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BS DOMESTIC WATER HEATERS INSTALLATION INSTRUCTIONS
MODELS
BS 100 BS 150
BS 200
BS 300
Volume drawn in
10 min at 40°C
- storage 65°C
litres
173
241
313
476
Volume drawn in
1 hour at 40°C
- storage 65°C
litres
731
798
870
1033
BS performance with MZ 20-40
Max heat transfer kW - Btu/h 35,0-119000 35,8-122000
Minimum primary
water flow
m3/h 1,5
1,5
1,5
1,5
Primary heat
exchanger pressure
drop
mbar 120
130
200
210
Reheating time
to 60°C
min
10
15
19
28
Continuous domestic
water flow
l/mIn 16,8 16,8
17,1
17,1
Volume drawn in
10 min at 40°C
- storage 65°C
litres
229 261
313
476
Volume drawn in
1 hour at 40°C
- storage 65°C
litres
1067
1098
1169
1332
BS performance with FCX
Max heat transfer kW - Btu/h
22,3
22,3
22,3
22,3
Minimum primary
water flow
m3/h 1,0
1,0
1,0
1,0
Primary heat
exchanger pressure
drop
mbar 55
55
95
95
Reheating time
to 60°C
min
15
23
30
45
Continuous domestic
water flow
l/min 10,7 10,7
10,7
10,7
Volume drawn in
10 min at 40°C
- storage 65°C
litres
169
241
313
476
Volume drawn in 1
hour at 40°C
- storage 65°C
litres
702 774
846
1009
• Cold water inlet 10°C.
• Primary (boiler) water temperature set at 80°C
• Reheating time in minutes after a 10 mn drawn
• Max hot water tapping at continuous domestic water flow
IV – WALL MOUNTING
Wall mounting bracket (for BS 100, BS 150, EBS 100 and
EBS 150).
V - CHECK THE ANODE
The anode must be checked once a year :
• Isolate the cold water supply in to installation by using a
stop valve.
• Drop the pressure inside the WW-tank by opening a hot
water tap.
• Unscrew the anode.
• Check the degree of corrosion stage of the anode. If its weight
is under 150 g, replace it with a new one. Replace the sealing
joint and screw in the new anode.
• Open the water supply in the installation.
VI - RELIEF VALVE :
A temperature and pressure relief valve listed as complying
with the Standard for Relief Valves and Automatic Gas Shut-
off Devices for Hot Water Supply Systems, ANSI Z21.22,
shall be installed at the time of installation of the heater in
the locations provided or specified by the manufacturer. Local
codes shall govern the installation of such relief devices.
For safe operation of the water heater, the relief valve(s)
must not be removed or plugged
Pressure relief valve must be manually
operated at least once a year.
Precautions must be taken prior to
operating the relief valve to assure that
hot water discharged from the relief
valve will not contact people or
damage property.
VII - WARNING
• Toxic chemicals, such as used for boiler treatment, shall
not be introduced into the potable water heater used for
space heating.
• Hotter water increases the risk of scald injury. Before
changing temperature setting see the instruction manual.
HOT WATER CAN PRODUCE
3RD
DEGREE BURNS - IN
6 SECONDS AT 140° F (60° C) - IN 30 SECONDS AT
130° F (54° C).
• Maximum permissible potable water outlet temperature
for this appliance is
180° F.
• When system requires water for space heating at
temperatures higher than required for other uses a means
such as a mixing valve shall be installed to temper the
water for those uses in order to reduce scald hazard
potential. See piping diagram below :
