Aprilaire 8800 Setup & Testing, Equipment Type Selection Switch SW1, Press

Setup & Testing

EQUIPMENT TYPE SELECTION SWITCH (SW1)

This thermostat has the option of being used in heat pump or heat/cool systems. Switch SW1 located on the back of the thermostat’s face is used to select this option. This setting can also be checked in the Installer System Settings under Equipment Type..

Note: Thermostat reboots within 10 seconds after switch position is changed..

HC	SW1
	HEAT/COOL
HP
	HEAT PUMP
	HC
	HP

Setup & Testing

INSTALLER SYSTEM SETTINGS TABLE

The following table is the list of the settings and their details. Default settings are shown in bold.. Some settings are only available to thermostats set to heat pump or humidistat mode.

		Factory default setting (bold)
System setting	Description	and setting range
00. NETWORK ADDRESS	Network communication address.	1
		Address selection of 1 to 64 in steps of 1
01. NUMBER OF NODES	Total number of thermostats on the network..	64
		Selection of 1 to 64 in steps of 1
02. BAUD RATE	Communication baud rate.	9600

Installer setup menu

How to enter the installer setup menu to change system settings:

Press [MODE] to set system to OFF..		Press [NEXT] or [BACK] to page through the settings..
Press [MENU] to enter main menu..		Press	or	to adjust the setting.
Press and hold [SETUP] for seven seconds, [INSTALL		Press [DONE] to save and exit, or [CANCEL] to exit
SETUP] appears..		without saving.
Press [INSTALL SETUP] to enter installer setup menu..		The thermostat will discard changes and exit if nothing
		is pressed within 60 seconds.
SETTING	SETTING	To reset the installer settings to the default, reset the
DESCRIPTION	NUMBER
		thermostat by pressing the [RESET] button inside the
SETTING
OPTIONS		battery cover.

		19200
03. CONTROLLER TYPE	Sets controller to Thermostat or Humidistat..	THERMOSTAT
		HUMIDISTAT
04. EQUIPMENT TYPE	Equipment type is set by SW1..	HEAT/COOL
		HEAT PUMP
05. CONTROL SETUP	Used to lockout heating or cooling outputs	HEAT AND COOL
	(only available in Heat/Cool mode).	HEAT ONLY
		COOL ONLY
06. AUTO CHANGEOVER	Enable or disable Auto changeover mode.	DISABLE
		ENABLE
07. NUMBER OF STAGES	Number of stages of equipment.	SINGLE
		MULTI
08. AUX HEAT STAGES	Number of stages of auxiliary heat equipment.	ONE
		TWO
09. Heat/Cool: FAN	Heat/Cool: Determines if the thermostat or	GAS/OIL HEAT (equipment controls fan)
CONTROL IN HEATING	equipment controls the fan in heating..	ELECTRIC HEAT (thermostat controls fan)
Heat Pump: AUXILIARY	Heat Pump: Auxiliary Equipment type.1
EQUIPMENT TYPE
10. Thermostat:	Thermostat: Minimum off time for compressor	5 MINUTES
COMPRESSOR MIN OFF	protection..	1 to 5 MINUTES
TIME	Humidistat: Minimum on/off time for dehumidifier
10. Humidistat:	protection..
DEHUMIDIFIER MIN
ON/OFF TIME
11. Thermostat: HEATING	Thermostat: Minimum off time for heating.	2 MINUTES
MIN OFF TIME	Humidistat: Minimum on/off time for humidifier.	1 to 5 MINUTES

11.Humidistat: HUMIDIFIER MIN ON/OFF TIME

12. EQUIPMENT MIN ON	Minimum on time for heating and cooling..	2 MINUTES
TIME		1 to 5 MINUTES

13.AUTO CHANGEOVER Minimum time between heating and cooling calls.. 4 MINUTES

TIME	1 to 5 MINUTES
14. REMOTE SENSOR	Select if remote sensor is attached at T1 and T2.. NO
	YES

15.OUTDOOR SENSOR Select if outdoor sensor is attached at S1 and S2.. NO

YES

16. CONTROL SENSOR	Control sensor failure response.	STOP CONTROL (enter Error Mode)
BACKUP		USE BUILT-IN
17. FIRST STAGE	1st stage differential..	1°F (0.5°C)
DIFFERENTIAL		1°F to 9°F (0.5°C to 4.5°C)
18. SECOND STAGE	2nd stage differential..	1°F (0.5°C)
DIFFERENTIAL		1°F to 9°F (0.5°C to 4.5°C)

1If utilizing a fossil fuel auxiliary heat system, set to Gas or Oil Furnace. In this setting, the heat pump will lock out before the fossil fuel auxiliary heat comes on; eliminating the need for a dual fuel kit. If utilizing electric auxiliary heat, set to Electric. In this setting, the heat pump and electric auxiliary heat are allowed to run simultaneously.

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