Install Instructions
36
V: SYSTEM START-UP (continued)
4. CHECK HIGH LIMIT
a. Adjust system thermostat(s) to highest setting.
b. Allow burner to run until boiler water
temperature exceeds high limit setting. The
burner should shut down and circulators continue
running.
c. Allow the temperature to drop below control
setting. The burner must restart.
d. Boiler installation is not considered complete
until this check has been made.
5. CHECK LOW WATER CUT-OFF CONTROL
a. Steam Boiler
Check Low Water Cut-off Control with water
level at normal water line (see Figure 1D). Raise
thermostat setting to allow burner to operate.
Open boiler drain to allow water level to drop
to bottom of sight glass until burner operation is
shut-down by low water cut-off.
Close boiler drain and rell to normal water line.
Burner should automatically restart during ll.
Lower thermostat setting.
b. Water Boiler
Refer to Appendix "A" at the rear of this manual.
6. CHECK OPERATING CONTROL on boiler
applications equipped with tankless heater(s). With
burner off, draw hot water until burner starts, then
turn off hot water and check burner shut-down.
J. IF CONTROLS MEET REQUIREMENT outlined
in Paragraph I.
1. Allow boiler to operate for approximately 30
minute, conrm the boiler and system have no leaks.
K. IF CONTROLS DO NOT MEET
REQUIREMENTS outlined in Paragraphs I-1 thru
I-6, replace control and repeat checkout procedures.