Xylem MOH2 Multi zone mixing module (obsolete) - Manual (Page 2)

2
Installation and operation manual MOH2
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Control
1 Circulator pump
2 Floor heating loop feed side
3 Floor heating loop return side
4 Control valve
5 Presetting knob for control valve
6 Bypass valve
7 Check valve for filling of floor hea-
ting loops
8 Boiler loop feed side
9 Boiler loop return side
10 Ball valve boiler loop feed side
11 Ball valve boiler loop return side
12 Fill valve
13 Drain valve
14 Sensor position for floor heating
loop feed temperature
15 Sensor position for floor heating
loop return temperature
16 Sensor position for safety tempe-
rature
17 Sensor position for boiler feed
temperature
18 Plug for calorimeter dip tube
19 Automatic air purger
Design MOH2 base module Schematics
19
2
7
14
5
6
3
15
13
18
17
1
4
9
11
8
10
16
12