 mA) · Tamper rating 100 mA vs 125 mA within manual · Detector manual gives no EOL value; EOL comes from the panel/B208 doc

To b208 input To panel zone Memory control
Bosch DS9370Bosch DS9370 To b208 input. 1 (−) connects to Aux −. 2 (+) connects to Aux + 9–15 VDC, ≥22 AWG. 3 NO connects to Form C NO. 4 C connects to Relay common. 5 NC connects to Relay NC (use 4 & 5 for NC loops). 6, 7 T connects to NC tamper. 8 M connects to 6–18 VDC control input.Bosch DS9370To b208 inputPower1 (−)Aux −2 (+)Aux + 9–15 VDC, ≥22 AWGAlarm3 NOForm C NO4 CRelay common5 NCRelay NC (use 4 & 5 for NC lo…Tamper6, 7 TNC tamperMemory8 M6–18 VDC control input
Bosch DS9370 To b208 input. 1 (−) connects to Aux −. 2 (+) connects to Aux + 9–15 VDC, ≥22 AWG. 3 NO connects to Form C NO. 4 C connects to Relay common. 5 NC connects to Relay NC (use 4 & 5 for NC loops). 6, 7 T connects to NC tamper. 8 M connects to 6–18 VDC control input.

Terminals Flag

TerminalGroupFunctionConnects to
1 (−) Power Aux − Flag
2 (+) Power Aux + 9–15 VDC, ≥22 AWG Flag
3 NO Alarm Form C NO Flag
4 C Alarm Relay common Flag
5 NC Alarm Relay NC (use 4 & 5 for NC loops) Flag
6, 7 T Tamper NC tamper Flag
8 M Memory 6–18 VDC control input Flag

Key specs

Power9–15 VDC, 28 mA max
Alarm relayForm C, 100 mA 28 VDC 2.8 W, transfers 4 s
TamperNC, 28 VDC
Mount height8–20 ft (12 ft recommended)
Coverage360°, up to 54 ft diameter
Microwave10.525 GHz (DS9370/DS9371)

Do not use relay with capacitive/inductive loads

No removable ceiling tiles without back plate

Wait 2 min after power-up before walk test

Masks: two 120°, two 90°

How to wire it

  1. Connect 1 (−) to Aux −.
  2. Connect 2 (+) to Aux + 9–15 VDC, ≥22 AWG.
  3. Connect 3 NO to Form C NO.
  4. Connect 4 C to Relay common.
  5. Connect 5 NC to Relay NC (use 4 & 5 for NC loops).
  6. Connect 6, 7 T to NC tamper.
  7. Connect 8 M to 6–18 VDC control input.

Source

Classic Line TriTech CM Installation manual · F.01U.427.436 rev 01 (2024-09)

Values from F.01U.427.436 rev 01 (2024-09).

Verify against the manufacturer's install guide.

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Related parts

Planning aid only. Values are typical and vary by manufacturer, code edition and jurisdiction. Verify with manufacturer data, NEC/NFPA/TIA and the local AHJ. HireLV is not liable for designs based on these tools.