Envision controls cont, Envision console - 50 hz installation manual, Logic board dip switch settings – WaterFurnace Envisio Series Console User Manual
Page 29: Normal control timing operational logic, Test control timing, Diagnostic modes
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ENVISION CONSOLE - 50 HZ INSTALLATION MANUAL
Envision Controls cont.
Mode
Inputs
Blower
Comp
RV
Htg
Y
ON
ON
OFF
Clg
Y,O
ON
ON
ON
Blower
G
ON
OFF
OFF
Switch
OFF
ON
SW1 - 1
Test - Selected timings sped up to facilitate troubleshooting
Normal - Standard timings
SW1 - 2
Loop - Closed loop freeze detection setting (-9°C)
Well - Open loop freeze detection setting (-1°C)
SW1 - 3
Commercial - Enables NS features when TA32U02 thermostat is used
Normal - Standard thermostat operation
SW1 - 4
IO Display* - Enables Input/Output display on external LED board
Normal* - Unit status display
SW1 - 5
Configures board for 2-speed compressor without blower
Configures board for 2-speed compressor with blower
Logic Board DIP Switch Settings
Blower off delay
30 seconds
Compressor on delay
10 seconds
Short cycle delay
5 minutes
Miniumum compressor on time
2 minutes (except for fault condition)
High pressure fault recognition delay
Less than 1 second
low pressure fault recognition delay
30 seconds
Freeze detection fault recognition delay
30 seconds
Condensate overflow fault recognition delay
30 seconds
Low pressure fault bypass delay
2 minutes
Freeze detection fault bypass delay
2 minutes
Power on delay
5 minutes
Normal Control Timing
Operational Logic
Blower off delay
5 seconds
Compressor on delay
2 seconds
Short cycle delay
15 seconds
Miniumum compressor on time
5 seconds (except for fault condition)
High pressure fault recognition delay
Less than 1 second
low pressure fault recognition delay
30 seconds
Freeze detection fault recognition delay
30 seconds
Condensate overflow fault recognition delay
30 seconds
Low pressure fault bypass delay
0 seconds
Freeze detection fault bypass delay
0 seconds
Power on delay
15 seconds
Fault off time
5 minutes
Test Control Timing
LED
Current Fault Status
SW1 - #4 On, SW2 On
Inputs
SW1 - #4 Off, SW2 Off
Outputs
SW1 - #4 Off, SW2 On
Drain
Drain pan overflow
Y
Compressor
Water Flow
FS thermistor (loop <-9°C, well <-1°C)
G
Blower
High Press
High pressure >4130 kPa
O
O
Low Press
Low pressure <275 kPa
ES
ES
Air Flow
Not used
NS
NS
Status
Not used
LS
LS
DHW Limit
Not used
Not used
Not used
HWD
SW2 in the On position
Off position
On position
Diagnostic Modes
Control Tables for Optional Versatec Microprocessor