Baxi POWER HT+ Series Installation And Service Manual

5
5.7.3 Connection diagram: Boilers in cascade + 1 direct circuit + 1
underfloor heating circuit + 1 domestic hot water tank
Fig.33 Boilers in cascade + 1 direct circuit + 1 underfloor heating circuit + 1 domestic hot water tank
MW-3000020-01
T
30
38
38
31
9
16
24
25
T
T
T
S
9
123
27
26
33
44
61
9
9
932
35
30e
2727
9
117
27
34
27
34
6564
7
3
7
18
27
9
3
2
Heating pump direct circuit
3
4 bar safety valve (0.4 MPa)
7
Automatic air vent
9
Isolation valve
16
Closed expansion vessel
18
Filling the heating circuit
24
Domestic hot water tank exchanger primary inlet
25
Primary exchanger outlet domestic hot water tank
26
DHW load pump
27
Non-return valve
30
Calibrated and sealed safety unit
30e
Drain valve
31
Independent domestic hot water tank
33
Domestic hot water temperature sensor
35
Low-loss header
38
Remote control with or without room temperature
sensor
44
Safety device to safeguard against overheating of
the underfloor heating system, in accordance with
prevailing regulations
61
Thermometer
64
Direct heating circuit (example: radiators)
65
Heating circuit with mixing valve, may be low tem
perature heating circuit (underfloor heating or radia
tors)
85
Modulating boiler pump
93
Underfloor heating circuit heating pump
117
3-way mixing valve
123
Cascade return sensor
124
Cascade flow sensor
5 Before installation
7609474 - v02 - 04092014 35

Baxi POWER HT+ Series Specifications

General

Brand	Baxi
Model	POWER HT+ Series
Category	Boiler
Language	English