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Refrigerant leak monitor (gas sensor) via BACnet gateway · BACnet points list
Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit) BACnet points list
Updated 7 November 2026Unofficial source
A FieldServer ProtoNode reads the MultiZone monitor over Modbus and serves its data as 66 BACnet objects: the active zone, a fault value, and for each of 16 zones the gas reading in ppm, the refrigerant type and an alarm value. Each zone's refrigerant type appears twice, as a read-only AI and a writable AV.
This page lists 66 BACnet objects for the Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit) — 16 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from a copy of Bacharach’s documentation hosted by Kele, not by Bacharach itself, so treat it as unofficial.
- Manufacturer
- Bacharach
- Model
- MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit)
- Equipment
- Refrigerant leak monitor (gas sensor) via BACnet gateway
- Equipment type
- Thermostats, sensors & meters
- BACnet objects
- 66 (16 writable)
- Transport
- BACnet IP
- Firmware
- Not stated
- Also known as
- Bacharach MZ, MultiZone MZ, 3015-5609, 3015-5705, Bacharach BACnet Protocol Converter Kit
- Source document
- BACnet Protocol Converter Kit for Use with Bacharach MultiZone Gas Monitors - Installation Manual · 3015-5609 · rev. Revision 1, June 2012 (unofficial copy, hosted by Kele)
Reference only, provided as-is: verify against Bacharach’s current documentation and the live device before use. Not official Bacharach information. Terms of use.
BMS integration notes: Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit)
Read the PPM and Alarm objects for each zone in use and the unit Fault value. The refrigerant type per zone is normally set once during commissioning.
Minimum points to map
The short list most integrators start with — enough to run the unit from a BMS. Map more as the job needs.
| Object | Name | Why | Access |
|---|---|---|---|
| AI 1 | Active Zone | Zone now being sampled | Read |
| AI 3 | PPM [1] | Zone 1 refrigerant concentration, ppm | Read |
| AI 6 | Alarm [1] | Zone 1 alarm status | Read |
| AI 2 | Fault | Monitor fault | Read |
Network setup
- ProtoNode default IP address 192.168.1.24, subnet 255.255.255.0.
- Power the ProtoNode from 9-30 VDC or 12-24 VAC; wire its RS-485 port to the MZ Modbus bus as shown in the MZ manual.
Watch out for
- Write the refrigerant-type AVs only while configuring the monitor; the manual warns against frequent writes.
- Only the zones fitted on the monitor carry real readings.
Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit) BACnet objects
Type: AI, AO, AV, BI, BO, BV, MI/MO/MV (multi-state) · Access: Read read-only, Write writable, Command writable with a priority array.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AImin | 1 | Active Zone | Zone currently being sampled | Read | ||
| AImin | 2 | Fault | Monitor fault status | Read | ||
| AImin | 3 | PPM [1] | Zone 1 gas concentration | ppm | Read | |
| AI | 4 | Refrig Type [1] | Zone 1 refrigerant type (read) | Read | ||
| AV | 5 | Refrig Type [1] | Zone 1 refrigerant type (write) | Write | ||
| AImin | 6 | Alarm [1] | Zone 1 alarm status | Read | ||
| AI | 7 | PPM [2] | Zone 2 gas concentration | ppm | Read | |
| AI | 8 | Refrig Type [2] | Zone 2 refrigerant type (read) | Read | ||
| AV | 9 | Refrig Type [2] | Zone 2 refrigerant type (write) | Write | ||
| AI | 10 | Alarm [2] | Zone 2 alarm status | Read | ||
| AI | 11 | PPM [3] | Zone 3 gas concentration | ppm | Read | |
| AI | 12 | Refrig Type [3] | Zone 3 refrigerant type (read) | Read | ||
