Trane GEV Heat Pump User Manual


 
WSHP-SVX01D-EN 57
Controls Using 24 VAC
There are two factory thermostat op-
tions for the dual circuited (6 through
25 ton) equipment. Low voltage con-
nection diagrams for deluxe 24 volt
control packages for these thermo-
stats mounted on 6 through 25 ton
equipment sizes are shown in Figure
11.
For controls using DC analog input/
outputs, see appropriate installation,
operation and diagnostic manuals for
connection. WSHP-IOP-2 (ZN510) and
WSHP-PRB002-EN (ZN524).
Deluxe Board Diagnostics
Three light emitting diodes (LEDs) are
provided for indicating the operating
mode of the Deluxe Controller. The
LEDs are intended to aid in trouble-
shooting and for unit maintenance.
The LEDs are labeled on the circuit
board with numbers as referenced in
Table 6.
Table 6: Deluxe controller diagnostic LEDs
Color: Green Color: Red Controller
Mode
LED1 LED2 LED3
OFF OFF OFF Control OFF
ON OFF OFF Normal/Compressor OFF
ON OFF FLASH Anti-short cycle
ON OFF ON Normal/Compressor ON
FLASH ON OFF Brownout Condition
ON FLASH ON Soft Lockout (low pressure)
ON FLASH FLASH Soft Lockout (high pressure)
ON ON ON Manual Lockout (low pressure)
ON ON FLASH Manual Lockout (high pressure)
ON FLASH OFF Manual Lockout (condensate over-
flow)
ON ON OFF Compressor Disable
Installation
Low Voltage Wiring
Figure 11: Low voltage connection (6 to 25 ton)