Grant COMBI 70 MkII User Manual

Combi 70 & Combi 90 Oil Boilers
6
Flow - 22 mm copper pipe, Return - 1" BSP
15 mm copper pipe
15 mm copper pipe
15 mm copper pipe
100 mm (4 in) diameter
26.5 mbar
9.5 mbar
75 to 85°C
111°C ± 3°C
1.0 bar
0.5 bar
2.5 bar
12 litres (pre-charged at 1.0 bar)
2.5 bar
3.0 litres/min (0.66 gal/min)
65°C (factory set)
8.0 bar
2.5 bar
Less than 50°C
230/240 V ~ 50 Hz Fused at 5 Amp
90 W max.
2.60 Amp
0.85 Amp
¼" BSP Male (on end of flexible fuel line)
Minimum flue draught - 8.7 N/m² (0.035 in wg)
Maximum flue draught - 37 N/m² (0.15 in wg)
Combi 70
80
17.6
158
348
22.0
75 000
77 litres
* Weight includes burner but excludes flue
Boiler technical data
2.1
2 - BOILER TECHNICAL INFORMATION
Model
Boiler water content litre
gal
* Weight (dry) kg
lb
Max. heat input (Kerosene) kW
Btu/h
Connections: Heating flow and return
Cold water mains inlet
Domestic hot water outlet
Pressure relief valve discharge
Flue size (conventional)
Waterside resistance Flow/Return temp. diff. of 10°C
Waterside resistance Flow/Return temp. diff.of 20°C
Boiler thermostat range
Limit (safety) thermostat switch off temp.
Maximum heating system pressure (cold)
Minimum heating system pressure (cold)
Pressure relief valve
Expansion vessel
Maximum heating system volume
Maximum operating pressure
Minimum domestic hot water flow rate
Maximum domestic hot water temperature
Maximum mains water inlet pressure
Minimum recommended mains water inlet pressure
Max. hearth temperature
Electricity supply
Motor power
Starting current
Running current
Oil connection
Conventional flue
Combi 90
40
8.8
158
348
27.6
94 200
117 litres

Grant COMBI 70 MkII Specifications

General

Brand	Grant
Model	COMBI 70 MkII
Category	Boiler
Language	English