Slant/Fin VHG-100-CH Installation And Service Manual page 135

Water circulation & temperature regulation (for DHW)
Piping diameter
Total length of straight pipe between boiler & tank
Number of elbows
Number of tees
Temperature rise between inlet and outlet after 5 min. cold-start operating max. power
Water temperature setpoint
Test of Water Flow Switch (DHW)?
Minimum required water pressure in system set to 14.5 psi (1.0 bar)?
Gas supply
Type of Gas from installation
Is gas isolation valve installed under boiler according to installation manual?
Which diameter gas isolation valve is installed?
Gas piping (inside) diameter
Gas piping material (if possible, specify mark/type)
Gas piping flexible (YES/NO)
Gas piping inside structure (e.g. smooth/corrugated)
Measured Gas pressure @Gas valve (Static) **
Measured Gas pressure @Gas valve (dynamic - all gas appliances in the building must
be turned on and running at full load)
Is there a secondary gas pressure regulator before the boiler?
If YES what is the length of the Gas piping in between?
If YES what is the Brand & Model?
Combustion settings
Set for NG (Natural Gas) or LP (Liquid Propane)?
In case of LP: is the right venturi mounted?
CO2 level at high fire ...%
CO2 level on low fire ...%
Flue pressure @ CO2 measuring point at high fire
Flue pressure @ CO2 measuring point at low fire
If cascaded with common flue system run all appliances at HIGH fire and
measure the flue pressure
If cascaded with a common flue system; run all appliances at LOW fire
and measure the flue pressure
Electronics & Power supply
Version Burner Controller Hardware (see paragraph 3.2 for location)
Version Burner Controller Firmware (see paragraph 3.2 for location)
Is ground connected to building grounding system?
Voltage incoming (Hot to Neutral)
Voltage incoming (Hot to Ground)
Voltage measured between Ground and Neutral
Total of amperage switched by the Boiler Control is below 3.5 A or 400 W ?
Additives
Used chemical additions
Mixing Ratio
**Gas valve
Pressure Nipple
E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
°C / °F
(Yes/NO)
(Yes/No)
(YES/NO)
(YES/NO)
(YES/NO)
NG or LP?
(YES/NO)
(YES/NO)
unit:
%
%
Pa
Pa
Pa
Pa
unit:
V
V
V
A
Table 17. 2
135