ENER-G Controls VTC VTU CTU CLR History

Software Release History	Secondary Circuit Controller for Temperature Control of Heating or Cooling Circuits with 3 x Triac Outputs (3T version) with 2 x 0-10V DC Outputs (AOP version) Chiller Controller with 3 x Triac Outputs
	CTU/ DIN/ 3T: VTU / DIN / 3T: VTC / DIN / 3T CTU/ DIN/ AOP: VTU / DIN / AOP: VTC / DIN / AOP

Software Release Document for:	CTU/DIN/3T VTU/DIN/3T VCU/DIN/3T	CTU/DIN/AOP VTU/DIN/AOP VCU/DIN/AOP
PROM file header:	hscvt (heating) cscvt (cooling)	hscva (heating) cscva (cooling)

Software Version	Release Date	Further Information	Notes
4e3	11/04/06	Feature Notes Configuration Tables(heating) Configuration Tables HT heating Feature Notes Chiller Configuration Tables (cooling) Wiring Hardware 3T Hardware AOP	add C122 SDLY allows the ramp period for the steam warm up to be changed add hysteresis on the over temperature limit reset ramp time if controller non-occupied change fuzzy constants to lower gain with wider bands
4e2	22/03/06	Feature Notes Configuration Tables(heating) Configuration Tables HT heating Feature Notes Chiller Configuration Tables (cooling) Wiring Hardware 3T Hardware AOP	add support for steam valve control in high temperature HT version
4e1	09/01/06	Feature Notes Configuration Tables(heating) Feature Notes Chiller Configuration Tables (cooling) Wiring Hardware 3T Hardware AOP	add demand over IT networks, release previous beta features two-pipe control and heat- cool interlocks
4d1	19/10/04	Feature Notes Configuration Tables(heating) Configuration Tables (cooling) Wiring Hardware 3T Hardware AOP	add two pipe control and interlock between heating and cooling controllers ( only ever released as beta version)
4c2 config tables	05/09/01	0028/0001 B5 0029/0001 B6	add support for SEN/PR/TMP sensors
4c1 config tables	13/12/00 issue notes	0028/0001 A1	major new issue engineering tables
4b2	09/11/99	0006/0001 J12	allow weather compensated mode when OCDS is being used
4b1 config tables	19/07/99 issue notes	0006/0001 J12	add test code send demands at 1 minute intervals process heating and cooling loops, driver settings can determine the sense of the output add OCDS
4a3	08/06/99	0006/0001 J12	expand setting range for FRSP,NOSP
4a2	26/01/99	0006/0001 J12	add counts for resets correct monitoring of HCOP
4a1	07/10/98	0006/0001 J12	correct sending heat demands to another heat
3a8	08/09/98	0006/0001G	correct sending heat demands to another heat source
3a7	22/06/98	0006/0001G	correct registration of actuators if own address is greater than H3 or C3
3a6	11/06/98	0006/0001G	correct interaction between summer cut off and normal occupation selection
3a5 config tables	08/05/98 issue notes	0006/0001G	correct registration of PCO modules
3a4	05/05/98	0006/0001G	add support for external input add driver_only_mode, allows sensors to be connected for monitoring only
3a2	12/01/98	0006/0001G	correct CT setpoint transmission correct scaling on Outside air allow MDMD to be set to zero
3a1	30/12/97 issue notes	0006/0001G	first issue for testing

ENER-G Controls

ENER-G House
Daniel Adamson Road
Salford
Manchester
M5 2DT

phone 0161 7457450
fax 0161 7457457

www.energ.com
www.seachange.co.uk
www.smartkontrols.co.uk