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Energy recovery ventilator (ERV) · BACnet points list
Tempeff RGSP-K ERV with optional BACnet field device BACnet points list
Updated 12 November 2026
The RGSP-K has no native BACnet; an optional Functional Devices BACnet RIB relay module wired to the unit terminal strip gives a BMS four binary outputs (enable, heat recovery / free cooling, fan speed) and four binary inputs (fan / damper status, furnace interlock, two spare dry contacts) over BACnet MS/TP.
This page lists 8 BACnet objects for the Tempeff RGSP-K ERV with optional BACnet field device — 4 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Tempeff’s own free documentation, linked below.
- Manufacturer
- Tempeff
- Model
- RGSP-K ERV with optional BACnet field device
- Equipment
- Energy recovery ventilator (ERV)
- Equipment type
- Rooftop units, AHUs & DOAS
- BACnet objects
- 8 (4 writable)
- Transport
- BACnet MS/TP
- Firmware
- Not stated
- Default device instance
- 277XXX (XXX = MS/TP address)
- Also known as
- RGSP-K, Tempeff RGSP-K, RGSP-K BACnet
- Source document
- RGSP-K Series Installation Manual · rev. July 2025
Reference only, provided as-is: verify against Tempeff’s current documentation and the live device before use. Not official Tempeff information. Terms of use.
BMS integration notes: Tempeff RGSP-K ERV with optional BACnet field device
Enable the unit with BO 1, choose heat recovery or free cooling with BO 2 and high or low fan speed with BO 3; read BI 1 for high speed / damper alarm and BI 2 for the furnace / AHU interlock.
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 |
|---|---|---|---|
| BO 1 | BINARY_OUTPUT:1 | Unit enable (on = run) | Write |
| BO 2 | BINARY_OUTPUT:2 | On = heat recovery, off = free cooling | Write |
| BO 3 | BINARY_OUTPUT:3 | On = high speed, off = low speed | Write |
| BI 1 | BINARY_INPUT:1 | High speed; 2 s flashing = damper alarm | Read |
| BI 2 | BINARY_INPUT:2 | Furnace / AHU interlock status | Read |
Enable & remote start
BO 1 enables the unit.
Network setup
- BACnet MS/TP only; MS/TP address and baud rate are set with DIP switches on the module.
- Default device instance is 277XXX, where XXX is the MS/TP address.
- Relay R6 on the unit controller must be rewired to a dry contact (move the black wire to R6 COM, remove the red factory wire) before connecting the module inputs.
Watch out for
- The module binary inputs must see dry contacts only.
- Install the module on the supplied MT4-6 mounting track and power it from 24 V ac/dc.
Tempeff RGSP-K ERV with optional BACnet field device 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 | |||||
|---|---|---|---|---|---|---|
| BOmin | 1 | BINARY_OUTPUT:1 | Unit enable | Write | On = enable | |
| BOmin | 2 | BINARY_OUTPUT:2 | Heat recovery / free cooling select | Write | On = Heat Recovery, Off = Free Cooling | |
| BOmin | 3 | BINARY_OUTPUT:3 | High / low fan speed select | Write | On = High Speed, Off = Low Speed | |
| BO | 4 | BINARY_OUTPUT:4 | Not used | Write | ||
| BImin | 1 | BINARY_INPUT:1 | Fans at high speed; flashing = damper alarm | Read | On = Fans at High Speed; 2 s on / 2 s off = Damper Alarm | |
| BImin | 2 | BINARY_INPUT:2 | Furnace / AHU interlock | Read | ||
| BI | 3 | BINARY_INPUT:3 | Spare dry-contact input for other field devices | Read | ||
| BI | 4 | BINARY_INPUT:4 | Spare dry-contact input for other field devices | Read |
No points match these filters.
Object ID lookup: Tempeff RGSP-K ERV with optional BACnet field device point IDs by name
Integration notes
- From Figure 22 "BACnet Points List" in the installation manual (page 13). Names are the module's generic object names.
- BI 1 is on when the fans run at high speed and flashes 2 s on / 2 s off for a damper alarm.
- BI 3 and BI 4 are spare dry-contact inputs, e.g. for damper end switches, current sensors or a CO2 / humidity switch.
- The device shows on the network as "Functional Devices BACnet RIB".
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 RGSP-K ERV with optional BACnet field device 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 Tempeff RGSP-K ERV with optional BACnet field device
How many BACnet points does the Tempeff RGSP-K ERV with optional BACnet field device have?
This list has 8 BACnet objects: 4 binary inputs, 4 binary outputs. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Tempeff RGSP-K ERV with optional BACnet field device BACnet points are writable?
4 of the 8 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 Tempeff RGSP-K ERV with optional BACnet field device BACnet documentation?
The source is RGSP-K Series Installation Manual, revision July 2025, published free by Tempeff at https://www.tempeff.com/wp-content/uploads/2022/05/Tempeff-RGSP-K-IOM_July-2025.pdf.
What are the minimum BACnet points to integrate the Tempeff RGSP-K ERV with optional BACnet field device?
Start with BO 1 BINARY_OUTPUT:1 (Unit enable (on = run)); BO 2 BINARY_OUTPUT:2 (On = heat recovery, off = free cooling); BO 3 BINARY_OUTPUT:3 (On = high speed, off = low speed); BI 1 BINARY_INPUT:1 (High speed; 2 s flashing = damper alarm); BI 2 BINARY_INPUT:2 (Furnace / AHU interlock status).
How do I enable BMS control of the Tempeff RGSP-K ERV with optional BACnet field device?
BO 1 enables the unit.
How do I check these points on the real RGSP-K ERV with optional BACnet field device?
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.
Source: RGSP-K Series Installation Manual · rev. July 2025. Object names, instances and units are reproduced as published; descriptions are our own.