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SERIES 4 — GAS-FIRED WATER BOILER —
7b
Start-up — operate boiler
proceed with boiler operation unless boiler and system have been filled with water and all
DO NOT
instructions and procedures of previous manual sections have been completed. Failure to do so could
result in severe personal injury, death or substantial property damage. Before starting the boiler, do
the following:
• Read manual
plied on the boiler (Section
• Verify the boiler and system are
• Verify the
Adjust boiler control settings
BOILER OPERATING TEMPERATURE
With power turned on, control module receives a signal
from the temperature/LWCO sensor and displays boiler
temperature. The control knob labeled BOILER TEMP
is used to adjust the operating temperature setpoint,
turning clockwise to increase temperature setting and
counterclockwise to decrease. When the knob is turned
to adjust temperature the display will brighten to indicate
adjustment mode. After temperature is set to desired value,
display will dim after approximately 5 seconds to indicate
measurement mode.
• ADJUST BOILER OPERATING TEMPERATURE TO
DESIRED SETPOINT.
BOILER ECONOMY SETTING
To comply with Department of Energy regulations, the control
module circulates available hot water before turning on the
boiler to attempt to satisfy a call for heat. While attempting
to satisfy the heat demand, the control also monitors the
boiler temperature changes via the temperature/LWCO
sensor. It then determines whether the available hot water
will satisfy the demand and adjusts the time delay to turn
on the boiler until it determines that additional heat will be
needed. The knob labeled ECONOMY ADJUST provides
an adjustment between maximize (MAX) and minimize
(MIN) time delay. The maximum (MAX) adjustment position
should be used to maximize energy savings. Turning the
knob counterclockwise decreases the delay time and should
only be used in the event that the heated space becomes
uncomfortable.
• ADJUST ECONOMY TO DESIRED POSITION.
IMPORTANT
In accordance with Section 325 (f) (3) of the Energy
Policy and Conservation Act, this boiler is equipped with
a feature that saves energy by reducing the boiler water
temperature as the heating load decreases. This feature
is equipped with an override which is provided primarily
to permit the use of an external energy management
system that serves the same function.
34
Boiler Manual
and the
Section 9
Operating instruction
9c
).
full of water
procedures of
Start-up preparation
procedure applicable for the gas valve sup-
.
have been completed.
Section 7
THIS OVERRIDE MUST NOT BE USED UNLESS AT
LEAST ONE OF THE FOLLOWING CONDITIONS IS
TRUE:
•
An external energy management system is installed
that reduces the boiler water temperature as the
heating load decreases.
•
This boiler is part of a modular or multiple boiler
system having a total input of 300,000 BTU/hr or
greater.
•
This boiler is equipped with a tankless coil.
If you discover evidence of any gas
leak, shut down the boiler at once. Find
the leak source with bubble test and
repair immediately. Do not start boiler
again until corrected. Failure to comply
could result in severe personal injury,
death or substantial property damage.
Eliminate all system leaks.
fresh makeup water will reduce boiler
life. Minerals can build up in sections,
reducing heat transfer, overheating
cast iron, and causing section failure.
Glycol or antifreeze leaks
the boiler may result in fire, causing
severe personal injury, death or sub-
stantial property damage.
Do not use
or sealing compounds
Severe damage to boiler will occur,
resulting in substantial property dam-
age.
Continual
around
petroleum-based cleaning
in boiler system.
Part Number 550-142-302/0124
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