Pre Adjustment Settings For Gas Valves; Gas Valve Setting Screws: Drawing - Lochinvar TTW Series Installation, Commissioning And Maintenance Instructions

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)
93