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Table 68 — Indoor Air Quality Configuration
IAQ Discrete Input Config (Configuration
IAQ
AQ.CF
IQ.I.C)
This configuration is used to set the type of IAQ sensor. The
following are the options:
•
IQ.I.C
= 0 (No Discrete Input) — This is used to indicate
that no discrete input will be used and the standard IAQ
sensor input will be used.
•
IQ.I.C
= 1 (IAQ Discrete Input) — This will indicate that
the IAQ level (high or low) will be indicated by the dis-
crete input. When the IAQ level is low, the economizer
minimum position will be
Configuration
IAQ
DCV.C
IAQ.M
.
•
IQ.I.C
= 2 (IAQ Discrete Input with Minimum Position
Override) — This will indicate that the IAQ level (high or
low) will be indicated by the discrete input and the economiz-
er minimum position will be the IAQ override position,
IQ.O.P
(when high).
It is also necessary to configure how the fan operates when us-
ing the IAQ discrete input.
IAQ Discrete Fan Config (Configuration
IAQ
AQ.CF
IQ.I.F)
This is used to configure the operation of the fan during an
IAQ demand condition. It has the following configurations:
•
IQ.I.F
= 0 (No Fan Start) — IAQ demand will never over-
ride normal indoor fan operation during occupied or unoc-
cupied period and turn it on.
•
IQ.I.F
= 1 (Fan On If Occupied) — IAQ demand will
override normal indoor fan operation and turn it on (if off)
only during the occupied period (CV operation with auto-
matic fan).
•
IQ.I.F
= 2 (Fan On Occupied/Unoccupied) — IAQ demand
will always override normal indoor fan operation and turn it
on (if off) during both the occupied and unoccupied period.
OAQ 4-20 mA Sensor Config (Configuration
IAQ
AQ.CF
OQ.A.C)
This is used to configure the type of outdoor sensor that will be
used for OAQ levels. It has the following configuration options:
•
OQ.A.C
= 0 (No Sensor) — No sensor will be used and the
internal software reference setting will be used.
•
OQ.A.C
= 1 (OAQ Sensor with DAQ) — An outdoor CO
2
sensor will be used.
•
OQ.A.C
= 2 (4 to 20 mA Sensor without DAQ).
IAQ Econo Override Pos (Configuration
IAQ
AQ.SP
IQ.O.P)
This configuration is the position that the economizer goes to
when override is in effect.
Diff. Air Quality Lo Limit (Configuration
IAQ
AQ.SP
DAQ.L)
This is the differential CO
2
level at which IAQ control of the
dampers will be initiated.
Diff. Air Quality Hi Limit (Configuration
IAQ
AQ.SP
DAQ.H)
This is the differential CO
2
level at which IAQ control of the
dampers will be at maximum and the dampers will be at the
Configuration
IAQ
DCV.C
EC.MN
.
DAQ ppm Fan Off Setpoint (Configuration
IAQ
AQ.SP
D.F.OF)
This is the CO
2
level at which the indoor fan will be turned off.
DAQ ppm Fan On Setpoint (Configuration
IAQ
AQ.SP
D.F.ON)
This is the CO
2
level at which the indoor fan will be turned on.
Diff. IAQ Responsiveness (Configuration
IAQ
AQ.SP
IAQ.R)
This is the configuration that is used to select the IAQ response
curves as shown in Fig. 14.
OAQ Lockout Value (Configuration
IAQ
AQ.SP
OAQ.L)
This is the maximum OAQ level above which demand ventila-
tion will be disabled.
User Determined OAQ (Configuration
IAQ
AQ.SP
OAQ.U)
If an OAQ sensor is unavailable, the user can manually set the
OAQ reading.
ITEM
EXPANSION
RANGE
UNITS
CCN POINT
DEFAULT
DCV.C
DCV ECONOMIZER SETPOINTS
EC.MN
Economizer Min.Position
0 to 100
%
ECONOMIN
5
IAQ.M
IAQ Demand Vent Min.Pos.
