INSTOMAX
TM
Integrated instantaneous water heater installation, use and care manual
(Revision Sept 2013)
,
Page
2.
Section 1: Technical specifications
Table 1: Boiler / heater specification 240*V/1PH (2 leads2) :
Suggested
conductor size
Model
Input
Heating
Current
draw
at 240V**
Suggested
fuse
kW/Mbtu
Elements
à 240v
cu
al
size**
INSTOMAX 4.5
4,5 / 15,3
1 x 4,5kW
19
12
10
25
INSTOMAX 6
6 / 20.5
1 x 6kW
25
8
6
40
INSTOMAX 7.5
7,5 / 25,6
1x4.5+1x3kW
31
8
6
40
INSTOMAX 9
9 / 30,7
2x4,5kW
38
8
6
50
INSTOMAX 12
12 / 41
2x6kW
50
6
6
70
*Can also be connected to a 208V/1ph source. This would provide 75% of the nominal capacity at 240V
**Suggested. Local code, regulations and authority having jurisdiction may require different wiring and
fuses.
Maximum operating pressure on the tank: 207kPa / 30psi
Tank temperature range : 10
o
C to 90
o
C (50
o
F to 190
o
F)
Table 2 : Dimensions:
Height : 1537mm (60-1/2’’)
With : 559mm (22’’)
Depth : 648mm (25-1/2’’)
Water connections :
o
Supply fresh water inlet : 3/4"NPT Fem.
o
Domestic hot water outlet : 3/4"NPT Fem.
o
Expansion tank outlet : 1/2"NPT M.
