
| McQuay Micro Tech Open Protocol Driver Manual | 
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 | Page 21 of 35 | |||||
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 | Array | Read/ | 
 | Number | Base | 
 | Device | 
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 | Write/ | Field Name | 
 | Scaling6 | 
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 | Location | of Bytes | Address | 
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 | Both | 
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 | Method | 
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 | 30 | r | Circuit #2 Condenser Pressure | 2 | 0x0469 | 
 | 2 | 
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 | 32 | r | Circuit #2 Alarm Conditions: Condenser Pressure | 2 | 0x082A | 
 | 2 | 
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 | 34 | r | Circuit #2 Alarm Conditions: Evaporator Pressure | 2 | 0x0828 | 
 | 2 | 
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 | 36 | r | Circuit #2 Alarm Conditions: Liquid Line Tempe | 2 | 0x082E | 
 | 6 | 
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 | 38 | r | Circuit #2 Alarm Conditions: Suction Temperature | 2 | 0x082C | 
 | 6 | 
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 | 39 | r | Circuit #2 Current Alarm | 1 | 0x0832 | 
 | 1 | 
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 | 41 | r | Circuit #2 Evaporator Pressure | 2 | 0x0465 | 
 | 2 | 
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 | 43 | r | Circuit #2 Liquid Line Temperature | 2 | 0x047B | 
 | 6 | 
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 | 44 | r | Circuit #2 Previous Alarm | 1 | 0x0834 | 
 | 1 | 
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 | 45 | r | Circuit #2 Status | 1 | 0x0429 | 
 | 1 | 
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 | 47 | r | Circuit #2 Subcooling Temperature | 2 | 0x049D | 
 | 2 | 
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 | 49 | r | Circuit #2 Suction Temperature | 2 | 0x0477 | 
 | 6 | 
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 | 51 | r | Circuit #2 Superheat Temperature | 2 | 0x0495 | 
 | 2 | 
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 | 53 | r | Compressor #1 Operating Hours | 2 | 0x0862 | 
 | 1 | 
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 | 55 | r | Compressor #1 Starts | 2 | 0x086A | 
 | 1 | 
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 | 57 | r | Compressor #2 Operating Hours | 2 | 0x0864 | 
 | 1 | 
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 | 59 | r | Compressor #2 Starts | 2 | 0x086C | 
 | 1 | 
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 | 61 | r | Compressor #3 Operating Hours | 2 | 0x0866 | 
 | 1 | 
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 | 63 | r | Compressor #3 Starts | 2 | 0x086E | 
 | 1 | 
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 | 65 | r | Compressor #4 Operating Hours | 2 | 0x0868 | 
 | 1 | 
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 | 67 | r | Compressor #4 Starts | 2 | 0x0870 | 
 | 1 | 
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 | 69 | r | Condenser Entering Water Temperature | 2 | 0x0470 | 
 | 6 | 
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 | 71 | r | Condenser Leaving Water Temperature | 2 | 0x0472 | 
 | 6 | 
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 | 73 | r | Evaporator Entering Water Temperature | 2 | 0x046E | 
 | 6 | 
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 | 75 | r | Evaporator Leaving Water Temperature | 2 | 0x0461 | 
 | 6 | 
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 | 76 | r | Heat/Cool Switch | 1 | 0x08B4 | 
 | 1 | 
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 | 78 | r | OaT | 2 | 0x047D | 
 | 6 | 
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 | 79 | r | Stage of Capacity | 1 | 0x042B | 
 | 1 | 
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 | 80 | r | Unit % RLA | 1 | 0x0474 | 
 | 1 | 
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 | 81 | r | Unit Status | 1 | 0x0427 | 
 | 1 | 
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 | 82 | b | Clear Circuit #1 Alarm | 1 | 0x091A | 
 | 1 | 
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 | 83 | b | Clear Circuit #2 Alarm | 1 | 0x091B | 
 | 1 | 
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 | 84 | b | Condenser Leaving Water Temperature Setpoint | 1 | 0x097D | 
 | 1 | 
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 | 85 | b | Evaporator Entering Water Temperature Setpoint | 1 | 0x090D | 
 | 4 | 
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 | 86 | b | Evaporator Leaving Water Temperature Setpoint | 1 | 0x0905 | 
 | 4 | 
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 | 87 | b | Maximum Water Reset Setpoint | 1 | 0x090C | 
 | 4 | 
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 | 88 | b | Network Command | 1 | 0x044F | 
 | 1 | 
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 | 89 | b | Network Demand Limit | 1 | 0x044D | 
 | 1 | 
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 | 90 | b | Network Leaving Water Temperature Reset | 1 | 0x044E | 
 | 1 | 
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 | 91 | b | Reset Option Setpoint | 1 | 0x090B | 
 | 1 | 
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