Aprilaire 8800 User Manual

LOCKOUT COMMANDS
FANLK
User fan mode lockout configuration COS: N/A
Permissions: Read/Write
Query
Command
Syntax: SN[#] FANLK?<CR>
Description: Requests the fan lockout configuration setting.
Assignment
Command
Syntax: SN[#] FANLK=[value]<CR>
Description: Sets the fan lockout configuration setting to [value].
Example: SN1 FANLK=0<CR>
Response Syntax: SN[#] FANLK=[value]<CR>
Example: SN1 FANLK=0<CR>
Node address 1 responds with a fan lockout setting of disabled.
Parameters Range
value: fan lockout setting code [0 – 2]
0: lockout disabled
1: time-limited lockout
2: lockout enabled; no changes allowed
The three fan mode lockout settings provide varying degrees of setpoint lockout. Time-limited lockouts must be enabled in conjunction with
the temporary change period (LKTIME command).
MODELK
User system mode lockout configuration COS: N/A
Permissions: Read/Write
Query
Command
Syntax: SN[#] MODELK?<CR>
Description: Requests the mode lockout configuration setting.
Assignment
Command
Syntax: SN[#] MODELK=[value]<CR>
Description: Sets the mode lockout configuration setting to [value].
Example: SN1 MODELK=0<CR>
Response Syntax: SN[#] MODELK=[value]<CR>
Example: SN1 MODELK=0<CR>
Node address 1 responds with a system mode lockout setting of disabled.
Parameters Range
value: system mode lockout setting code [0,2]
0: lockout disabled
2: lockout enabled; no changes allowed
The two system mode lockout settings provide varying degrees of setpoint lockout.
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Aprilaire 8800 Specifications

Thermal Specifications

control temperature range	45º to 99ºF (7º to 32ºC)
display temperature range	32º to 99ºF (0º to 40ºC)
accuracy	± 1ºF (± .5ºC)

Operating Environment

storage temperature	-30º to 140ºF (-34.4º to 60ºC)
operating humidity	5% to 90% relative humidity
operating ambient temperature	32º to 120ºF (0º to 48.9ºC)

Electrical Specifications

voltage AC	24 VAC (18-30 VAC)
maximum load per terminal	1 amp
total maximum load	2.5 amp

Screen

screen size	10.3 sq. in.
backlit	constant low intensity light option
font size	large

Weight and Dimensions

height	4 15/16 inches
width	6 inches
depth	1 5/16 inches