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4-Pass
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TXV #1
TXV #2
Compressor #1
Muffler
Compressor #1
Muffler
HPS & LPS mounted on
compressor
HPS & LPS mounted on
compressor
HPS- HK02ZA428
Cut-In - 320 PSI
Cut-out - 420 PSI
LPS - HK02ZB027
Cut -In - 22 PSI
Cut-out - 7 PSI
LEGEND
Fig. 91 — Typical Refrigerant Circuiting (48AJ,AK,AW,AY060)
HPS —
High-Pressure Switch
LPS —
Low-Pressure Switch
TXV —
Thermostatic Expansion Valve
Summary of Contents for WEATHERMAKER 48AJ020
Page 3: ...3 Fig 1 Roof Curb 48AJ AK020 030 and 48EJ EK024 034 Units ...
Page 4: ...4 Fig 2 Roof Curb 48AJ AK034 050 and 48EJ EK038 048 Units ...
Page 5: ...5 Fig 3 Roof Curb 48AJ AK060 and 48EJ EK054 068 Units ...
Page 97: ...97 Fig 78 Typical 48EK VAV 24 V Control Circuit ...
Page 99: ...99 Fig 80 Typical 48EK VAV 115 V Control Circuit ...
Page 100: ...100 Fig 81 Typical 48EJ CV 115 V Control Circuit ...
Page 101: ...101 Fig 82 Label Diagram Staged Gas Heat 48AJ AK AW AY020 050 and 48EJ EK EW EY024 048 Units ...
Page 102: ...102 Fig 83 Label Diagram Staged Gas Heat 48AJ AK AW AY060 and 48EJ EK EW EY054 068 Units ...