79
A5. 3-way Multiple Boiler RTC in Primary/Secondary – Heating and DHW using Indirect W
ater Heater on Primary Loop;
Using Sequencer with & without Outdoor Reset (ELECTRICAL)
NOTES:
1)
Refer to the I&O to determine correct valve orientation and actuator wiring.
2)
120 V
AC supplying the R
TC should be separate from the burner/boiler circuit.
3)
Heat demand can be any electrical signal consisting of 24 – 240 V
AC.
4)
Use isolation relays for circulators greater than 1/3 HP
. Use motor starters for 3 phase circulators.
5)
System Pump (P3) to be operated by zone relay or other installer supplied device.
This diagram is for reference only
. The installer or designer is responsible for the proper selection and design of the
system.
Summary of Contents for 24-03
Page 2: ...2...
Page 8: ...8 Section I General Information FIGURE 1 Dimensional Information...
Page 20: ...20 Figure 16 Bare Boiler Assembly...
Page 24: ...24 Figure 22 Series 24 Jacket Assembly Boiler Models 24 03 thru 24 12...
Page 29: ...29 This Page Is Intentionally Left Blank...
Page 45: ...45 Figure 41 Typical Boiler Wiring with RTC Front...
Page 46: ...46 Figure 42 Typical Boiler with RTC Return Sensor Rear...
Page 62: ...62 Figure 44 Bare Boiler Assembly...
