Bradford White Ecostor SC, Инструкция по установке и эксплуатации

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SECTION IX
TROUBLESHOOTING GUIDE
PROBLEM CAUSE SOLUTION
ECO on thermostat tripped Determine if ECO trip is a result of excessive solar heat or
electric element. Correct or replace as necessary. Depress red
“RESET” button on thermostat .
Improper thermostat setting
or calibration Adjust tank thermostat to appropriate setting
See Section VII.
Check electrical connections.
Check that proper valves are open.
Check that system is bled.
Circulator does not pump
fluid through solar collector
Replace as necessary.
Check fuse and replace.
Check circuit breaker and reset (if applicable).
Electrical problem (Control,
wiring, etc.)
Check power supply.
Scale build-up If solar controller, collectors, circulator, and tank are operating
satisfactorily, coil may have scale coating. See Section VIII:
Maintenance.
No hot water at
faucet
Clogged cold water filter Clean or replace filter or strainer.
Thermostat set too high Adjust thermostat setting. See Section VII.
Improper system plumbing Compare plumbing to Section V.
Improper system wiring Compare wiring to Section VI.
Water at faucet
too hot
Mixing Device temperature
set too high Adjust ASSE approved thermostatic mixing valve setting. Refer
to ASSE approved thermostatic mixing valve instructions.
Thermostat setting too low Adjust thermostat to higher setting. See Section VII.
Undersized solar collectors Review calculations for proper collector surface area,
orientation and available sunlight.
Faulty solar sensor or solar
controller Check connections, power and sensor resistance. Replace as
necessary.
Peak use of hot water is
greater than tank storage
capacity Determine peak usage and compare to tank capacity.
Check electrical connections.
Check that proper valves are open.
Check that system is bled. Circulator does not pump
fluid
Replace as necessary.
Insufficient hot
water
Faulty tank thermostat Replace thermostat.