10
LDAP-IOM (01-22) 207733-A
GENERAL INFORMATION—CONTINUED
Dimensions—Continued
Table 3. Clearances to Combustibles
Heater
Surface
Minimum Clearance (Inches (mm))
Top
12 (305)
Flue connector
6 (152)
Front (access panel)
18 (457)
Rear
2 (51)
Disconnect side
18 (457)
Side
2 (51)
Bottom
60 (1524)
Weights
⚠ WARNING ⚠
Check the supporting structure to be used to verify that it has sufficient load carrying capacity to
support the weight of the unit. Suspend the heater only from the threaded nut retainers or with a
manufacturer-provided kit. Do NOT suspend from the heater cabinet.
NOTE: For unit shipping weight, contact an authorized Factory Distributor.
Before installing the heater, ensure that the supporting structure to be used has sufficient load-carrying capacity to
Table 4. Unit Weights
Unit Size
Pounds (kg)
400
375 (170)
800
805 (365)
1200
1195 (542)
Figure 5. Dimensions—Downturn Nozzle Assemblies
Clearances
Units must be installed so that the clearances listed in
are provided for with regards to combustion air space,
inspection, and service and for proper spacing from combustible construction . Clearance to combustibles is defined
as the minimum distance from the heater to a surface or object for which it is necessary to ensure that a surface
temperature of 90°F (50°C) above the surrounding ambient temperature is not exceeded . Refer to the dimensions
,
, and
when determining clearances to combustibles .
CD57
CD58
CD59
14-1/8 INCHES
(360 mm)
24-3/8 INCHES
(618 mm)
16-1/2 INCHES
(419 mm)
