4
4. Remove the front access panel.
5. Move theselector switch on theinternal gasvalve to theOFF
position.
6. Replace the front access panel
7. Restore electrical power to the unit and set system switch to
COOL.
8. Set the temperature selector on UI slightly below the room
temperature to start unit.
To shut off unit electric cooling:
Refer to Fig. 6 while proceeding with the following steps.
1. Set the temperatureselector on UI to highest temperature set-
ting and set system SWITCH to OFF.
2. Close the external manual shutoff valve.
3. Turn off the electrical power supply to the unit.
55
STEP 1 STEP 2
C
L
O
S
E
STEP 3
OFF
ON
MAIN
STEP 4
STEP 7
OFF
ON
MAIN
STEP 8
STEP 5
72
STEP 10
STEP 6
STEP 9
O
P
E
N
A09133
Fig. 4 -- To Start Unit Gas Heat
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