Table of Contents
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CER
Electric-Hydronic Boilers
Installation Instructions
Installer
Read all instructions before
installing. Follow all instructions in
proper order to prevent personal
injury or death.
•
Consider piping and installation when determining
boiler location.
•
Any claims for damage or shortage in shipment
must be filed immediately against the
transportation company by the consignee.
These Instructions must be used only by a qualified installer/service
technician. Read these instructions completely before beginning. Failure to
follow these instructions can cause severe personal injury, death or
substantial property damage.
When calling or writing about the boiler— Please have the boiler model
number from the boiler rating label and the CP number from the boiler
jacket. You may list the CP number in the space provided on the Installation
and service certificate found on page 10.
Series 2
User
•
This manual is for use only by
your qualified heating installer/
service technician.
•
We recommend regular service
by
a
qualified
technician, at least annually.
Part number 550-141-402/0801
service
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Table of Contents
Related Manuals for Weil-McLain CER Series 2
Summary of Contents for Weil-McLain CER Series 2
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Page 1: Installation Instructions
Series 2 Electric-Hydronic Boilers Installation Instructions Installer User Read all instructions before • This manual is for use only by your qualified heating installer/ installing. Follow all instructions in service technician. proper order to prevent personal • We recommend regular service injury or death. -
Page 2: Please Read Before Proceeding
CER Series 2 Electric-Hydronic Boilers Installation Instructions Please read before proceeding Hazard Definitions The following defined terms are used throughout these Instructions to bring attention to the presence of hazards of various risk levels, or to important information concerning the life of the product. -
Page 3: Pre-Installation
CER Series 2 Electric-Hydronic Boilers Installation Instructions Pre-installation General instructions Expansion tank sizing Undersized expansion tanks cause system water to be The Weil-McLain Model CER electric-hydronic boilers lost from relief valve and makeup water added through are assembled and tested units designed for use in forced hot water heating systems. -
Page 4: Piping The Boiler
CER Series 2 Electric-Hydronic Boilers Installation Instructions Pre-installation continued Piping the boiler Wiring the boiler Electric shock hazard. Can cause After the boiler is secured to the wall, attach the supply severe personal injury or death if and return piping. Refer to Table 2 for minimum pipe sizes. -
Page 5: Sequence Of Operation
CER Series 2 Electric-Hydronic Boilers Installation Instructions Sequence of operation Call for heat The thermostat contacts close, energizing the first contactor (2K), the circulator relay (1K), and the heater in the first thermal time delay (H1). Approximately 15 seconds later, the thermal delay contacts (1C) close energizing the electronic circuit inside the first electronic time delay (ED1). - Page 6 CER Series 2 Electric-Hydronic Boilers Installation Instructions Wiring Part number 550-141-402/0801...
- Page 7 CER Series 2 Electric-Hydronic Boilers Installation Instructions Wiring continued Part number 550-141-402/0801...
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Page 8: Troubleshooting
CER Series 2 Electric-Hydronic Boilers Installation Instructions Troubleshooting This boiler contains fiberglass materials. Use care when handling these materials per instructions on page 12 of this manual. Failure to comply could result in severe personal injury. Symptom—No heat Symptom—Boiler does not shut down Check fuses. -
Page 9: Operating Instructions
CER Series 2 Electric-Hydronic Boilers Installation Instructions Operating instructions Water treatment Do not use petroleum-based cleaning or sealing compounds in boiler system. Severe damage to boiler will result, causing substantial property damage. Eliminate all system leaks. Continual fresh makeup water will reduce boiler life. -
Page 10: Checkout Procedure
CER Series 2 Electric-Hydronic Boilers Installation Instructions Checkout procedure After filling and purging, start the boiler as follows: Check limit control operation by lowering the control settings described Turn the thermostat to its lowest setting so that there is no call for “Troubleshooting”... -
Page 11: Maintenance
CER Series 2 Electric-Hydronic Boilers Installation Instructions Maintenance This boiler contains fiberglass materials. Use care when handling these materials per instructions on page 12 of this manual. Failure to comply could result in severe personal injury. Draining and cleaning Checking expansion tank... - Page 12 CER Series 2 Electric-Hydronic Boilers Installation Instructions Handling fiberglass materials REMOVAL OF FIBERGLASS WOOL — OR — INSTALLATION OF FIBERGLASS WOOL, COMBUSTION CHAMBER LINING OR BASE PANELS: This product contains fiberglass jacket insulation and ceramic fiber materials in combustion chamber lining or base panels in gas fired products.
- Page 13 CER Series 2 Electric-Hydronic Boilers Installation Instructions Dimensions 1 16 " 14¼" 7 16 " 6½" 5 16 " Incoming power 2¼" 2" conduit 19 " 3 16 " 1¼" Supply Combination pressure- ½" temperature gauge ¾" NPT 6½" ½"...
- Page 14 CER Series 2 Electric-Hydronic Boilers Installation Instructions Parts This boiler contains fiberglass materials. Use care when handling these materials per instructions on page 12 of this manual. Failure to comply could result in severe personal injury. Item Description Weil-McLain Item...
- Page 15 CER Series 2 Electric-Hydronic Boilers Installation Instructions Parts continued The following items are available but not shown in the Parts drawing. Description Weil-McLain part number Jacket door latch 562-850-089 Limit control 510-350-061 Circulator relay 510-350-219 Electronic delay, 2½ minutes 510-350-211...
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