23
LP- 428 REV. 9.2.14
Figure 8
– Cascade Multiple Boilers – Indirect Priority on One
FIGURE NOTES:
1. This drawing is meant to demonstrate system piping concept only.
2. A mixing valve is recommended if the DHW temperature is set above the factory setting of 119
o
F.
3. Install a minimum of 12 diameters of straight pipe upstream of all circulators.
4. Install a minimum of 6 diameters of straight pipe up and downstream of all closely spaced tees.
5. Piping shown is Primary/Secondary.
6. The minimum pipe size for connecting an HTP indirect fired w
ater heater is 1”.
7. The minimum pipe size for connecting a Mod Con boiler is
3” for both the 1000 and 1700 models. See Multiple Boiler Manifold Piping chart, Figure 6
in this manual, when sizing and installing a multiple boiler system.
8. System flow (Se
condary Loop) must be greater than the boiler’s Primary Loop flow.
9. Installations must comply with all local codes.
10. In Massachusetts, a vacuum relief valve must be installed on the cold water line per 248 CMR.
11. System sensor must be placed as shown in drawing.
Содержание MODCON1000
Страница 40: ...40 LP 428 REV 9 2 14 E GAS VALVE Figure 22 Mod Con 1000 Gas Valve ...
Страница 46: ...46 LP 428 REV 9 2 14 Figure 25 Figure 26 Cascade Resistor Plug Installation Detail ...
Страница 47: ...47 LP 428 REV 9 2 14 Figure 27 Mod Con Cascade Master and Follower Wiring ...
Страница 48: ...48 LP 428 REV 9 2 14 Figure 28 Mod Con Internal Connection Diagram LP 428 K ...
Страница 70: ...70 LP 428 REV 9 2 14 Figure 31 MOD CON 1000 External Parts Blowout ...
Страница 71: ...71 LP 428 REV 9 2 14 Figure 32 MOD CON 1700 External Parts Blowout ...
Страница 72: ...72 LP 428 REV 9 2 14 Figure 33 ...
Страница 73: ...73 LP 428 REV 9 2 14 Figure 34 LP 445 S ...
Страница 74: ...74 LP 428 REV 9 2 14 Figure 35 LP 428 V ...
Страница 75: ...75 LP 428 REV 9 2 14 Figure 36 ...
Страница 78: ...78 LP 428 REV 9 2 14 ...
Страница 79: ...79 LP 428 REV 9 2 14 ...
Страница 80: ...80 LP 428 REV 9 2 14 MAINTENANCE NOTES ...