Page 12 of 14

Issue 0902

Figure 10

DIAGNOSTIC DISPLAY

Mode

Green LED

Red LED

 

 

 

No Power to Board

Off

Off

 

 

 

Normal Operation/ Power to Board

Simultaneous Slow Flash

 

 

 

Anti-Short Cycle Lockout

Alternating Slow Flash

 

 

 

Low Pressure Switch Fault

Off

Slow Flash

 

 

 

Low Pressure Switch Lockout

Off

On

 

 

 

High Pressure Switch Fault

Slow Flash

Off

 

 

 

High Pressure Switch Lockout

On

Off

 

 

 

Note: Because the pressure switches are monitored only when "Y1" (Input) is active, the code for pressure switch open will not be seen when "Y1" is off. Instead, the

“Normal Operation" or “Anti-Short Cycle Lockout” code will be seen.

When a pressure switch opens and causes a short cycle lockout, the pressure switch-open code will be seen until it closes, then the short cycle lockout code will flash unless it has already expired.

BLOWER SPEED CHART

 

Fact ory Shipped Set t ings

Unit

 

 

 

 

ADJUST

HEAT

COOL

 

 

 

 

24

NORM

B

B

 

 

 

 

30

NORM

A

A

 

 

 

 

36

NORM

A

A

 

 

 

 

42

NORM

C

C

 

 

 

 

48

NORM

B

B

 

 

 

 

60

NORM

A

A

 

 

 

 

NOTE - If any of the original wire is replaced, the same size and type wire must be used. Use copper conductor only, min. 75°C wire.

WARNING - Electric shock hazard. Unit must be grounded in accordance with national and local codes.

Line voltage field installed.

W1 & W2 can be used to stage electric heat accessory on 15 & 20kW models.

5, 7.5, & 10kW heater accessories function off W1 only.

506248-01

DIAGNOSTIC

MODULE

CONNECTION MUST BE

2JUMPERED WHEN PRESSURE SWITCH IS NOT USED.

Connection Diagram

Single Phase – Variable Speed Motor

P/N 48374-001

Page 12
Image 12
Allied Air Enterprises 4)PHP(13, (2, 15) warranty Connection Diagram Single Phase Variable Speed Motor, Adjust Heat Cool

15), (2, 4)PHP(13 specifications

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