Comparison Chart

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Blue dots are DSL series Red dots are Commercial series Green dots are Residential series

Click on above headings for general information or click below, within the chart for exact model information.

FEATURE/MODEL 100 150 200 300 345 400 450 600 700 SHC-7 SHP-2 SMS-1 SC-1 SK-3 SHP-1
Heat Only

Cool Only

Heat Pump

1 Heat/1 Cool

2 Heat/1 Cool

2 Heat/2 Cool

3 Heat/2 Cool

O & B terminals

Auxiliary Heat LED

On/Auto Fan
5-2 Day Programming

7 Day Programming

4 Events per day

2-4 Events per day

Locked cover
Electric Keypad Lockout
C/F Conversion
Manual Setback
(Day/Night Key)

Pleneum Fan Switch

Remote Clock terminals

12 or 24hr clock

Daylight Saving time function

Adjustable Balance Point
(ODT Option)

Smart Fan

Temporary Override

Continuos Override

2 Unassigned LED indicators

LCD Service Symbols Selectable

Outdoor Temp. Sensor

Indoor Remote Temp. Sensor

Triac Outputs

Relay Outputs

Independent Circuit Switching

1 C Minimum Heat/Cool Seperation

Built-in Anticipation & Droop
Minimum On/Off Times
(2 or 4 minute selectable)
Short Cycle protection
Occupied Terminal Output

Large Case
(114mm x 127mm x 22mm D)

Small Case
(114mm x 102mm x 22mm D)

Auto Changeover

2 Wire

3 Wire

4 Wire

5 Wire

6 Wire

7 Wire

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