1183746-UIM-B-0215
Johnson Controls Unitary Products
3
LIMITATIONS
These units must be installed in accordance with the following:
In U.S.A.:
1.
National Electrical Code, ANSI/NFPA No. 70 - Latest Edition
2.
National Fuel Gas Code, ANSI Z223.1 - Latest Edition
3.
Gas-Fired Central Furnace Standard, ANSI Z21.47a. - Latest Edi-
tion
4.
Local building codes, and
5.
Local gas utility requirements
In Canada:
1.
Canadian Electrical Code, CSA C22.1
2.
Installation Codes, CSA - B149.1.
3.
Local plumbing and waste water codes, and
4.
Other applicable local codes.
Refer to unit application data found in this document.
After installation, gas fired units must be adjusted to obtain a temperature
rise within the range specified on the unit rating plate.
If components are to be added to a unit to meet local codes, they are to
be installed at the dealer’s and/or customer’s expense.
Size of unit for proposed installation should be based on heat loss/heat
gain calculation made according to the methods of Air Conditioning
Contractors of America (ACCA).
This furnace is not to be used for temporary heating of buildings or
structures under construction.
FIGURE 1:
Component Location
FAN MOTOR
CONDENSER FAN
COIL GUARD PANEL
CONDENSER COIL
(Behind Panel)
CONTROL BOARD
TRANSFORMER
HIGH VOLTAGE
CONTACTOR
PRESSURE SWITCH
DRAFT INDUCER BLOWER
GAS VALVE
BURNER
ASSEMBLY
GAS HEAT
EXCHANGER
BLOWER MOTOR
TXV
EVAPORATOR COIL
INDOOR BLOWER
COMPRESSOR
REMOVABLE
BASE RAILS
A0297-001
Table 1:
Unit Limitations
Model
Unit Voltage
Unit Limitations
Applied Voltage
Outdoor DB Temp
Min
Max
Max (°F)
24
208/230-1-60
187
252
125
30
208/230-1-60
187
252
125
36
208/230-1-60
187
252
125
42
208/230-1-60
187
252
125
48
208/230-1-60
187
252
125
60
208/230-1-60
187
252
125