Daikin WMC Instruction Manual download pdf (Page 55)

www.DaikinApplied.com 55 IOM 1210-1 • MAGNITUDE

MODEL WMC CHILLERS

operaTIon

Table 23: Controller, Digital Outputs

# Description Load Output OFF Output ON

1 Evaporator Water Pump #1 Pump Contactor Pump OFF Pump ON

2 Evaporator Water Pump #2 Pump Contactor Pump OFF Pump ON

3 Condenser Water Pump #1 Pump Contactor Pump OFF Pump ON

4 Condenser Water Pump #2 Pump Contactor Pump OFF Pump ON

5 Tower Fan #1 Fan Contactor Fan OFF Fan ON

6 Tower Fan #2 Fan Contactor Fan OFF Fan ON

7 Expansion Valve Calibration Digital Input (50K Ohms) Normal Calibration

8 Alarm Alarm Indicator Alarm OFF Alarm ON

9 Tower Fan #3 Fan Contactor Fan OFF Fan ON

10 Tower Fan #4 Fan Contactor Fan OFF Fan ON

11 Alarm Output User Dened Alarm OFF Alarm ON

Controller Setpoints

Table 24 groups setpoints that relate to the entire unit operation and are stored in the controller. Standard settings are made

through the OITS. The Password (PW) column indicates the password that must be active in order to change the setpoint. The

letters in the Password column refer to the following:

O = Operator (the password number for operator level is 100)

M = Manager (the password number for manager level is 2001)

T = Technician (the password number for technician level is only provided to McQuay International technicians)

Table 24: Controller Setpoints

Description Default Range PW

Unit

Unit Enable OFF OFF, ON O

Control Source SWITCHES Switches, Local (Touch Screen), BAS Network O

Display Units °F/psi °F/psi, °C/kPa O

Language ENGLISH ENGLISH, (TBD) O

BAS Protocol Modbus NONE, BACnet, LonWorks, Modbus M

Motor Amps

Demand Limit OFF OFF, ON M

Minimum Amps 3% 1 to 80% M

Maximum Amps 100% 10 to 100% M

Soft Load OFF OFF, ON M

Begin Amp Limit 20% 10 to 100% M

Soft Load Ramp 5 min 1 to 60 min M

Maximum Rate 1.0 °F/min 0.1 to 5.0 °F/min M

Minimum Rate 0.4 °F/min 0.1 to 5.0 °F/min M

Staging

Mode Pump Normal, Efciency, Pump, Standby M

Sequence # 1 1,2, … (# of Compressors) M

Maximum Compressors ON 2 1-16 M

Stage Delta T 1.0 °F 0 to 9.9 °F M

Nominal Capacity 100 Tons 0 to 2000 Tons T

NOTE: Table 24 continues onto the following pages.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 67 68

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Daikin WMC Instruction Manual Page 55

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