Trane R Series Installation Operation & Maintenance page 149

Helical rotary liquid chillers. 175-450 ton units (60 hz) 125-450 ton units (50 hz)
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Table 33
Diagnostic List
Diagnostic
Hex
Name and
Code
Source
6B6
Comm Loss:
Condenser Rfgt
Pressure Output
5F9
Comm Loss:
Condenser Water
Pump Starter
694
Comm Loss:
Electronic
Expansion Valve,
Actuator 1
695
Comm Loss:
Electronic
Expansion Valve,
Actuator 2
5DE
Comm Loss:
Emergency Stop
5E4
Comm Loss:
Evaporator
Entering Water
Temperature
5E3
Comm Loss:
Evaporator
Leaving Water
Temperature
688
Comm Loss:
Evaporator Rfgt
Liquid Level
5F0
Comm Loss:
Evaporator Rfgt
Pressure
5E1
Comm Loss: Ext
Ice Building
Control Input
5DD
Comm Loss:
External Auto/
Stop
6B6
Comm Loss:
External Base
Load Enable
6B6
Comm Loss:
External Base
Load Setpoint
Input
RTHD-SVX01D-EN
Diagnostics
Severity
Persistence
Info
Latch
Info
Latch
Normal
Latch
Normal
Latch
Normal
Latch
Info and
Latch
Special
Action
Normal
Latch
Normal
Latch
Normal
Latch
Normal
Latch
Normal
Latch
Info and
Latch
Special
Action
Info and
Latch
Special
Action
Criteria
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period. Chiller shall remove any Return or Constant
Return Chilled Water Reset, if it was in effect. Apply
slew rates per Chilled Water Reset spec.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period. Chiller shall revert to normal (non-ice
building) mode regardless of last state.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period. The external base load input is removed
from the arbitration to enable Base Loading.
Continual loss of communication between the MP
and the Functional ID has occurred for a 30 second
period. The external base load setpoint input is
removed from the arbitration to establish the Base
LoadingSetpoint.
Reset
Level
Remote
Remote
Remote
Remote
Remote
Remote
Remote
Remote
Remote
Remote
Remote
Remote
Remote
147

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