Hamworthy UF150-1 Installation, Commissioning And Operating Instructions page 31

4. If combustion is outside of the ranges defined below the factory sealed valves may be adjusted using
the following procedure .
Fig 8.5.3 - Combustion settings
(Note: readings taken with front cover removed and 155mm probe insertion CO = < 80 ppm*).
HAMWORTHY HEATING LTD
Models - UF100 –UF150
High Fire Target
If combustion level is outside of this range use the
Throttle Screw to adjust the mixture.
T
HIS SETTING MUST BE CORRECT BEFORE CONTINUING
To increase the CO
anti-clockwise.
Figure 8.6.4 - Adjusting gas valve throttle
Models - UF200– UF350
High Fire Target
If combustion level is outside of this range use the
Throttle Screw to adjust the mixture.
T
HIS SETTING MUST BE CORRECT BEFORE CONTINUING
To increase the CO
anti-clockwise.
Figure 8.6.4 - Adjusting gas valve throttle
Models - UF100 –UF150
Low Fire Target
If combustion readings are outside target range use a
screwdriver to make adjustments
To increase the CO
clockwise.
Figure 8.6.5—Adjusting gas valve offset
Models - UF200– UF350
Low Fire Target
If combustion readings are outside target range use a
screwdriver to make adjustments
To increase the CO
clockwise.
Figure 8.6.5—Adjusting gas valve offset
25
UPTON FLOOR STANDING SERIES
Nat Gas - 9.0% ±0.2% CO
LPG - 10.55% ±0.2% CO
level, turn the adjustment
2
Nat Gas - 9.0% ±0.2% CO
LPG - 10.55% ±0.2% CO
level, turn the adjustment
2
Nat Gas 8.4% ±0.1% CO
LPG - 9.97% ±0.1% CO
level, turn the adjustment
2
Nat Gas 8.4% ±0.1% CO
LPG - 9.97% ±0.1% CO
level, turn the adjustment
2
2
2
2
2
2
2
2
2
500001340/C