Volkswagen Heater: Difference between revisions
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(→LIN Bus Communication: Updated LIN frame details) |
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* Control via LIN by integrated electronics | * Control via LIN by integrated electronics | ||
* Temperature control by integrated sensor | * Temperature control by integrated sensor | ||
* 3d Scan: [https://grabcad.com/library/vw-egolf-gte-electric-water-heater-1 https://grabcad.com/] | |||
* Must be used in an inverted orientation with the sockets situated below as air can be left trapped in the heater element zone causing steam to be explosively generated | |||
== Dimensions == | |||
* Fluid connection (mm): 20 (Nozzle dimensions according to DIN3021-3<ref>https://web.archive.org/web/20250109134824/https://images.carid.com/mubea/items/pdf/hose-spring-band-clamp-brochure.pdf</ref>) | |||
* Dimensions L x W x H (mm): 210 x 73 x175 | |||
* Weight (kg): ~1,7 <br /> | |||
== Pinout/Connectors == | == Pinout/Connectors == | ||
[[File:VW heater connectors (annotated).jpg|thumb]] | [[File:VW heater connectors (annotated) V2.jpg|thumb]] | ||
| Line 25: | Line 31: | ||
* Pin 2 is GND | * Pin 2 is GND | ||
*Pin 4 is LIN | *Pin 4 is LIN | ||
*Pin 5 is HV Interlock loop passthrough (ref. right terminal highlighted with Blue in picture) | |||
*Pin 7 is HV interlock loop passthrough (ref. left terminal highlighted with Blue in picture) | |||
| Line 107: | Line 115: | ||
==References== | ==References== | ||
<references /> | <references /> | ||
[[Category:VAG]] | |||
[[Category:VAG]] | [[Category:Heater Coolant]] | ||
[[Category: | |||
Latest revision as of 08:54, 23 April 2025
General Information [1]
- Operating Voltage: 280VDC - 450VDC
- Power: 5kW (7kW "boost" between 350-450V)
- Control via LIN by integrated electronics
- Temperature control by integrated sensor
- 3d Scan: https://grabcad.com/
- Must be used in an inverted orientation with the sockets situated below as air can be left trapped in the heater element zone causing steam to be explosively generated
Dimensions
- Fluid connection (mm): 20 (Nozzle dimensions according to DIN3021-3[2])
- Dimensions L x W x H (mm): 210 x 73 x175
- Weight (kg): ~1,7
Pinout/Connectors
_V2.jpg)
HV connector: TE 4-2103177-5 (HVA 280 series - key "E")
- HV+ near to the body,
- HV- far from the body
LV connector: TE 1-1394416-1
- Pin 1 is permanent 12V
- Pin 2 is GND
- Pin 4 is LIN
- Pin 5 is HV Interlock loop passthrough (ref. right terminal highlighted with Blue in picture)
- Pin 7 is HV interlock loop passthrough (ref. left terminal highlighted with Blue in picture)
LIN Bus Communication
| ID | Description | Length | Checksum Type | Byte 0 | Byte 1 | Byte 2 | Byte 3 | Byte 4 | Byte 5 | Byte 6 | Byte 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec: 28
Hex: 0x1C PID: 0x9C |
Control, every 50ms | 2 | Enhanced | Power
0-100% scale: x1 |
Last bit: Start/Stop | ||||||
| Dec: 48
Hex: 0x30 PID: 0xF0 |
Feedback | 8 | Enhanced | HV Current:
Unit: Amp Scale: 0.25 |
?? | ?? | ?? | LV Voltage:
Unit: Volt Scale: 0.1 |
Module Temp
Unit: Celcius offset:-50 |
Temperature in
Unit: Celsius offset:-50 |
Temperature out
Unit: Celsius offset:-50 |
VW Part Numbers
Heater:
- 3Q0 963 231 A
- 3Q0 963 231 C
- 3Q0 963 231 E
Cable assemblies:
- HV cable is 3Q0 971 475 or 5Q0 971 475
- LV cable appears to be 1J0 973 714
References
- ↑ http://datasheets.dbk-worldwide.com/EN/Datasheets/WireHeaters/DBKITM_HV%20Water%20heater_eng.pdf (Backup: Web Archive)
- ↑ https://web.archive.org/web/20250109134824/https://images.carid.com/mubea/items/pdf/hose-spring-band-clamp-brochure.pdf
- ↑ https://openinverter.org/forum/viewtopic.php?p=26604#p26604