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7

 

 

 

 

The problems and corrections above represent  common situations that can occur. 

There may be others not listed above. It is important always to contact a qualified service techni-
cian if you have any questions about the operation of your boiler or system.

COMMON PROBLEMS

 

COMMON CAUSES

 

POSSIBLE CORRECTIONS

 

Rap

i

d cycl

i

n

g

 - burner turns

on and off frequently.

Thermostat 

i

nstalled where drafts or

heat affect read

i

n

g

.

Locate thermostat on 

i

nner wall away from

heat sources or cool drafts.

Heat ant

i

c

i

pator 

i

n thermostat

adjusted 

i

ncorrectly.

Adjust heat ant

i

c

i

pator to match current

draw. Refer to bo

i

ler w

i

r

i

n

g

 d

i

a

g

ram.

Incorrect l

i

m

i

t sett

i

n

g

.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an 

i

ncrease

l

i

m

i

t sett

i

n

g

 to decrease cycl

i

n

g

. Normal

operat

i

on 

i

s usually less than 5 ps

ig

.

Need to frequently add
makeup water.

Leaks 

i

n bo

i

ler or p

i

p

i

n

g

.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an repa

i

r leaks

at once to avo

i

d constant use of makeup

water.

Popp

i

n

g

 or percolat

i

n

g

 no

i

se

heard 

i

n bo

i

ler.

M

i

neral depos

i

ts 

i

n sect

i

ons due to

constant use of makeup water. or

i

ncorrect pH.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an de-l

i

me

bo

i

ler and repa

i

r leaks at once to avo

i

d

constant use of makeup water and check
pH (7.0-8.5).

Metal flakes found 

i

n flueway.

Contam

i

nated combust

i

on a

i

r supply.

Remove sources of hydrocarbons 

i

n or

near bo

i

ler area. (Bleaches, cleaners,

chem

i

cals, sprays, fabr

i

c softeners, pa

i

nt

remover, etc.)

Condensat

i

on of combust

i

on 

g

ases.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an check

bo

i

ler operat

i

on.

Isolated rad

i

at

i

on does not

heat.

A

i

r vents or traps 

i

noperat

i

ve.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an repa

i

r,

clean or replace a

i

r vents or traps.

Water d

i

sappear

i

n

g

 from

g

au

g

e 

g

lass and back 

i

nto

system throu

g

h return p

i

p

i

n

g

.

Incorrect Hartford Loop p

i

p

i

n

g

.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an p

i

pe bo

i

ler

exactly as shown 

i

n Bo

i

ler Manual.

Check-valve 

i

noperat

i

ve.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an clean or

replace check-valve.

Vacuum-breaker 

i

noperat

i

ve.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an clean or

replace vacuum breaker.

V

i

olent waterl

i

ne fluctuat

i

ons

- sur

gi

n

g

.

OR
Water pass

i

n

g

 

i

nto steam

ma

i

ns - pr

i

m

i

n

g

.

D

i

rt, o

i

l or other 

i

mpur

i

t

i

es 

i

n water.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an sk

i

m

bo

i

ler.

Waterl

i

ne too h

ig

h.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an adjust

waterl

i

ne to normal he

ig

ht.

Incorrect p

i

p

i

n

g

.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an p

i

pe bo

i

ler

exactly as shown 

i

n Bo

i

ler Manual.

Sudden release of bo

i

ler steam

pressure by act

i

on of zone valves.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an adjust

valve operat

i

n

g

 t

i

me or 

i

nstall slow-open

i

n

g

valves.

Domest

i

c water from tankless

heater 

i

s hot then suddenly

turns cold.
OR
Domest

i

c water from tankless

heater 

i

s always lukewarm.

M

i

neral depos

i

ts 

i

nsulate 

i

nternal

waterways of heater.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an del

i

me  or

replace co

i

l.

Bo

i

ler stop-leak compound has been

added to bo

i

ler water and 

i

s 

i

nsulat

i

n

g

outs

i

de of co

i

l.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an remove

and clean co

i

l AND dra

i

n and flush bo

i

ler to

remove stop-leak.

Incorrect m

i

x

i

n

g

 valve sett

i

n

g

 for

tankless heater.

Have qual

i

f

i

ed serv

i

ce techn

i

can adjust

m

i

x

i

n

g

 valve sett

i

n

g

.

Domest

i

c flow rate too h

ig

h.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an 

i

nstall flow

check valve set to rat

i

n

g

 of tankless heater.

Incorrect sett

i

n

g

 on tankless heater

control.

Have qual

i

f

i

ed serv

i

ce techn

i

c

i

an ra

i

se

tankless control sett

i

n

g

. Adjust d

i

fferent

i

al

on tankless control to lower sett

i

n

g

.

Содержание SGO Series

Страница 1: ...or future reference leave this manual with other boiler instructions in the envelope provided with the boiler Maintenance and Service Guide Part No 550 141 830 1202 SGO Series 3 Oil Fired Steam Boiler...

Страница 2: ...ine maintenance of boiler and system Pages 2 through 6 must be followed to assure proper operation of your boiler Page 7 lists common problems and possible corrections In addition it is your responsib...

Страница 3: ...gasoline See burner manual for proper fuel oil Do not attempt to start burner when excess oil has accumulated in combustion chamber when unit is full of vapor or when combus tion chamber is very hot D...

Страница 4: ...t type low water cutoff when used Refer to control manufacturer s instructions Scald potential Do not blow down low water cutoff unless blowdown piping has been installed according to Boiler Manual If...

Страница 5: ...team ReliefValve on back of boiler SGO with oat type low water cutoff 1 If burner does not re check for Switch on boiler or additional shut off switches turned off Fuses or breaker switch tripped Ther...

Страница 6: ...turned off Fuses or breaker switch tripped Thermostat set below room temperature Fuel valves turned off Not enough oil in tank to supply burner No water in gauge glass Start up SGO Boiler with Probe T...

Страница 7: ...pair clean or replace air vents or traps Water disappearing from gauge glass and back into system through return piping Incorrect Hartford Loop piping Have qualified service technician pipe boiler exa...

Страница 8: ...ds 2 Check for and remove any obstruction to combustion and ventilation air flow to boiler 3 Check breeching and chimney or vent for obstructions damage etc Repair or replace as necessary 4 Clean boil...

Страница 9: ...Move to the bottom of the ueways and clean up between the sections to reach pins left uncleaned in step 5 Thoroughly clean ueways between all pins at all angles Start on top of boiler nish from the b...

Страница 10: ...aps and air vents for proper opera tion 7 Process may need to be repeated after several weeks of operation L L L L Detailed Service Procedures To place in operation Follow information below to prevent...

Страница 11: ...cock The water level should immediately rise to its proper level 4 If gauge glass breaks close off both gauge cocks and loosen glass retaining nuts to remove gauge glass Do not use thin glass tubing...

Страница 12: ...Part No 550 141 830 1202...

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