Sit 650 DELTA - TECHNICAL DATA

650 DELTA USE AND INSTALLATION INSTRUCTIONS
MAIN FEATURES
• Inlet filter (FL)
• Control knob for off, pilot and temperature selection (MS)
• Thermoelectric flame supervision device (GM)
• Non-resettable safety thermostat (TL)
• ON/OFF adjustable thermostat (TH)
• Pressure regulator on main burner (PR)
• Pilot filter (PFL)
• Pressure regulator on pilot burner (PPR)
• Outlet pressure test point
650 DELTA is a combination gas control with thermoelectric flame supervision device and ON/OFF
thermostatic control.
650 DELTA is designed and intended for gas fired storage water heaters.
2
TECHNICAL DATA
Inlet gas connection 1/2” NPT
Main burner outlet 0.7500 - 18 - UNS 2B inverted flare
Pilot outlet 7/16”- 24 - UNS 2B
Mounting shank 3/4” NPT
Thermocouple connection 11/32” ASA
Outlet pressure test point 1/8” NPT
Installation position any position with shank in horizontal position
Gas families Natural Gas or Liquefied Petroleum Gas
Maximum inlet pressure 1/2 PSI
Main outlet pressure setting range 3"... 5" w.c. for NG and 8"...12" w.c. for LPG
Pilot outlet pressure setting range
3"... 6" w.c. for NG and 8"...12" w.c. for LPG
Ambient temperature range 32...175 °F
GM
INLET
MAIN
PILOT
BURNER
BURNER
TH
PR
PPR
PFL
TL
MS
FL
GAS