
4
RIVA PLUS COMBI MANUAL
Table of Contents
Section Title
Section Number
Page Number
Primary-Secondary with Zone Valves
14.2
33
Manifold Piping with Zone Valves or Circ.
14.3
34
Commissioning 15
35-41
Initial Filling of the System
15.1
35
Lightning the Boiler
15.2
35
Checking the Gas Pres. at the Burner
15.3
36
Adjustment of the Gas Pressure
15.4
37
Checking the Ignition Device
15.5
37
Checking the Burner Ignition
15.6
38
Adjustment of the Useful c.h. Output
15.7
38
Labels Placement
15.8
38
Checking the Flue System and Comb.
15.9
39
Instructing the User
15.10
40
Gas Conversion
16
41
Annual Maintenance
17
42-44
Warnings 17.1
42
Dismantelling the External Panels
17.2
42
Emptying the C.h. System
17.3
42
Emptying the D.h.w.circuit
17.4
43
Cleanig the Burner.
17.5
43
Checking the combustion fan
17.6
43
Checking the Flue
17.7
43
Checking the press. in the exp.vassel
17.8
44
Visual Inspection of Appliance
17.9
44
Gas Pressures and Soundness
17.10
44
Cleanig the primary heat exchanger
17.11
44
Cleanig the domestic hot water exchanger 17.12
44
Condensate trap
17.13
44
Vent Part Spares
18
45-47
Installer Notes
19
48