Operating Conditions; Heater Bank Information - Miele PDR 914 Operating And Installation Instructions

Operating condi-
tions
Heater bank infor-
mation
Operating pressure
87 - 145 psi / 600 – 1,000 kPa
(6 – 10 bar)
For reasons of efficiency, the operating pressures must not fall below
the specified values.
 The appliances must not be connected to a hot oil circulation
system.
To avoid damage to the heater bank the following must be observed
during commissioning:
- In order to avoid unnecessary heat variations, ensure that heating is
even.
- In order to avoid corrosion, the feed water must be processed. In
particular, when the appliance is not in operation, it must be en-
sured that no air or CO
- The heater bank must be protected from aggressive gases.
- The entire heating system must guarantee that no operating pres-
sure or temperature can arise that is higher than the details given on
the data plate.
- The system must not be connected to the drinking water supply.
- All appropriate regulations, standards, and legislation from responsi-
ble authorities and accident prevention associations for heating and
ventilation systems (in particular for the operation of the heat ex-
changer) must be observed.
 Once the appliance has been connected, re-install all the hous-
ing parts that were removed.
Feed water temperature
158 – 203°F (70 – 95°C)
can enter the system.
2
Installation
Peak capacity
1.32 – 6.6 gal/min (0.3 – 1.5 m³/
h)
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