Water Connections Unvented; Cold Water Side; Shunt Pipe; Hot Water Side - State Water Heaters SCE 80-115 Installation, User And Service Manual

3
3.6 Water connections
Unvented
3.6.1
3.6.2
3.6.3
3.6.4
26
Installation

Cold water side

See a in Figure 3.2.
1. On the cold water side fit an approved stop valve i in accordance with the
regulations in force.
See also paragraph '1.3
2. The maximum working pressure of the appliance is 8 bar. Because the
pressure in the water pipe might sometimes be higher than 8 bar, you will
have to fit an approved pressure pressure reduction valve a.
3. Fit a non-return valve e and an expension vessel b.
4. Fit a pressure pressure overflow valve n and connect the overflow side to
an open water drain pipe.

Shunt pipe

You can connect a shunt pump to prevent stacking of the water in the
waterheater.
1. Optional: fit a shunt pipe depending on the tap design (Ø 22 mm), a stop
valve i and a shunt pump shunt pump k.
2. Fit a non-return valve e.
3. Fit a stop valve i.

Hot water side

See b in Figure 3.2.
n Remark
Insulating long hot water pipes prevents unnecessary energy loss.
1. Fit the T&P valve c.
1. Optional: fit a temperature gauge j to check the temperature of the tap
water.
2. Fit a stop valve i in the hot water outlet pipe for servicing.

Drain valve

1. Fit the standard drain valve g supplied.
2. Refer to paragraph 3.6.5
sealing nut supplied with the drain valve complete with packing. See
Figure 3.3.
Regulations'.
if a circulation pipe is to be fitted. Otherwise, fit the
Instruction Manual SCE
is