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Sequence of operation – Thermo Pride OH5-85DE User Manual

Page 20

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

BLOWER Off-

Delay Active?

Sequence of Operation

BURNER On

1. A/C Off
2. COOL mode Off
3.BLOWER Off-Delay Started
4. Status LED Off

BLOWER

= LOW

BLOWER = COOL

COOL

Mode On?

Y

Active?

On-Delay

Ended?

Yes Yes

Yes

Yes

No No No

No

DEHUM

Active?

BLOWER = LOW

1. BLOWER Off (No Delay)
2. Status LED Off

1. HEAT mode On
2. BLOWER = HEAT
3. Status LED Flashes

1. COOL mode On
2. Blower On-Delay Started
3. Condenser On
4. Status LED On (continuous)

1. FAN mode On
2. BLOWER = LOW
3. Status LED On (continuous)

G Active?

Y Active?

LIMIT

Active?

FAN Mode

On?

G

Active?

W Active?

1. HEAT mode On
2. Blower On-Delay Started
3. Burner On
4. Status LED On (continuous)

Yes Yes

Yes

Yes

Yes

Yes

No No

No

No

No

No

Yes

No

1.BURNER Off
2. HEAT mode Off
3. BLOWER Off-Delay Started
4. Status LED Off

No

W

Active?

LIMIT
Active?

On-Delay

Ended?

No

No

No

Yes

Yes

Yes

Yes

HEAT

Mode On?

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