Baxi UBVT 200 DC Installation, User And Service Manual page 18

4. Installation
17
3-bar safety valve
3
Pressure gauge
4
Automatic air vent
7
Manual bleed valve
8
Isolating valve
9
3-way mixing valve
10
Heating pump
11
Pump with automatic electronic control for direct heating
11a
circuit (must be connected to M AUX on the boiler panel)
Pump for heating circuit with mixing valve (must be
11b
connected to M on the valve option board - box FM 48)
Flush valve
13
Expansion vessel
16
Drain cock
17
Heating circuit filling (with disconnector depending on
18
prevailing regulations)
Outside temperature sensor
21
Mixing valve outlet temperature sensor
23
DHW calorifier exchanger primary inlet
24
DHW calorifier heat exchanger primary outlet
25
DHW pump
26
Non-return valve
27
Antithermosiphon valve
27a
Domestic cold water inlet
28
Pressure reducer
29
Safety unit
30
D.H.W. loop back pump
32
Temperature sensor
33
Low loss header
35
65° safety thermostat with manual reset for heated floor
44
(France: DTU 65.8, DTU 65.14)
3-way directional valve with reversal motor
46
Disconnector
50
Thermostatic valve
51
Domestic hot water circulation loop return
56
Domestic hot water outlet
57
Thermometer
61
Circuit A: direct heating circuit (example: radiators)
64
Circuit B: Heating circuit with mixing valve, heating circuit
65
which may be at low temperature (heated floor or
radiators)
Stop valve with releasable non-return valve
84
UBVT 200...400 SC UBVT 200...500 DC
12/02/2013 - 300027525-001-02