Shall be in accordance with ISO 23550:2018, 6.3.2.Ħ.3.3 Springs providing closing force and sealing force Lock nuts or adjusting nuts held by springs or compression are considered satisfactory, except where their adjustment can be accidentally disturbed.Ħ.2.9? Auxiliary? channels? and? orifices Suitable means for maintaining all adjustments shall be provided. If, in accordance with the manufacturer’s instructions the thermostat can be dismantled for servicing,such action shall not result in a change in temperature calibration exceeding the declared maximum set point deviation (see 7.6.1.1). Shall be in accordance with ISO 23550:2018, 6.2.7.Ħ.2.8 Dismantling and reassembling for servicing and/or adjustment for controls Shall be in accordance with ISO 23550:2018, 6.2.8, with the following addition. Shall be in accordance with ISO 23550:2018, 6.1. Specific regional requirements shall be as specified in Annex G. water, oil or air) for the application, as specified in the installation and operation instructions. Where applicable, the thermostat shall be mounted in an appropriate test fixture and the tests conducted with the thermal sensing element immersed in the intended medium (e.g. Shall be in accordance with ISO 23550:2018, Clause 5, with the following addition:
Shall be in accordance with ISO 23550:2018, 4.2.
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ISO 222 pdf free download – Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 9: Mechanical gas thermostats.
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