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

Page: 29 / 98

Electrical connection
Instruction Manual DR-FC 29
is
3.9.2 Concentric roof flue terminal
Hamworthy prescribes the roof flue terminal (installation type C33) as specified
in
Table 3.8 .
3.10 Electrical
connection
Warning
The installation should be carried out by an approved installer in compliance
with the general and local regulations imposed by the gas, water and power
supply companies and the fire service.
Refer also to paragraph
’1.3 Regulations and documents’ .
3.10.1 Introduction
Topics covered in this paragraph:
•
3.10.2 Preparation ;
• 3.10.3 Mains voltage ;
Optionally, it is possible to connect an isolating transformer, a continuous pump,
a program-controlled pump, a
“
Heater ON” and an “Alarm OFF” to the water
heater. For these options, see:
•
3.10.4 Isolating Transformer ;
• 3.10.5 Continuous pump ;
IMD-0398
Figure 3.5 Roof flue terminal
Table 3.8 Concentric roof flue terminal specifications
Specification Description
Manufacturer Muelink & Grol
Model M2000 DDV SEC HR
(1)
1. The model M2000 DDV SEC HR is a special version of the Mugro 3000 series. No other
roof flue terminal may be used, as the DR-FC- water heater is approved exclusively for
this model of roof flue terminal. You can order the roof flue terminal from Hamworthy or
your trade supplier, by specifying model: M2000 DDV SEC HR.
Pipe material, flue gas
discharge
Thick-walled lip ring seal
Pipe material, air intake Thin-walled galvanised sheet steel
Pipe diameter Concentric
•
DR-FC 25: 80/125 mm.
• DR-FC 30, 45 and 60: Ø 100/150 mm.