WaterFurnace Envision Hydronic (NSW) - Manual (Page 36)

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NSW INSTALLATION MANUAL
Inputs and Outputs Configuration
Field Selectable Options
Load and Source Freeze Detection Setpoint
The freeze detection setpoint input allows you to
adjust the freeze detection setpoint for either the load
or source sides of the heat pump. When the jumper
is installed on BI-5 the load freeze detection setpoint
is factory set for 30°F. When the jumper on BI-5 is
removed the load freeze detection setpoint will be 15°F.
When the jumper is installed on BI-4 the source freeze
detection setpoint is factory set for 30°F. When the
jumper on BI-4 is removed the source freeze detection
setpoint will be 15°F. NOTE: Piping circuit must be
antifreeze protected to the set levels or the warranty
will be voided.
Accessory Output
The Accessory Outputs will be energized 90 seconds
prior to the compressor output being energized. When
the compressor output is turned off the accessory
outputs will be deactivated immediately. The outputs
are selectable for normally open or normally closed
operation through the Medium User Interface or through
the Building Automation System.
Control Accessories
• A99 Sensor
• MUI (LCD User interface) for diagnostics
and commissioning
• MUIK3 - Panel Mount, Portable
• MUIK4 - Wall Mount
Optional Controls - FX10 cont.