IBC INTERSTAR IWT Series, Инструкция по установке и эксплуатации

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Minimum relief valve (CSA rating) and recommended
valves
Note
The maximum heat transfer through the coil (heat input) of the InterStor IWT water heaters at
240 °F boiler supply temperature and 210 °F potable water temperature are as follows:
Models IWT 40 through IWT 80 single coil units are less than 89,000 BTU/HR.
Models IWT 119, IWT 80-MAX and IWT 119-MAX are less than 181,000 BTU/HR.
Potable water temperature is limited to below 210 °F and nominal water containing capacity
is below 120 gallons for all InterStor IWT models. Accordingly, per Part HLW--
‐
101.2,
Section IV of the ASME Boiler and Pressure Vessel Code, all IBC InterStor IWT series
indirect water heater products are exempt from compliance with the code.
Check with local codes for applicability.
Minimum Relief Valve (CSA Rating)
IWT Model CSA Rating Btu/hr Recommended Relief Valve
IWT 40 105,000 Watts ¾" LF100XL or XL8, or equivalent
IWT 50 105,000 Watts ¾" LF100XL or XL8, or equivalent
IWT 65 105,000 Watts ¾" LF100XL or XL8, or equivalent
IWT 80 105,000 Watts ¾" LF100XL or XL8, or equivalent
IWT 119 205,000 Watts ¾" LF40XL-5, or equivalent
IWT 80-MAX 205,000 Watts ¾" LF40XL-5, or equivalent
IWT 119-MAX 205,000 Watts ¾" LF40XL-5, or equivalent
Table 11 Recommended relief valve details
13
Minimum relief valve (CSA rating) and recommended valves