Grant Vortex Combi 26 User Manual

Combi V3, Combi Max and Vortex Combi models
34
Radiators:-
Flow temperature 70°C
Return temperature 50°C
Differential 20°C
Underfloor:-
Flow temperature 50°C
Return temperature 40°C
Differential 10°C
1 Carefully remove the packaging from the boiler
and remove it from the transit pallet.
2 Pull off the boiler front panel and remove the
literature pack.
3 Lift off the two parts of the case top and remove
the water connecting fittings.
See Fig. 20 and 20a
If the boiler is to be used with a low level balanced
flue (Yellow system) make the hole in the wall for the
flue as shown in Fig. 20a.
Note: Dimension B given in Fig. 20a includes an
extra 10 mm over the size of the terminal to provide
clearance for fitting.
5 - GENERAL BOILER INFORMATION
Fig. 20a - Low level balanced flue (Yellow system) and Starter kit (Green system)
Fig. 20 - Low level balanced flue
1 Size radiators with a mean water temperature of 60°C.
2 Design system controls with programmable room
thermostats or use weather compensating controls
to maintain return temperatures below 55°C.
The boiler should not be allowed to operate with
return temperatures of less than 40°C when the
system is up to operating temperature.
6 - BOILER INSTALLATION
Combi V3 and Combi Max
Vortex Combi 26
Vortex Combi 36
A
756
768
780
Dimension (mm)Model
B dia
127
127
162
C
110
115
105
Unpack the boiler
6.1
Low level balanced flue
6.2

Grant Vortex Combi 26 Specifications

General

Brand	Grant
Model	Vortex Combi 26
Category	Boiler
Language	English