Supplied By www.heating spares.co Tel. 0161 620 6677
4 General Requirements
Fig. 4.6: Pump specifications 37 kW
4.8.7 System by-pass
An automatic system by-pass is included within the
boiler. The boiler is suitable for use in systems with
thermostatic radiator valves and no additional by-pass is
required.
4.8.8 Venting
The boiler is fitted with an automatic air vent. Additional
provision should be made to enable the heating system
to be vented during filling and commissioning either by
automatic air vents or manually.
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
50
100
150
200
250
300
350
400
450
500
550
600
650
700
Volume flow [l/min]
Lift [mbar]
Pump switch in position III (pre-delivery setting)
Pump switch in position II
1500
1600
1700
Instructions for Installation and Servicing turboMAX plus and thermoCOMPACT R1
14
4.8.6 Circulating pump
The circulating pump is included in the boiler. The pump
head available for the heating system is shown in
fig. 4.6.
Fig. 4.6: Pump specifications 12-28 kW
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
50
100
150
200
250
300
350
400
450
500
550
600
650
700
Volume flow [l/hr]
Lift [mbar]
Pump switch in position III (Factory setting)
Pump switch in position II
Vessel Volume [L]
Initial system pressure (bar)
1.0
1.5
Pressure relief valve setting (bar)
3.0
Total water content of system ltres
25
2.7
3.9
50
5.4
7.8
100
10.9
15.6
125
13.6
19.5
150
16.3
23.4
175
19.1
27.3
200
21.8
31.2
225
24.5
35.1
250
27.2
39.0
275
30.0
42.9
300
32.7
46.8
325
35.7
50.7
350
38.1
54.6
375
40.9
58.5
400
43.6
62.4
425
46.3
66.3
450
49.0
70.2
475
51.8
74.1
500
54.5
78.0
For system volumes other than those given
above, multiply the system volume by the
factor across
0.109
0.156
