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APPENDIX C
PRESSURE CHECK DIAGRAM
PG9UAA PRESSURE SWITCH MAKE/BREAK POINTS
UNIT SIZE (BTUH)
HIGH--HEAT PRESSURE SWITCH
LOW--HEAT PRESSURE SWITCH
Make Point
Break Point
Make Point
Break Point
60,000
1.81 in. W.C. max
1.63 in. W.C. +/-- 0.05
0.86 in. W.C. max
0.71 in. W.C. +/-- 0.05
80,000
0.91 in. W.C. max
0.76 in. W.C. +/-- 0.05
100,000
0.95 in. W.C. max
0.81 in. W.C. +/-- 0.05
120,000
0.86 in. W.C. max
0.71 in. W.C. +/-- 0.05
0-4 IN.
SLOPE GAGE
A95050
Fig. 4 -- Pressure Check Diagram