Lennox CIC 020S Installation, Operation & Maintenance Manual page 21

2. INSTALLATION
DIMENSIONS FREE-COOLING WITH RETURN FAN
MODELS 055D-070D-085D
DISCHARGE AIR
SECTION OF FLEXIBLE DUCT TO
BE INSTALLED BY THE CUSTO-
1626 x 679mm
RETURN AIR
MODELS 100D-120D-140D
DISCHARGE AIR
SECTION OF FLEXIBLE
DUCT TO BE INSTALLED
BY THE CUSTOMER
2275 x 1010 mm
RETURN AIR
DISCHARGE FRAME
4 7 8 . 5
1 1 5 0
MER
4 9 0
2
1 8 1 . 5
6 5 0
3 1 2
1 6 2 6
2 2 5 0
DISCHARGE FRAME
803x1008x40
1 1 5 0
8 0 3
0
1 3 2 . 5
2
7 0 0
1 4 8
2 2 7 5
SECTION OF FLEXIBLE
DUCT TO BE INSTALLED
BY THE CUSTOMER
2100 x 698 mm
3 1 2
RETURN DAMPER
SECTION OF FLEXIBLE
DUCT TO BE INSTALLED
BY THE CUSTOMER
2660 x 1054 mm
0
2 1 4 . 5
3 8
1 4 8
RETURN DAMPER
20
INDOOR UNIT
2
2 2 5 0
. 5
1 1 3
8 0 4
. 5
2 3 2
OUTDOOR AIR
DAMPER
INDOOR UNIT
2
2 9 0 0
1 1 4
8 0 3
2 3 3
OUTDOOR AIR
DAMPER
8 7 0
0
1 0 5