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HEATING SYSTEM DESIGN
DIA
GR
AMS
250mm minimum
Boiler
Return
Flow
Maximum
height = 6m
1
Torrent Direct
Feed and vent pipes
must be fitted
by the installer
2
1 : Automatic bypass valve
2 : 3-Port Flow-share valve
3 : System pump
4 : Store thermostat
3
4
ON
OFF
24 hour domestic supply
[Off-peak during 00:00 – 07:00 E7]
ON
OFF
MCB
ON
OFF
MCB
B16
ON
OFF
MCB
ON
OFF
MCB
ON
OFF
MCB
Hot
Water
Top On-Peak 3kW
Immersion heater
Bottom Off-Peak 3kW
Immersion heater
Off-peak controller
2 Pole
Isolator
switch
Consumer unit
Figure 4.1 Typical wiring for Twin tariff un-restricted off-peak connection
Figure 4.1 Typical wiring for twin tariff unrestricted off-peak connection
Figure 4.2 Torrent Indirect OV: Typical open vented heating system using ‘Y’ plan control arrangement
Summary of Contents for TORRENT COMBI-PREHEAT
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