Installation | 35
6 720 806 992 (2015/03)Greenstar
▶ Secure the hydraulics connection plate and the mounting bracket with
the mounting kits supplied.
Fig. 17 Mounting of the hydraulics connection plate and the mounting
bracket
Fig. 18 Hydraulics connection plate for heating boiler
ZBR..-3A (front view)
[1] Heating supply, R 1" NPT
[2] Gas, R 3/4" NPT
[3] Heating return, R 1" NPT
Fig. 19 Hydraulics connection plate for heating boiler
ZBR..-3A (top view)
Fig. 20 Hydraulics connection plate for combi boiler
ZWB..-3A (front view)
[1] Heating supply, R 1" NPT
[2] DHW, R 3/4" NPT
[3] Gas, R 3/4" NPT
[4] Cold water, R 3/4" NPT
[5] Heating return, R 1" NPT
Fig. 21 Hydraulics connection plate for combi boiler
ZWB..-3A (top view)
▶ Determine pipe size for the gas supply.
▶ To fill and drain the system, install a fill and drain valve at the lowest
point.
6 720 641 933-30.1O
==
6 720 641 933-89.1O
1 3/16
"
(30 mm)
7 7/8"
(200 mm)
1 2 3
==
1 31/32
"
(50 mm)
5 1/8
"
(130 mm)
10 15/64
"
(260 mm)
1 3/8
"
(35 mm)
6 720 641 933-15.1O
==
6 720 641 933-90.1O
1 3/16
"
(30 mm)
7 7/8"
(200 mm)
54321
==
1 31/32
"
(50 mm)
5 1/8
"
(130 mm)
10 15/64
"
(260 mm)
1 3/8
"
(35 mm)
6 720 641 933-14.1O
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