52C
SERIES
OPERATION
COMFORT CONTROLS
■ ADJUST AIRFLOW DIRECTION — The discharge |
air grille is mounted on the front panel so that the air |
discharges forward. If upward discharge is required, |
remove the grille by removing screws on back of front |
panel. Rotate grille 180 degrees and reinstall on the |
front panel. |
■ ADJUST VENT — The vent handle is on the left |
side of the unit. Turn handle to open or close vent. |
Vent will remain in last desired position until handle |
| 75 |
80 | 70 |
|
8565
90 
60
TEMPERATURE
CONTROL
STANDOFF
PINS
CON
is turned again. Magnet will ensure positive closure. |
See Figure 13. |
■ SETTING TEMPERATURE LIMITS — Setting tem- |
perature limits on the unit provides the user a |
restricted range of temperature control. See Figure 14. |
NOTE: This adjustment is optional and is not appli- cable to remote control units.
The temperature limits are factory set to full range, which is 60 F to 90 F. To set restricted rotation of the temperature control knob:
1.Remove front panel.
2.Remove temperature control knob to expose tem- perature limiter.
3.Remove standoff pins from the 60 F and 90 F indi- cator holes.
4.Replace standoff pin in hole for desired minimum temperature.
5.Replace standoff pin in hole for desired maximum temperature.
6.Reinstall temperature control knob.
7.Reinstall front panel.
NOTE: Temperature indicators stamped on tem- perature limiter are approximate and represent degrees F.
FAN CYCLE SWITCH
CYC
OUTDOOR THERMOSTAT (HEAT PUMP UNITS ONLY)
VENT HANDLE
MAGNET
CLOSE
OP | EN |
|
VENT VENT
DOOR FILTER
FIGURE 13 — 52C VENT DOOR
FIGURE 14 — 52C OPERATING CONTROLS
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