Installation instructions
Use table below to define which restrictor to be used.
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| Total equivalent length (ft) | Restrictor Ø | |
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|
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| |
GWH345 | NG | 20 - 38 | 38 | |
|
| |||
38 - 78 | 40 | |||
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| |||
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|
|
| |
|
|
|
| |
|
| 18 - 28 | 44 | |
NG |
|
| ||
28 - 40 | 47 | |||
GWH450 | ||||
|
| |||
40 - 65 | 50 | |||
|
| |||
|
| 65 - 78 | 55 | |
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|
|
| |
|
| Total equivalent length (ft) | Restrictor Ø | |
|
|
|
| |
GWH345 | LPG | 20 - 38 | 38 | |
|
| |||
38 - 78 | 40 | |||
|
|
|
| |
|
|
|
| |
LPG | 18 - 28 | 47 | ||
|
| |||
GWH450 | 28 - 50 | 50 | ||
|
| |||
50 - 78 | 55 | |||
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|
|
| |
Table 8 Restrictors table
After installation is complete, check CO2 levels per chapter 3.9.
Combustion air inlet connection
The combustion air inlet accessory can only be connected to the top right of the appliance. The left side must remain sealed.
Note: Before installing the combustion air inlet accessory, the appropriate inlet air restrictor must be determined using Tables 6, 7 and 8.
Refer to Fig. 15 for mounting sequence.
BPlace gasket, deflector, gasket and inlet air restrictor on the air inlet opening lining up screw holes as seen in Fig. 15.
Fig. 15 Mounting sequence
aGasket
bDeflector
cRestrictor
dAdaptor
BAttach the combustion air inlet accessory (8 705 504 141) to the top of the unit (position 3) using the 4 screws provided.
BInstall 3" combustion air pipe over the air inlet accessory. If using flexible piping, secure with a clamp (position 4, not included).
Fig. 16 Exhaust air inlet accessory
6 720 607 909 | 17 |