| AV | 13 | Refrig Type [3] | Zone 3 refrigerant type (write) | Write | ||
| AI | 14 | Alarm [3] | Zone 3 alarm status | Read | ||
| AI | 15 | PPM [4] | Zone 4 gas concentration | ppm | Read | |
| AI | 16 | Refrig Type [4] | Zone 4 refrigerant type (read) | Read | ||
| AV | 17 | Refrig Type [4] | Zone 4 refrigerant type (write) | Write | ||
| AI | 18 | Alarm [4] | Zone 4 alarm status | Read | ||
| AI | 19 | PPM [5] | Zone 5 gas concentration | ppm | Read | |
| AI | 20 | Refrig Type [5] | Zone 5 refrigerant type (read) | Read | ||
| AV | 21 | Refrig Type [5] | Zone 5 refrigerant type (write) | Write | ||
| AI | 22 | Alarm [5] | Zone 5 alarm status | Read | ||
| AI | 23 | PPM [6] | Zone 6 gas concentration | ppm | Read | |
| AI | 24 | Refrig Type [6] | Zone 6 refrigerant type (read) | Read | ||
| AV | 25 | Refrig Type [6] | Zone 6 refrigerant type (write) | Write | ||
| AI | 26 | Alarm [6] | Zone 6 alarm status | Read | ||
| AI | 27 | PPM [7] | Zone 7 gas concentration | ppm | Read | |
| AI | 28 | Refrig Type [7] | Zone 7 refrigerant type (read) | Read | ||
| AV | 29 | Refrig Type [7] | Zone 7 refrigerant type (write) | Write | ||
| AI | 30 | Alarm [7] | Zone 7 alarm status | Read | ||
| AI | 31 | PPM [8] | Zone 8 gas concentration | ppm | Read | |
| AI | 32 | Refrig Type [8] | Zone 8 refrigerant type (read) | Read | ||
| AV | 33 | Refrig Type [8] | Zone 8 refrigerant type (write) | Write | ||
| AI | 34 | Alarm [8] | Zone 8 alarm status | Read | ||
| AI | 35 | PPM [9] | Zone 9 gas concentration | ppm | Read | |
| AI | 36 | Refrig Type [9] | Zone 9 refrigerant type (read) | Read | ||
| AV | 37 | Refrig Type [9] | Zone 9 refrigerant type (write) | Write | ||
| AI | 38 | Alarm [9] | Zone 9 alarm status | Read | ||
| AI | 39 | PPM [10] | Zone 10 gas concentration | ppm | Read | |
| AI | 40 | Refrig Type [10] | Zone 10 refrigerant type (read) | Read | ||
| AV | 41 | Refrig Type [10] | Zone 10 refrigerant type (write) | Write | ||
| AI | 42 | Alarm [10] | Zone 10 alarm status | Read | ||
| AI | 43 | PPM [11] | Zone 11 gas concentration | ppm | Read | |
| AI | 44 | Refrig Type [11] | Zone 11 refrigerant type (read) | Read | ||
| AV | 45 | Refrig Type [11] | Zone 11 refrigerant type (write) | Write | ||
| AI | 46 | Alarm [11] | Zone 11 alarm status | Read | ||
| AI | 47 | PPM [12] | Zone 12 gas concentration | ppm | Read | |
| AI | 48 | Refrig Type [12] | Zone 12 refrigerant type (read) | Read | ||
| AV | 49 | Refrig Type [12] | Zone 12 refrigerant type (write) | Write | ||
| AI | 50 | Alarm [12] | Zone 12 alarm status | Read | ||
| AI | 51 | PPM [13] | Zone 13 gas concentration | ppm | Read | |
| AI | 52 | Refrig Type [13] | Zone 13 refrigerant type (read) | Read | ||
| AV | 53 | Refrig Type [13] | Zone 13 refrigerant type (write) | Write | ||
| AI | 54 | Alarm [13] | Zone 13 alarm status | Read | ||
| AI | 55 | PPM [14] | Zone 14 gas concentration | ppm | Read | |
| AI | 56 | Refrig Type [14] | Zone 14 refrigerant type (read) | Read | ||
| AV | 57 | Refrig Type [14] | Zone 14 refrigerant type (write) | Write | ||
| AI | 58 | Alarm [14] | Zone 14 alarm status | Read | ||
| AI | 59 | PPM [15] | Zone 15 gas concentration | ppm | Read | |
| AI | 60 | Refrig Type [15] | Zone 15 refrigerant type (read) | Read | ||
| AV | 61 | Refrig Type [15] | Zone 15 refrigerant type (write) | Write | ||
| AI | 62 | Alarm [15] | Zone 15 alarm status | Read | ||
| AI | 63 | PPM [16] | Zone 16 gas concentration | ppm | Read | |
| AI | 64 | Refrig Type [16] | Zone 16 refrigerant type (read) | Read | ||
| AV | 65 | Refrig Type [16] | Zone 16 refrigerant type (write) | Write | ||
| AI | 66 | Alarm [16] | Zone 16 alarm status | Read |
No points match these filters.
