Carrier 51CM - Manual (Page 14)

Fig. 27 — Removing Filter
TIMER
ASSEMBLY
Fig. 28 — Control Box Components
27 Thermostat — Thermostat is a cioss ambient
device Be careful not to damage sensing element
of theimostat when handling See Thermostat
location in Fig 28 To remove
a Slide control box out Refer to contiol box
insti actions
b Remove 2 screws fiom bottom of control box
which fasten thermostat bracket to control box
Some units have a third screw located at front
of box
c Carefully pull wires from thermostat terminals
Mark or label wires to aid in reassembly
d Remove thermostat and bracket from control box
e Detach thermostat from bracket
f Reverse above procedure for reassembly
28 Cool-Heat Control — See location ot Cool-Heat
Control in Fig 28
a Slide control box out Refer to control box
instructions
b Remove 2 screws holding cool-heat control to
front of control box
c Carefully pull wires from cool-heat control ter­
minals Mark or label wires to aid in reassembly
d Reverse above procedure for reassembly
29 Timer Assembly — See location of Timer
Assembly in Fig 28
a Slide control box out Reier to control box
instructions
b Remove timer cover by squeezing sides and pull­
ing cover straight out
c Careiully remove wires from timet assembly
Mark or label wires to aid in reassembly
d Remove 2 screws securing timer and pull timer
through front of control box
e Reverse procedure for reassembly
30 Run Capacitor — See location of Run Capacitor
in Fig 28
a Slide control box out Refer to control box
instructions
b Remove screw fastening capacitor strap to contr ol
box and remove strap
c Carefully pull wires from run capacitor terminals,
marking or labeling wires to aid in reassembly
d Reverse above procedure for reassembly
31 Indicator Light — See location of Indicator Light
in Fig 28
a Slide control box out Refer to control box
instructions
b Remove timer cover by squeezing sides and pull­
ing straight out
c Disconnect wires horn indicator light terminal,
marking or labeling wires to aid in reassembly
d Remove light by pulling straight out through
front of control box
e Reverse above procedure lor reassembly
32 Fan Cycle and Air Sweep Switches — See
location of switches in Fig 28
a Slide control box out Refer to Control Box
instructions
b Disconnect wires from switches Mark or label
wires to aid in reassembly
c Push switches out from rear
d To replace switches, insert them through front oi
panel, push in until they snap in place
e Complete reassembly by reversing above
procedure
33 Chassis — The International Series models have
slide-out chassis Servicing the chassis is possible
without having to remove unit casing from window
a Remove fr ont grille frame See Grille instr actions
and Fig 26
b Loosen security lock screw and slide screw to
unlock position (left) See unit installation
instructions
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