ENVI
®
Control
2
1.0
ENVI
®
BOILER CONTROL ...................................................................................................................... 3
1.0
Operation of the ENVI Control ...................................................................................................................................... 5
1.1
ENVI
®
control flow chart ................................................................................................................................................ 6
1.2
Menu Screen ................................................................................................................................................................. 7
1.3
Boiler Status Screen ..................................................................................................................................................... 7
1.4
Information Menu .......................................................................................................................................................... 8
1.5
Errors Menu ................................................................................................................................................................ 10
1.6
Program Parameters Menu ......................................................................................................................................... 11
1.6.1
Initial Setup of the Control .................................................................................................................................. 11
1.6.2 CH Settings .......................................................................................................................................................... 12
1.6.2
CH Modes ........................................................................................................................................................... 14
1.6.3
DHW Settings ..................................................................................................................................................... 20
1.6.4
DHW Modes ........................................................................................................................................................ 21
1.6.5
Boiler Settings ..................................................................................................................................................... 22
1.6.6
OEM SETTINGS ................................................................................................................................................. 23
1.7
Configuration Menu: .................................................................................................................................................... 23
1.8
CASCADE MENU: ...................................................................................................................................................... 24
1.8.1
Cascade setup .................................................................................................................................................... 24
1.8.2
Control Mode ...................................................................................................................................................... 24
1.8.3
Master Settings ................................................................................................................................................... 25
1.8.4
Master Modes ..................................................................................................................................................... 26
1.8.5
Cascade Settings ................................................................................................................................................ 33
1.9
Service Menu: ............................................................................................................................................................. 38
2.0
TROUBLESHOOTING ........................................................................................................................... 39
2.0.1
Troubleshooting Table ........................................................................................................................................ 39
2.0.1
The Loss of Power .............................................................................................................................................. 39
3.0
APPENDIX
–MODBUS
®
INTERFACE .................................................................................................... 43
3.0.1
Descriptions of MODBUS
®
Register Map ........................................................................................................... 44
3.0.2
Boiler State ......................................................................................................................................................... 45
3.0.3
Information Byte .................................................................................................................................................. 45
3.0.4
Sequence Byte .................................................................................................................................................... 45
4.0
MODBUS CONFIGURATION ................................................................................................................. 48
