Improper Combustion; Gas; When Servicing The Heater; Water Quality - Pioneer PHR100-55 Instruction Manual

NOTE: If the heater is exposed to the following, do not operate until all corrective steps have been made
by a qualified serviceman:
1. FIRE
2. DAMAGE
3. WATER
Any claims for damage or shortage in shipment must be filed immediately against the transportation
company by the consignee.
DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDERWATER. Immediately call a qualified
service technician. Replace any part of the control unit that has been under water.
Be sure to disconnect electrical power before opening heater cabinet. Failure to do so could result in an
electrical shock that could result in serious injury or death.
B. IMPROPER COMBUSTION
NOTE: Do not obstruct the flow of combustion and ventilating air. Adequate air must be provided for safe
operation.
C. GAS
Should overheating or gas supply fail to shut off, do not turn off or disconnect electrical supply to
circulator. Instead, shut off the gas supply at a location external to the appliance.
D. WHEN SERVICING THE HEATER
•
To avoid electric shock, disconnect electrical supply before performing maintenance.
•
To avoid severe burns, allow heater to cool.
E. WATER QUALITY
•
Do not use petroleum-based cleaning or sealing compounds in a heater system. Gaskets and
seals in the system may be damaged. This can result in substantial property damage.
•
Do not use "homemade cures" or "heater patent medicines". Substantial property damage,
damage to heater, and/or serious personal injury may result.
•
Continual fresh make-up water will reduce heater life. Mineral buildup reduces heat transfer,
overheats the heat exchanger, and causes failure. Addition of oxygen by make-up water can
cause internal corrosion in system components. Leaks in the heater or piping must be repaired at
once.
•
If you have an old system with cast iron radiators, thoroughly flush the system (without heater
connected) to remove sediment. Sediment can reduce the efficiency of the heater and, in extreme
cases, cause damage to the internal heat exchanger.
NEVER use any toxic chemical, including automotive, standard glycol antifreeze, or ethylene glycol made
for hydronic (non-potable) systems. These chemicals can attack gaskets and seals in water systems, are
poisonous if consumed, and can cause injury or death.
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