Carrier 30RY/RYH, 30RA/RH manual Pro-Dialogcontrol Operation, Diagnostics - Troubleshooting

5 - PRO-DIALOG CONTROL OPERATION			29
5.1	- Start/stop control		29
5.2	- Heating/cooling operation		30
	5.2.1 - General		30
	5.2.2 - Heating/cooling selection		30
5.3	- Evaporator water pump control		31
5.4	- Control interlock contact		31
5.5	- Evaporator heater control		31
5.6	- Control point		31
	5.6.1 - Active setpoint		31
	5.6.2 - Reset		33
5.7	- Demand limit		33
5.8	- Night mode		33
5.9	- Capacity control		33
5.10		- Head pressure control	33
5.11		- Defrost function	34
5.12		- Additional electric heater stage control	34
5.13		- Control of a boiler	34
5.14		- Master/slave assembly	34
5.15		- Controlling Pro-Dialog units with a System Manager	34

6 - DIAGNOSTICS - TROUBLESHOOTING		35
6.1	- General	35
6.2	- Displaying alarms	35
6.3	- Resetting alarms	35
6.4	- Alarm codes	35

GENERAL LEGEND

Each of the following drawings is replaced in the whole document by the corresponding explanation:

Start/stop button

Return key

Down arrow

Up arrow

DELTA T. Example: temperature difference between entering and leaving heat exchanger temperatures

means character is flashing

The cover graphics are solely for illustration and forms no part of any offer for sale or any sale contract. The manufacturer reserves the right to change the design at any time without notice.

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