Bryant Model 378 - Manual

Installation Instructions
ALL WEATHER HEATING & COOL!!^iG
378
Series B
bpi|ont
39378 D9
5/10/65
GENERAL
The Model 378 is approved by the American &
Association for:
1. Use with natural, mixed, and propane gases.
2. Outdoor installation
a. On a roof
b. At ground level
3. Indoor installation (when equipped with Bryant
draft hood assembly. Part No, 36154C8 and special
front door in place of door furnished.)
a. Attic
b. Basement, utility room, etc.
4. Use with 36W, 54W, 90W, and 108W water coils.
5. Use with 48R, 60R, 90R, and 120R direct expan­
sion coils.
INSPECTION
Be sure available gas supply is the same as shown
on American Gas Association rating plate.
Check electric supply - voltage, phase, and fre­
quency - to be sure that it is the same as required
on the rating plate. Check to be sure that adequate
power is available to handle the increased electri­
cal load when the unit is used for cooling.
Installation of the all-weather heating and cooling
unit consists of the following:
1. Locating the Unit
2. Gas Piping
3. Venting
4. Electric Connections
5. Start-up and Adjustment
6 . Connection with Electric Air Conditioner (when
used)
7. Connection with Gas Air Conditioner (when
used)
LOCATING THE UNIT
When installing in conjunction with a cooling sys­
tem refer to the applicable section of this instruc­
tion for additional information.
Before locating the unit, refer to local codes.
OUTDOOR INSTALLATION
Mounting
The unit design permits use of four corner posts,
rails, or any other method of support sufficiently
strong to accommodate the weight; however, consult
local codes - particularly for roof installation.
Units must be level.
Clearances
1. Provide a minimum 1 inch clearance on bottom
for water drainage (rain, sleet, and snow).