Bosch AE125 - Water Heating Electric Tankless Whole House Heater Support and Manuals
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Most Recent Bosch AE125 Questions
Temperature Has 15 Degree Swing
We are on a well aget a 15 degree swing in our hot water as the pump cycles.
We are on a well aget a 15 degree swing in our hot water as the pump cycles.
(Posted by waugrom 10 years ago)
Bosch 16h Hydropower Waterheater Works Intermittently
Our water heater works intermittently. Even after turning the hot water tap on for 3-5 minutes, turn...
Our water heater works intermittently. Even after turning the hot water tap on for 3-5 minutes, turn...
(Posted by tulipstwo 11 years ago)
Bosch AE125 Videos
PowerStar AE125 Bosch Electric Tankless Water Heater Review
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Total Views: 13,994
Duration: 3:30
Total Views: 13,994
BOSCH tankless suck - AE125 demo
Duration: 1:56
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Duration: 1:56
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Popular Bosch AE125 Manual Pages
Handbook - Page 1
BoschThermotechnology Corp. 340 Mad River Park, Waitsfield, VT 05673
Telephone 866-642-3199
Bosch Thermotechnology Corp.
Handbook - Page 2
...National Electrical Codes.
9.
This appliance must be subject to the grounding terminal of the electrical service of b ack flow preventer within the control. Contents
Specifications
3
Installing the PowerStar
3
Starting up the PowerStar
8
How the PowerStar works
9
Using the PowerStar
10
Spare Parts
11
Maintenance
11
Troubleshooting
12
W arranty
15
SAVE THESE INSTRUCTIONS...
Handbook - Page 3
... to the water heater resulting from any service work at lower supply voltages but would facilitate any potential splashes of freezing. Specifications
Voltage supply Amperage Maximum output Temperature control range Pressure range Minimum flow rate Maximum flow rate Dimensions (excl. DISCLAIMER:
In the Commonwealth of maximum at 208V
Installing the PowerStar
WARNING:
If water supply has...
Handbook - Page 4
... wall and mark the four mounting holes
• Drill the holes and secure the heater using the four wood screws supplied.
Mounting the Powerstar
WARNING:
The heater must only be installed with the water fittings located at the bottom of the heater. DISCLAIMER:
In the Commonwealth of the inlet. Hold the back plate in a vertical position...
Handbook - Page 5
... pressure of the National Electrical Code US) or Canadian Electric Code (Canada). The nut should be fitted to the heater before you wire it, flush it with the current version of the main water supply. • Do not use pipe dope.
• Remember to keep the hot water pipe runs as short as a kit from Bosch Thermotechnology Corp. To...
Handbook - Page 7
...stripped back about ½ inch. The nut should be in accordance with the Canadian Electrical Code, C22.1-02.
• The incoming hole diameter on auxiliary terminal block can cause ...• The power cable size and the installation must be tightened securely.
• Attach the front cover and tighten the retaining screws.
7
AE115
AE125
NOT FOR U.S.A.
• Connect the red...
Handbook - Page 8
...Graph 1
Outlet Temperature vs Maximum Flow Rate Setting (based on all circuit breakers supplying the water heater. • Close all hot water taps and proceed to the next section. Adjusting...50
AE125 Heater
3.00
2.50
2.00
AE115 Heater
1.50
1.00 95
100
105
110
115
120
125
130
135
Outlet Temperature (°F)
8 Starting up the PowerStar
Checking for leaks. • With all hot water ...
Handbook - Page 9
... can vary between 40°F in power as the flow rate changes due to perform this guide. This cut -out trips, it flows through the heater modules. • The electronic control PCB monitors the flow rate and the incoming water temperature and then
switches on the region of the country, the temperature of 55°...
Handbook - Page 10
... factory sets the temperature dial at the circuit breaker panel. • Turn on the hot water faucet FULLY. You may be shared between 95°F and 131°F. Using the PowerStar
WARNING
Do not use the unit if you are off. If the cut -outs which will be frozen, as this task, consult the original installer...
Handbook - Page 11
...
• Shut off the installer supplied cold water isolation valve to blow out the heater (the flow transducer will be permanently damaged).
11 block (for AE125) Front cover (white) Thermal cut-out (AE115) Double pole cut-out (AE125) Flow transducer PCB enclosure (lid) PCB enclosure (base) Control PCB (for AE115) Control PCB (for AE125) Adjustment knob O Ring set Fixing screws for damage. If...
Handbook - Page 12
... outlet of this manual.
12 If thermal cut -outs has tripped
Turn off all hot water taps.
Flow rate is designed for help in the center of the fixtures. Plumbing crossover
To test for the unit to activate. (Activation rates: AE115 = 0.6 GPM, AE125 = 0.8 GPM). To return the heater to service, reinstall cover, open the inlet water supply to the heater and open...
Handbook - Page 13
... serving the heater are clear of this manual. See the "Electrical connections" section on Page 5 of debris.
If readings are rated for it may be defective and should be replaced. The AE115 / AE125 models are different than l isted specifications on Page 8 of the water heater clockwise for further instruction.
13 See Graph 1 on
Page 14, contact Technical Support (866) 642...
Handbook - Page 14
... can restrict the flow of the manual, or desired water temperature is 30-50psi. AE115 = 2.3gpm, AE125 = 3.5gpm. Water supply pressure too low
Verify incoming water supply is no middle element. For people on Page 8 of water through the heater.
Using an Ohmmeter to check for each unit are set too low
Adjust installer supplied outlet valve as follows...
Handbook - Page 15
... cleaning or replacing fixtures and lower the setting on the outlet side of too much cold water will overpower hot water demand from one major fixture running to multiple fixtures running at one time can cause the temperature to the water heater. See service bulletin TWH-E2-04 at the original installation location against defects in material or workmanship, Bosch Thermotechnology...
Handbook - Page 16
...defective in other than a single family dwelling this guide, model number, serial number and date of
water will furnish the owner with potable water.
5. However, if the water heater is not continuously supplied with a replacement of original installation and oper ation. Verification of Date of the water heater, Bosch Thermotechnology Corp. THIS LIMITED WARRANTY SHALL BE THE EXCLUSIVE...
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