| Exhaust | Restrictor | Maximum | Risk of Condensation Forming | |||||||
15 RFFI | Type | ø 41 mm | Extension | Piping not insulated | Piping insulated | ||||||
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| Exhaust/Air | ø 41 restrictor | NO restrictor | ø 41 restrictor | NO restrictor | |||||
Coaxial | C12 (xx) | L min = 0.5 m | L = 5 m |
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Systems | C32 (xx) | NONE | NONE | NONE | NONE | ||||||
L max = 1 m | |||||||||||
ø 60/100 | C42 (xx) |
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| Exhaust | Restrictor | Maximum | Risk of Condensation Forming | |||||||
15 RFFI | Type | ø 41 mm | Extension | Piping not insulated |
| Piping insulated | |||||
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| Exhaust/Air | ø 41 restrictor | NO restrictor |
| ø 41 restrictor | NO restrictor | ||||
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Twin Pipe | C12 (xy) |
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Systems | C32 (xy) | L max = 30 m | 78 m | 1.2 m |
| 2.5 m |
| 8 m |
| 11.0 m | |
ø 80/80 | C42 (xy) |
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L = Sum of the total length of exhaust + air intake piping.
TABLE 2.1
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| In calculating the lengths of the pipes, the |
TWIN PIPE | FIG. 2.10 maximum length “L” must also take into | |
| SYSTEMS | consideration the values for the exhaust/air |
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| intake end terminals, as well as 90° elbows for |
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2.10 | ROOM THERMOSTAT |
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| CONNECTION |
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To connect a room thermostat and/or time clock, it is necessary | A |
to: |
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1. - Open the control panel as indicated in section 4.3;
2.- Remove screws “A” and remove the inspection cover from the reverse of the control panel;
3. - For the
4. - For the time clock connect the clock switching wires to the positions 3 and 4 and connect the clock motor electrical supply to the terminals marked L and N.
Note: A frost thermostat is
For connection to control systems with zone valves for hot water cylinders see section 3.
10