Gas Pressure Check / Output / Efficiency
Please refer to following page for gas pressure testing procedure.
SIT Valve
Gas pressure requirements
Input Pressure
Minimum
Maximum
Manifold Pressure
High
Low
Tofino i40 (SIT Version)
Gas
NG
NG
LP
LP
Tofino i40 (Maxitrol Version)
Gas
NG
NG
LP
LP
i40 TOFINO
Natural Gas Propane
5.0" WC
12.5" WC
13.9" WC
13.9" WC
3.5" WC
10" WC
1.7" WC
6.4" WC
Orifice
Output
Front AC
40,000 btu/hr (Max) / 12,000 btu/hr (Min)
Rear BC
Front CC
35,000 btu/hr (Max) / 13,500 btu/hr (Min)
Rear DC
Orifice
Output
Front AC
40,000 btu/hr (Max) / 20,000 btu/hr (Min)
Rear BC
Front CC
35,000 btu/hr (Max) / 17,500 btu/hr (Min)
Rear DC
Maxitrol Valve
Gas pressure requirements
Input Pressure
Minimum
Maximum
Manifold Pressure
High
Low
22
Natural Gas Propane
5.0" WC
12.5" WC
13.9" WC
13.9" WC
3.5" WC
10" WC
1.7" WC
2.7" WC
051119-48 100000300