WaterFurnace Envision Low Sill - Manual (Page 28)

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ENVISION LOW SILL CONSOLE INSTALLATION MANUAL
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 (15°F) Well - Open loop freeze detection setting (30°F)
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
Minimum 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
Minimum 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 FD thermistor (loop <15°F, well <30°F) G Blower
High Press High pressure >600 psi O O
Low Press Low pressure <40 psi ES ES
Air Flow Not used Not Used Not Used
Status Not used Not Used Not Used
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