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QHT RIVA FP Manuals
Manuals and User Guides for QHT RIVA FP. We have
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QHT RIVA FP manual available for free PDF download: Service Instructions Manual
QHT RIVA FP Service Instructions Manual (52 pages)
WALL HUNG GAS BOILER FOR CENTRAL HEATING SUPPLY
Brand:
QHT
| Category:
Boiler
| Size: 10.46 MB
Table of Contents
Table of Contents
4
Overall View
6
Hydraulic Diagram
6
Electrical Diagram
7
Gas Adjustment Data
8
Fault Finding
9
Circuit Voltages
10
Operation Lights
11
Start up Checks
11
Gas Conversion
12
Table of Contents
14
General Access and Emptying the Hydraulic Circuits
17
Access to the Sealed Chamber
17
Body Panels
17
Control Panel
17
Emptying the Primary Circuit
17
Primary Heat Exchanger
19
Nomenclature
17
Cleaning
19
Pump
21
Function
19
Removal
19
Checks
21
Three Way Diverter Valve
23
Anti-Frost System
25
Checking the Temperature
25
Checks
25
Control P.C.b. 11.62
25
Dip-Switch Selectors
25
Function
25
Ignition Gas Pressure Adjustment
25
Max C.h. Power Regulation
25
Operation Lights
25
Selection and Adjustment Devices
25
Hydraulic Parts Checking System
29
Fan and Air Pressure Device 11.61
32
Checks
32
Full Sequence Ignition Device S4567A-1019
33
Checks
33
Function
33
Ignition and Control Sequence
33
Modulating Gas Valve
35
Removal
33
Adjustment
35
Checks
35
Function
35
Nomenclature
35
Removal of the Gas Valve
35
Primary Circuit Flow Switch
37
Checks
37
Function
37
Removal
37
Checks
40
Function
40
Removal
40
Fan, Venturi Device and Air Pressure Switch
43
Removal of the C.h. Expansion Vessel
40
Removal of the D.h.w. Expansion Vessel
40
Removal of the Temperature-Pressure Gauge
40
Checks
43
Function
43
Removal of the Fan
43
Ignition and Detection Electrodes, Burner and Injectors
45
Checks
45
Function
45
Removal
45
Safety Thermostat
47
Checks
47
Function
47
Removal
47
Electric Resistances
49
Fan Resistance
49
Short Spare Parts List
50
Gas Valve Resistance
49
Pump Resistance
49
Temperature Probe NTC Resistance
49
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