Daikin WGZ200DW - Pressure Drop Data; Water Pressure Drop

18 WGZ030D through WGZ200D OMM 1130-2
Keypad/Display
A 4-line by 20-character/line liquid crystal display and 6-key keypad is mounted on the unit controller. Its
layout is shown below.
Figure 8, Keypad and Display in MENU Mode
The f
our arrow keys (UP, DOWN, LEFT, RIGHT) have three modes of use.
Scroll between data screens as indicated by the arrows (default mode).
Select a specific data screen in a hierarchical fashion using dynamic labels on the right side of the display
(this mode is entered by pressing the MENU key).
Change field values in edit mode according to the following table:
LEFT Default RIGHT Cancel
UP Increment DOWN Decrement
These four edit functions are indicated by one-character abbreviation on the right side of the display (this
mode is entered by pressing the ENTER key).
Inputs/Outputs
Table 3, Analog Inputs
C1 = Refrigerant Circuit #1, C2 = Refrigerant Circuit #2, UT = Unit, *n = Refrig. Dependent
#
Description
Type
Signal Source
Range
*1
Evaporator Refrigerant Pressure #1 (R134a,R22)
C1
0.1 to 0.9 VDC
0 to 132 psi
*1
Evaporator Refrigerant Pressure #1
(R410a)
C1
0.1 to 0.9 VDC
0 to 350 psi
*2
Evaporator Refrigerant Pressure #2 (R134a,R22)
C2
0.1 to 0.9 VDC
0 to 132 psi
*2
Evaporator Refrigerant Pressure #2 (R410a)
C2
0.1 to 0.9 VDC
0 to 350 psi
*3
Condenser Refrigerant Pressure #1 (R134a,R22)
C1
0.1 to 0.9 VDC
3.6 to 410 psi
*3
Condenser Refrigerant Pressure #1 (R410a)
C1
0.1 to 0.9 VDC
0 to 700 psi
4
Leaving Evaporator Water Temperature UT
NTC Thermister
(10k@25°C)
-58 to 212°F
5
Condenser Entering Water Temperature or Outside Ambient
Temperature (See Note below)
UT
NTC Thermister
(10k@25°C)
-58 to 212°F
*6
Condenser Refrigerant Pressure #2 (R134a,R22)
C2
0.1 to 0.9 VDC
3.6 to 410 psi
*6
Condenser Refrigerant Pressure #2 (R410a)
C2
0.1 to 0.9 VDC
0 to 700 psi
7
Reset of Leaving Water Temperature
UT
4-20 mA Current
0-(10 to 80°F)
8
Demand Limit (R22, R410A)
UT
4-20 mA Current
0-100 % Load
9
Compressor Suction Temperature #1 C1
NTC Thermister
(10k@25°C)
-58 to 212°F
10
Compressor Suction Temperature #2 C2
NTC Thermister
(10k@25°C)
-58 to 212°F
Notes:
1. If Water Cooled = Y, then Entering Condenser. If Water Cooled = N, then Outside Ambient.
2. Selection of R134a in unit setpoint screen will modify unit operation for Templifier application.
Air Conditioning
ALARM
VIEW
SET
<
<
<
Menu Key
Key to Screen Pathway
"Enter" Key
Arrow Keys