
Warning
Improper installation, adjustment, alteration, service or maintenance can cause property
damage, personal injury, or loss of life. Read and understand the entire manual before
attempting installation, start-up, operation, or service. Installation and service must be
performed only by an experienced, skilled installer or service agency.
Failure to follow all instructions in the proper order can cause personal injury or death.
Read all instructions, including all those contained in component manufacturers’ manuals
before installing, starting up, operating, maintaining, or servicing the appliance.
Warning
Disconnect power supply before any wiring/service is performed. Failure to do so could
result in damage to appliance and/or electric shock.
Caution
The boiler must be installed so that electrical components are not exposed to water during
operation.
Known contaminants
Known Corrosive Contaminants to Avoid
Cements and glues
Refrigerant leaks from cracks in coils
Paint or varnish removers
Sodium chloride or potassium chloride used for
water softening
Adhesives used to fasten building products
and other similar products
Chemicals in perming solutions
Chlorinated waxes or cleaners
Chlorofluorocarbon chemicals found in spray cans
Chlorine-based swimming pool chemicals
Antistatic dryer sheets in clothes dryers
Hydrochloric acid or muriatic acid used in
household cleaning and stain removal
Chlorine-type bleaches, detergents, and cleaning
solvents found in household laundry rooms
Calcium chloride used for snow clearing
9
Known contaminants
Summary of Contents for CX Series
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Page 114: ...Appendices Wiring diagrams Figure 48 Controller electrical diagram 114 Section Troubleshooting...
Page 115: ...Figure 49 Internal wiring diagram 115 Wiring diagrams...
Page 116: ...Figure 50 Sequence of Operation 116 Section Troubleshooting...