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arrow Snow Melt Function Comparison

Control Functions

type

362
Mode2

650

664

665

667

Snow Melting Operation

 

 

 

 

 

 

Cold Weather Cut Off

 

M

M

M

M

M

Minimum Melting Time

 

M

M

M

M

M

On Time

 

M

M

A/M

A/M

A/M

Remote Enable

 

dot

dot

dot

dot

dot

Slab Outdoor Reset

 

dot

dot

dot

dot

dot

Snow / Ice Detection

     

dot

dot

dot

Idling Setpoint

 

M

M

M

M

M

Melting Setpoint

 

M

M

M

M

M

Viscosity Compensation

 

dot

 

dot

 

dot

Warm Weather Cut Off

 

A

A

A

A

A

Water Detection Sensitivity

     

A/M

A/M

A/M

Number of Zones

 

1

1

2

1

1

Zone Priority

     

dot

   

Mixing Operation

 

 

 

 

 

 

Floating Action Output

 

dot

 

dot

   

Modulating Output (4 - 20 mA)

     

dot

   

Pulse Width Modulation

   

dot

 

dot

 

Variable Speed Output

 

dot

 

dot

 

dot

System Protection

 

 

 

 

 

 

Boiler Minimum Return

 

M

 

M

 

M

Exercise

 

dot

dot

dot

dot

dot

Integrated Exercising

 

dot

 

dot

dot

dot

Maximum System Supply

 

M

 

M

 

M

Maximum System Delta T

 

M

 

M

 

M

Display

 

 

 

 

 

 

Temperature Display

 

dot

dot

dot

dot

dot

Usage Display

 

dot

 

dot

dot

dot

Other

 

 

 

 

 

 

Alarm Output

 

tN2

 

tN2

tN2

tN2

Auto Test

 

dot

 

dot

dot

dot

Error Messages

 

dot

dot

dot

dot

dot

Function Indicators

 

dot

dot

dot

dot

dot

Locking Cover

 

dot

 

dot

dot

dot

Plug In System

 

dot

 

dot

dot

dot

A = Automatic Adjustment, F = Fixed, M = Manual

 

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