Aqua-Hot™ Hydronic Heating System Installation Manual 07/05
Page 1
ELECTRONIC CONTROLLER
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R
t
o
H
d
l
o
C
Heating Zones
Status
#5
#4
#3
#2
#1
Electric Heating
Element Status
Low Voltage
Reset
Low Tank-Level
Cutoff
Heating Status
Engine Preheat
Pump
Low Battery
Voltage Fault
Low Temp
Cutoff Status
Overload Fault
Pump #2
Pump #1
Pump #3
Diesel-Burner
Status
Motor Coach Heating Specialists
Electronic
Controller
Switch Panel
Diesel
Electric
Engine
Preheat
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Figure 1
Tempering Valve
(Domestic Water)
Heating Zones
Supply and Return
Ports
Circulation
Pump #1
Circulation
Pump #2
Circulation
Pump #3
Engine Preheat
Circulation
Pump
Diesel-Burner
Engine Coolant
Supply
Diesel Fuel
Supply
Diesel Fuel
Return
Hot Water
Outlet
(Domestic Water)
Cold Water
Inlet
(Domestic Water)
Engine
Coolant
Return
Pressure-Relief
Valve
Diesel-Burner
Controller
Boiler Tank
Drain Valve
Electric Heating
Element Access
Panel
Marking
Plates
Thermostat/AC Relay
Access Panel
Hour Meter
VAC Access
Panel
VAC Service
Input
Fill/Radiator
Cap
Aqua-Hot
and Inclusive
Components
Expansion
Bottle
AQUA-HOT HYDRONIC HEATING SYSTEM