Worcester 35CDi User Manual

Supplied By www.heating spares.co Tel. 0161 620 6677
5
PERFORMANCE SPECIFICATIONS
PRIMARY WATER CAPACITY 3.0 litres
MAXIMUM MAINS INLET PRESSURE 10 bar
MINIMUM MAINS INLET PRESSURE (working) for max. hot water flow 1.3 bar
MINIMUM MAINS INLET PRESSURE (working) to operate appliance 0.8 bar
MAXIMUM CENTRAL HEATING FLOW TEMPERATURE 82°C nom
MAXIMUM CENTRAL HEATING SYSTEM SET PRESSURE 1.5 bar
MINIMUM CENTRAL HEATING SYSTEM PRESSURE 0.45 bar
DOMESTIC HOT WATER TEMPERATURE RANGE 50 - 62°C
OUTPUT TO DOMESTIC HOT WATER NATURAL GAS (G20) 9.0 - 35.17 kw
LPG - PROPANE (G31) 12.9 - 35.17 kw
OUTPUT TO CENTRAL HEATING NATURAL GAS (G20) 9.0 - 25.0 kw
LPG - PROPANE (G31) 12.9 - 25.0 kw
DOMESTIC HOT WATER SPECIFIC RATE AT 35° RISE 16.7 l/min
MAXIMUM DOMESTIC HOT WATER FLOW RATE FROM APPLIANCE AT 40° RISE 12.6 l/min ±15%
NOx CLASSIFICATION Class 3
MAXIMUM FLUE GAS MASS FLOW RATE 129.5 kg/h
SEDBUK NUMBER 78.9%
SEDBUK BAND D
Table 5
DOMESTIC HOT WATER - TEMPERATURE RISE
DISCHARGE RATE l/min 10 11 12 13
TEMPERATURE RISE °C 50 45.5 41.5 38.5
Table 6
GAS SUPPLY SYSTEM - BASED ON NG (G20)
TOTAL LENGTH OF GAS SUPPLY PIPE meters
369
GAS DISCHARGE RATE m3/h PIPE DIAMETER mm
8.7 5.8 4.6 22
18.0 12.0 9.4 28
Table 7
CLEARANCES (mm)
INSTALLATION SERVICE
ABOVE APPLIANCE 35 35
IN FRONT OF APPLIANCE 600 600
BENEATH APPLIANCE 200 200
RIGHT AND LEFT HAND SIDE 25 5*
Table 8
* If a Side Flue Connection is made then this service clearance must be 25mm at that side.
SYSTEM CAPACITY
TOTAL SYSTEM VOLUME litres
INITIAL INITIAL CHARGE PRESSURE bar
PRESSURE bar 0.5 1.0 1.5
1.0 72 92 -
1.5 39 53 64
Table 9

Worcester 35CDi Specifications

General

Model	35CDi
Output	35kW
ERP Rating	A
Domestic Hot Water Output	35kW
Max Working Pressure	3 bar
Fuel Type	Natural Gas