Service Manual

SiUS071735E Operation Limit
Appendix 132
3. Operation Limit
RX09/12/15/18/24RMVJU
Notes:
1. The graphs are based on the following conditions.
• Equivalent piping length 25ft
• Level difference 0ft
2. Facility Setting (cooling at low outdoor temperature: only for RX model)
This function is limited only for facilities (the target of air conditioning is equipment such as computers).
Never use it in a residence or office (the space where there is a human).
Indoor fan tap should be fixed to high.
• Cutting jumper 6 (J6) on the circuit board : extend the operation range to 14˚F (-10˚C).
• Installing an air direction adjustment grille (wind baffle) (sold separately) : extend the operation range to -4˚F (-20˚C).
Heating
Cooling
70
122
64.4
114.8
60
104
50
86
41
68
Pull-down period
Continuous operation
32
50
Outdoor temp. (˚FDB)
Outdoor temp. (˚FWB)
23
32
Continuous operation
14
14
5
57.2 68 73.4 82.450 86
68 8650
Indoor temp. (˚FWB)
Indoor temp. (˚FDB)
*NOTE 2
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