19
FIGURE 5-8B Multiple Boilers Using Primary/Secondary Pumping with Closed External Primary Loop
5 - HYDRONIC PIPING
Heating Load
Heating Load
Heating Load
Existing closely spaced tees
in primary system loop
12"/305mm
Maximum
Separation
Up to 16
boilers
3/8"/10mm Open End
Wrench
CH/System
Pump
12"/305mm Maximum Separation
System
Temperature
Sensor
Size common piping
per maximum heat
capacity of entire
system
All internal
primary loop
ball valves
closed
Limit
length to
5' (1.6m)
Содержание DKVLT-050
Страница 47: ...47 13 TROUBLE SHOOTING ...
Страница 51: ...51 13 TROUBLE SHOOTING ...
Страница 53: ...53 13 TROUBLE SHOOTING ...
Страница 62: ...62 Supply Water Temperature Sensor Resistance Chart 13 TROUBLE SHOOTING ...
Страница 64: ...64 14 WIRING DIAGRAM 14 1 Connection Diagram 050 075 100 150 200 MBH ...
Страница 66: ...66 14 WIRING DIAGRAM 14 3 Connection Diagram 299 MBH EXTERNAL PUMP RELAY LIMIT OF 1 AMP PER PUMP SEE SECTION 8 ...
Страница 83: ...83 NOTES ...
Страница 84: ...ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...