Engineering Manual

Base Heater
PAC-SJ20BH-E
• This product is designed for prevention of ice on the bottom of
the outdoor unit heat exchanger and the clogged drain hole
caused by freezing in severe winter.
• To drain properly, a drain socket and a concentrated drain pan
are not allowed to be used with this product.
Figure
Specications
MXZ-8C48NA
PUZ-HA42NKA
Descriptions
Applicable Models
Dimensions
Unit: inch [mm]
base heater 1
heater
supports
2
screws
4×10
8
cable tie
2
fasteners
2
spec label
1
base heater
cover(1) *
1
base heater
cover(2) *
1
*
Used solely with the outdoor unit
mounted with a two-row heat
exchanger.
This package includes the following parts besides this installation sheet.
Components
4-3/4 [120]
3-3/16 [80]
4-19/32 [115]
5-1/8 [130]
5-1/2 [140]
21-27/32 [555]
310