ALLIED COMMERCIAL KGB Series Service Literature

S e r v i c e L i t e r a t u r e
The KGB packaged gas units are available in standard
cooling efficiency (024, 030, 036, 048 060, 072, 074 and
090). Cooling capacities range from 2 to 7-1/2 tons (7 to
26kW).
KGB024, 030, 036, 048, 060, 072, 074 units are available
in 65,000 BTUH heat capacity /KGB036, 048, 060, 072,
074 and 090 units are available in 108,000 BTUH (105,000
BTUH in earlier built units ) heat capacity. KGB048, 060,
072, 074 and 090 units are available in 150,000 BTUH (44
kW) heat sizes. Two stage heat is available in units with
108,000 (105,000 in earlier built units) and 150,000 BTUH
capacities. Gas heat sections are designed with alumi-
nized steel tube heat exchangers.
Information contained in this manual is intended for use
by qualified service technicians only. All specifications are
subject to change. Procedures outlined in this manual are
presented as a recommendation only and do not super-
sede or replace local or state codes.
If the unit must be lifted for service, rig unit by attaching
four cables to the holes located in the unit base rail (two
holes at each corner). Refer to the installation instructions
for the proper rigging technique.
WARNING
Improper installation,
service or maintenance can cause property damage,
personal injury or loss of life. Installation and service
must be performed by a qualified installer or service
agency.
WARNING
Electric shock hazard. Can cause injury
or death. Before attempting to perform
any service or maintenance, turn the
electrical power to unit OFF at disconnect
switch(es). Unit may have multiple power
supplies.
CAUTION
As with any mechanical equipment, contact with
sharp sheet metal edges can result in personal
injury. Take care while handling this equipment and
wear gloves and protective clothing.
UNIT INFORMATION UNIT INFORMATION
KGB024 through 090
adjustment, alteration,
100004
09/2022
To prevent serious injury or death:
1- Lock-out/tag-out before performing maintenance.
2- If system power is required (e.g., smoke detector
maintenance), disable power to blower, remove
fan belt where applicable, and ensure all
controllers and thermostats are set to the "OFF"
position before performing maintenance.
3- Always keep hands, hair, clothing, jewelry, tools,
etc., away from moving parts.
Options . . . . . . . . . . . . . . . . . . . . . . .Page 2
Specifications . . . . . . . . . . . . . . . . . .Page 6
Spec. Gas Heat / High Altitude . . . Page 13
Blower Data. . . . . . . . . . . . . . . . . . . Page 14
Electrical Data . . . . . . . . . . . . . . . . . Page 31
I Unit Components . . . . . . . . . . . . . Page 35
II Placement and Installation . . . . . Page 48
III Start Up Operation . . . . . . . . . . . Page 48
IV Charging . . . . . . . . . . . . . . . . . . . Page 50
V System Service Checks . . . . . . . Page 60
VI Maintenance . . . . . . . . . . . . . . . . Page 62
VII Accessories . . . . . . . . . . . . . . . . Page 63
VIII Diagrams . . . . . . . . . . . . . . . . . . Page 69
Page 1
KGB SERIES
2 to 7-1/2 ton
7 to 26 kW
WARNING

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