Outdoor Unit Interface

Note: This feature is only applicable to Daikin, Gree, Hitachi, Haier, Hisense, Midea, Mitsubishi Heavy Industries, Toshiba, and Qingdao YORK. Please contact Milesight Sales Support before use.

Query Operating Parameters

Command Direction Description
ou_merge_param Server → Controller Queries outdoor unit operating parameters.

Request Example

{
    "sn": 37,
    "cmd": "ou_merge_param",                              
    "uuid": "fa0000014000012402201180001015134",
    "body": {
            "addrs": [        
                "1-1-1",        
                "1-2-1"        
            ]
    }
}
Response Example
{
    "sn": 37,
    "cmd": "ou_merge_param",                   
    "uuid": "fa0000014000012402201180001015134",
    "body": {
        "iumsg": [                  
{                                
               "addr": "1-1-1-0",   
                "ma": 1,            
                "model": "MediaV8", 
                "cpt": 100,         
                "type": "v",        
                "wm": 1,            
                "cttof": 99,        
                "caoff1": 0,        
                "caof1": 99,      
                "caoff2": 1,        
                "caof2": 99,        
                "cpsc1": 99,        
                "cpsc2": 99,        
                "het": 99,         
                "dptc1": 99,        
                "dptc2": 99,        
                "cs1": 99,         
                "cs2": 99,        
                "at": 99,        
                "hp": 99,        
                "lp": 99,          
                "evaf": 0,     
                "eva": 99,          
                "fwsf": 99,       
                "fws": 99,        
                "df": 0,            
                "rt": 0,           
                "acs": "01"           
            }
        ]
    }
}
Parameters
Name Description
addrs Target indoor unit address. An empty array applies to all indoor units.
Response Fields
Name Description
addr Four-part outdoor unit address.
ma Primary/Secondary.
  • 1: Primary
  • 0: Secondary
model Model.
cpt Capacity.
type v: Refrigerant-system air conditioner.
wm Working mode
  • 0 = Cool
  • 1 = Heat
  • 2 = Standby
  • 3 = Simultaneous cool and heat
cttof Total target operating frequency of the compressor, Unit: Hz.
caoff1/2 Unit flag for actual compressor frequency/speed.
  • 0: frequency (Hz)
  • 1: speed (rps)
caof1/2 Actual compressor operating frequency/speed.
cpsc1/2 Compressor current, Unit: A.
het Heat exchanger temperature, Unit: °C.
dptc1/2 Compressor discharge temperature, Unit: °C.
cs1/2 Compressor superheat, Unit: °C.
at Ambient temperature.
hp/lp High/low pressure, Unit: MPa.
evaf Electronic Expansion Valve Opening Unit Flag
  • 0: pls
  • 1: %
eva Electronic Expansion Valve Opening
fwsf Fan Speed Unit Flag
  • 0: lev
  • 1: rps
fws Fan Speed
df Defrost status
  • 0: No
  • 1: Yes
rt Test run status
  • 0: No
  • 1: Yes
acs Alarm code.