036-21024-006 Rev. D (0403)
Unitary Products Group 11
ACCESSORIES
Refer to Price Manual for specific model numbers.
Hard Start Kit - Provides increased starting torque for areas
with low voltage.
Compressor Blanket - Designed to further reduce the nor-
mal compressor operating sound. Refer to price pages for
specific match-ups.
Off Cycle Timer Delay - Provides a 5-minute off cycle to pre-
vent rapid recycling of the compressor.
Room Thermostats - A wide selection of compatible thermo-
sets are available to provide optimum performance and fea-
tures for any installation.
1 Heat Stage only, manual, mechanical thermostat. Add sub-
base for 1H/1C.
1H/1C, manual change-over electronic non-programmable
thermostat.
1H/1C, auto/manual changeover, electronic programmable,
deluxe 7-day, thermostat.
1H/1C, auto/manual changeover, electronic programmable.
* For the most current accessory information, refer to the
price book or consult factory.
All dimensions are in inches. They are subject to change without
notice. Certified dimensions will be provided upon request.
SOUND RATINGS
HDB
MODEL
SOUND RATING
DECIBELS*
018 76
024 76
030 78
036
78
1
1. Compressor Blanket Factory Installed.
* Rated in accordance with ARI Standard 270.
042
78
1
048
79
1
060
78
1
076
78
1
1 PHASE
Unit
Model
HDB
Dimensions
(Inches)
Refrigerant Connection
Line Size
A
B C LIQUID VAPOR
018 20-1/8 24 24
3/8
5/8
024 20-1/8 24 24
030 24-1/8 24 24
3/4
036 24-1/8 24 24
042 30-1/8 24 24
7/8048 30-1/8 24 24
060 31-7/8 35 35
3 PHASE
Unit
Model
HDB
Dimensions
(Inches)
Refrigerant Connection
Line Size
A B C Liquid Vapor
036 24-1/8 24 24
3/8
3/4
048 30-1/8 24 24
7/8
060 31-7/8 35 35
076 31-7/8 35 35 1/2 1-1/8
48" OVERHEAD
CLEARANCE
C
B
A
5-1/2
2-3/8
3-1/8
VAPOR
CONNECTION
LIQUID CONNECTION
AIR IN
4 SIDES