INSTALLER
26
g
NK
boilers are designed and made for use in central heating installations and for domestic hot water production.
Water fittings are as specified below:
DESCRIPTION
MODEL
g
NK
3/100
4/100
5/100
6/100
7/100
8/100
3/60
4/60
A
300
225
mm
B
117
mm
C
530
mm
D
267
189
mm
E
65
mm
F
267
189
mm
MI (CH flow)
1"1/4 F
Ø
RI (CH return)
1"1/4 F
Ø
US (DHW outlet)
3/4" M
Ø
RC (DHW recirculation)
3/4" F
Ø
ES (domestic cold water inlet)
3/4" M
Ø
ES
RC
US
MI
RI
g
60 NK
A
A
B
C
D
E
F
IMPORTANT!
To avoid damage to the boiler, while the burner is functioning there must be a minimum water flow rate of about 25 %
maximum flow rate with ∆T= 10°C. Use a suitable recirculation pump if necessary. Water return temperature in conti-
nuous service must be >40°C.
RC
ES
US
MI
RI
g
100 NK
A
B
C
A
D
E
F
Rear view
Rear view
Содержание Tregi 3/100 NK
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