Worcester Highflow 400 RSF Installation And Servicing Instructions page 6

Table 4
BOILER OUTPUT
kW
8.8
11.0
13.0
HEATING 15.0
RANGE 17.0
19.0
21.0
23.0
24.0
Table 5: Nominal Weight of Appliance
DRY WEIGHT OF APPLIANCE
PACKAGED WEIGHT OF APPLIANCE
MAXIMUM INSTALLATION WEIGHT
Table 6:
CENTRAL HEATING FLOW
CENTRAL HEATING RETURN
COLD WATER MAINS INLET
DOMESTIC HOT WATER OUTLET
GAS INLET
PRESSURE RELIEF VALVE DRAIN CONNECTION
OVERALL CASING HEIGHT
OVERALL CASING WIDTH
OVERALL CASING DEPTH
Table 7
PRIMARY CAPACITY INCLUDING HEATBANK
MAXIMUM INLET DOMESTIC WATER PRESSURE
MINIMUM INLET DOMESTIC WATER PRESSURE (WORKING)
FOR MAXIMUM HOT WATER FLOW
MINIMUM INLET DOMESTIC WATER PRESSURE (WORKING)
TO OPERATE THE APPLIANCE
MAXIMUM CENTRAL HEATING FLOW TEMPERATURE
MAXIMUM STATIC HEAD – PRIMARY
MINIMUM STATIC HEAD – PRIMARY
OUTPUT TO DOMESTIC HOT WATER
OUTPUT TO CENTRAL HEATING
MAXIMUM DOMESTIC HOT WATER FLOW RATE FROM THE APPLIANCE
EQUIVALENT HOT WATER FLOW RATE FROM THIS APPLIANCE TO GIVE
30°C RISE (SPECIFIC RATE)
AVAILABLE PUMP HEAD
HEAD
Btu/h Metres
(30,000) 6.1
(37,000) 5.4
(44,350) 4.9
(51,200) 4.2
(58,000) 5.3
(64,800) 4.85
(71,500) 4.4
(78,500) 5.2
(82,000) 5.0
96kg (212lb)
98kg (216lb)
156kg (344lb)
SPECIFICATIONS
SPECIFICATIONS
MIN. FLOW RATE
Feet L/min. Gal/Min.
20.0 11.5
17.5 14.0
16.0 17.0
13.5 19.5
17.0 15.0
16.0 17.0
14.5 19.0
17.0 16.0
16.5 16.5
Nominally 18.0 l/min. ± 15% (3.96 gall/m)
6
TEMPERATURE RISE
ACROSS HEATING
FLOW AND RETURN
2.5
3.1
11°C (20°F)
3.7
4.3
3.3
3.7 16°C (24°F)
4.2
3.5
21°C (38°F)
3.6
22 mm Copper Tube
22 mm Copper Tube
15 mm Copper Tube
22 mm Copper Tube
22 mm Copper Tube
22 mm Copper Tube
860 mm (33.8 in.)
600 mm (23.6 in.)
600 mm (23.6 in.)
60 Litres (13.2 galls.)
10 Bar (150 psi)
1.0 Bar (15.0 psi)
0.1 Bar (1.5 psi)
Nominally 82°C (180°F)
30m (97ft.)
1.0m (3.3ft.)
24.0kW (82,000 Btu/h)
8.8 to 24.0kW (Adjustable)
(30,000 to 82,000 Btu/h)
20 l/min. (4 gall/m)