Honeywell HR230 Owner's Manual page 13

2. Remove the core access door (located on the back of the ventilator
cabinet) by sliding the two catches to the left and pull the door open
and off. See Fig. 3.
HR230 CABINET
CORE ACCESS
DOOR
DOOR
LATCH
DOOR TAB
SLOT
2
DOOR
TAB
2
1
1
1 SLIDE DOOR LATCHES TO THE LEFT.
2 WHEN DOOR IS RELEASED, PULL DOOR
TABS OUT FROM SLOTS.
Fig. 3. Remove core access door.
DOOR
LATCH
BRACKET
11
M7604
69-0854