Weil-McLain GOLD CGS 550-110-260/02002 - Manual (Page 30)

Part number 550-110-260/0200
30
GOLD CGs Gas-Fired Water Boiler
Check-out procedure — checklist
8
❏ Boiler and heat distribution units filled with water?
❏
Automatic air vent, if used, open one full turn?
❏
Air purged from system?
❏
Air purged from gas piping? Piping checked for leaks?
❏
Correctly sized manifold orifices installed? Refer to manual
section
2a to check size and fuel type.
Correctly sized manifold orifices must be
used. Failure to do so will cause severe
personal injury, death or substantial property
damage.
❏
Followed operating instructions on boiler or in manual
section
9 for proper start-up?
❏ Proper burner flame observed? Refer to Check burner
flame , manual section 7b .
❏
Test limit control — While burners are operating, move
indicator on limit control below actual boiler water
temperature. Burners should go off while circulator
continues to operate. Raise setting on limit control above
boiler water temperature and burners should reignite.
❏
Test additional field-installed controls — If boiler has a
low water cutoff, additional high limit or other controls,
test for operation as outlined by manufacturer. Burners
should be operating and should go off when controls are
tested. When controls are restored, burners should reignite.
❏
Test ignition system safety device:
a.
Connect manometer to outlet side of gas valve.
b. Start boiler, allowing for normal start-up cycle to occur
and main burners to ignite.
c. With main burners on, manually shut off gas supply
at manual main shutoff gas valve. Burners should go
off.
d. Open manual main shutoff gas valve. Manometer
should confirm there is no gas flow.
e. Pilot will relight, flame sensing element will sense pilot
flame and main burners will reignite.
❏ Set limit control(s) to system temperature requirements.
Adjust balancing valves and controls to provide design
temperature to system.
❏ For multiple zones, adjust flow so it is about the same in
each zone.
❏ Verify thermostat heat anticipator (if available) set properly?
Refer to
Field wiring , manual section 6a , Thermostat(s) .
❏
Cycle boiler with thermostat — Raise to highest setting
and verify boiler goes through normal start-up cycle. Lower
to lowest setting and verify boiler goes off.
❏
Measure natural gas input:
a.
Operate boiler 10 minutes.
b. Turn off other appliances.
c. At natural gas meter, measure time (in seconds)
required to use one cubic foot of gas.
d. Calculate gas input:
3600 x 1000
number of seconds from step c
= Btuh
e. Btuh calculated should approximate input rating on
boiler rating label.
❏ Check manifold gas pressure by connecting manometer to
downstream test tapping on main gas valve. Manifold
pressure for natural gas should be 3.5" w.c. and for propane
gas should be 10" w.c.
❏
Observe several operating cycles for proper operation.
❏
Set room thermostat to desired room temperature.
❏
Fill in Installation and service certificate below?
❏
Review all instructions shipped with this boiler with owner
or maintenance person. Return instructions to envelope
and give to owner or place in pocket inside front panel in
boiler.
❏ Installation instructions have been followed.
❏ Check out sequence has been performed.
❏ Above information is certified to be correct.
❏ Information received and left with owner/maintenance person
Installation and service certificate
Boiler model __________________ Series __________ CP number ___________ Date installed _______________
Measured Btuh input ____________
Installer ________________________ ________________________________ ______________________________
(company) (address) (phone)
_____________________________________
(installer’s signature)