0 to 100
%
IAQMINP
0
AQ.CF
AIR QUALITY CONFIGS
IQ.A.C
IAQ Analog Sensor Config
0 to 4
IAQANCFG
0
IQ.A.F
IAQ 4-20 ma Fan Config
0 to 2
IAQANFAN
0
IQ.I.C
IAQ Discrete Input Config
0 to 2
IAQINCFG
0
IQ.I.F
IAQ Disc.In. Fan Config
0 to 2
IAQINFAN
0
OQ.A.C
OAQ 4-20ma Sensor Config
0 to 2
OAQANCFG
0
AQ.SP
AIR QUALITY SETPOINTS
IQ.O.P
IAQ Econo Override Pos.
0 to 100
%
IAQOVPOS
100
DAQ.L
Diff.Air Quality LoLimit
0 to 1000
DAQ_LOW
100
DAQ.H
Diff. Air Quality HiLimit
100 to 2000
DAQ_HIGH
700
D.F.OF
DAQ PPM Fan Off Setpoint
0 to 2000
DAQFNOFF
200
D.F.ON
DAQ PPM Fan On Setpoint
0 to 2000
DAQFNON
400
IAQ.R
Diff. AQ Responsiveness
-5 to 5
IAQREACT
0
OAQ.L
OAQ Lockout Value
0 to 2000
OAQLOCK
0
OAQ.U
User Determined OAQ
0 to 5000
OAQ_USER
400
AQ.S.R
AIR QUALITY SENSOR RANGE
IQ.R.L
IAQ Low Reference
0 to 5000
IAQREFL
0
IQ.R.H
IAQ High Reference
0 to 5000
IAQREFH
2000
OQ.R.L
OAQ Low Reference
0 to 5000
OAQREFL
0
OQ.R.H
OAQ High Reference
0 to 5000
OAQREFH
2000
IAQ.P
IAQ PRE-OCCUPIED PURGE
IQ.PG
IAQ Purge
Yes/No
IAQPURGE
No
IQ.P.T
IAQ Purge Duration
5 to 60
min
IAQPTIME
15
IQ.P.L
IAQ Purge LoTemp Min Pos
0 to 100
%
IAQPLTMP
10
IQ.P.H
IAQ Purge HiTemp Min Pos
0 to 100
%
IAQPHTMP
35
IQ.L.O
IAQ Purge OAT Lockout
35 to 70
dF
IAQPNTLO
50
Summary of Contents for WEATHERMAKER 48A2020
Page 112: ...112 Fig 20 Typical Main Control Box Wiring Schematic 48 50A Units ...
Page 113: ...113 Fig 21 Typical Auxiliary Control Box Wiring Schematic ...
Page 114: ...114 Fig 22 Typical 2 Stage Gas Heat Wiring Schematic Size 060 Units Shown ...
Page 115: ...115 Fig 23 Typical Staged Gas Heat Wiring Schematic Size 060 Units Shown TO NEXT PAGE ...
Page 116: ...116 Fig 23 Typical Staged Gas Heat Wiring Schematic Size 060 Units Shown cont ...
Page 117: ...117 Fig 24 Typical Electric Heat Control Schematic 50 Series Size 060 Units Shown ...
Page 118: ...118 Fig 25 Typical Controls Option Wiring Schematic SW1 SW2 OR DEHUMIDIFY SWITCH ...
Page 119: ...119 Fig 26 Typical Power Schematic 48 50A2 A3 A4 A5 060 Unit Shown ...
Page 120: ...120 Fig 27 Typical Power Schematic of Greenspeed Low Ambient Option 48 50A 060 Unit Shown ...
Page 121: ...121 Fig 28 Typical Small Chassis Component Location Size 020 035 Units ...
Page 122: ...122 Fig 29 Typical Large Chassis Component Locations Size 040 060 Units ...
Page 185: ...185 APPENDIX C VFD INFORMATION cont Fig F Internal Enclosure Fan Replacement A48 7716 ...