Function And Control - Friedrich ZoneAire Premier R-32 Series Service Manual

Function and Control

Auxiliary dip switch controls are located behind front
panel, through an opening below the control panel.
To access, remove front panel.
Dip switches are accessible without opening the
control box. Unit must be powered OFF to
effectively change their status.
Factory settings for dip switches will be in the DOWN
position. See Table 5-Dip Switch Functions for
functions of each dip switch position.
Dip switch
No.
1
2 Wall Thermostat Enable
UP* UP
68 ---75°F
6 5
7
Electric Heating Only/Emergency Heat (For Heat Pump Units Only)
This setting is typically used for Emergency Heating.
Wall Thermostat Enable
A wired wall thermostat can be connected to the unit. If it is, this dipswitch must be moved to the Wall
Thermostat Enable Position, before the wall thermostat will begin control.
Setpoint Temperature Limits
Provides a restricted range of temperature control.
Room Freeze Protection
If unit senses a room temperature below 40°F, the fan motor and electric strip heat will turn on and
warm the room to 50°F. The fan stops a short time after the temperature is satisfied.
16
OPERATION
Figure 305 (Dip Switches)
Table 306 (DIP SWITCH FUNCTIONS)
UP
Electric Heat Only
UP* DOWN
63 ---80°F
Freeze Guard Disable
UP
Dow n
Freeze guard
Setpoint Limit 1
Setpoint Limit 2
Wall Thermostat enable
Electric heat only (for Heat Pumps ）
DOWN
Heat Pump
Control Panel Enable
DOWN* DOWN
DOWN* UP
61 ---86°F
65 ---78°F
(full range)
Freeze Guard Enable
Dip Switches
Figure 304 (Dipswitch Location on Unit)
REMARKS
For Heat Pump unit only.
Two configurations (5* 6)
combine to selec t set point
range.
When set point limit set, dis-
play al ways sh ows full
range.
DEFAULT
DOWN
DOWN
DOWN* DOWN
61 ---86°F
DOWN