THERMEx THW20 - Release Notes

Heat Pump Manual
46
RELEASE NOTES – SOFTWARE
Date
Issue
Description
20/02/13
A
U302_56_EB4_205
15/12/13
B
Firmware upgrade to version
U302_64_EB4_206
02/12/14
C
Software to version
U302_64_EB4_211
· Introduced flow meter option for high temperature units
· Added output for 2
nd
fan bank for 100 and 150kW models
01/01/15
D
Software to version
U302_64_EB4_212
- Removed On/Off Input
- Added Air to Water and Water to Water select
- Added W2W Comp shut down on Evap temp low
- Added Evap temp + cal
- Added Return temp + cal
- Added Heat load display
- Added all above to log and web pages
- TEMP_FAIL_HIGH increased to 99 degrees
- Add 1/min continuous flow restarts from flow fail – sync to PDT
05/01/15
E
U302_64_EB4_213
- Changed W2W Comp shut down on Evap low temp to Hot gas defrost on
Evap low temp
- Added Defrost temp set-poin
23/02/15
F
U302_64_EB4_214
- Added to Ethernet P334 Networked System
- Updated state machine to use common functions
- Cycle on and off timers now pre-emptive – were post-emptive
01/04/15
G
U302_64_EB4_215
- Fixed 1
st
compressor on cycle bug
- Test for RS485 Network up and Master on-line before changing slave
HTEMP and HYST
- A2W and W2W hot gas defrost now both suction pressure driven
- Added Evaporator under temp to rest for W2W operation
- All_Off() clear comp_share
11/05/15
H
U302_64_EB4_216
- Reduce to one fan output
- Add compressor non-shutdown fault 3 times auto restart after 2 rest
times in 1 hour
- LCD driver include busy flag test and mode refresh
- Add HP Protection using hot gas
- Reduce hot gas hold off to 5 sec
- Remove discharge temps
- Add discharge pressure monitor
- Fix Comp1 start delay
- Hot gas defrost to 10 rest times max
25/05/15
U302_64_EB4_216
- Moved CCOMP1_FLAG = 0 to improve comp fault debounce for auto
start
- Re-arranged ccomp1_fault_cntr code to avoid possible compiler
optimising issue