GE Monogram manual Auxiliary Control Switches, and 3900 Series, Cooling Temperature Limits

Auxiliary Control Switches

These switches are located behind the room cabinet under the control panel.

2900 and 3900 Series

Switches	Description
Left Switches
(1)	ALL I2R	Heat pump override —
		Down — Normal heat pump operation
		Up — resistance heat only (3900 Series only)
(2)	C: FAN	Fan control for cooling operation —
		Down — Fan Continuous
		Up — Fan Cycle
(3)	H: FAN	Fan control for heating operation —
		Down — Fan Cycle
		Up — Fan Continuous
(4)	CLASS 2	Remote Thermostat Mode —
		Down — Unit Control
		Up — Remote Thermostat
(5)	LOAD SHED	Load Shedding when connected to Central Desk Control System —
		Down — Fan shuts off with unit
		Up — Fan under “Smart Fan” settings
(6)	FREEZ S	Freeze Sentinel™ Override —
		Down — Freeze Sentinel ON
		Up — Freeze Sentinel OFF
(7)	CONST FAN	Constant Fan —
		Down — Fan runs normally
		Up — Fan runs when unit is in STOP position
Right Switches
TL1 – TL3		Cooling temperature limiting (See table at bottom of page)
TL4 – TL6		Heating temperature limiting (See table at bottom of page)
(7)		Heat Sentinel switch —
		Down — Heat Sentinel OFF
		Up — Heat Sentinel ON
(8)		Heat Boost (3900 series only) —
		Down — Heat Boost OFF
		Up — Heat Boost ON

Auxiliary (2900 and 3900 series)

3900 Series shown	UP
	DOWN	1	2	3	4	5	6	7	8

ALLI2R (All Electric Heat) (3900 Series models only)

C:FAN CN (Cooling–Smart Fan)

H:FAN CY (Heating–Smart Fan) CLASS 2 (Remote Thermostat)

LOAD SHEDDING (CDC) FREEZ Sen (Freeze Sentinel)

CONST FAN (Constant ON Fan)

NO FUNCTION (Reserved for future use)

1 2 3

HIGH C4OOL5 6

7 8

UP

DOWN

HEAT BOOST

(3900 Series models only) Heat Sentinel

TL1 (H) (Temp. Limit 1–Heat) TL2 (H) (Temp. Limit 2–Heat) TL3 (H) (Temp. Limit 3–Heat)

TL1 (C) (Temp. Limit 1–Cool) TL2 (C) (Temp. Limit 2–Cool) TL3 (C) (Temp. Limit 3–Cool)

Cooling and Heating temperature limits are set independently, temperature limiting switches are in factory-set down position, except as noted.

Cooling Temperature Limits

Switches Up		NONE	1	1, 2	2	2, 3	1, 2, 3	1, 3	3
		60	64	66	68	70	72	74	76
	Heating Temperature Limits
Switches Up		6	4, 6	4, 5, 6	5, 6	5	4, 5	4	NONE
		65	70	72	74	76	78	80	85

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