Measuring Gas Pressure - Bosch Therm C 1210 ES Installation And Operating Instructions Manual
Indoor residential and commercial models
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Also See for Therm C 1210 ES:
- Applications manual (40 pages) ,
- Technical service bulletin (2 pages) ,
- Installation manual (72 pages)
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Installation instructions
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Fig. 41
Space heating diagram
[1] Hot water outlet
[2] Cold water inlet
[3] Pressure relief valve
[4] Gas supply
[5] Shut off gas valve
[6] Thermal expansion tank (as required)
[7] Atmospheric vacuum breaker
[8] Cold inlet
[9] Check valve
[10] Pump
[11] Thermostatic mixing valve
[12] Thermometer (optional)
[13] DHW outlet
[14] Water to water heat exchanger
[15] Backflow preventer
[16] Automatic water feed
[17] Thermostat
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T
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[18] Space heating zone
[19] Zone controller
[20] Space heating pump
[21] Expansion tank
[22] Pressure relief valve
4.14 Measuring gas pressure
Confirm gas pressure upon installation.
Connecting manometer
▶ Shut off gas supply at installer supplied shutoff valve for
this water heater.
▶ Remove front cover and locate inlet gas pressure test port
(see fig. 42).
▶ Loosen screw inside left test point fitting (do not remove)
and connect manometer tube to test point.
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C 1210ES/ESC – 6 720 644 887 (2022/04)
2
6720644887-02.1V
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