Form 150.68-O1.EN.
CE (0311)
Table of Contents
General ... ... ... ... ... ... ... ... ... ... ... ... ... ... 1 Entry Keys ... ... ... ... ... ... ... ... ... ... ... ... .. 25
Control Panel 1 UP ARROW and DOWN ARROW Keys 25
AMB (IPU II and I/O Boards) 1 ENTER/ADV Key 25
Internal Clock & Memory Backup Battery 1 Setpoints Keys ... ... ... ... ... ... ... ... ... ... ... .. 26
Keypad and Display 2
Setpoints 26
Unit ON/OFF Switch 2
SCHEDULE/ADVANCE DAY Key 27
Customer Controls 2
PROGRAM Key 28
System Inputs 2
Setpoint and Cut-out Settings 30
Remote Start/Stop 2
Flow Switch 2 Unit Keys .. ... ... ... ... ... ... ... ... ... ... ... ... .. 31
Remote Mode Selection 2 OPTIONS Key 31
Load Limiting 2 CLOCK Key 33
Fan Full Speed Inhibit (units fitted with optional
Optional Soft Start ... ... ... ... ... ... ... ... ... ... .. 33
two speed fans) 2
Voltage Free Contacts 3 Diagnostics 33
Liquid Pump Control - Units without Hydro Kit Detected fault conditions 33
Option 3 Commissioning 33
Alarms 3
Inputs / Outputs .. ... ... ... ... ... ... ... ... ... ... .. 34
System Run Status 3
Digital Inputs 34
Heat Recovery Option 3
Analogue Inputs 34
Operation.. ... ... ... ... ... ... ... ... ... ... ... ... ... 3 Digital Outputs 35
Mode Control 4
Optional Printer Installation ... ... ... ... ... ... ... .. 35
Capacity Control 4
Installation Limitations 35
Ambient Coil Fan Control 7
Parts 36
Adaptive Defrost in Heat Pump Mode 11
Assembly and Wiring 36
Anti-Recycle Timer 15
Using Other Printers 36
Anti-Coincidence Timer 15
Warranty 36
Refrigerant to Water Heat Exchanger Heater
Control 15 Obtaining a Printout 36
Compressor Crankcase Heaters 15 BAS/EMS Temperature Reset ... ... ... ... ... ... .. 36
Lead/Lag Control 15
BAS/EMS Temperature Reset Using a Voltage or
Control Panel Keys.. ... ... ... ... ... ... ... ... ... .. 16 Current Signal 36
EMS PWM Remote Setpoint Reset 38
Status Key 16
Display/Print Keys 16 ISN Control
Entry Keys 16 (York Talk -AMB terminal block TB1) ... ... ... ... .. 40
Setpoints Keys 16 Received Data (Control Data) 40
Unit Keys 16 Transmitted Data 40
Status Key ... ... ... ... ... ... ... ... ... ... ... ... .. 16 BACnet, Modbus and N2
(-AMB Board Terminal Block) ... ... ... ... ... ... .. 41
General Status Messages 16
Fault Status Messages 18 BACnet Modbus and N2 Data Communication 41
IPU II Port Settings 42
Display/Print Keys ... ... ... ... ... ... ... ... ... ... .. 20
Serial Communication Analog Value Data 43
OPER DATA Key 21 Serial Communication Binary Value Data 43
PRINT Key 23 Serial Communication Analog Input Data 44
History Key 23 Serial Communication Binary Value Data 45
Serial Communication Analog Value Data 45
Serial Communication Binary Value Data 47
EN I
