Crown CSHB60-90XE operation manual CFM Tables, Heating Speed Set-ups, Cooling Speed Set-ups

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All installations and services must be performed by qualified service personnel.

F. CFM TABLES

The following tables contain blower speed settings and their respective air flowrates for the ECM blower motor. To change air flowrates from that of the shipped settings, use the respective SW1 dipswitch on the furnace’s integrated control board (see Figure 2).

CSHB60-90XE

Heating Speed Set-ups

 

 

 

Low Fire

Med Fire

High Fire

 

 

BTUH

60,000

72,000

90,000

 

Fan

 

 

 

 

 

Control

 

 

 

 

 

SW 1

 

 

 

 

 

Switch

Heating

Aprox. Rise

Aprox. Rise

Aprox. Rise

 

Settings

CFM

(F0 )

(F0 )

(F0 )

 

3-OFF

740

75o

80o

 

 

2-OFF

 

 

 

 

 

 

 

1-OFF

 

 

 

 

 

3-OFF

812

68o

82o

 

 

2-OFF

 

 

 

 

 

 

 

1-ON

 

 

 

 

 

3-OFF

883

63o

76o

84o

 

2-ON

 

 

 

 

 

 

1-OFF

 

 

 

 

Factory

3-OFF

968

57o

69o

86o

SW1

2-ON

Setting

 

 

 

 

1-ON

 

 

 

 

 

3-ON

1054

 

63o

79o

 

2-OFF

 

 

1-OFF

 

 

 

 

 

3-ON

1153

 

58o

72o

 

2-OFF

 

 

 

 

 

 

1-ON

 

 

 

 

 

3-ON

1267

 

 

66o

 

2-ON

 

 

 

 

 

 

 

1-OFF

 

 

 

 

 

3-ON

1424

 

 

58o

 

2-ON

 

 

 

 

 

 

 

1-ON

 

 

 

 

 

 

 

Recommended Heating Speed Setting

 

 

 

 

 

 

 

 

 

Cooling Speed Set-ups

 

 

 

 

Air Flow

 

Fan

 

 

 

 

Control

 

 

 

 

SW 1

 

 

 

 

Switch

 

 

 

 

Settings

Clg. Tonage

Cool

Continous

 

6-OFF

2

799

500

 

5-OFF

 

 

 

 

 

4-OFF

 

 

 

 

6-OFF

2.5

1017

508

 

5-OFF

 

 

 

 

 

4-ON

 

 

 

 

6-OFF

3

1210

605

 

5-ON

 

 

 

 

 

4-OFF

 

 

 

 

6-OFF

3.5

1404

702

 

5-ON

 

4-ON

 

 

 

Factory

6-ON

 

 

 

SW1

4

1622

799

5-OFF

Setting

 

 

 

4-OFF

 

 

 

 

 

 

 

 

6

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Contents Model Index Section Beginning EAC Wiring & Switches Board Layout with SwitchesOutputs Operating Modes Blower Delay Cooling Speed Set-ups CFM TablesHeating Speed Set-ups Symptom CAUSE/PROCEDURE II. ECM Trouble Shooting A. Diagnostc FeaturesGeneral Guidelines to Troubleshooting GE ECM Driven Systems Excessive noise Evidence of MoisturePerform Moisture Check DON’TTroubleshooting Charts Comfort CheckYES Is There Supplied to MOTOR? Disconnect 16 PIN Sequence of Operation ECM PSC Replacement