Installation / Operation Instruction Manual

29
Troubleshooting Guide continued-
PROBLEM
CAUSE
SOLUTION
Insufficient hot
water
Aquastat setting too
low
Adjust aquastat to higher
setting. See Section VII.
Undersized boiler
with no priority to
domestic hot water
Rewire for priority.
Peak use of hot
water is greater than
tank storage
capacity
Determine peak usage and
compare to tank capacity.
Faulty tank aquastat
Replace aquastat.
Boiler cycles
more than 5
times per day in
summer
Excessive demand
Reduce demand or
consider larger tank.
Faulty aquastat
Replace aquastat.
Boiler high limit set
too low
Increase boiler high limit
setting.