22
LP- 428 REV. 9.2.14
M. BOILER PIPING DETAILS
Figure 7
– Single Boiler Space Heating – Indirect Priority
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 water heater is 1”.
7. The minimum pipe size for connecting a Mod Con boiler is
3” for both the 1000 and 1700 models.
8. System flow (Secon
dary 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.
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 ...