Object ID lookup: Bacharach MultiZone gas monitor point IDs by name
AI1Active ZoneAI2FaultAI3PPM [1]AI4Refrig Type [1]AV5Refrig Type [1]AI6Alarm [1]AI7PPM [2]AI8Refrig Type [2]AV9Refrig Type [2]AI10Alarm [2]AI11PPM [3]AI12Refrig Type [3]AV13Refrig Type [3]AI14Alarm [3]AI15PPM [4]AI16Refrig Type [4]AV17Refrig Type [4]AI18Alarm [4]AI19PPM [5]AI20Refrig Type [5]AV21Refrig Type [5]AI22Alarm [5]AI23PPM [6]AI24Refrig Type [6]AV25Refrig Type [6]AI26Alarm [6]AI27PPM [7]AI28Refrig Type [7]AV29Refrig Type [7]AI30Alarm [7]AI31PPM [8]AI32Refrig Type [8]AV33Refrig Type [8]AI34Alarm [8]AI35PPM [9]AI36Refrig Type [9]AV37Refrig Type [9]AI38Alarm [9]AI39PPM [10]AI40Refrig Type [10]AV41Refrig Type [10]AI42Alarm [10]AI43PPM [11]AI44Refrig Type [11]AV45Refrig Type [11]AI46Alarm [11]AI47PPM [12]AI48Refrig Type [12]AV49Refrig Type [12]AI50Alarm [12]AI51PPM [13]AI52Refrig Type [13]AV53Refrig Type [13]AI54Alarm [13]AI55PPM [14]AI56Refrig Type [14]AV57Refrig Type [14]AI58Alarm [14]AI59PPM [15]AI60Refrig Type [15]AV61Refrig Type [15]AI62Alarm [15]AI63PPM [16]AI64Refrig Type [16]AV65Refrig Type [16]AI66Alarm [16]
Integration notes
- Objects are numbered 1-66 straight through: AI 1-2 are unit-wide, then four objects per zone (zone n starts at 4n-1).
- The refrigerant type of a zone is read from the AI and written to the AV with the next instance number.
- The manual gives no units column; ppm is implied by the object name.
- The kit manual only gives the ProtoNode IP settings; it does not cover BACnet MS/TP.
Check it against the live device. A points list tells you what the controller can expose; the unit in front of you may differ by firmware or installed options. This list is provided as-is for reference only and may contain mistakes — confirming it before you write, map or commission anything is up to you (terms). Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit) and exports what it actually has to Excel — free. New to BACnet? Start with what a BACnet points list is and what the object types mean.
Questions about the Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit)
How many BACnet points does the Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit) have?
This list has 66 BACnet objects: 50 analog inputs, 16 analog values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit) BACnet points are writable?
16 of the 66 objects accept a write. Points marked Command have a priority array: a write holds until it is released, so release it back to automatic when you are done.
Where is the official Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit) BACnet documentation?
Bacharach does not publish it on its own website. This list comes from BACnet Protocol Converter Kit for Use with Bacharach MultiZone Gas Monitors - Installation Manual (3015-5609), revision Revision 1, June 2012, a copy hosted by Kele at https://assets.kele.com/Catalog/08%20Gas_Specialty_Sensors/PDFs/3015-5705%20Bacnet%20Manual.pdf. Ask Bacharach or its representative for the current revision.
What are the minimum BACnet points to integrate the Bacharach MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit)?
Start with AI 1 Active Zone (Zone now being sampled); AI 3 PPM [1] (Zone 1 refrigerant concentration, ppm); AI 6 Alarm [1] (Zone 1 alarm status); AI 2 Fault (Monitor fault).
How do I check these points on the real MultiZone gas monitor (ProtoNode BACnet Protocol Converter Kit)?
Scan the network with a BACnet IP browser such as Easy BACnet, open the device and compare its object list with this table. Anything missing is usually an option that isn't installed or a point that is disabled in the controller's configuration.
More Bacharach BACnet points lists
Source: BACnet Protocol Converter Kit for Use with Bacharach MultiZone Gas Monitors - Installation Manual · 3015-5609 · rev. Revision 1, June 2012. Object names, instances and units are reproduced as published; descriptions are our own.