WaterFurnace Envision Hydronic - Manual (Page 35)

35
NSKW 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 -1.1°C. When the jumper on
BI-5 is removed the load freeze detection setpoint will
be -9.4°C. When the jumper is installed on BI-4 the
source freeze detection setpoint is factory set for -1.1°C.
When the jumper on BI-4 is removed the source freeze
detection setpoint will be -9.4°C.
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.