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®
Series - Installation, Operation and Maintenance | 33
ComPak
®
Series IOM
Table 4-1. Horizontal ComPak Curb Dimension
MODEL#: 550/800/1200 1400/1800 2600/3500/4000 2600/3500/4000
FAN SIZE: 9”X7” BLOWER 12”X9” BLOWER 12”X9” BLOWER 18”X13” BLOWER
OVERALL DIMENSIONS
BL 58.5 70.5 90.5 90.5
BW 32.3 42.5 42.5 42.5
BH 12 12 12 12
RETURN DUCT CHASE
RBW 14.6 20 15.4 15.4
RBL 22.2 25.5 32.7 32.7
RBA 12 15 20.5 20.5
SUPPLY DUCT CHASE
SBW 15.7 18.6 8.4 8.4
SBA 10.6 13.6 13.3 18.6
SBB 12 15.5 14.9 21
SBL (CW Rotation) 44.8 53.5 72.8 66.7
SBL (CCW Rotation) 41.7 49.3 59 59
Note: Dimensions relate to Figure 4-4.
Integral Gas Furnace Option (RoofComPak Only)
When using a gas furnace, power venting is provided for all unit sizes. External vent piping and/or cap is
required. Please refer to the furnace manufacturer’s manual for piping and venting instructions. Install, leak-test,
and properly regulate piping for the gas-fired heater. Pressures should be regulated to the entering pressures as
shown on the furnace manufacturer’s data plate or manual.
Figure 4-4. ComPak Horizontal Curb Assembly