R016600x

Steam Generator & Fluid Heater Installation Manual

NOTE It is imperative that proper feedwater treatment chemicals and equipment are in place and operational prior to filling the heating coil.

The Clayton Feedwater Treatment Manual, furnished with each new unit, provides detailed informa- tion regarding Clayton feedwater treatment requirements, products, and equipment. In general, the feedwater supplied to your Clayton steam generator must: • Hardness: 0 ppm (4 ppm maximum) • pH 10.5–11.5 (normal range), maximum of 12.5 • Oxygen free with an excess sulfite residual of 50–100 ppm during operation (>100 ppm during wet lay-up) • Maximum TDS of 8,550 ppm (normal range 3,000–6,000 ppm) • Maximum dissolved iron of 5 ppm • Free of suspended solids • Maximum silica of 120 ppm with the proper OH alkalinity

NOTE Review the Clayton Industries Feedwater Treatment Reference Manual (P/N: R15216) for additional feedwater quality requirements, or contact your local Clayton Chemical Sales Representative.

2.7.1 Water Softeners Refer to the Clayton Water Softener Instruction Manual for detailed information regarding the instal- lation, dimensions, and operation of Clayton water softening equipment. Some general guidelines are pro- vided below. Cold water piping to the water softener(s), and from the water softeners to the makeup water control valve should be Schedule 40 galvanized steel or Schedule 80 PVC. Install anti-siphon device (if required by local health regulations) in the raw water supply line. 2.7.2 Make-up Water Line Sizing Table 2-3 shows the pipe sizes required from the water softener to hot-well. The supply pressure must be at least 65 psi (450 kPa).

2-16

Sect02_Genrl-xx4_t.fm

08/11/2016