andrews MAXXflo EVO CWH 150/302 Installation And Maintenance Manual page 48

• Secure the venturi onto the fan using 2 screws
• Secure the venturi onto the gas valve with the remaining 3 screws. Ensure the rubber seal and orifi ce
remains in place inside the gas valve outlet.
• Replace the air intake hose onto the venturi. Compress the spring clip when fi tting in place
• Using a 4mm allen key or large fl atblade screwdriver, make an intial adjustment to the throttle adjustment
screw according to the table above.
CO
_
2 2
• Follow the commissioning procedure in section 5.2 from page 35 with the exception that
tion fi gure should now be as listed in the table above for LPG (G31)
It should not be necessary to turn the throttle screw more than two turns away from the initial
adjustment setting to achieve ignition. If this is the case, ensure that the components are refi tted
correctly and also be aware that the gas carrying pipes may need purging before gas is available
for ignition at the burner.
• Allow one minute between adjustments, and do not move the adjuster more than 1/4 turn at any one time
• Replace the cover over the throttle adjustment screw, when adjustment is complete
• Repeat process above for the second heat engine
• Affi x the new LPG serial number data label supplied with the heater over the top of the existing natural
gas data plate
Fix new data plate
over original
• Fit LPG warning label to heater cover.
Commissioning
Model MAXXfl o EVO 150
LPG Orifi ce size
Initial Adjustment
G20 to G31
CO Combustion
2
Figure - LPG (G31)
CO
2
+
CATEGORY: I3P
FLUE TYPES: B23,C13,C33,C53,C63
0558-22
LPG ONLY ADJUSTED FOR G31 @ 37mbar
CATEGORY: I2H CATEGORY: I2H
FLUE TYPES: B23,C13,C33,C53,C63 FLUE TYPES: B23,C13,C33,C53,C63
MAXXflo EVO
0558-22 0558-22
7800597
MODEL:
CWH 150/302
NG ONLY ADJUSTED FOR G20 @ 20mbar NG ONLY ADJUSTED FOR G20 @ 20m
HEAT INPUT (GROSS) Q(Hs)= 147.8kW
HEAT INPUT (NET) Q(Hi)= 136.0kW
MAXXflo EVO MAXXflo EVO
MODEL: MODEL:
HEAT OUTPUT P= 148.2kW
CWH 150/302 CWH 150/302
CO MAX RATE 9.9% (± 0.2%)
2
HEAT INPUT (GROSS) HEAT INPUT (GROSS)
HEAT INPUT (NET) HEAT INPUT (NET)
This appliance may only be installed in a room which complies with the
appropriate ventilation requirements. Read the technical instructions before
HEAT OUTPUT HEAT OUTPUT
installing this appliance.
CONDENSING APPLIANCE
CO CO MAX RATE MAX RATE
2 2
MAX WORKING PRESSURE 9 bar
CAPACITY 300 Litres
POWER SUPPLY 230V ~ 50Hz, IP20, 359W
This appliance may only be installed in a room which complies with This appliance may only be installed in a room which complies with the
PIN CODE 0558CU2236 / 0063CT3553
appropriate ventilation requirements. Read the technical appropriate ventilation requirements. Read the technical instructions before
COUNTRIES OF DESTINATION UK:IE
installing this appliance. installing this appliance.
CONDENSING APPLIANCE CONDENSING APPLIANCE
MAX WORKING PRESSURE MAX WORKING PRESSURE
2022 Serial 123456789
Year:
CAPACITY CAPACITY
No:
POWER SUPPLY POWER SUPPLY
PIN CODE PIN CODE
Manufactured by Malvern Boilers Ltd, Malvern, WR14 1BW, for: COUNTRIES OF DESTINATION COUNTRIES OF DESTINATION
Baxi Heating UK Ltd, Coventry Road, Warwick, UK CV34 4LL
2022 2022 Serial Serial
Year: Year:
No: No:
Manufactured by Malvern Boilers Ltd, Malvern, WR14 1BW, for: Manufactured by Malvern Boilers Ltd, Malvern, WR14 1BW, for:
Baxi Heating UK Ltd, Coventry Road, Warwick, UK CV34 4LL Baxi Heating UK Ltd, Coventry Road, Warwick, UK CV34 4LL
6.0 mm
0.5 turns
anti-clockwise
9.8% +/- 0.2%
T T Throttle adjustment screw
0063-22
0063-22 006 6 3-22
m bar
7800597 78005 5 97
Q(Hs)= Q(Hs)= 151.0k 151.0kW k W
Q(Hi)= Q(Hi)= 136.0kW 136.0k k W
P= P= 148.2kW 148.2k k W
9.0% (± 0.2%) 9.0% (± 0.2%)
the e
instructions b b efore
9 bar 9 bar
300 Litres 300 Litres
230V ~ 50Hz, IP20, 359W 230V ~ 50Hz, IP20, 3 3 59W
0558CU2236 / 0063C 0558CU2236 / 0063CT3553 C T3553
M10120A UK:IE UK:IE
123456789 123456789
M10120A M10120
48
the CO combus-
2
MAXXfl o EVO 150/302