Baxi Solo 2 PF Quick Start Manual download pdf (Page 8)

3.0 System Details

3.3 Pipework

1. The sizes of flow and return pipes from the

boiler should be determined by normal methods,

according to the requirements of the system.

2. An 11 °C (20°F) drop in temperature across the

system is recommended.

3.4 System Controls

1. For optimum operating conditions, the heating

system into which the boiler is installed should

include a control system.

2. Such a system will comprise of a timer control

and separate room or cylinder thermostats as

appropriate.

3. The boiler should be controlled so that it

operates on demand only.

4. Operation of the system under control of the

boiler thermostat only does not produce the best

results.

5. A frost thermostat is fitted integrally to the

appliance controls and will protect the boiler from

frost damage by operating the burner when the

water temperature in the boiler drops towards

freezing point. The boiler will fire as necessary to

maintain a temperature above freezing.

NOTE: The frost thermostat operates even if

the boiler thermostat is in the OFF ('0') position

and it is necessary therefore, if the system is

drained, for the external electrical and gas

supplies to be isolated. It is recommended that

a label be affixed to the appliance to draw

attention to the fact that the system has been

drained.

3.5 Low Head Installation

For boilers up to 50,000 Btu/h output

1. Using a close couple arrangement the minimum

head is as shown in the diagrams (Figs. 5 & 6)

subject to the following conditions:

a) The correct heat input.

b) The pump being adjusted to give an 11

drop across the boiler.

c) The pump must be fitted on the flow.

d) The pump must be fitted in accordance with

the pump manufacturer's instructions.

e) The open vent pipe must be taken up from a

tee in a horizontal section of the flow pipe.

Alternative Low Head Installation for all Solo 2 PF

(Fig. 7)

2. If less height is available then a combined vent

and feed pipe may be connected. This must be a

minimum of 22mm diameter. It is recommended

that an air separator is fitted when using a

combined feed and vent pipe.

Typical Low Head Installation

If Conditions Require,

This System Possible

Alternative Low Head Installation

Boiler

500mm

45°

22mm

Open Vent

1000mm

Min

150mm

Max

15mm

Cold

Feed

400mm

Min Head

Return

Pump

Flow

Boiler

500mm

45°

22mm

Open Vent

400mm

Min Head

1000mm

Min

Automatic

Air Vent

15mm

Cold

Feed

150mm

Max

Return

Pump

Flow

Return

Pump

Flow

Boiler

200mm

Min

Air

Separator

22mm

Feed & Vent

Pipe

Fig. 5

Fig. 6

Fig. 7

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 43 44

Comments to this Manuals

No comments

Baxi Solo 2 PF Quick Start Manual Page 8

Comments to this Manuals

Related products and manuals for Fireplaces Baxi Solo 2 PF