Aprilaire 8800 - Page 7

Command Description Page
Setup
SCALE Command temperature scale 20
TIME Thermostat time 20
DATE Thermostat calendar date 21
PROGFMT Program format configuration 21
EVTCFG Program event configuration 22
EVTSDAY Number of events per day configuration 22
DLS Daylight savings configuration 23
BLTLVL Backlight intensity level 23
CONSTBLT Constant backlight configuration 24
BLTON Backlight activation 24
Alarms
FLTALMP Air filter alarm period configuration 25
FLTALM Air filter alarm status 26
WPALMP Water panel alarm period configuration 25
WPALM Water panel alarm status 26
HUMTYP Humidifier type configuration 26
DEHALMP Dehumidifier alarm period configuration 25
DEHALM Dehumidifier alarm status 26
SYSALMP HVAC system alarm period configuration 25
SYSALM HVAC system alarm status 26
Lockout
FANLK User fan mode lockout configuration 27
MODELK User system mode lockout configuration 27
NETLK User network override lockout configuration 28
UPDNLK User setpoint lockout configuration 28
LKTIME Time-limited lockout temporary change period 29
LKLIMIT Temperature setpoint change lockout limit 29
PIN Security pin code setting 30
Sensors
TEMP, T Report thermostat room temperature control
value
31
HUM Report humidistat room humidity control value 31
RSM Identify all external sensors on the node’s local
network
32
RxSy Report local network sensor value 33
OT, R Outdoor temperature value 34
OH Report outdoor humidity value 35
BIHUM Report thermostat built-in humidity sensor value 35
RTS Report thermostat remote temperature sensor
value
35
Command Description Page
Temperature Control
MODE, M Thermostat or humidistat control mode setting 36
FAN, F Thermostat fan mode setting 37
SH Controlling heat setpoint value 38
SH++ Increments the controlling heat setpoint value 39
SH-- Decrements the controlling heat setpoint value 39
SC Controlling cool setpoint value 40
SC++ Increments the controlling cool setpoint value 41
SC-- Decrements the controlling cool setpoint value 41
S Controlling setpoint value 42
SP++ Increments the controlling setpoint value 43
SP-- Decrements the controlling setpoint value 43
Humidity Control
SHUM Humidification setpoint value 44
SHUM++ Increments humidification setpoint value 44
SHUM-- Decrements humidification setpoint value 44
SDEH Dehumidification setpoint value 45
SDEH++ Increments dehumidification setpoint value 45
SDEH-- Decrements dehumidification setpoint value 45
Program and Schedule
PROGDxEy Program event (Day: x = 1-7; Event: y = 1-4) 46-47
COPYDx Copy from program day x 48
PERMHOLD Permanent hold 49
VACHOLD Vacation hold configuration 50
TEMPHOLD Temporary hold configuration 51
Status
HVAC, H Thermostat relay output status 52
RECOVSTAT Progressive recovery status 52
HOLDSTAT Thermostat hold status (TEMP and VAC are
read-only)
53
HOLD Network communication override status 53
PROGUPDT Program modification status 54
ERROR Node error status 54
Messaging
PMES1 First message in permanent message sequence 55
PMES2 Second message in permanent message
sequence
55
PMES3 Third message in permanent message sequence 55
PMES4 Fourth message in permanent message
sequence
55
TMPMES Temporary message 55
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