Equipment control – Honeywell EXCEL 10 W7752D User Manual

Page 30

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EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE

EN2B-0285GE51 R0909

28

Equipment Control

The available options for equipment control configurations with the default values shown are listed in the following table. See

section "Configurations" on page 12 for more information about parameters.

Table 18. FCU Controller equipment control configuration options

function

configuration options

default

output 1 fan interlock

enabled / disabled

disabled

output 2 fan interlock

enabled / disabled

disabled

output 1 valve direction

1

direct / reverse

direct

output 2 valve direction

1

direct / reverse

direct

output 1 min. stage OFF time

0 to 600 seconds

90 s

output 2 min. stage OFF time

0 to 600 seconds

90 s

output 1 valve run time/PWM

period/min. stage ON time

floating - valve run time (20 to 600 seconds)

PWM - cycle time (20 to 600 seconds)

1, 2, and 3-stage – min. ON time (0 to 1200 seconds)

150 s

output 2 valve run time/PWM

period/min. stage ON time

floating - valve run time (20 to 600 seconds)

PWM - cycle time (20 to 600 seconds)

1, 2, and 3-stage – min. ON time (0 to 1200 seconds)

150 s

reheat switching level

0 to 100%

100%

reheat hysteresis

0 to 100%

5%

PWM zero position

2

0 to 100%

0%

PWM full position

2

0 to 100%

100%

Notes:

1. Valve action settings apply to floating, PWM, or thermal types.

2. Settings apply to both actuators if both are PWM.


Fan

Available options for fan control are listed in the following table. See section "Configurations" on page 12 for more information

about parameters.

Table 19. FCU Controller fan configuration options

function

configuration options

default

fan occupancy mode

continuous during occupied mode;

automatic, based on control algorithm

automatic

fan min. ON time

1

0 to 1200 seconds

0

fan min. OFF time

1

0 to 1200 seconds

0

fan run-up time

1

(with fan interlock only) 0 to 600 seconds

0

fan overrun time

1

(with fan interlock only) 0 to 600 seconds

0

Notes:

1. Fan run time options apply to all fan speeds.



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