Honeywell W7752D specifications Output

EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE

Output

The available options for output configurations with the default values shown are listed in Table 16. See section "Configurations" on page 12 for more information about parameters.

Table 16. FCU Controller output configuration options and default configurations

	function	configuration options	default configuration			default configuration
			W7752				W7754
	model		D,F	E,G,J	K4	L	M	N	P
	system type	2-pipe (1 valve)	4-pipe	4-pipe	4-pipe		2-pipe	4-pipe
		4-pipe (2 valves)
		no fan
	fan type	1-speed fan	3-speed	3-speed			3-speed
		2-speed fan
		3-speed fan
	relay 4	reheat
		network control (free use)	reheat	not used		not used			reheat
	(reheat relay)
		not used
	output 1	not used
		cooling
	(triac 1 and 2)3		heating	heating			heating
	control1	heating
		heat/cool changeover
		floating
		floating-mid2
	output 1	1-stage				ther-		ther-
	(triac 1 and 2)3	2-stage	floating	floating	PWM		floating		floating
	type	3-stage				mal		mal
		PWM
		thermal
	output 2	not used
		cooling
	(triac 3 and 4)3		cooling	cooling			cooling
	control1	heating
		heat/cool changeover
		floating
		floating-mid2
	output 2	1-stage						ther-
	(triac 3 and 4)3	2-stage	floating	floating	thermal		floating		floating
	type	3-stage						mal
		PWM
		thermal
Notes:

1.The output mode settings apply only to a 4-pipe system. In a 2-pipe system, output 1 will always operate in the changeover mode.

2.The floating-mid option is for changeover applications, only, and uses only one of the two outputs.

3.The operation of the triacs based upon the output type is given in Table 12 on page 21 and in Table 14 on page 23.

4.W7754K1001 is equipped with a low-voltage digital output suitable for connection to a solid-state relay employed for low- voltage PWM control in high-current electric reheat applications; this digital output is activated if output 1 type is set to either "PWM" or "thermal".

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