Multi-Stage Thermostat
505MST/M
for
MK3 HST
Instruction Manual
Contents
Introduction...........................................................................................2
System control.......................................................................................2
Temperature setpoints...........................................................................2
Lower level damper solenoid................................................................5
Sensor....................................................................................................6
Installation.............................................................................................7
Test and calibration...............................................................................8
System layout diagram..........................................................................9
System connection diagram.................................................................10
Internal board layout diagram..............................................................11
Sensor dimensional drawing...............................................................12
Technical Specification.......................................................................13
Ordering information...........................................................................15
Supplier information...........................................................................15
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