Unical Alkon Cargo 35, Installation Manual

Page: 14 / 48

14
Instructions for the installer
3.4 - BOILER LOCATION
When selecting the position for the installation of the boiler
please comply to the following safety requirements:
- Fit the appliance in rooms protected from frost
- In rooms where aggressive vapours or dust are present, the
appliance must be able to operate independently from the
air of the location room
- Do not use or leave explosive or easily inflammable material
(as for example: petrol, paint, paper) in the room where the
appliance has been installed
- The appliance must be installed exclusively on a vertical
and solid wall, capable of adequately supporting the weight
of the boiler
- Leave a clearance of at least 100 mm on each side of the
boiler to facilitate subsequent servicing
VIEW ON WALL
C Hot water outlet ½”
F Cold water inlet ½”
G Gas supply ¾”
M1 System flow ¾” – zone 1 (MIXED)
M2 System flow ¾” – zone 2 (DIRECT)
M3 System flow ¾” –zone 3 (MIXED) (optional)
R1 System return ¾” zone 1 (MIXED)
R2 System return ¾” – zone 2 (DIRECT)
R3 System return ¾” zone 3 (MIXED) (optional)
Ri DHW recycle ½”
VSS DHW safety valve
VSR CH safety valve
S
Condensate drain outlet
S
R3 R2
G
R1
M3 M2 M1
C
VSS
Ri
F
VSR