Data Aire’s dap4 Modbus TCP/IP
Document:600‐000‐961version4.0 12
Point
Index
Description
Read/
Write
VariableName
Data
Type
Modbus
TCP/IP
37 Reheat and humidification inhibited from operation* R Rht_Hum_inhibit D 10038
38 Temperature of discharge air below alarm set point* R Disch_Tmp_lo_alm D 10039
39
Manual override: Check bypass switches - Standard alarm. Manual
override switch is on R Override_Alm D 10040
40 High condensation from digital input* R Condensation_alm D 10041
41
Unit in standby, all functions held off - Optional alarm. Control input signal
required Factory setting required* R Unit_In_Standby D 10042
42 Sensor is out of range R CW_sns_fail D 10043
43 Humidifier stopped due to custom alarm switch* R HumSw_Chk_Cyl D 10044
44 Cooling operation inhibited by BMS R/W BMS_Cooling_inhibit D 00045
45 Heat inhibited due to bms* R/W BMS_Heat_inhibit D 00046
46 Humidifier operation inhibited by BMS* R/W BMS_Humidifier_inhibit D 00047
47 Dehumidify mode inhibited by bms* R/W BMS_Dehum_inhibit D 00048
48 Inhibit fan by bms* R/W Fan_Inhibit_bms D 00049
49 Reduces control humidity cycling* R Hum_Expect D 10050
51 Units of temperature 0=F, 1=C R/W USAshr_f_c D 00052
52 Lead compressor select 0= C1, 1= C2 R Lead_Comp D 10053
53 Water valve direct or reverse acting R WtrVlv_dir D 10054
54
Alarm: UPS power on: Check main power -Optional alarm. External alarm
input required* R Ups_On_alm D 10055
55 Loss of power requires manual reset of alarm R PwrUp_alm D 10056
56 Local alarm #1: See tag inside door R SeeTag_cust_alm1 D 10057
57 Local alarm #2: See tag inside door R SeeTag_cust_alm2 D 10058
58 Local alarm #3: See tag inside door R SeeTag_cust_alm3 D 10059
59 Local alarm #4: See tag inside door R SeeTag_cust_alm4 D 10060
60 Enable short cycle alarm of the compressors R ShortCycle_alm_en D 10061
61
Supervisor (BMS) On-Off. Show the state OFFbyBMS in main mask (1: Off;
0: On) R/W Superv_Off D 00062
62 This variable must change at least once a minute or unit will turn on R/W BMS_Heartbeat D 00063
63 HP count lockout reset (seperate from normal alarm resets)* R/W Lockout_Reset D 00064
64 C1 disabled due to excessive HP alarms* R C1_Lockout D 10065
65 C2 disabled due to excessive HP alarms* R C2_Lockout D 10066
66 On-Off unit state (0: Off; 1: On) R Sys_On D 10067
67 Fan running R Blower_On D 10068
*:Thesepointsareoptional–Optionalsensorsorcomponentsrequired