Carel pCO2 Series Application Program

Standard air-conditioning units
Carel Cod. +030221421 – Rel. 1.2 – April, 11, 2003
19
PARAMETER DESCRIPTION SCREEN DEFAULT USER
VALUE
RANGE UOM
pLAN connection class, boards 7 – 8 Cp
Not present
Present-rot., Present-no
rot., Not present
PARAMETERS →
Enable compressors/cooling coil together with recovery coil G0 No No-Yes
Enable FIFO compressor rotation G1 No No-Yes
Type of temperature control G1 Proportional Prop.-P+I
Logic of the capacity-control contact G1 NC NC-NO
Starting point to open modulating valve in cooling (or single
valve) with recovery (see G0)
G2 50.0 0.0-100.0 %
Starting and end point to open modulating valve in cooling (or
single valve)
G2 0.0 / 100.0 0.0-100.0 %
Starting point to open 3 position valve in cooling (or single
valve) with recovery (see G0)
G3 50,0 0.0-100.0 %
Starting and end point to open 3 position valve in cooling (or
single valve)
G3 0.0 / 100.0 0.0-100.0 %
Starting and end point to open modulating valve in heating G4 0.0 / 100.0 0.0-100.0 %
Starting and end point to open 3 position valve in heating G5 0.0 / 100.0 0.0-100.0 %
Starting and end point to open modulating valve in recovery G6 0.0 / 100.0 0.0-100.0 %
Minimum and maximum modulating fan speed G7 0.0 / 100.0 0.0-100.0 Volt
Outlet fan speed during dehumidification G7 5,0 0.0-100.0 Volt
Starting and end point to open modulating humid. output G8 0.0 / 100.0 0.0-100.0 %
Temperature differential to stop dehumidification G9 5.0 0-99.9 ºC / ºF
Temperature offset to restart dehumidification G9 4.0 0-99.9 ºC / ºF
Disable water drain for set point reduction Ga No No-Yes
Disable drain for extended humidifier standby Ga No No-Yes
Disable minor humidifier alarm messages Ga No No-Yes
High conductivity pre-alarm threshold Gb 1500 0-2000 uS/cm
High conductivity alarm delay Gb 2000 0-2000 uS/cm
Drain time as % of H3 (see humidifier manual) Gc 100 50-200 %
Evaporation time as % of H4 (see humidifier manual) Gc 100 50-200 %
High pressure alarm set point Gd 23.5 -99.9 - 99.9 bar
High pressure alarm differential Gd 1.0 -99.9 - 99.9 bar
Condensing (pressure) set point Ge 14.0 -99.9 - 99.9 bar
Condensing (pressure) differential Ge 2.0 -99.9 - 99.9 bar
Modulating condensing fan speed-up time Ge - Gf 2 0-999 seconds
Condensing (temperature) set point Gf 55.0 -99.9 - 99.9 ºC / ºF
Condensing (temperature) differential Gf 1.0 -99.9 - 99.9 ºC / ºF
Minimum and maximum mod. cond. fan speed Gg 0.0 / 10.0 0-10,0 Volt
Enable high pressure alarm Prevent function Gh - Gi No No-Yes bar
Prevent function set point (pressure) Gh 20.0 -99.9 - 99.9 Bar
Prevent function differential (pressure) Gh 2.0 -99.9 - 99.9 bar
Prevent function set point (temperature) Gi 70.0 -99.9 - 99.9 ºC / ºF
Prevent function differential (temperature) Gi 1.0 -99.9 - 99.9 ºC / ºF
Enable Carel network Master Control function Gj No No-Yes
Rotation mode for units in pLAN network Gk Automatic
Automatic,
Time bands,
Operating hours
Number of units set in Standby mode Gk 0
0-No. unit in Present-
rotation mode
Automatic rotation interval for units in pLAN Gk 24 1-240 Hours
Automatic rotation hours for units in pLAN network Gl 22 0-23 hours
Automatic rotation minutes for units in pLAN network Gl 00 0-59 minutes
Interval in days for automatic rotation in pLAN network Gl 3 1-7 days
Enable Force units in pLAN network Gm No No-Yes
Forcing delay for low and high ambient temperature Gm 3 / 3 0-999 minutes
Low ambient temp. diff. for forcing units in network Gn 8 0-99.9 ºC / ºF
Low ambient temp. offset for forcing units in network Gn 4 0-99.9 ºC / ºF
High ambient temp. diff. for forcing units in network Go 8 0-99.9 ºC / ºF
High ambient temp. offset for forcing units in network Go 4 0-99.9 ºC / ºF
CAREL EXV DRIVERS →
Number of drivers connected F0 0 0-2
Enable backup battery driver 1 F0 No No-Yes
Enable backup battery driver 1 F0 No No-Yes
Type of valve circuit 1 F1 10 (Carel) 0-11 (see 1.5)
Superheating set point circuit 1 F1 6.0 2,0-50,0 ºC
Dead band circuit 1 F1 0 0-9.9 ºC
Type valve circuit 2 F2 10 (Carel) 0-11 (see 1.5)
Superheating set point circuit 2 F2 6.0 2.0-50.0 ºC
Dead band circuit 2 F2 0 0-9.9 ºC
PID control – proportional gain circuit 1 F3 2.5 0.0-99.9
PID control – integration time circuit 1 F3 25 0-999 seconds
PID control – derivative time circuit 1 F3 5,0 0.0-99.9 seconds

Carel pCO2 Series Specifications

General

Brand	Carel
Model	pCO2 Series
Category	Controller
Language	English