48
Installation & Commissioning Guide PKY470-700 Tri-Capacity Package with CM100 Control
Doc. No.0525-032
Ver. 9 180921
SETTING ECONOMY AIR OPERATION VIA CONTROL INTERFACE
SETTING ECONOMY AIR OPERATION VIA CONTROL INTERFACE
The Economy Air of this air conditioning system is based on
Dry Bulb
∆t
logic only and
operates when cooling is required.
NOTE:
The economy air operation can be set to operate via the Control Interface by the following procedures:
1. Go to
G.
Service
Gf.
Service settings
Gfc.
Thermoregulation
Gfc13
S. Configuration screen.
2. By default Econ. type is set to
“MODULATE”.
In
“MODULATE”
type,
internal logic modulates the damper opening.
Default damper opening range is 20% - 100% (this range is settable). However, if CO
2
Sensor is installed, damper
opening will modulate between the settings set in
Gfd1
.
Type of fans fitted
Supply : VARI SPEED
Outdoor : 2 SPEED AC
Econ. cycle fitted : Yes
Econ. type : MODULATE
S. Configuration Gfc13
Type of fans fitted
Supply : VARI SPEED
Outdoor : 2 SPEED AC
Econ. cycle fitted : Yes
Econ. type : ON / OFF
S. Configuration Gfc13
3. If Econ. type is set to “ON/OFF”, economy cycle will be controlled by one of the following methods:
• external logic via external multi input 1 or 2
•
internal logic set to ON/OFF according to configurable damper opening & closing
ECONOMY CYCLE SCREENS
Go to
G. Service
Gf. Service
settings
Gfd. Economy Setting
screens.
1. Min Outside Air:
(Configurable in “Gfd1”)
This is the minimum opening position of the damper, when the unit is On. If the output of the economy cycle is less
than the
Damper pos.
,
the damper will remain open at position set by
Damper pos
.
Settings: Min = 0.0%, Max = 99.9%, Default = 20.0%
However, if “Enable CO
2
” is set to “Yes”,
Damper pos.
will be based on CO
2
Levels (Default 600ppm & 800ppm).
Settings: Min = 0ppm, Max 2000ppm
Enable CO2: NO
Damper Position 20.0%
Minimum Outside Air Gfd1
Enable: YES
CO2 Level Damper Pos.
600ppm 10%
800ppm 50%
Min Outside Air Gfd1
SCREEN WHEN CO
2
IS DISABLED
SCREEN WHEN CO
2
IS ENABLED
Содержание PKY470T-6Q2
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