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Lochinvar Manuals
Water Heater
TTW Series
Installation, commissioning and maintenance instructions
Pre Adjustment Settings For Gas Valves; Gas Valve Setting Screws: Drawing - Lochinvar TTW Series Installation, Commissioning And Maintenance Instructions
Floor standing gas fired condensing circulating type water heater
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PRE ADJUSTMENT SETTINGS GAS VALVES
WATER HEATER TYPE
top
TTW 410
bottom
top
TTW 580
bottom
1
In accordance with EN437
20.1.3
PRE ADJUSTMENT SETTINGS FOR GAS VALVES
20.1.4
GAS VALVE SETTING SCREWS: DRAWING
NAT. GAS G20
BURNER
NUMBER OF TURNS OPEN (COUNTER CLOCKWISE)
1
AND G25
1
2.5
3.0
3.5
3.5
Nr.
Description
1
Removable cap
Adjustment at maximum load.
Use Allen key no. 3
2
higher:
lower:
Adjustment at minimum load.
Use Torx T40 key
3
higher:
lower:
4
Gas supply pressure nipple
PROPANE G31
1
AND B/P
0.75
0.75
1.0
1.0
turn left
(CCW)
turn right
(CW)
turn right
(CW)
turn left
(CCW)
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This manual is also suitable for:
Ttw410
Ttw580
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