Keston SPA Installation Manual
KESTON
SPA
UNVENTED
SINGLE ANDTWIN
lnsta
Perfo
llation
rma
STORAGE
COIL MODELS
lnstructions
&
nce
Specification
CYLINDERS
Single
Twin
Stainless
Cylinders
Coil
Models
Spa 120
Spa
Spa
Spa
Coil
SpaTwin
SpaTwin
litre
150 litre
210 litre
300 litre
Models
210
300
lndirect
Steel
with
Ultra-High
Performance
Fully Approved
WRAS Approved
KESTON
34 WEST
HAYES,
KENT BR2
BOILERS
COMMON
BROMLEY
7BX
To
Building
to
theWater Regulations
LTD
ROAD
Regulations
Tel:(+44)
Fax(+44)
Email: info@keston.co.uk
Web: www.keston.co.uk
G3 and
020 8462
02084624459
0262
L
Efficiency
& Domestic
lssue
Specialists
Commercial
Equipment
04-2007
in high
Heating
READ
CAREFU
LLY
BEFORE
INSTALLATION
INCORRECT
CONTENTS
1.
Component
2.
Handling
3. Location
4.
Warnings
5.
Markings
6.
Connection
Pipework
7.
Flushing
8.
Electrical
INSTALLATION
Check List
and Storage
and Cylinder
and
Specification
Layout
and
Discharge
and Commissioning
Specification
Mounting
and
Recommendations
Lines
and
MAY
Wiring
INVALIDATE
for
GUARANTEE
PAGE
3
4
4
4
5
6
9
I
.'.1
.,..:
,,-..-i
,'....j
-.i
g.
SecondaryCirculation
10.
Scale
Advice and
1 1.
12.
13.
14.
Note
Trouble
Spares
Safety
Tank
lnstaller:
to
Shooting
Relevant
&
Data Plate
Please leave
Maintenance
and
Maintenance
British
lnstallation
Standards
manual
with Householder
10
1',r
't2
13
't4
14
after installation
INTRODUCTION
The Keston
coils for
strength
volume
The
with
the
the
water
indirect
ensuring
hot water
units
integral
pressure
cold
supply.
storage.
Spa is
a range
heating.The
high
delivery.
are supplied
strainer.
regulating
Use
of Duplex
use
pressure
with manifold
However,the
valve at
of an
externat
stainless
of stainless
performance.The
manifold
a remote
expansion
type
steel
steel for
pressure
can be
location.
vessel
un-vented
ultra high
regulating/expansion
separated
An
allows
both
coil
efficiency
expansion
the
water
and
to tlvo
vessel
entire
heaters
iank
ensures
coils
relief
sections
is also
volume
with
give
valves
should
suppliei
of ihe
ultra
high
long
lifJ
and
rapid reheat
preset
you
wish
for
connection
tank
to be
performance
high
and high
to
3bar
and
to install
used for
to
The units
thermostat
Operating Data:
Operating Pressure
Expansion
Maximum
Opening
Opening
Performance
Maximum
Expansion
are also
with
Water
Vessel
Relief
Primary
Temperature
Pressure
Data:
Model
Re-heat
15C60C(approx)
Re-heat
after 7006
(approx)
NB: Above
'1.
Combined
thermostat
switch,
(30
-70C)
90C/7
Pressure
Discharge
figures
the coil
output.5paTwin
ComponentCheck-List
The following
control and
with
manual
variable
thermostat
and
sensor.
bar ?Temperature
(T&P)
relief
tundish
fitted
with a
overheat
Supply
Pressure
of
unit
Charge
Pressure
Valve
Setting
Working
of T&P
ofT&P
Valve
draw-off
assume
items
accompany
overheat
cut-out
and
valve
3kW electric
shut down
to
Pressure
Valve
Spa
't20
23mins
l Tmins
constant
figures
EI
E
to control
pressure
Spa
150
25mins
l Tmins
primary
assume
your
Spa Unvented
immersion
iegulating
the
supply
i
Spa
heater
of indirect
ralve
210
35mins
22 mins
coil flow
both
of
82C and
coils used
Storage
Combined
reduction valve.3.0
tap, check valve,expansion
bar.
3kW
cut-out
1.75" BSP head
Diagnostic
strainer/pressure
/230VAC electric
switch and
gauge
as standby
heat
Spa
300
44mins
2g
mins
sufficient
concurrently
Cylinder.
bar,
with
relief valve
element
variable
thermostat -
heating
to thl
Spa
lSmins
1l
heat input
with
stop
with
and
unit.
12.0
3.0
3.0 bar
6.0
3.5 bar
7 bar
Twin
210
mins
sufficient
6
safety
adjustable
bar
bar
bar
90c
to fully
Spa Twin
300
22mins
14 mins
utilise
power
boiler
M
ry
w
2-Port Motorised
Valve
r
#
Expansion
wall mounting
vessel,
kit
hose
@
and
Ssndary ktum Circult
(21o,250&
300 Lilzes
Bonze
Pump
goller
Boller
Return
Handling & Storage
-
-
-
-
Location and Cylinder
-
Do not lift via valves
Expansion vessels
Store unit away
Always
transport
Site the
unit will reduce
-
-
-
-
locating the unit
Avoid
expose
Ensure unrestricted
Allow
sufficient
ln floor standing
weight
-
The unit must be
packaging
-
Valves
can be
to drain in accordance
should have a minimum
-
Warnings
-
A drainage safe
Boilers without thermostatic
with this unit unless
used
fuel boiler must
-
-
-
-
-
Under no circumstances
fitted T&P relief valve.
I
Do not fit a stop or check
Do not
All electrical
must conform to
replacement immersion
lf a
heate(s)
-
-
-
-
-
Ensure unit is
Do not use
not
Do
unless
Position discharge
Do not allow
Non
Return
lmmttlon
[hter
must not
from excess
cylinders
Mounting
unit as close
the outlet
pipework
should
clearance
the unit
of
installed and
when
the unit
mounted
tray should
not be used
to any component
heat
apply
wiring should
IEE Wiring
without thermal
flushed for 3
excessive
swit{h on
power
power
is switched
discharge
or element
pe
dented.
heat or
in the
possible
as
pressure
freezing temperatures
where
insulated.
be
for
place
full of
plumbing
removal of
water.
access to
transported
orientation
in any
with instructions
fall of
be
control,such
appropriate
with any
must.the
valve between
be carried
Regulations.
heater
cut-out(s).
minutes
plumbers
the
until
off.
away
tundish
pipes
to
on unit
bosses
frost
position
vertical
points
main
to
by 0.1 bar
connections
immersion
a
unit on
the
vertically unless
provided
(seeTundish).The
1:200 from the
placed
under
as and steam
additional
unvented
filled or operated
unit be
the inlet safety
or any welding
out by
is required at
hot tap before
via
paste
flux, which
or
unit is full of
from any electrical
kink or block
Lpanslon
wlthWall
Eracket
Flexlble
Ho*
Enhanced
Cold Conn*tbn
of usage.
for every
load
Outlets above
1m of height
may be experienced.All
and top
heater and
bearing
discharge
unit.
the cylinder
to
heating
controls
safety
unit.
group
to cylinder
a registered
electrical
any time,
switching
may damage
not open electric
Do
water.
components.
way.
in any
difference.
of expansion
valves.
sufficient
surface
otherwise
indicated
downpipes can
discharge
pipework
facilitate servicing
plant
should
are installed.
the
without
and the cylinder
pipe
or
contractor
fit
do not
an
on.
the controls'
the Spa
vessel
for the
on
be run
not be
Solid
factory
connections.
and
immersion
elements
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