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9/2019
F-Evaporator Coil
Inspect and clean coil at beginning of each cooling season.
Clean using mild detergent or commercial coil cleanser.
Flush coil and condensate drain with water taking care not to
get insulation, filters and return air ducts wet.
G-Condenser Coil
Clean condenser coil annually with mild detergent or
commercial coil cleaner and inspect monthly during the
cooling season.
H-Supply Air Blower Wheel
Annually inspect supply air blower wheel for accumulated
dirt or dust. Turn off power before removing access panel or
cleaning blower wheel.
Factory Unit Controller Settings
Use the Unit Controller to adjust parameter settings. See
the following tables for the appropriate menu path. Refer to
the Unit Controller manual provided with each unit.
Tables 37 through 42 show factory settings (in degrees, % of
fan CFM, etc.). Record adjusted settings on the parameter
label located inside the compressor access panel.
TABLE 37
580902-01
45°F Compressor Lockout W/Economizer
or Motorized OAD Settings
SETTINGS > RTU OPTIONS > EDIT PARAMETERS
Parame
ter
Factory
Setting
Field
Setting
Description
85
45
Low ambient lockout for compr 1.
86
45
Low ambient lockout for compr 2.
87
45
Low ambient lockout for compr 3.
88
45
Low ambient lockout for compr 4.
118
400
Sets damper to start opening at
2VDC on CO2 input.
TABLE 38
580730-01
Units With BACnet Module Settings
Use menu SETUP > NETWORK INTEGRATION. Set “BACNET” and
network address.
BACNET MAC ADDRESS:
TABLE 39
580743-01
Units With LonTalk Settings
Use menu SETUP > NETWORK INTEGRATION. Set “LONTALK”.
TABLE 40
580732-01
Units With Room Sensor, CPC/LSE Gateway Settings
Use menu SETUP > NETWORK INTEGRATION. Set “L CONNEC
TION” and network address.
LCONN ADDRESS:
