Danfoss FH-WC 24V Installation guide

FH-WC 24V Hardwired Underfloor Heating Connection Box

Installation Instructions

	Specification	FH-WC		Mounting
	Code number	088H0131
	Hard-wired control box for	●
	underfloor heating
	Number of zone outputs for	10
	thermal actuators
	Maximum number of actuator	1
	per zone
	Zone outputs - voltage	24Vac
	Zone outputs-	3W
	max rating
	Night set-back channels (1)	2
	Voltage free relay output for	2 x SPST
	interlocks
	Voltage rating of interlock relay	230 Vac, 50 Hz
	Current rating of interlock relay	2 Amps, inductive
	Power supply	230 Vac, 50 Hz
	Max ambient temperature	50°C
	Dimensions, mm	314w x 110h x 61d		Cable Access: Thermostats, Interlock and Mains
	(1) Night set-back requires separate time control
	FH-WC Hard Wired Box

System Schematic									Cable Access: Thermal Actuators
		ROOM THERMOSTATS

FH-WC WIRING BOX

	Mains in
THERMAL	Interlock
ACTUATORS	Interlock
	MANIFOLD

Zone 1

Zone 2

Zone 3

1

Wiring Connections

System 1: basic system without time control

System 2: system with programmable	System 3: system with 2 channel centralised
room thermostats	night set-back

TP5000

RET24NSB

Zone 1 of FH-WC	Zone 1 of FH-WC
(repeated for other zones)	(repeated for other zones)

Replacing Wiring Box Cover

Danfoss Randall can accept no responsibilty for possible errors in catalogues, brochures and other printed material. Danfoss Randall reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequent changes being necessary in specifications already agreed.

Danfoss Randall Limited,

Ampthill Road,

Bedford, MK42 9ER

Telephone: [phone] Fax: [phone]

Email: [e-mail]

Website: www.danfoss-randall.co.uk

2	Part No: 90086 Iss: 01 06/05