DORCHESTER DR-FC 25, Installation, Commissioning And Maintenance Instructions

Page: 18 / 98

Installation
18 Instruction Manual DR-FC
3
is
3.3.1 Humidity and ambient temperature
The boiler room must be frost-free, or be protected against frost. Table 3.1
shows the environmental conditions that must be adhered to, for correct
functioning of the electronics present in the water heater to be guaranteed.
3.3.2 Maximum floor loading
In connection with the water heater’s weight, take account of the maximum floor
loading, see
Table 3.2 .
3.3.3 Working clearances
For access to the water heater it is recommended that the following
clearances are observed (see
Figure 3.2 ):
• AA: around the water heater’s control column and cleaning openings: 100
cm.
• BB: around the water heater itself: 50 cm.
• Above the water heater (room to replace the anodes):
-
100 cm if using fixed anodes, or
- 50 cm if using flexible anodes.
Table 3.1 Humidity and ambient temperature specifications
Humidity and
ambient
temperature
Humidity max. 93% RH at +25°C
Ambient temperature Functional: 0 ≤ t ≤ 60°C
Table 3.2 Weight specifications related to maximum floor loading
Weight of the water heater filled with water
DR-FC 25 402 kg
DR-FC 30, DR-FC 45, DR-
FC 60
606 kg