5322625-UIM-A-0417
Johnson Controls Unitary Products 3
3. Never test for gas leaks with an open flame. Use commercially
available soap solution made specifically for the detection of leaks
when checking all connections, as specified on Page 10 of these
instructions.
4. Always install furnace to operate within the furnace's intended tem-
perature-rise range with the duct system and within the allowable
external static pressure range, as specified on the unit name/rating
plate, specified in Table 6 of these instructions.
5. This equipment is not to be used for temporary heating of buildings
or structures under construction.
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.
Table 1: Unit Limitations
Model Unit Voltage
Unit Limitations
Applied Voltage Outdoor DB Temp
Min Max Max (°F)
PHG6A24 208/230-1-60 187 252 125
PHG6A30 208/230-1-60 187 252 125
PHG6B36 208/230-1-60 187 252 125
PHG6B42 208/230-1-60 187 252 125
PHG6B48 208/230-1-60 187 252 125
PHG6B60 208/230-1-60 187 252 125
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