Honeywell Electronic Remote Temperature Controller T775J Manual do Utilizador descarregar pdf (Página 19)

T775J ELECTRONIC REMOTE TEMPERATURE CONTROLLER

63-2248—4

Table 3. Checkout Table.

Checkout Table Checkout Table Example

Heat or

Cool Load 1 Load 2

Reset

Value

Load 1

Reset

Value

Load 2

Heat or

Cool

Load 1

Heat

Load 2

Heat

Reset

Value

Load 1

Reset

Value

Load 2

Sensor

A ____

Sensor

B ____

Sensed

Temp

Sensor A

80°

Sensor B

10°

Sensed

Temp

80° Off

76° On

80°

78° Off

74° On

120° Off

116° On

80°

118° Off

80°

Setpoint B ____________ Reset Direction __________ Setpoint B 30° Reset Direction Increase

Sensor B _____________ Reset Action ____________ Sensor B

10° Reset Action Below

Reset Ratio A _________ Reset Ratio B ___________ Reset Ratio A

1 Reset Ratio B 2

FORMULA 1: FORMULA 1 EXAMPLE:

Sensor B Sensor B = 10°F

-Setpoint B Setpoint B = 30°F

Temp Diff = _______________________ Temp Diff = -20°F

FORMULA 2: FORMULA 2 EXAMPLE:

Amount of Reset =

Reset Ratio B Amount of Reset = 2 x (-20) = -40

Reset Ratio A 1

1 2 ... 14 15 16 17 18 19 20

FEATURES 1
SPECIFICATIONS 2
ORDERING INFORMATION 2
INSTALLATION 3
IMPORTANT 4
Fig. 5. Feature locations 5
24 Vac loads 6
NO COM NC 7
Device Setup 9
Device Programming 10
63-2248—4 11
DESCRIPTION/OPERATION 13
Error Messages 17
Setpoint Calibration 17
CHECKOUT 18

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