Ochsner AIR BASIC 109, Operating Manual/Installation Manual

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BA_AIR_BASIC_ELW_Multitower_OTE3_SW5x_CC_EN_V08.docx Page 38 of 92
4.2.3.4 Safety valve
Figure 49: Drain hose, safety valve
1 Drain pipe
2 Fixing
3 Drain
-
Size the drain hose to ensure water can
drain freely when the safety valve is fully
open.
- Ensure that the safety valve drain hose is
open to the atmosphere.
-
Route the safety valve drain hose with a
continuous slope to the drain.
-
Secure the drain hose to prevent
movement when water is running out.
4.2.3.5 DHW connection and safety
assembly
CAUTION
Do not exceed the maximum pressure.
(See Specification)
CAUTION
The appliance must be operated with
pressure fittings.
Cold water pipe:
Permitted materials are galvanised steel, stainless
steel, copper and plastic.
CAUTION
A safety valve is required.
DHW pipe
Permitted materials are stainless steel, copper and
plastic.
Connection:
- Thoroughly flush the pipes.
- Install the DHW outlet pipe and the cold
water inlet pipe. (see Specification /
Dimensions and connections)
-
Install a type-tested safety valve in the
cold water inlet pipe. Note that,
depending on the supply pressure, a
pressure
reducing valve may be
additionally required.
-
Size the drain pipe to ensure water can
drain freely when the safety valve is fully
open.
- The safety valve drain opening must
remain open to the atmosphere.
- Route the safety valve drain pipe with a
continuous slope.
1
2
3