Operation and Installation Manual

18
Thermostat Installation
1. Thermostat should be installed on inside wall about
four feet above the oor.
2. NEVER install thermostat on outside wall.
3. Do not install thermostat where it will be affected by:
• Drafts
• Hot or cold pipes
• Sun light
• Lighting xtures
• Television sets
• Fireplace or chimney
4. Check thermostat operation by raising and lowering
thermostat as required to start and stop burner.
5. Instructions for nal adjustment of thermostat
are packaged with thermostat ( adjusting heating
anticipator, calibration, ect.).
Electrically bond boiler to ground in accordance with
requirements of authority having jurisdiction. Refer to:
• USA- National Electrical Code, ANSI/NFPA 70.
Install fused disconnect switch between boiler and meter at
convenient location.
Sequence Of Operations
On call for heat, thermostat will actuate, completing
circuit to limit. In turn, circulator and ignition systems are
activated and ignition will begin.
In event boiler water temperature exceeds high limit
setting on boiler mounted limit, power will be interrupted
between limit and ignition system. Power will remain off
until boiler water temperature drops below high limit
setting. Circulator will continue to operate under this
condition until thermostat is satised.
ELECTRICAL WIRING
WARNING
Electrical shock hazard. Turn OFF electrical power supply
at service panel before making electrical connections.
Failure to do so could result in death or serious injury.
!