80
A6. T
ankless
Application Only with RTC – NO Building Heat; with and without storage tank (MECHANICAL)
NOTES:
1)
Install the boiler as indicated above for systems where the boiler return temperatures may be less than 135F and heating DHW with a tankless coil.
2)
The boiler circulator must be sized using the sizing charts found in
Appendix B.
3)
The return sensor
, S1, shall be installed at the return of the boiler
.
The boiler circulator may be located anywhere within the recirculation loop.
4)
The balancing valve in the boiler return line, V1, may be necessary in low head by-pass loop applications.
5)
Domestic Hot W
ater must be tempered for safe usage.
The tankless aquastat and/or a storage tank aquastat (A1) are normally closed switches. Circuit
breaks on temperature rise.
6)
Expansion tanks, air scoops and other components left out for clarity
.
7)
Observe all applicable plumbing and electrical codes.
This diagram is for reference only
. The installer or designer is responsible for the proper selection and design of the
system.
Содержание 24-03
Страница 2: ...2...
Страница 8: ...8 Section I General Information FIGURE 1 Dimensional Information...
Страница 20: ...20 Figure 16 Bare Boiler Assembly...
Страница 24: ...24 Figure 22 Series 24 Jacket Assembly Boiler Models 24 03 thru 24 12...
Страница 29: ...29 This Page Is Intentionally Left Blank...
Страница 40: ...40 Figure 35 Typical Steam Piping Arrangement for Boilers with Pumped Condensate Return and Boiler Feed Unit...
Страница 45: ...45 Figure 41 Typical Boiler Wiring with RTC Front...
Страница 46: ...46 Figure 42 Typical Boiler with RTC Return Sensor Rear...
Страница 60: ...60 Figure 43 Series 24 Jacket Assembly Boiler Models 24 03 thru 24 12 SECTION VII REPAIR PARTS Continued...
Страница 62: ...62 Figure 44 Bare Boiler Assembly...
Страница 89: ...89 SERVICE RECORD DATE SERVICE PERFORMED...